Jesse estimates that it will cost $300,000 to send his newborn son to a private college in 18 years. He currently has $65,000 to deposit in an account. What simple interest rate would he need so that $65,000 grows into $300,000 in 18 years? round to the nearest percent.

Answer:

6x-9

Step-by-step explanation:

you do

Answer: 6x-9

Step-by-step explanation:

We know that the word than is a switch word. Therefore, the nine will go after the minus sign. X is the variable (unknown number). Times is a multiplication word but you do not put a multiplication symbol when there is just a variable.

Hence, our answer is 6x - 9

Answer:

25

Step-by-step explanation:

To find the value of a number given that 12% of it is 150, we can set up the following equation:

0.12x = 150

Solving for x, we get:

x = 150 / 0.12 = 1250

To find 2% of that number, we simply multiply 1250 by 0.02:

2% of 1250 = 0.02 * 1250 = 25.

Therefore, 2% of the number for which 12% is 150 is 25.

Answer: The answer is A) True.

Step-by-step explanation: It is possible, although the only thing that wouldn't be possible is an equilateral triangle, since there is one side length that is different.

I hope this helps!!

The area that park will need to cover 67.95 square feet of the ramp.

The trigonometric ratios are defined for a right angled triangle.

The example of these ratios are sin, cos, tan, cosec, sec and cot.

The trigonometric ratios are useful in determining the heights and distances of the large objects.

Suppose the length of the wood be x.

The length of wood forms the right triangle as shown in the figure.

Apply trigonometric ratio to the triangle to get,

Cos (28°) = 12/x

⇒ x = 12/Cos (28°) = 13.59

Now, the area of the wood is given as,

Length × width

⇒ 13.59 × 5 = 67.95

Hence, the area of wood required is 67.95 square feet.

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The percentage of the guests ordered food is 40%

"Information available from the question"

In the question:

There were 425 guests at a hotel. 170 guests ordered food.

To find the what percentage of the guests ordered food?

Now, According to the question:

Total guests in hotel is 425

and, 170 guests ordered food

=> Divide 170 by 425

= 170/ 425 = 0.4

The percentage of the guests ordered food:

=> 0.4 x 100 = 40%

Hence, The percentage of the guests ordered food is 40%

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The slope of a line parallel to 1 2 is also 1 2. The equation for a line parallel to the line with equation y = mx + b is y = mx + b + c, where c is any constant.

The slope of a line parallel to 1 2 is the same as the slope of 1 2, which is 1 2.

The slope of a line is calculated by dividing the change in the y-values by the change in the x-values. In the case of 1 2, this is (2-1)/(2-1), which equals 1/1, or 1 2. So the slope of any line parallel to 1 2 is also 1 2. Parallel slope intercept form is a form of linear equation that describes a line parallel to a given line. It is written as y = mx + b, where m is the slope of the line and b is the y-intercept of the line. This form is useful for finding equations of lines that are parallel to a given line.

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The given equation can be solved for the value of x and y

i.e. x = (3y - 7)/4 & y = (4x + 7)/3.

What is the linear equation?

An algebraic equation of the form y=mx+b is referred to as a linear equation. m is the slope, and b is the y-intercept, and all that is involved is a constant and a first-order (linear) term. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

We have,

The equation 4x=3y-7

So, here we can solve this equation for the x as well as y equals,

Firstly we will solve for x:

4x = 3y - 7

dividing the whole equation by 4 we get,

4x/4 = (3y - 7)/4

x = (3y - 7)/4

Similarly, we will solve for y:

4x = 3y - 7

3y = 4x + 7

dividing the whole equation by 3 we get,

3y/3 = (4x + 7)/3

y = (4x + 7)/3

Hence, the given equation can be solved for the value of x and y

i.e. x = (3y - 7)/4 & y = (4x + 7)/3

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The contrapositive of the given conditional statement will  be If I did not buy a car, then I did not win the lottery.

When two statement P and Q are written in the formate of if P then Q,  it means Q must be true whenever P is true, these types of statements that follow some conditions are called conditional statement.

Given that, a conditional statement, "If I won the lottery, then I would buy a car."

Here the P part is If I won the lottery and Q part is I would buy a car.

The rule for statement being contrapositive, for two statement P and Q is,

If not-Q then not-P

Therefore, the contrapositive will be, If I did not buy a car, then I did not win the lottery.

Hence, The asked statement is If I did not buy a car, then I did not win the lottery.

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The lengths of the edges of the considered rectangular box which will give the minimum surface area are all ∛34.

How to find the surface area and volume of a closed rectangular box?

Suppose the dimensions of the rectangular box be 'a', 'b' and 'c' units respectively. Then, we get:

Surface area of the box, S = 2(ab + bc + ca) unit²

Volume of the box, V = abc unit³

For the considered box, let the dimensions be 'a', 'b' and 'c' cm.

Then, as we're provided that the volume of the box is 34 cubic cm, we get:

abc = 34

c = 34/ab

Thus, the surface area of the considered figure would be given as:

S = 2(ab + bc + ca) unit²

S = 2(ab+ c(b+a))

= 2(ab+ (34/ab) (b+a))

=( 2a²b² + 68b + 68a)/ ab cm²

There is symmetry in the equation we obtained for surface area between 'a' and 'b'.

That means, they will be of same measure to minimize or maximize the surface area. It is because if one of them is bigger than other, it is possible to prove that other one, by same tricks, can be proved bigger than first one.

Thus, we have a = b for S to be maximum or minimum.

Thus, we get:

Smax or min = (2a⁴+136a) / a²

= (2a²+ 136) / a

= f(a)

Taking first derivative of f(a), we get:

f'(a) = 4a - 136 / a²

f''(a) = 4 + 272/a³

Putting second rate = 0, we get critical points as:

f'(a) = 0

4a = 136/ a²

a³ = 34

a = ∛34 = b

Thus, the only critical value found is corresponding to minima.

Thus, S is minimum when a = b = ∛34

The value of c is:

c = 34/ab

= 34/ [tex]\sqrt[3]{34^{2} }[/tex]

= (34)¹/³

c = ∛34

Thus, the lengths of the edges of the considered rectangular box which will give the minimum surface area are all ∛34.

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Step-by-step explanation:

the construction of a right angle (2 lines at 90° interception angles).

The [tex]\sqrt{2}[/tex]  is not a rational number, it is an  irrational number

The number is [tex]\sqrt{2}[/tex]

The rational number is the number that can be written in the form of p/q where q ≠ 0

Therefore assume [tex]\sqrt{2}[/tex] is a rational number

[tex]\sqrt{2}[/tex] = p/q

Find the square of the both side

2 = p^2 / q^2

2q^2 = p^2

The value of p^2 will be the multiple of 2

p will be the multiple of 2

Consider the multiple as m

p = 2m

p^2 = 4m^2

Substitute the values in the above equation

2q^2 = 4m^2

q^2 = 2m^2

Therefore the value of the q will be the multiple of 2

The p and q is the multiple of 2, therefore they have coprime

Our assumption is wrong, [tex]\sqrt{2}[/tex] is an irrational number

Therefore, the [tex]\sqrt{2}[/tex] is not a rational number

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To find the the measures of missing angles, it's important to know the total sum in the angles and then subtract by the angles given.

Let's take for instance, a triangle has a total angle of 180°. It should be noted that a triangle has three sides and angles.

Let's say that two of the angles are 50° and 70°, therefore, the value of the third angle be be represented thus:

(50 + 70 + x) = 180

120 + x = 180

Collect like term

x = 180 - 120

x = 60°

The third angle is 60°

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Answer:

I could be wrong but I think its B

Step-by-step explanation:

Answer: 65

Step-by-step explanation: correct answer is 65 b

The standard equation of parabola that has focus (5, 0) and directrix x = -5 is y² = 20x.

Any point in a parabola has an identical distance from the fixed point, making it resemble a curve.

Given that,

The focus of the parabola is (5, 0).

And Directrix x = -5

Since the directrix is horizontal here, use the standard equation of parabola,

(y - k)² = 4 p (x  - h)

Vertex = (h, k)

= ((x coordinate of focus + directrix)/2 , 0)

= ((5 - 5)/2, 0)

= (0, 0)

p = distance from focus to the vertex = 5 - 0 = 5

The required equation of parabola,

(y - 0)² = 4 × 5(x - 0)

y² = 20x

The equation of parabola is  y² = 20x.

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Answer:

Step-by-step explanation:

1.25, The store has a meter. P is equal to 0.8 times L where P is the price and dollars, and L is the length in meters. The nylon rope cost per meter is the first equation. It comes out to be 80 cents, because our price is equivalent to 0.8 times one Meet her. 80 cents per meter is how much this is. We need to figure out how long of a rope we got. If we have that, the dollar is equal to 0.8 times out. One side that is divided by.8 is equal to the other side. 1.25 m of rope was bought for this question.

the probability that in a given year more than 5 earthquakes occur is 72.1%.

What is probability?

By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula. Because the favorable number of outcomes can never exceed the entire number of outcomes, the chance of an event occurring might range from 0 to 1.

Let X denotes the number of earthquakes during the next year in this area

X ~ Poisson(2)

The probability mass function of X is

The probability that there will be 1 to 3 (inclusive) earthquakes during the next year in this area P(1 ≤X≤3)

P = 0,721

Hence the probability that in a given year more than 5 earthquakes occur is 72.1%.

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This is a fraction, so it can also be written as a decimal by dividing the numerator by the denominator: 1/62 = 0.0161.

What is conditional probability?

Conditional probability is a measure of the probability of an event occurring given that another event has already occurred. It is written as P(A|B), where A and B are events and P(A|B) represents the probability of event A occurring given that event B has already occurred.

To find the probability that one of each color is drawn from the bag, you can use the following steps:

Calculate the total number of possible combinations of three balls that can be drawn from the bag without replacement. This is equal to the number of ways to choose 3 balls from a total of 16 balls, which is calculated using the combination formula:

Total number of combinations = 16 choose 3

= (16 * 15 * 14) / (3 * 2 * 1)

= 560

Calculate the number of combinations that include one ball of each color. There are 3 ways to choose the red ball, 3 ways to choose the black ball (since one of each color has already been chosen), and 1 way to choose the white ball (since there is only 1 white ball left). Therefore, the total number of combinations that include one ball of each color is:

Combinations with one ball of each color = 3 * 3 * 1

= 9

Calculate the probability by dividing the number of combinations with one ball of each color by the total number of combinations:

Probability = 9 combinations / 560 combinations

= 9/560

= 1/62

Therefore, the probability that one of each color is drawn from the bag is 1/62. This is a fraction, so it can also be written as a decimal by dividing the numerator by the denominator: 1/62 = 0.0161.

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Answer: p-3[tex]\leq[/tex]29

Step-by-step explanation:

Answer: A total of 30 teachers

Step-by-step explanation:

20% = 6 (science) teachers

20x5= 100

6x5=30 teachers

Hope this helps you!

Answer:

30 teachers

20% is 2/10 of 100

20 x 5 = 100

6 x 5 = 30

Therefore, 30 teachers.

The amount of butter that is used this month will be 320 kilograms.

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.

A pastry shop utilized 25% less spread for the current month than a month ago. The pastry shop utilized 240 kilograms of spread for the current month.

Let 'x' be the amount of butter used in the last month. Then the equation is given as,

(1 - 0.25) x = 240

Simplify the equation, then we have

(1 - 0.25) x = 240

0.75x = 240

x = 240 / 0.75

x = 320 kilograms

The amount of butter that is used this month will be 320 kilograms.

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The remaining root of f(x) will be 3 - [tex]\sqrt{11}[/tex]

To answer this question we have to find the conjugate of 3+[tex]\sqrt{11}[/tex],

For example, the conjugate of p+q will be p-q or vice versa.

Let us consider x= 2+[tex]\sqrt{11}[/tex]

To simplify the equation let us subtract 3 on both sides of the equation

x - 3 = 3+[tex]\sqrt{11}[/tex] - 3

x - 3 = [tex]\sqrt{11}[/tex]

Square both,

[tex](x - 3)^{2}[/tex] = 11

[tex](x - 3)^{2}[/tex] - 11 =0

Now we will use the principle of Square difference to factorize both sides-

[tex](d^{2} - e^{2}) = (d - e)(d + e)[/tex]

(x - 3) - 11 × (x - 3) + 11 = 0

on solving the equation we get,

(x - 3) - 1 = 0  let us consider this first equation

or (x - 3) + 11 = 0 let us consider this second equation

Add [tex]\sqrt{11}[/tex] on both sides of the first equation,

[tex]x - 3 = \sqrt{11}[/tex]

Subtract [tex]\sqrt{11}[/tex] on both sides of the second equation,

[tex]x - 3 = -\sqrt{11}[/tex]

Now by adding 3 on both sides of the first and second equation,

[tex]x = 3 + \sqrt{11}[/tex] or [tex]x = 3 - \sqrt{11}[/tex]

Therefore, the remaining root of f(x) will be = [tex]3 - \sqrt{11}[/tex]

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Complete Question - If a polynomial function f(x), with rational coefficients, has roots 0, 4, and 3 + [tex]\sqrt{11}[/tex], what must also be a root of f(x)?.

The measure of angle ABP is 90° and the measure of angle APB is 48°.

In the given figure, the measure of arc AB is 108° and the measure of angle ACB is (x+3)°.

Tangent and radius of a circle meet at 90°. If we draw a radius that meets the circumference at the same point, the angle between the radius and the tangent will always be exactly 90°.

Question 6:

Here, The measure of arc AB = 2×The measure of angle ACB

108 = 2(x+3)

⇒ x+3=54

⇒ x =51°

Question 7:

Given that, ∠PAB=42° and line PB is tangent to circle A

Now, ∠ABP =90° (Angle formed by tangent and radius is 90°)

Here, ∠ABP+∠PAB+∠APB=180°

⇒ 90°+42°+∠APB=180°

⇒ 132°+∠APB=180°

⇒ ∠APB=180°-132°

⇒ ∠APB=48°

Therefore, the measure of angle ABP is 90° and the measure of angle APB is 48°.

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The domain of the function y = 2 - √(-3x+2) is (-∞ , 2/3] and the range of the function is (-∞ , 2]  .

In the question ,

it is given that , the function is ⇒ y = 2- √(-3x+2) .

For Domain ,

we know that the square root function is defined only when the number inside the root is non negative .

that means ,

-3x [tex]+[/tex] 2 ≥ 0

Subtracting 2 from both the sides ,

we get ,

-3x ≥ -2

x ≤ 2/3

the Domain is (-∞ , 2/3] .

For range , we know that the root function value in always non negative .

√(-3x + 2) ≥ 0

Multiply by -1 on both sides

we get ,

-√(-3x + 2) ≤ 0

Adding 2 to both the sides

2 - √(-3x + 2) ≤ 2

y ≤ 2

the range is (-∞ , 2] .

Therefore , the domain is (-∞ , 2/3]   and the range is (-∞ , 2] .

How do we find the domain and range of the function y = 2- √(-3x+2) ?

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Different types of quadrilateral with four sides and four angle but have different properties make the quadrilateral unique.

Explanation:

Points which makes the quadrilateral unique are as follow:

Therefore, properties of the quadrilateral make them unique.

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The 90% confidence interval is given by (3.9911; 7.9911)

It is 90% confident that the true average speed of a vehicle on a highway is between 3.9911 and 7.9911 miles per hour.

1) Former concept

A confidence interval is "a range of values ​​that is likely to encompass the values ​​of a population with some degree of confidence. Often expressed as a percentage.

The error bar is the range of values ​​above and below the sample statistic in the confidence interval.

A probability distribution that is symmetric about the mean and indicates that data close to the mean are more common than data far from the mean.

X = 2, represents the sample mean of the sample

μ = population mean (variable of interest)

s = 1 represents the standard deviation of the sample

n = 11 represents the sample size

2 ) Confidence Interval:

Confidence Interval for mean is given below:

                  X ± t (α/2) s/√n

To compute the critical value, we first need to find the degrees of freedom given by

df = n -1

   = 11 -1 = 10

Confidence is 0.90 or 90%, so the value of and is α = 0.1 , and α/2 = 0.05 you can use Excel, a calculator, or a spreadsheet to find the critical values. The Excel command would be "=-T.INV(0.05,10)".

2 - 1.81 (1/√11) = 3.9911

2 + 1.81 (1/√11) = 7.9911

So in this case the 90% confidence interval is (3.9911 , 7.9911)

We are 90% confident that the true mean for the speeds of vehicles traveling on a highway is between 3.9911 and 7.9911 miles per hour.

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Rounded Answer:

0.005 or 0.0049

Answer:

The slope is 3/8

Step-by-step explanation:

The slope of the line given by the equation 3x - 8y = -16 is 3/8.

To find the slope of the line given by the equation 3x - 8y = -16, we need to rearrange the equation into slope-intercept form, y = mx + b, where m represents the slope.

Starting with the given equation:

3x - 8y = -16

We can isolate y by subtracting 3x from both sides:

-8y = -3x - 16

Next, we divide both sides of the equation by -8 to solve for y:

y = (3/8)x + 2

Now, we can observe that the equation is in slope-intercept form, y = mx + b, with m = 3/8.

This means that for every increase of 1 in the x-coordinate, the y-coordinate increases by 3/8.

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