What is the probability that a randomly chosen male voter is a registered Democrat? Round your answer to the nearest tenth of a percent.

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Answer:

\( \frac{176}{50m} = \frac{3.5}{1} \)

RESULT

Use ratio and proportion.

Let x be the time it takes Dionne to fold 210 packing boxes:

\( \frac{175}{50} = \frac{210}{x} \\ \\ cross \: multiply \\ \\ \\ 175x = 50(210) \\ \\ x = \frac{50(210)}{175} \\ \\ x = \frac{50(210)}{175} \\ \\ x = 60\)

So, it will take Dionne 60 minutes to fold 210 packing boxes.

Let y be the time it takes Elias to fold 210 packing boxes:

\( \frac{120}{40} = \frac{210}{x} \\ \\ cross \: multiply \\ \\ \\ 120x = 40(210) \\ \\ x = \frac{40(210)}{120} \\ \\ \\ x = 70\)

So, it will take Elias 70 minutes to fold 210 packing boxes.

The correct answer is Mr. Jackson drove 480 miles in July.

Let's break down the information given step by step to determine the number of miles Mr. Jackson drove in July:

Mr. Jackson drove 40 miles in June.

In August, he drove 6 times as many miles as he did in June. Therefore, the distance he drove in August is 6 times 40, which equals 240 miles.

In July, he drove 2 times as many miles as he did in August. Therefore, the distance he drove in July is 2 times 240, which equals 480 miles.

Therefore, Mr. Jackson drove 480 miles in July.

Mr. Jackson drove 40 miles in June.

In August, he drove 6 times as many miles as he did in June. This means the distance he drove in August is 6 * 40 = 240 miles.

In July, he drove 2 times as many miles as he did in August. Since he drove 240 miles in August, the distance he drove in July is 2 * 240 = 480 miles.

So, Mr. Jackson drove 480 miles in July.

To summarize:

June: 40 miles

August: 240 miles

July: 480 miles

Therefore, based on the given information, Mr. Jackson drove a total of 480 miles in July.

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Answer:

1,280

Step-by-step explanation:

prob(spots) = 12/180 = 1/15

so of the 1200 frogs, (1/15)(1200) should have spots, so ..

how many should not have frogs ?

or

prob(not spots) = 14/15

number who don't have spots = (14/15)(1200) = 1,280

Answer:

B and F

Step-by-step explanation:

(6-11)^2 =

6/11 x 6/11

6^2/11^2

36/121

The answers are B, E and F

It will take approximately 25 hours and 1 minute for there to be 150mg of aspirin left in the bloodstream.

We have,

To determine how long it will take for there to be 150mg of aspirin left in the bloodstream, we can use the concept of half-life.

The half-life of aspirin is given as 6 hours, which means that after every 6 hours, the amount of aspirin in the bloodstream reduces by half.

Let's calculate the number of half-lives required to reach 150mg:

Initial amount of aspirin = 625mg

Final amount of aspirin = 150mg

625mg / 150mg = 4.17

This means it will take approximately 4.17 half-lives for the amount of aspirin in the bloodstream to reduce from 625mg to 150mg.

Since each half-life is 6 hours, we can calculate the total time it will take:

Total time = Number of half-lives * Half-life duration

Total time = 4.17 x 6 hours

Total time ≈ 25 hours and 1 minute

Therefore,

It will take approximately 25 hours and 1 minute for there to be 150mg of aspirin left in the bloodstream.

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To identify the dependent variable in the testable, look out for the variable that is affected by the other. The variable that changes as a result of another variable is the dependent variable.

In a research study, there are typically two main variables that direct the scientific enquiry. They are:

The independent variable causes a change in the dependent variable, i.e. the dependent variable receives the effect, the independent variable is the cause of the change.

It is very easy to identify the dependent variable in any testable hypothesis once you are able to pick out which variable is causing a change in the other.

For example, let's say the topic of a research is: The Impact of Sunlight on Germination Rate of Seedlings.

Here, Sunlight is the independent variable affecting Germination Rate.

The dependent variable here would be: Germination Rate.

Therefore, to identify the dependent variable in the testable, look out for the variable that is affected by the other. The variable that changes as a result of another variable is the dependent variable.

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Step-by-step answer:

Step 1: Moving up 3 units.

- Before: \(f(x) = x + 1\)

- After: \(f(x) = x + 4\)

Step 2: Reflect f (x) over the y-axis.

- Before: \(f(x) = x + 4\)

- After: \(f(x) = -x + 4\)

Hope this help!

Answer:

15.87% probability that 48 or more from this sample were insured by the FHA

Step-by-step explanation:

I am going to use the normal approximation to the binomial to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

Can be approximated to a normal distribution, using the expected value and the standard deviation.

The expected value of the binomial distribution is:

\(E(X) = np\)

The standard deviation of the binomial distribution is:

\(\sqrt{V(X)} = \sqrt{np(1-p)}\)

Normal probability distribution

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \(\mu\) and standard deviation \(\sigma\), the zscore of a measure X is given by:

\(Z = \frac{X - \mu}{\sigma}\)

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

When we are approximating a binomial distribution to a normal one, we have that \(\mu = E(X)\), \(\sigma = \sqrt{V(X)}\).

In this problem, we have that:

\(p = 0.28, n = 150\)

So

\(\mu = E(X) = np = 150*0.28 = 42\)

\(\sigma = \sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{150*0.28*0.72} = 5.5\)

What is the probability that 48 or more from this sample were insured by the FHA?

Using continuity correction, this is \(P(X \geq 48 - 0.5) = P(X \geq 47.5)\), which is 1 subtracted by the pvalue of Z when X = 47.5. So

\(Z = \frac{X - \mu}{\sigma}\)

\(Z = \frac{47.5 - 42}{5.5}\)

\(Z = 1\)

\(Z = 1\) has a pvalue of 0.8413.

1 - 0.8413 = 0.1587

15.87% probability that 48 or more from this sample were insured by the FHA

Answer:

3x+20y

Step-by-step explanation:

First write down the expression.

5(x + 5y) - {2x – [3x – 3(x – 2y) + y]}

Now, the first thing you would have to do is the first parenthesis

5(x+5y)

5x+25y

So far, the expression looks like this: 5x+25y - {2x – [3x – 3(x – 2y) + y]}

No we would do the smallest parenthesis in the expression.

Which is: (x – 2y)

But since there is nothing to simplify, we move on

Next one is  [3x – 3(x – 2y) + y]

We have to do 3(x-2y) first

This is equal to: 3x-6y

So far, the expression looks like this:5x+25y - {2x – [3x – 3x-6y + y]}

The next step is still in the other parenthesis up top

Which is: [3x – 3x-6y + y]

We have to add up the x's and y's

Which is -5y

Our expression now looks like this:5x+25y - 2x-5y

Since we don't have anymore parenthesis, we look for the same letter and add or subtract them.

We have to do 5x-2x=3x

25y-5y=20y

So that means our final answer is :3x+20y

Hope this answer is correct!

If It is, can you give me brainliest, it took me almost 25 minutes to write this down.

Answer:

2

Step-by-step explanation:

7x + 3 = 8x + 1

2 = x

these are geometry problems.

Answer:

A, C, D

Step-by-step explanation:

Answer:

nothing actually Iteursitskysjtskydjtsitsitsitskgditdkgd elhsitdlhclufluclydlhcogogjdy

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Sum of the interior angles of any triangle equal 180° .

Thus ;

The angle which facing to the side 4 is 45°.

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Hint :

In a right triangle, the side facing the 45° angle is √2 / 2 times the hypothenuse .

Thus ;

\( \frac{ \sqrt{2} }{2} x = 4 \\ \)

Multiply sides by 2

\(2 \times \frac{ \sqrt{2} }{2} x = 2 \times 4 \\ \)

\( \sqrt{2} x = 8 \\ \)

Divide sides by √2

\( \frac{ \sqrt{2}x }{ \sqrt{2} } = \frac{8}{ \sqrt{2} } \\ \)

\(x = \frac{4 \times 2}{ \sqrt{2} } \\ \)

\(x = \frac{4 \times \sqrt{2} \times \sqrt{2} }{ \sqrt{2} } \\ \)

\(x = 4 \sqrt{2} \\ \)

\(x = hypothenuse = 4 \sqrt{2} \)

Done...

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Answer:

First, we need to calculate the total amount of the pension for the first offer:

$58,000 x 0.016 x 20 = $18,560 per year

Then, we can calculate the monthly pension payment:

$18,560 / 12 = $1,546.67 per month

For the second offer, we need to calculate the annual pension amount:

$64,900 x 0.013 x 20 = $16,828 per year

And then the monthly pension payment:

$16,828 / 12 = $1,402.33 per month

Finally, we can calculate the difference in monthly pension payments:

$1,546.67 - $1,402.33 = $144.34

Therefore, the difference in monthly pension payments is $144.34.

ANSWER:

Kiara's error is to say that the slope is 28 when the equation does not have that form y = mx + b

STEP-BY-STEP EXPLANATION:

The form of the equation in the slope and y-intercept form is as follows

The value that accompanies x is the value of the slope, but if and only if the equation is in this form.

Answer:

the area of the shape is 48m

Step-by-step explanation:

10*4=40

2*4=8

40+8=48

brake it up into two triangles. one is a triangle that is 10m tall and 8m wide at the top. you can solve that by doing 4*10=40. the other triangle is 4m wide at the bottom and 2m tall. you can solve that by doing 2*4=8. and 40+8=48.

Answer:

The answer is 871.285. your welcome.

Answer:cool

Step-by-step explanation:

Answer:

23

Step-by-step explanation:

let the number be 'a'

-2(a - 19)= -8

open the brackets

-2a + 38 = -8

collect like terms

38 + 8 = 2a

46 = 2a

a = 23

The surface area of the rectangular prism is 396 square inches

He will need 504 tlles

From the question, we have the following parameters that can be used in our computation:

7 in by 12 in by 6 in

The surface area of the rectangular prism is calculated as

Area = 2 * (7 * 12 + 7 * 6 + 12 * 6)

Evaluate

Area = 396

Hence, the area is 396 square inches

The number of tiles is 7 * 12 * 6 = 504

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Question

wants to tile the surface of a rectangular storage case that is 7 inches​ long, 12 inches​ wide, and 6 inches tall. If he uses all green​ tiles, how many tiles will he​ need?

Answer:

Step-by-step explanation:

Formula:

Given:

The circumference:

Hope this help!!!

Have a nice day!!!

The value of x in the lines is 126 degree

We are given that;

Three parallel line and one intersecting line

Angles= (x-6) and 60

Now,

By supplementary angles property

Angle 1 + Angle 2 = 180 degree

Substituting the values of angles

x-6 + 60 = 180

x + 54 = 180

x = 180-54

x = 126

Therefore by supplementary angles answer will be 126 degree.

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Answer:

Step-by-step explanation:

First we find out the area of circle, and then subtract the area of triangle from it to find the area of the shaded region

Area of Circle

Here, r=radius

area of circle= π×r²

                     = π × 5²     (radius=half of diameter)

                     = 25π

                     = 78.54cm²

Area of Triangle

Here, b=base, h=height

area of triangle = \(\frac{1}{2\\}\)×b×h

                          = \(\frac{1}{2}\)×8×6

                          = 24cm²

Area of shaded region= area of circle - area of triangle

                                     = 78.54 - 24

                                     = 54.54

                                     ≈ 54.5cm² [Ans]

Step-by-step explanation:

The given system of equations are ,

Solving (1) :-

=> -3x + 3y = 3

=> -3( x - y ) = 3

=> x - y = 3/-3

=> x - y = -1

=> x = y + 1

Put this value in (2)

=> -5(y+1) + y = 13

=> -5y -5 + y = 13

=> -4y = 18

=> y = 18/-4

=> y = -9/2 = -4.5

Finding x :-

=> x = -4.5 + 1

=> x = -3.5

Answer:

True

Step-by-step explanation:

The statistic is a numerical value which describes the characteristic of a particular sample data. The sample is a set of data which represents a smaller subset randomly selected from the population or a larger dataset.

The sample mean, refers to the mean or average value of a sample data, therefore, a sample mean is a numerical characteristic of the sample dataset and it is therefore a statistic. On the other hand, numerical characteristics of a population data is called the parameter.

Answer:

325 cm²

Step-by-step explanation:

find area of each side even those that are not shown. then add the areas

,,Answer:

Thus, the equation would be

y - 25 = 2(x - 10)

Option B is correct

Step-by-step explanation:

Given that the rate is constant, we would write the equation in the slope-intercept form, which is expressed as

y = mx + c

where

m represents slope, and it also represents the constant rate

c represents the y-intercept

The formula for calculating slope is expressed as

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

From the information given,

x represents the number of days

y represents height

Thus,

when x1 = 10, y1 = 25

when x2 = 20, y2 = 45

Substituting these values into the formula, we have

m = (45 - 25)/(20 - 10) = 20/10 = 2

We would find the y-intercept, c by substituting m = 2, x = 10 and y = 25 into the slope-intercept equation. We have

25 = 2 x 10 + c

25 = 20 + c

c = 25 - 20

c = 5

By substituting m = 2 and c = 5 into the slope-intercept equation, the equation models the height of the plant. y after x days is

y = 2x + 5

The options are written in point-slope form, which is expressed as

y - y1 = m(x - x1)

Thus, the equation would be

y - 25 = 2(x - 10)

Option B is correct

Answer:

b is correct just took the exam

Step-by-step explanation:

\(\\ \sf \longmapsto 4+10(x-1)=3\)

\(\\ \sf \longmapsto 4+10x-10=3\)

\(\\ \sf \longmapsto 10x-6=3\)

\(\\ \sf \longmapsto 10x=3+6\)

\(\\ \sf \longmapsto 10x=9\)

\(\\ \sf \longmapsto x=\dfrac{9}{10}\)