About 1% of the population has a particular genetic mutation. 100 people are randomly selected.Find the standard deviation for the number of people with the genetic mutation in such groups of 100. (Remeber that standard deviation should be rounded to one more decimal place than the raw data, in this case 1 decimal place is necessary.)

Answers

Answer 1

ANSWER:

1.0

STEP-BY-STEP EXPLANATION:

Given:

p = 1% = 0.01

q = 1 - p = 1 - 0.01 = 0.99

n = 100

The standard deviation is calculated using the following formula:

[tex]\begin{gathered} \sigma=\sqrt{n\cdot p\cdot q} \\ \\ \text{ We replace each value and obtain the standard deviation:} \\ \\ \sigma=\sqrt{100\cdot0.01\cdot0.99} \\ \\ \sigma=\sqrt{0.99} \\ \\ \sigma=0.99498 \\ \\ \sigma=0.995\rightarrow1\text{ decimal place}\rightarrow1.0 \end{gathered}[/tex]

Therefore, the standard deviation is equal to 1.0


Related Questions

Point D is in the interior of

Answers

The given problem can be exemplified in the following diagram:

The conditions are:

[tex]\begin{gathered} m\angle ABD=6x+5 \\ m\angle ABC=10x+7 \\ m\angle DBC=36 \end{gathered}[/tex]

We also have the following relationship:

[tex]m\angle ABD+m\angle DBC=m\angle ABC[/tex]

Substituting the values we get:

[tex]6x+5+36=10x+7[/tex]

Solving the operations:

[tex]6x+41=10x+7[/tex]

Now we solve for "x", first by subtracting 10x on both sides:

[tex]\begin{gathered} 6x-10x+41=10x-10x+7 \\ -4x+41=7 \end{gathered}[/tex]

Now we subtract 41 on both sides:

[tex]\begin{gathered} -4x+41-41=7-41 \\ -4x=-34 \end{gathered}[/tex]

Now we divide both sides by -4

[tex]x=-\frac{34}{-4}=\frac{17}{2}[/tex]

Now we replace the value of "x" in the expression for angle ABD:

[tex]\angle ABD=6x+5[/tex]

Replacing the value of "x":

[tex]\angle ABD=6(\frac{17}{2})+5[/tex]

Solving the operations:

[tex]\angle ABD=3(17)+5=56[/tex]

Therefore angle ABD is 56 degrees.

how to solve this question?​

Answers

Answer:

2+4+2= 8

Step-by-step explanation:

Evaluate each of the following. Illustrate with a point on the graph g(-2)=g(3)=g(0)=g(7)=

Answers

Solution

From the graph given we have this:

g(-2)= -3

g(3)= 4

g(0)= -3

g(7)=​ 0

0 2 4 6 8 10 12 14 16 What is the interquartile range of plot A

Answers

The given Data set can be arranged in the ascending order as,

0,2,4,6,8,10,12,14,16.

writing exponential functions (4, 112/81), (-1, 21/2)

Answers

The given points are (4, 112/81) and (-1, 21/2).

To find an exponential function from the given points, we have to use the forms.

[tex]\begin{gathered} y_1=ab^{x_1} \\ y_2=ab^{x_2} \end{gathered}[/tex]

Now, we replace each point in each equation.

[tex]\begin{gathered} \frac{112}{81}=ab^4 \\ \frac{21}{8}=ab^{-1} \end{gathered}[/tex]

We solve this system of equations.

Let's isolate a in the second equation.

[tex]\begin{gathered} \frac{21}{8}=\frac{a}{b} \\ \frac{21b}{8}=a \end{gathered}[/tex]

Then, we replace it in the first equation

[tex]\frac{112}{81}=(\frac{21b}{8})\cdot b^4[/tex]

We solve for b.

[tex]\begin{gathered} \frac{112\cdot8}{81\cdot21}=b\cdot b^4 \\ \frac{896}{1701}=b^5 \\ b=\sqrt[5]{\frac{896}{1701}}=\frac{2\sqrt[5]{4}}{3} \\ b\approx0.88 \end{gathered}[/tex]

Once we have the base of the exponential function, we look for the coefficient a.

[tex]a=\frac{21b}{8}=\frac{21}{8}(\frac{2\sqrt[5]{4}}{3})=\frac{7\sqrt[5]{4}}{4}[/tex]Therefore, the exponential function is[tex]y=\frac{7\sqrt[5]{4}}{4}\cdot(\frac{2\sqrt[5]{4}}{3})^x[/tex]

The image below shows the graph of this function.

Which equation is perpendicular to y= 1/2x + 4

Answers

The equation is given as

[tex]y=\frac{1}{2}x+4[/tex]

For finding the perpendicular line,

The product of slope is -1.

For the given equation , the slope is 1/2.

Now find the slope of perpendicular line.

[tex]\frac{1}{2}\times m=-1[/tex][tex]m=-2[/tex]

Hence the slope of perpendicular line is -2.

Now the perpendicular equation to the given line can be

y=-2x+b.

Where assume b=1.

Then the equation perpendicular to the given line is

[tex]y=-2x+1[/tex]

Don’t get part ii of this question ? I needed help with this, please help me as I am confused.

Answers

We are given the following function:

[tex]y=\frac{1-10x}{(2x-1)^5}[/tex]

We are asked to differentiate with respect to "x". To do that we need to have into account that the function is rational and therefore, we need to use the quotient rule for derivatives, which is the following:

[tex]\frac{d}{dx}(\frac{f(x)}{g(x)})=\frac{f^{\prime}(x)g(x)-f(x)g^{\prime}(x)}{g^2(x)}[/tex]

Therefore, we need to determine the derivatives of f(x) and g(x). In this case, we have:

[tex]\begin{gathered} f(x)=1-10x \\ g(x)=(2x-1)^5 \end{gathered}[/tex]

Now, we determine the derivative of f(x):

[tex]\frac{d}{dx}(f(x))=\frac{d}{dx}(1-10x)[/tex]

First, we distribute the derivative:

[tex]\frac{d}{dx}(f(x))=\frac{d}{dx}(1)-\frac{d}{dx}(10x)[/tex]

The first, derivative is the derivative of a constant and therefore is zero:

[tex]\frac{d}{dx}(f(x))=-\frac{d}{dx}(10x)[/tex]

For the second derivative we use the following rule:

[tex]\frac{d}{dx}(ax)=a[/tex]

Applying the rule we get:

[tex]\frac{d}{dx}(f(x))=-10[/tex]

Therefore:

[tex]f^{\prime}(x)=-10[/tex]

Now, we determine the derivative of g(x):

[tex]\frac{d}{dx}(g(x))=\frac{d}{dx}(2x-1)^5[/tex]

Now, we determine the derivative using the following rule:

[tex]\frac{d}{dx}(g(x))^n=n(g(x))^{n-1}(g^{\prime}(x))[/tex]

Applying the rule we get:

[tex]\frac{d}{dx}(g(x))=5(2x-1)^4(2)[/tex]

Simplifying:

[tex]\frac{d}{dx}(g(x))=10(2x-1)^4[/tex]

Therefore, we have:

[tex]g^{\prime}(x)=10(2x-1)^4[/tex]

Now, we substitute the function in the quotient rule:

[tex]\frac{d}{dx}(\frac{1-10x}{(2x-1)^5})=\frac{(-10)(2x-1)^5-(1-10x)(10)(2x-1)^4}{((2x-1)^5)^2}[/tex]

Now we simplify the denominator:

[tex]\frac{d}{dx}(\frac{1-10x}{(2x-1)^5})=\frac{(-10)(2x-1)^5-(1-10x)(10)(2x-1)^4}{(2x-1)^{10}}[/tex]

Now, we take (2x - 1)^4 as a common factor on the numerator:

[tex]\frac{d}{dx}(\frac{1-10x}{(2x-1)^5})=\frac{(2x-1)^4((-10)(2x-1)^{}-(1-10x)(10))}{(2x-1)^{10}}[/tex]

Now, we simplify the function:

[tex]\frac{d}{dx}(\frac{1-10x}{(2x-1)^5})=\frac{((-10)(2x-1)^{}-(1-10x)(10))}{(2x-1)^6}[/tex]

Now, we apply the distributive property on the numerator:

[tex]\frac{d}{dx}(\frac{1-10x}{(2x-1)^5})=\frac{-20x+10^{}-10+100x}{(2x-1)^6}[/tex]

Now, we cancel out the 10 and add like terms:

[tex]\frac{d}{dx}(\frac{1-10x}{(2x-1)^5})=\frac{80x}{(2x-1)^6}[/tex]

Since we can't simplify any further this is the final answer.

How many solutions exist for the equation cos 2θ − sin θ = 0 on the interval [0, 360°)?

Answers

We are given the following equation

[tex]\cos 2\theta-\sin \theta=0[/tex]

Let us solve the above trigonometric equation.

Using the double angle identity,

[tex]\cos 2\theta=1-2\sin ^2\theta[/tex]

So, the equation becomes

[tex]\begin{gathered} \cos 2\theta-\sin \theta=0 \\ 1-2\sin ^2\theta-\sin \theta=0 \end{gathered}[/tex]

Now, let us solve the equation by substitution

Let sinθ = u

[tex]\begin{gathered} 1-2\sin ^2\theta-\sin \theta=0 \\ 1-2u^2-u=0 \\ -2u^2-u+1=0 \end{gathered}[/tex]

Let us solve the above equation using the quadratic formula

[tex]u=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}[/tex]

The coefficients are

a = -2

b = -1

c = 1

[tex]\begin{gathered} u=\frac{-(-1)\pm\sqrt[]{(-1)^2-4(-2)(1)}}{2(-2)} \\ u=\frac{1\pm\sqrt[]{1+8}}{-4} \\ u=\frac{1\pm\sqrt[]{9}}{-4} \\ u=\frac{1\pm3}{-4} \\ u=\frac{1-3}{-4},\; \; u=\frac{1+3}{-4} \\ u=\frac{-2}{-4},\; \; u=\frac{4}{-4} \\ u=\frac{1}{2},\; \; u=-1 \end{gathered}[/tex]

So, the two possible values are u = 1/2 and u = -1

Substitute them back into sinθ = u

[tex]\begin{gathered} \sin \theta=\frac{1}{2},\; \; \sin \theta=-1 \\ \theta=\sin ^{-1}(\frac{1}{2}),\; \; \theta=\sin ^{-1}(-1) \\ \theta=\frac{\pi}{6}\; and\; \frac{5\pi}{6},\; \; \theta=\frac{3\pi}{2}\; \\ \theta=30\degree\; and\; \; 150\degree,\; \; \theta=270\degree \end{gathered}[/tex]

Therefore, the two solutions of the given equation are θ = 30°, θ = 150°, θ = 270° on the interval [0, 360°)

Answer:

I got it correct, by graphing on desmos

Step-by-step explanation:

Look at picture

If you will conduct a research about the poor study habits of Grade 7 students, how will you present your research problem using mathematical function?

Answers

Answer:

I would define what a poor study habit is, using a parameter like study time in hours or days.

Let a study time of at least 2 hours per day be good, and less than 2 hours per day be poor.

Let f(x) be the study habit of a particular grade, so we write:

Good study time as:

[tex]f(x)\ge2[/tex]

Bad study time as:

[tex]f(x)<2[/tex]

The last one can represent the study habits of Grade 7 students.

You are interested in purchasing a $144,000 home. You plan to make a 25% downpayment and obtain an 8% mortgage for 20 years for the remaining amountthrough City Savings and Loan. Complete the form below to determine the totalclosing cost.

Answers

Cost of the house = $144,000

25% down payment = 25 / 100 * $144,000 = $36,000

Amount of mortgage = $144,000 - $36,000 = $108,000.

The closing costs are detailed in the form, and two rows need to be filled in and get the total closing costs row.

The first missing row is the Loan origination fee that corresponds to 2% of the mortgage:

2% of $108,000 = 2 / 100 * $108,000 = $2,160

The last row corresponds to 3/16 of the total interest on the mortgage.

Calculate the final value of the mortgage:

[tex]\begin{gathered} FV=\$108,000\cdot(1+0.08)^{20} \\ FV=\$503,383.37 \end{gathered}[/tex]

The total interest is:

I = $503,383.37 - $108,000

I = $395,383.37

3/16 * $395,383.37 = $74,134.38

PLS HELP FOR BRAINLIEST

Answers

Answer:

the answer is

5 cupcakes and 8 muffins

5+8=13

2(5)+1.5(8)=22

find the value of n so that the expression is a perfect square trinomial and then factor the trinomial. x^2+10x+n

Answers

From the problem, we have :

[tex]x^2+10x+n[/tex]

To make it a perfect square trinomial, we will use the formula :

[tex]n=(\frac{b}{2a})^2[/tex]

and we can factor the trinomial as :

[tex](x+\frac{b}{2a})^2^{}[/tex]

a = 1 and b = 10

so n will be :

[tex](\frac{b}{2a})^2=(\frac{10}{2\times1})^2=5^2=25[/tex]

The value of n is n = 25

and the factor of the trinomial will be (x + 5)^2

Answer: the answer is (x + 5)^2

Step-by-step explanation:

If this represents the sides of a triangle, classify it by it being an acute triangle, obtuse triangle, right triangle, or not being a triangle.

Answers

1. Determine if it is a rtiangle by using the triangle inequality: the sum of any two sides of a triangle is greater than or equal to the third side.

[tex]\begin{gathered} 13+14\ge16 \\ 27\ge16 \\ \\ 14+16\ge13 \\ 30\ge13 \\ \\ 13+16\ge14 \\ 29\ge14 \end{gathered}[/tex]

It is a triangle

2. To classify a triangle knowing its sides you use the next: In a triangle ABC with longest side c

Acute:

[tex]c^2Right:[tex]c^2=a^2+b^2[/tex]

Obtuse:

[tex]c^2>a^2+b^2[/tex]

For the given triangle;

- Find the square of the longest side:

[tex]16^2=256[/tex]

-Find the sum of the squares of the other sides:

[tex]13^2+14^2=169+196=365[/tex]As the sum of the squares of the to smallest sides (365) is greater than the square of the longest side (256) it is an acute triangle.Answer: Acute triangle

Write √32 in simplest radical form4√22√42√168√2

Answers

Answer:

4√2

Explanation:

To write √32 in its simplest radical form​:

Express it as a product of two factors where one is a perfect square.

[tex]\sqrt[]{32}=\sqrt[]{16\times2}[/tex]

Next, we can separate the product of radicals as follows:

[tex]\begin{gathered} =\sqrt[]{16}\times\sqrt[]{2} \\ =4\times\sqrt[]{2} \\ =4\sqrt[]{2} \end{gathered}[/tex]

The simplest radical form is 4√2.

If △STU is similar to △XYZ, the sides of △STU must be congruent to thecorresponding sides of △XYZ.A. TrueB. False

Answers

Similar triangles are triangles that have the same interior angles and the corresponding sides are proportional, that is, for triangles STU and XYZ we have the proportion:

[tex]\frac{ST}{XY}=\frac{TU}{YZ}=\frac{SU}{XZ}[/tex]

The corresponding sides are congruent only if the proportion rate is 1, but that is not always true and it's not necessary.

Therefore the correct option is B: False

If the corresponding sides are congruent, the triangles are congruent.

Put a T for a true or a F for false .and don't worry this is just a practice :)and let me know if you can see the picture !!

Answers

1)

Working with inequalities, when you draw them in a number line or a coordinate system. The Open circle, or "blank dot" indicates that the number itself is not included in the definition, while the closed circle or "blak dot" indicates the value is included.

For example:

The inequality marked in the number line can be expressed symbolically as:

[tex]x<2[/tex]

So the first statement is True.

2)

When an inequality includes a variable (letter) this one can be writen in terms of said variable following almost the same rules as when you calculate the value of a variable in an equation.

The greatest exception is that when you divide by a negative number, the direction of the inequality changes.

So for the given inequality:

[tex]-10w>100[/tex]

To determine one possible value of w you have to divide both sides of the expression by "-10" and when you do so, the direction of the inequality gets inverted from > to <

[tex]\begin{gathered} -10w>100 \\ w<\frac{100}{-10} \\ w<-10 \end{gathered}[/tex]

So this statement is False.

3)

This statement is True, when the variable is "alone" the coefficient is 1. Since multiplying a number by one results in said number it is redundant to write it, but altough "invisible" one is the coefficient of any variable that is "alone" in any given expression.

4)

"At most" indicates that it is the maximum value possible for the determined inequality. So the inequality can be equal or less than the determined value.

For example, "The cell phone repair will cost at most $100" → You know that you will pay no more than $100 dollars for the repair, it can be less but not more.

Let "x" symbolize the repair cost, you can express this as:

[tex]x\leq100[/tex]

So this statement is True

5)

"Minimum" indicates that is the lowest value of the inequality, it is the startpoint, from the determined value onwards.

#13, can you please try to give a detailed run-through on how to identify the variables, and do the problem step by step, I have trouble learning math.

Answers

Given the general expression of a quadratic function,

[tex]f(x)=ax^2+bx_{}+c[/tex]

The given function is,

[tex]f(x)=(x-3)(x+8)[/tex]

Expanding the right-hand side of the equation

[tex](x-3)(x+8)[/tex]

Apply FOIL method:

[tex]\begin{gathered} \mleft(a+b\mright)\mleft(c+d\mright)=ac+ad+bc+bd \\ \end{gathered}[/tex]

Therefore,

[tex]\mleft(x-3\mright)\mleft(x+8\mright)=x\times x+x\times8-3\times x-3\times\: 8=x^2+8x-3x-24[/tex]

Simplify

[tex]x^2+8x-3x-24=x^2+5x-24[/tex]

Therefore, the function in standard form is

[tex]f(x)=x^2+5x-24[/tex]

Now, comparing the general quadratic function and the function given.

[tex]\begin{gathered} ax^2=x^2 \\ \frac{ax^2}{x^2}=\frac{x^2}{x^2} \\ \therefore a=1 \end{gathered}[/tex][tex]\begin{gathered} bx=5x \\ \frac{bx}{x}=\frac{5x}{x} \\ \therefore b=5 \end{gathered}[/tex][tex]c=-24[/tex]

Hence, the answers are

[tex]\begin{gathered} a=1 \\ b=5 \\ c=-24 \end{gathered}[/tex]

$3.40 for a box of 20 trash bags. Find unit cost

Answers

Answer:

$0.17

Explanation:

To find the unit cost, we need to divide the total cost by the number of units, so

$3.40 divided by 20 is

$3.40/20 = $0.17

Therefore, the unit cost is $0.17

What is the slope of the line that passes through the points (9, 5) and (21,-5)?

Answers

The equation of the line that passes through points (9, 5) and (21,-5) isy = (-5/6)x - 25/2.

How does the slope intercept form made?The slope-intercept form of an a line is a method of writing the equation of a line so that the slope as well as y-intercept are easily identifiable.The the line's slope represents its steepness, and also the y-intercept is the point at which the line intersects a y-axis.

For the given question;

The line passes through points are-

(x1, y1) =(9, 5) and

(x2, y2) = (21,-5)

Slope = m = (y2 - y1)/(x2 - x1)

m = (-5 - 5)/(21 - 9)

m = -10/12

m = -5/6

Equation of the line is found using slope intercept form.

y - y1 = m (x - x1)

y - 5 = (-5/6)(x - 9)

y = (-5/6)x - 25/2

Thus, the equation of the line that passes through points (9, 5) and (21,-5) isy = (-5/6)x - 25/2.

To know more about the slope intercept form, here

brainly.com/question/1884491

#SPJ13

In the diagram of △△ADC below, EB∥∥DC, AE=2, AB=10, and BC=45. What is the length of AD?

Answers

Answer:

11 units

Explanation:

Given that lines EB and DC are parallel, we use the proportional division theorem:

[tex]\frac{AE}{ED}=\frac{AB}{BC}[/tex]

Substitute the given values:

[tex]\begin{gathered} \frac{2}{ED}=\frac{10}{45} \\ \text{Cross multiply} \\ ED\times10=2\times45 \\ \text{Divide both sides by 10} \\ \frac{ED\times10}{10}=\frac{2\times45}{10} \\ ED=9 \end{gathered}[/tex]

Next, find the length of AD:

[tex]\begin{gathered} AD=AE+ED \\ =2+9 \\ =11\text{ units} \end{gathered}[/tex]

The length of AD is 11 units.

Alternate Method

[tex]ED=AD-2[/tex]

So, we have that:

[tex]\frac{AE}{ED}=\frac{AB}{BC}\implies\frac{AE}{AD-2}=\frac{AB}{BC}[/tex]

Substitute the given values:

[tex]\frac{2}{AD-2}=\frac{10}{45}[/tex]

Cross multiply:

[tex]undefined[/tex]

Given x = pi/3, what is the exact value of cos (pi+x)?

Answers

[tex]\begin{gathered} x=\frac{\pi}{3} \\ \\ \cos (\pi+x)=cos(\pi+\frac{\pi}{3})=\cos (\frac{4\pi}{3}) \end{gathered}[/tex]

Using the unit circle above you can identify the cosine as the x-coordinate.

Then, the cosine of (4pi/3) is -1/2

Write equation below matches the following statement?Five more than two times a number,n, is sixteen.

Answers

"Five more than two times n" indicates that you have to multiply n by 2 and add 5, the result of this operation is 16, so the expression is:

[tex]2n+5=16[/tex]

PLS ANSWER, will mark brainliest
The total cost after tax to repair Deborah’s computer is represented by 0.08(50h)+50h, where h represents the number of hours it takes to repair Deborah’s computer. What part of the expression represents the amount of tax Deborah has to pay? Explain.

Answers

Answer:

The expression of the total cost after tax, 0.08(50h) + 50h, has a tax part and a cost part.The tax part is 0.08(50h).The cost part is 50h.What is tax?Tax is the amount paid by the consumer to the government for the use of goods and services produced in/by the country.It is charged over the total cost for the particular good or service, at a pre-determined rate called the rate of tax.How to solve the question?In the question, we are informed that the total cost after tax to repair Deborah's computer is represented by 0.08 (50h) +50h, where h represents the number of hours it takes to repair Deborah's computer.We are asked what part of the expression represents the amount of tax Deborah has to pay.We know that the total cost = Tax + Fixed Cost,where tax = tax rate * fixed cost.Therefore, we write the total cost function like this:Total cost = Tax Rate(Fixed cost) + Fixed Cost.Comparing the given expression of the total cost, 0.08(50h) + 50h, with this expression, we can say that 0.08(50h) represents the tax part, where 0.08 is the tax rate and 50h is the fixed cost.Learn more about taxes atbrainly.com/question/5022774#SPJ2

Step-by-step explanation:

Could I please get help on finishing this math problem.

Answers

The triangles ABC and DEF have identical angles and one correspondent side identical. Therefore, they are congruent (AAS congruency).

The triangles UVW and XYZ have identical angles but there is no confirmation if they have identical correspondent sides. Therefore, they are not necessarily congruent.

The triangles GHI and JKL are congruent since they have three identical sides (SSS congruency).

8. Mel's mean on 10 tests for the semester was 89. She complained to the teacher that she should be given an A because she missed the cutoff of 90 by only a single point. Explain whether it is clear that she really missed an A by only a single point if each test was based on 100 points. Explain how many points she actually missed.

Answers

Answer

Check Explanation

Explanation

The mean of a group of numbers is the average of these numbers.

Mathematically, the mean is the sum of variables divided by the number of variables.

Mean = (Σx)/N

x = each variable

Σx = Sum of the variables

N = number of variables

So, when Mel's mean is 89 for 10 tests, this means

Mean = 89

N = Number of variables = 10

So, we can calculate the sum of all of Mel's scores

Mean = (Σx)/N

Cross multiply,

Σx = N [Mean]

Σx = 10 (89) = 890

For Mel to have an average score of 90 from 10 tests,

Mean = 90

N = Number of variables = 10

So, we can calculate the sum of all of Mel's scores

Mean = (Σx)/N

Cross multiply,

Σx = N [Mean]

Σx = 10 (90) = 900

So, we can see that Mel does not actually need 1 point to score an A (90), Mel needs 10 extra points gathered from the 10 tests, to get the extra average 1 point.

Hope this Helps!!!


Determine whether the given ordered pair is a solution of the system.
y = 6
2x - 5y = 24
Is (2,-4) a solution of the system?

Answers

Answer:

[tex](2, -4)[/tex] is not a solution.

Step-by-step explanation:

The ordered pair [tex](2, -4)[/tex] cannot be a solution of the system since, given the first equation of [tex]y=6[/tex], the only possible value for [tex]y[/tex] is 6. In other words, the only possible value that makes [tex]y=6[/tex] true is 6.

Therefore, to figure [tex]x[/tex], we substitute 6 for [tex]y[/tex] in the second equation and solve:

[tex]2x-5y=24[/tex]

[tex]2x-5(6)=24[/tex]

[tex]2x-30=24[/tex]

[tex]2x=54[/tex]

[tex]x=27[/tex]

The ordered pair, then, that solves the system is [tex](27,6)[/tex].

Suppose we interpret 20 ÷ 8. How many groups of 8 are in 20? Show how we think we could draw a diagram for this (optional)

Answers

To find number of groups of 8 are in 20

Divide 20 by 8 :

20 ÷ 8. = 2

Number of groups = 2

Jim borrows $300 at 7% per annum compounded quarterly for 7 years. Determine the interest due on the loan.

Answers

Answer:

[tex]I=\text{ \$187.62}[/tex]

Step-by-step explanation:

Compounded interest is represented as;

[tex]\begin{gathered} A=P(1+\frac{r}{n})^{nt} \\ \text{where,} \\ P=\text{ principal } \\ r=\text{ interest rate} \\ n=\text{ times compounded per unit time} \\ t=\text{ time in years} \end{gathered}[/tex]

Therefore, for a principal of $300 at 7% per annum compounded quarterly;

[tex]\begin{gathered} A=300\cdot(1+\frac{0.07}{4})^{4\cdot7} \\ A=487.62 \\ \text{Then, the interest due would be the subtraction of A-P} \\ I=487.62-300 \\ I=\text{ \$187.62} \end{gathered}[/tex]

Choose all of the expressions that are equivalent to 2 1/2 divided by 1 2/6A 5/2 times 6/8B 2/5 times 6/8C 1 2/6 divided by 2 1/2D 5/2 divided by 8/6

Answers

[tex]undefined[/tex]

I need to know the sum of the two terms

Answers

Answer: 194 degrees

From the given figure, we can see a transversal forming between the pairs of parallel lines.

Let us focus on the lines n, a, and e. Here, we can see a pair of parallel lines a and e, cut by a transversal n.

We are given a measurement for angle 4, which is 97. Then we are asked to find the sum of angle 2 and angle 4.

One theorem with respect to transversals that we must be familiar with is the Alternate Interior Angles Theorem which states that:

When two parallel lines are cut by a transversal, the resulting alternate interior angles are congruent.

With this, we can see from the figure that angle 2 and angle 4 are actually alternate interior angles.

Since they are alternate interior angles, and they are congruent, this would mean that angle 2 also measures 97.

[tex]m\angle4=97;m\angle2=97[/tex]

With this, we can now add the two measurements, and that would give us:

[tex]97+97=194[/tex]

The sum of angle 2 and angle 4 is 194 degrees.

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