Solve Equation: 12(x-2.3)= 15.6 Help

Answers

Answer 1

To solve for x you can first divide by 12 into both sides of the equation, like this

[tex]\begin{gathered} \frac{12\mleft(x-2.3\mright)}{12}=\frac{15.6}{12} \\ x-2.3=1.3 \end{gathered}[/tex]

Now, you can add 2.3 from both sides of the equation

[tex]\begin{gathered} x-2.3+2.3=1.3+2.3 \\ x=3.6 \end{gathered}[/tex]

Therefore, the value of x that satisfies the equation is

[tex]x=3.6[/tex]

Finally, to check that this value satisfies the given equation, just plug x = 3.6 into the equation and see that a true proposition is reached. So, you have

[tex]\begin{gathered} 12\mleft(x-2.3\mright)=15.6 \\ \text{ Replace x = 3.6} \\ 12(3.6-2.3)=15.6 \\ 12(1.3)=15.6 \\ 15.6=15.6 \\ \text{ True proposition} \end{gathered}[/tex]


Related Questions

48. Mrs. Dalton is selling pieces of cake at the school carnival. She baked 8 cakes and cut them
each into 12 pieces. If she sold 81 slices of cake, how many total cakes does she have left?
Circle the correct option.

Answers

Total  number of cakes left is 1.25 i.e. 1 and quarter.

Given,

Number of cakes = 8

Number of  pieces of each cake =12

Number of slices sold = 81

Then,

Total number of slices of cake = [tex]12*8=96[/tex]

Now,

number of remaining slices =[tex]96-81=15[/tex]

To find number of remaining cake left, divide number of remaining slices to the pieces of each cake.

Number of remaining cake = [tex]\frac{15}{12} =1.25[/tex]

Thus, total number of cakes left is 1.25 i.e. 1 and quarter.

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Use the fermi process to estimate the number of bricks needed to fill an empty bathtub assume a typical brick has the length of 4 inches a width of 2 inches and a height of 8 inches a typical bathtub has a length of 60 inches a height of 30 inches and a width of 18 inches

Answers

Solution

A brick has the dimension 4in by 2in by 8 in

The bathtub has dimension 60in by 30in by 18in

[tex]\begin{gathered} Volume\text{ of a brick = 4in x 2in x 8in = 64in}^3 \\ Volume\text{ of the bathtub = 60in x 30in x 18in = 32400in}^3 \end{gathered}[/tex]

Number of bricks needed to fill an empty bathtub =

[tex]\begin{gathered} \frac{32400in^3}{64in^3}=506.25\text{ bricks} \\ =506\text{ bricks \lparen to nearest whole number\rparen} \end{gathered}[/tex]

To

Four different stores have the same digital camera on sale. The original price and discounts offered by each store are listed below. Rank the stores from the cheapest to most expensive sale price of the camera.
Store A: price $99.99 and discount of 15%
Store B: price $95.99 and discount of 12%
Store C: price $90.99 and discount of 10%
Store D: price $89.99 and successive discounts of 5% and 5%

Answers

D<C<B<A; This is the correct ranking of the given stores in the order of cheapest to most expensive sale price of the camera as the definition of ascending order says, "Ascending order means to arrange numbers in increasing order, that is, from smallest to largest."

What is ascending order?

The arrangement of numbers or other things in increasing order from smallest to largest is known as ascending order. Ascending order is demonstrated by numbers on a number line, which are listed from left to right. Usual representations include using commas or the "less-than symbol (<)" between numbers. For instance, 1, 2, 3, 4, or 5; or 1<2 <3 <4 <5.

Here,

Store A:

Price=$99.99

Discount=15%

Discount in dollar=$14.9985

Discounted price=$84.9915

Store B:

Price=$95.99

Discount=12%

Discount in dollar=$11.5188

Discounted price=$84.4712

Store C:

Price=$90.99

Discount=10%

Discount in dollar=$9.099

Discounted price=$81.891

Store D:

Price=$89.99

Discount=5% and after that 5%

net price after discount=$81.215

The price of store D is minimum that is $81.215.

According to the definition of ascending order, "Ascending order means to arrange numbers in increasing order, that is, from smallest to largest," this ranking of the given stores in order of cheapest to most expensive sale price of the camera is correct; D<C<B<A.

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What is the total paymentrequired to pay off a promissorynote issued for $700.00 at 12%ordinary interest and a 180-dayterm?A. $760.00B. $742.00C. $712.00D. $721.60

Answers

Given:

Promissory note issued for $700 at 12%.

[tex]P\text{ayment of 12\% for 700=}\frac{700\times\frac{6}{12}\times12}{100}[/tex][tex]\text{Payment for 12\% for 700= \$}42[/tex][tex]\text{Total payment required to pay off=}700+42[/tex][tex]\text{Total payment required to pay off= \$742}[/tex]

Therefore, Option B is the correct answer.

Use the data in the following table, which shows the results of a survey of 2000 gamers concerning their favorite home video game systems, organized by age group. If a survey participant is selected at random, determine the probability of the following. Round to the nearest hundredth.The participant prefers the Nintendo Wii U system.

Answers

Answer:

0.30

Explanations:What is probability?

Probability is the likelihood or chance that an event will occur. Mathematically:

[tex]Probability=\frac{n(E)}{n(S)}[/tex]

where:

• n(E) is the ,expected outcome

,

• n(S) is the ,total outcome

Since the results shows a total survey of 2000 gamers, hence the total outcome is 2000.

Determine the total participant that prefers Nintendo Wii U system

Total participant that refers Nintendo Wii U system = 64 + 103 + 246 + 193

Total participant that refers Nintendo Wii U system n(E) = 606

Determine the required probability

[tex]\begin{gathered} Pr(participant\text{ prefers the Nintendo})=\frac{606}{2000} \\ Pr(participant\text{ prefers the Nintendo})=0.303 \\ Pr(participant\text{ prefers the Nintendo})\approx0.30 \end{gathered}[/tex]

Hence the probability the participant prefers the Nintendo Wii U system is 0.30

14. Log(x)=2meansa. x=10b. x=2^10c. x=10^2d. x=0e. none of the above

Answers

[tex]x=10^2\text{ (option C)}[/tex]Explanation:[tex]\begin{gathered} \log (x)\text{ = 2} \\ \log (x)\text{ }is\text{ }the\text{ }same\text{ }as\text{ }log_{\mleft\{10\mright\}}x \end{gathered}[/tex][tex]\begin{gathered} \log _{10}(x)\text{ = 2} \\ converting\text{ to exponential form:} \\ \text{the base 10 on the left side becomes the exponent on the other side of the equation} \\ x=10^2 \end{gathered}[/tex][tex]\begin{gathered} x\text{ = 100} \\ \text{From the options, the value of x is in exponents:} \\ x=10^2\text{ (option C)} \end{gathered}[/tex]

apple trees need to be planted in an orchard this process takes two hours per tree

Answers

the fact that we can not plant the half of tree imples that there is no line between the points of the graph. So the answer is letter B

If anyone can answer this question I will be surprised

Answers

A reflection through x-axis is the property to get a point and transform it like this:

[tex]\begin{gathered} P\rightarrow P^{\prime} \\ (x,y)\rightarrow(x,-y) \end{gathered}[/tex]

If we have point P = (3,4), its reflexion through x-axis will be:

[tex]\begin{gathered} P\rightarrow P^{\prime} \\ (x,y)\rightarrow(x,-y) \\ (3,4)\rightarrow(3,-4) \end{gathered}[/tex]

So our final answer will be:

[tex](3,-4)[/tex]

Robert moved 4 cards that are worth -10 points each. How did thier score change.

Answers

We have the following:

Since there are 4 cards and each one has a value of -10 points, we have

[tex]4\cdot-10=-40[/tex]

Which means that the score changed by -40 points

how would you write this as an expression.
The quotient of 29 and the product of a number and −5.

Answers

ANSWER

[tex]\frac{29}{-5x}[/tex]

EXPLANATION

Let 'x' be a number. The product of a number and -5 is: -5x

Then the quotient of 29 and something is: 29/something

Now, that something is the product -5x so, the quotient of 29 and the product of a number and -5 is:

[tex]\frac{29}{-5x}[/tex]

which choice is equivalent to the fraction below? hint: rationalize the denominator and simplify. 6 over the square root of 2.

Answers

Answer

(6/√2) = 3√2

Explanation

We are asked to simplify

6/√2

So, we will rationalize this by multiplying numerator and denominator by √2

[tex]\frac{6}{\sqrt[]{2}}\times\frac{\sqrt[]{2}}{\sqrt[]{2}}=\frac{6\sqrt[]{2}}{\sqrt[]{2}\times\sqrt[]{2}}=\frac{6\sqrt[]{2}}{2}=3\sqrt[]{2}[/tex]

Hope this Helps!!!

NO LINKS!! Use the method of substitution to solve the system. (If there's no solution, enter no solution). Part 9z​

Answers

Answer:

(-3, 2)(1, 0)

=====================

Given system

y² = 1 - x x + 2y = 1

Rearrange the first equation

x = 1 - y²

Substitute the value of x into second equation

1 - y² + 2y = 1y² - 2y = 0y(y - 2) = 0y = 0 and y = 2

Find the value of x

y = 0x = 1 - 0² = 1y = 2x = 1 - 2² = -3

Answer:

[tex](x,y)=\left(\; \boxed{-3,2} \; \right)\quad \textsf{(smaller $x$-value)}[/tex]

[tex](x,y)=\left(\; \boxed{1,0} \; \right)\quad \textsf{(larger $x$-value)}[/tex]

Step-by-step explanation:

Given system of equations:

[tex]\begin{cases}\;\;\;\;\;\;\;y^2=1-x\\x+2y=1\end{cases}[/tex]

To solve by the method of substitution, rearrange the second equation to make x the subject:

[tex]\implies x=1-2y[/tex]

Substitute the found expression for x into the first equation and rearrange so that the equation equals zero:

[tex]\begin{aligned}x=1-2y \implies y^2&=1-(1-2y)\\y^2&=1-1+2y\\y^2&=2y\\y^2-2y&=0\end{aligned}[/tex]

Factor the equation:

[tex]\begin{aligned}\implies y^2-2y&=0\\y(y-2)&=0\end{aligned}[/tex]

Apply the zero-product property and solve for y:

[tex]\implies y=0[/tex]

[tex]\implies y-2=0 \implies y=2[/tex]

Substitute the found values of y into the second equation and solve for x:

[tex]\begin{aligned}y=0 \implies x+2(0)&=1\\x&=1\end{aligned}[/tex]

[tex]\begin{aligned}y=2 \implies x+2(2)&=1\\x+4&=1\\x&=-3\end{aligned}[/tex]

Therefore, the solutions are:

[tex](x,y)=\left(\; \boxed{-3,2} \; \right)\quad \textsf{(smaller $x$-value)}[/tex]

[tex](x,y)=\left(\; \boxed{1,0} \; \right)\quad \textsf{(larger $x$-value)}[/tex]

Whats the other side?


Image attached


please show work

Answers

The perimeter of the rectangle is 129.2×10⁵ if the area and one side of the rectangle is given.

What is the area of the rectangle?

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

It is defined as the two-dimensional geometry in which the angle between the adjacent sides are 90 degree. It is a type of quadrilateral.

It is given that:

The area of the rectangle = 2.76×10¹² square cm

The length of the rectangle = 4.6×10⁵ cm

The other side measure = 2.76×10¹²/4.6×10⁵ = 0.6×10⁷ = 60×10⁵ cm

The perimeter of the rectangle = 2(4.6×10⁵ + 60×10⁵)

The perimeter of the rectangle = 129.2×10⁵

Thus, the perimeter of the rectangle is 129.2×10⁵ if the area and one side of the rectangle is given.

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Without graphing, identify the vertex, axis of symmetry, and transformations from the parent function f(x)= |x|y = |x-5|-1

Answers

Answer:

• Vertex: (5, –1)

,

• No symmetry

,

• Transformations: 5 units to the right, and 1 unit down.

Explanation

We are given the parent function f(x)= |x| and the transformed function:

[tex]y=|x-5|-1[/tex]

Thus, we can get the vertex considering that a function in the form:

[tex]y=|x\pm a|\pm b[/tex]

has a vertex at (+a, ±b).

Therefore, our vertex is at (5, –1). Additionally, as an absolute function has the form of a 'v', and as the vertex is at (5, –1) then it has no symmetry about the x-axis, nor y-axis, and nor about the origin, meaning it has no symmetry.

Finally, the transformation from the parent function is a shift 5 units to the right and one unit down.

Answer:

Answer:

• Vertex: (5, –1)

,

• No symmetry

,

• Transformations: 5 units to the right and 1 unit down.

Explanation

We are given the parent function f(x)= |x| and the transformed function:

Thus, we can get the vertex considering that a function in the form:

Has a vertex at (+a, ±b).

Therefore, our vertex is at (5, –1). Additionally, as an absolute function has the form of a 'v', and as the vertex is at (5, –1) then it has no symmetry about the x-axis, nor y-axis, nor about the origin, meaning it has no symmetry.

Finally, the transformation from the parent function shifts 5 units to the right and one unit down.

Step-by-step explanation:

The equation y = 5x represents a proportional relationship. What is the constant of proportionality?A. xB. 1/5C. 0D. 5

Answers

ANSWER

D. 5

EXPLANATION

We have to find the constant of proportionality in the equation:

[tex]y=5x[/tex]

The general form of a proportional relationship is:

[tex]y=kx[/tex]

where k = constant of proportionality

Therefore, comparing the given equation with the general equation, the constant of proportionality is 5.

High school band perform a concert on four different days bandsaw tickets each day as a fun raiser below the table shows the number of tickets sold in the amount collection of from sales slove with tablesHELPPP PLEASSEEEEEE

Answers

From the table given, Let's consider the third day

On the third day, 62 tickets were sold and $ 341 was collected

Then we can obtain the cost of a single ticket, which will be =

[tex]\frac{341}{62}[/tex]

= $ 5.5

So 1 ticket cost $5.5

Then we can fill in the table

PART A

PART B

The equation that can be used to find y, the amount of money collected can be obtained since we know the cost of a single ticket which is $ 5.5

[tex]\begin{gathered} y\text{ = 5.5x} \\ \text{where x is the number of tickets sold} \end{gathered}[/tex]

PART C

A dependent variable represents a quantity whose value depends on how the independent variable is manipulated.

From the equation

y = 5.5 x

y = Amount of money collected

x = Number of tickets

Since y (Amount collected) depends on x (the number of tickets sold)

y is the dependent variable

x is the independent variable

Part D

The relationship is that:

The amount of money that will be collected is dependent on the number of tickets sold.

since each ticket costs $5.5, then the amount realized is $5.5 multiplied by the number of tickets

Area of Triangles What is the area of this triangle? bh A 0 24 in? 8 in O 30 in 48 in 96 in

Answers

Given the triangle:

We're going to find its area.

To do this, we just multiply the base of the triangle by its height and then divide this result by 2:

[tex]A=\frac{6in\cdot8in}{2}=24in^2[/tex]

Therefore, the area equals 24 in2.

The list price for a case of medicine is $275.49 Your pharmacy will receive a 18% trade discount. What is the amount of the discount? b) What is the net cost of the case of medicine?

Answers

The amount of the discount is  $49.59, and the net cost after the discount is applied is $225.90.

What is the amount of the discount?

If we have a original price P and we apply a discount of X, where X is a percentage, the amount of the discount is given by the formula:

D = P*(X/100%)

In this case, the original price is $275.49 and the discount is of 18%, then the amount of the discount is:

D = $275.49*(18%/100%) = $275.49*0.18 = $49.59

b) To get the net cost we need to take the difference between the original price and the amount of the discount, we will get:

net cost =  $275.49 - $49.59 = $225.90

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Can you help me with this, I’ve already completed the assignment but trying to go back and figure out what I missed and what I did wrong

Answers

OK

the base in this case is an hexagone

we can find the area of the base with the following formula

[tex]A=\frac{3\sqrt{3}S^2}{2}[/tex]

where S represent the side of the hexagone

s=20

[tex]A=\frac{3\sqrt{3}*20^2}{2}[/tex][tex]A=600\sqrt{3}=1039.23[/tex]

Perimiter is given by 6*S

P=6*20=120

h=22

Given the following formula for the hexagone

[tex]A=\frac{p*a}{2}[/tex]

[tex]600\sqrt{3}=\frac{120*a}{2}[/tex]

solving for a

[tex]a=\frac{2*600\sqrt{3}}{120}=10\sqrt{3}=17.32[/tex]

applying pythagoras theorem

[tex]l^2=a^2+h^2[/tex][tex]l^2=(10\sqrt{3})^2+22^2[/tex][tex]l=\sqrt{784}=28[/tex]

Lateral surface

[tex]LS=\frac{p*l}{2}[/tex][tex]LS=\frac{120*28}{2}=1680[/tex]

Total surface

[tex]TS=LS+A[/tex][tex]TS=1680+600\sqrt{3}[/tex][tex]TS=2719.23048[/tex]

Volume

[tex]V=\frac{1}{3}A*h[/tex][tex]V=\frac{1}{3}600\sqrt{3}*22[/tex][tex]V=4400\sqrt{3}=7621.02[/tex]

Write the following ratio as a fraction in lowest terms. 36 to 38

Answers

Given:

Write the following ratio as a fraction in the lowest terms.

36 to 38

the ratio will be as follows:

[tex]36\text{ }to\text{ }38=\frac{36}{38}=\frac{2*18}{2*19}=\frac{18}{19}[/tex]

So, the answer will be: 18/19



AC=AB=16cm.BC=20cm. How do i find the height of the triangle?

Answers

Given that

[tex]\begin{gathered} AB=AC=16\operatorname{cm} \\ BC=20\operatorname{cm} \\ BD=\frac{BC}{2}=\frac{20\operatorname{cm}}{2}=10\operatorname{cm} \\ CD=\frac{BC}{2}=\frac{20\operatorname{cm}}{2}=10\operatorname{cm} \\ AD=h \end{gathered}[/tex]

To calculate the height of the triangle, we will use the Pythagoras theorem

With the Pythagorean theorem, we will have

[tex]\begin{gathered} \text{hypotenus}^2=\text{opposite}^2+\text{adjacent}^2 \\ \text{where,} \\ \text{HYPOTENUS}=AC=16\operatorname{cm} \\ \text{opposite}=DC=10\operatorname{cm} \\ \text{adjacent}=AD=h \end{gathered}[/tex]

By substituting the values, we will have

[tex]\begin{gathered} \text{hypotenus}^2=\text{opposite}^2+\text{adjacent}^2 \\ 16^2=10^2+h^2 \\ 256=100+h^2 \\ \text{substract 100 from both sides} \\ 256-100=100-100+h^2 \\ 156=h^2 \\ \text{square root both sides} \\ \sqrt[]{h^2}=\sqrt[]{156} \\ h=\sqrt[]{4}\times\sqrt[]{39} \\ h=2\sqrt[]{39} \\ or\text{ } \\ h=12.39\operatorname{cm}\approx to\text{ 1 d.p=} \\ h=12.5\operatorname{cm} \end{gathered}[/tex]

Therefore,

The height of the triangle is = 12.5 cm

Question 1.) d.) how to find instantaneous rate of change if x= 2pi

Answers

Explanation

We are given the following function:

[tex]f(x)=3\cos2x[/tex]

We are required to determine the instantaneous rate of change at x = 2π.

This is achieved thus:

[tex]\begin{gathered} f(x)=3\cos2x \\ \frac{\triangle f(x)}{\triangle x}=3\cdot-2\sin2x \\ \frac{\operatorname{\triangle}f(x)}{\operatorname{\triangle}x}=-6\sin2x \\ \text{ At the point }x=2\pi \\ \frac{\operatorname{\triangle}f(x)}{\operatorname{\triangle}x}=0 \end{gathered}[/tex]

Hence, the answer is:

[tex]\frac{\operatorname{\triangle}f(x)}{\operatorname{\triangle}x}=0[/tex]

Entrance Ticket on Translations Sarah graphed a triangle with vertices X (3,3) Y (4,1) Z (1,1). She asked her classmate Paul to translate the triangle (x-4) (y+2). Paul stated that the triangle will move down by 4 and right by 2 putting the triangle in the 4th quadrant. Graph the translation to see if Paul is correct? Explain your reasoning. Your explanation should include: • What is a translation? • Is Paul correct? Why or why not • Which direction should you move the triangle? • Which quadrant is the translation located?

Answers

The coordinates of the triangle XYZ are:

X(3,3)

Y(4,1)

Z(1,1)

The translation to perform is (x-4) and (y+2)

Translations are rigid transformations of a figure, this means that the triangle will move but won't change its shape or size.

A translation over the x axis results in a horizontal movement.

If you subtract a factor k x-coordinate, the movement will be to the left.

If you add the factor k x-coordinate, the movement will be to the rigth.

In this example the translation over the x-coordinate is (x-4) → 4 unit are being subtracted to the x-coordinate of each point, this results in a horizontal movement 4 units to the left

A translation over the y axis results in a vertical movement.

If you subtract a factor m from the y-coordinate, the movement will be downwards.

If you add the factor m from the y-coordinate, the movement will be upwards

In this example the translation over the y-coordinate is (y+2)→ 2 units were added to the y-coordinate, this results in a vertical movement 2 units up.

Paul moved the triangle 4 units down and 2 units right, he performed the wrong translation.

THe triangle was moved "left" and "up", the translation will be located in the second quadrant

Deon had $25 then he spent $15 on lunch. What percentage of his money did deon spend on lunch

Answers

Initial amount = $25

Amount spent on lunch = $15

The percentage of money spent on lunch

[tex]\frac{Amount\text{ spent}}{Initial\text{ amount}}\text{ x 100\%}[/tex]

[tex]\frac{15}{25}\text{ x 100 \%}[/tex]

[tex]\begin{gathered} \frac{1500}{25}^{} \\ =\text{ 60\%} \end{gathered}[/tex]

write the er exponent expression forty-one to the seventh power

Answers

Write the exponential expression, forty one to the seventh power;

[tex]41^7[/tex]

i need help with question 2

Answers

To find the vertex (h,k), we have to find h using the following formula

[tex]h=-\frac{b}{2a}[/tex]

Where a = 1 and b = -10.

[tex]h=-\frac{-10}{2\cdot1}=5[/tex]

Then, we find k by evaluating the function when x = 5.

[tex]y=5^2-10\cdot5+9=25-50+9=-16[/tex]Hence, the vertex is (5,-16).

The axis of symmetry is given by the h coordinate of the vertex.

Hence, the axis of symmetry is x = 5.

The y-intercept is found when x = 0.

[tex]y=0^2-10\cdot0+9=9[/tex]The y-intercept is (0,9).

The x-intercepts are found when y = 0.

[tex]x^2-10x+9=0[/tex]

To solve this expression, we have to look for two numbers which product is 9, and which addition is 10. Those numbers are 9 and 1.

[tex](x-9)(x-1)=0[/tex]

Then, we use the zero product property to express both solutions

[tex]\begin{gathered} x-9=0\rightarrow x=9 \\ x-1=0\rightarrow x=1 \end{gathered}[/tex]Hence, the x-intercepts are (9,0) and (1,0).

The minimum value is defined by the k coordinate of the vertex.

Therefore, the minimum value of the function is -16.

The domain of the function would be all real numbers because quadratic functions don't have any domain restrictions.

[tex]D=(-\infty,\infty)[/tex]

The range of the function is determined by the vertex, given that the parabola opens upwards, then the range is

[tex]R\colon\lbrack-16,\infty\rbrack[/tex]

Can you please help me with number 34. Determine the number of ways that each can occur

Answers

You need to determine the number of possible combinations when you choose 4 appetizers out of 11 options in the dinner menu. Assuming that you are not going to repeat appetizers, to determine this number you have to apply combinations, using the formula:

[tex]C(n,r)=\frac{n!}{r!(n-r)!}[/tex]

Where

n is the number of options available

r is the number of options you have to choose, with no repetition, and the order doesn't matter.

For this exercise:

n=11

r=4

The combination can be determined as follows:

[tex]\begin{gathered} C(11,4)=\frac{11!}{4!(11-4)!} \\ C(11,4)=\frac{11!}{4!\cdot7!} \\ C(11,4)=\frac{39916800}{24\cdot5040} \\ C(11,4)=330 \end{gathered}[/tex]

There are 330 combinations possible to choose 4 out of 11 appetizers from the menu.

Hello, I'm stuck on this.Question: Calculate the slant height of this come, identified by letter X. Give your answer to the nearest whole number.

Answers

The right triangle formed is shown below

To find the slant height, x, we would apply the pythagorean theorem which is expressed as

hypotenuse^2 = one leg^2 + other leg^2

Looking at the triangle,

hypotenuse = x

one leg = 12

other leg = 7

By applying the pythagorean theorem,

x^2 = 12^2 + 7^2 = 144 + 49 = 193

x = square root of 193

x = 13.89

Rounding to the nearest whole number,

x = 14

List each real zero of f according to the behavior of the graph at the x-axis near that zero. Zero(s) where the graph crosses the x-axis:Zero(s) where the graph touches, but does not cross the x-axis:

Answers

In the graph, there are 2 zeros, one for each type.

The zero where the graph crosses the x axis is 1. When x=1, the function intercepts the x axis and crosses it.

The zero where the graph touches but does not cross the x axis is -1. When x=-1, the function touches x axis but goes back to the quadrant.

a tank in the shape of a sphere is filled with water and has a diameter of 15ft. if water weighs 62.4 pounds per cubic foot what is the total weight of the water in a full tank to the nearest pound

Answers

Answer:

110,270 pounds.

Explanation:

Diameter of the Spherical Tank = 15 ft

• Radius = 15 ÷ 2 = 7.5 ft

For any sphere with radius, r:

[tex]\text{Volume}=\frac{4}{3}\pi r^3[/tex]

Therefore, the volume of water that will fill the tank:

[tex]\begin{gathered} V=\frac{4}{3}\times\pi\times7.5^3 \\ =1767.15\; ft^3 \end{gathered}[/tex]

If water weighs 62.4 pounds per cubic foot:

[tex]\begin{gathered} \text{Density}=\frac{\text{Weight}}{\text{Volume}} \\ 62.4=\frac{\text{Weight}}{1767.15} \\ \text{Weight}=62.4\times1767.15 \\ \text{Weight}=110,270.16\text{ pounds} \\ \text{Weight=}110,270\text{ pounds} \end{gathered}[/tex]

The total weight of the water in a full tank is 110,270 pounds. (correct to the nearest pound).

111,270 pounds ndjskssksjsbahahahaahahababahahahahahahaha
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