In a local election between candidates A and B, candidate B got 48 votes, which is 120% as many votes as candidate A. If p represents the number of votes won by candidate A, then which proportion can be used to find p? A. B. C. D.

Answer:

500- p=1100

400- p=800

300- p=500

200- p=200

Step-by-step explanation:

you multiply the 3 by the different numbers then subtract 400

hope it helps

Answer:

middle column P = 3(500) + -400  Last column 1100

P = 3(400) + (-400)                                                800

P = 3(300) + (-400)                                                 500

P = 3(200) + -(400)                                                200

Step-by-step explanation:

1)

1500 -400 = 100

2)

1200 - 400 = 800

3)

900 - 400 = 500

4)

600 - 400 = 200

If two cubes have sides of length 5 cm and 6cm. The ratio of their respective surface​ areas is 36 : 25.

Using this formula to find the ratio

Ratio of their surface area  = a /a'

Where:

a = 6

a' =5

Let plug in the formula

Ratio of their surface area  = 6a² /6a'²

Ratio of their surface area  = 6(6)² / 6(5)²

Ratio of their surface area  = 36 / 25

Ratio of their surface area  = 36 : 25

Therefore the ratio is 36 : 25.

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Using the properties of half-life we calculate that approximately 22.33 grams of radium will be present after 720 years.

The half-life of radioactive element radium = 1690 years.

Time = 720 years

the formula for calculating half life is given by:

[tex]N(t)&=N_{0}\left({\frac {1}{2}}\right)^{\frac {t}{t_{1/2}}[/tex]

Now we substitute the values to find the N(t) which is the amount of radium left after 720 years.

t = 720

half life = 1690

N₀ (initial mass) = 30gm

[tex]N(t)&=30\left({\frac {1}{2}}\right)^{\frac {720}{1690}[/tex]

N(t) = 22.329 gm

N(t) ≈ 22.33 gm

The half-life of a substance is the amount of time required for it to reach that point. The phrase is widely used in nuclear physics to describe how quickly unstable atoms decay radioactively or how long stable atoms remain.

Additionally, a broader definition of the term is used to characterize any exponential decay (or, very infrequently, nonexponential decay). For instance, a term used in the medical sciences is the biological half-life of drugs and other compounds in the human body.

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Answer:

30

Step-by-step explanation:

A number that is a multiple of 2 and 5 is a multiple of 10.

A multiple of 10 between 10 and 50 can only be 20, 30, 40.

3 is not a factor of 20 or 40, but it is a factor of 30.

Answer: 30

The cost per ounce when a 3.5 ounce bag of crackers for $1.61 is $0.46.

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

Addition, subtraction, multiplication, and division are all possible mathematical operations.

From the information, the 3.5 ounce bag of crackers is $ 1.61, the cost per ounce will be:

= Total amount / Number of ounce

= $1.61 / 3.5

= $0.46

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Complete question

A 3.5 - ounce bag of crackers cost $ 1.61. Fund the cost per ounce.

Given the frequency and number of possible outcomes, the number of days that must pass before it becomes probable that Janice will have had to pick up lunch at least once is 8.

Note that the probability of any of the staff at the office picking the food is 1/8.

Even if She does not pick up lunch on her first day or second, the number of days that must pass to make sure that Janice picks up lunch AT LEAST once is 1 in 8 days.

The formula to compute the probability of an event is equivalent to the ratio of favorable outputs to the total number of outputs. It is to be noted that probabilities always range between 0 and 1.

The expression is given as:

P (E) = f/O; where

P(E) is the Probability of an event E happening;

f =  The number of possible outcomes for an event (frequency)

n = Total number of outputs that are likely

Hence,

P(E) = 1/8

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Answer:

-5

Step-by-step explanation:

Answer:

28

Step-by-step explanation:

64 - 9(4)

64 - 36

28

Answer: 2,666 children

Step-by-step explanation:

This player makes $3.2 M per year.  10% of his salary is $320,000

($320,000) / ($120/child) = 2,666 children

The decision rule for rejecting the null hypothesis, considering the t-distribution, is of:

At the null hypothesis, it is tested if there is not enough evidence to conclude that the mean voltage for these two types of batteries is different, that is, the subtraction of the sample means is of zero, hence:

[tex]H_0: \mu_1 - \mu_2 = 0[/tex]

At the alternative hypothesis, it is tested if there is enough evidence to conclude that the mean voltage for these two types of batteries is different, that is, the subtraction of the sample means different of zero, hence:

[tex]H_1: \mu_1 - \mu_2 \neq 0[/tex]

We have a two-tailed test, as we are testing if the mean is different of a value.

Considering the significance level of 0.05, with 75 + 46 - 2 = 119 df, the critical value for the test is given as follows:

|t| = 1.9801.

Hence the decision rule is:

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They could have biked on first day at the speed of x/4 miles per hour and on the second day at the speed of (88-x)/6 miles per hour where x is the distance covered on first day.

According to the question,

We have the following information:

Jaden and Emilia biked 88 miles from Daytona Beach to Jacksonville in 2 days. They spent 4 hours biking the first day and 6 hours biking the second day. They biked at one speed the first day and a different speed the next day.

Now, let's take the distance covered on first day to be x miles.

Distance covered on second day = 88-x miles

Following formula is used to find the speed of an object:

Speed = distance/time

Speed of first day = x/4 miles per hour

Speed of the second day = (88-x)/6 miles per hour

Hence, they could have biked on first day at the speed of x/4 miles per hour and on the second day at the speed of (88-x)/6 miles per hour where x is the distance covered on first day.

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The distance from the house to the school is 0.09km

It should be noted that from the information, Just measures 50 cm from his house to school and arrives at 180 steps.

Therefore, the total distance will be:

= 50 × 180

= 9000 cm

1 kilometer = 100000 cm

Therefore, 9000 cm will be:

= 9000 / 100000

= 0.09km

The distance is 0.09km.

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32 is the next term in the arithmetic sequence of 24,16,8,0,...

To find out what is the next term of the arithmetic sequence

24, 16, 8, 0, ...

To show the explicit equation:

We have an arithmetic sequence because the difference between the terms is constant:

0 → 8: Δ → 8

8 → 16: Δ → 8

16 → 24: Δ → 8

From this the next term is simply:

24 + 8 = 32

And this sequence can be explicitly written as:

[tex]a_{n} = a_{1}(n-1)d[/tex]

Where:

[tex]a_{n}[/tex] = nth term

[tex]a_{1}[/tex] = first term

d = distance between the terms

n = any index number

Therefore we have:

[tex]a_{n} = 1.(n-1)8 = 8.(n-1)\\\\a_{n} = 8. (n-1)[/tex]

Hence the answer is 32 is the next term in the arithmetic sequence of 24,16,8,0,...

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Answer:

  ∠2 = ∠4 = ∠6 = ∠8 = 114°

  ∠1 = ∠3 = ∠5 = ∠7 = 66°

Step-by-step explanation:

You want to know the measures of all of the angles where transversal t crosses parallel lines m and n. ∠4 is given as 114°.

Where a transversal crosses parallel lines, all of the acute angles are congruent, and all of the obtuse angles are congruent. The obtuse and acute angles form linear pairs, so are supplementary.

In the given figure, the acute angles are numbered using odd numbers, and the obtuse angles are numbered using even numbers.

∠2 = ∠4 = ∠6 = ∠8 = 114°

∠1 = ∠3 = ∠5 = ∠7 = 180° -114° = 66°

$943,000 Beep Blair receive in royalties last year.

Given,

In the question:

Rock singer and writer Beep Blair is paid 11.5% on her CD sales and music downloads.

and, She sold 1.22 million CDs and 2.1 million music downloads. The CDs were sold to music stores for $5 each, and the music downloads were $1 each.

To find the how much did Beep Blair receive in royalties last year?

Now, According to the question:

The total amount involved in the sells and downloads are:

1.22 x 5 + 2.1 x 1 = 8.2 million.

She was paid 11.5% of that, hence:

0.115 x 8.2 = 0.943 million = $943,000.

She earned $943,000 from CD sales.

Hence, $943,000 Beep Blair receive in royalties last year.

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The equation is 8.50x + 6y = 883.50

Number of nachos sold is 51

Number of bags of popcorn sold is 75

Given,

The cost for nachos = $8.50

The cost of a bag of popcorn = $6.00

The total amount collected = $883.50

Total number of  items sold = 126

We have to find an equation and solve to determine the number of nachos and bags of popcorn sold;

Here,

x be the number of nachos sold

y be the number of bags of popcorn sold

Then,

x + y = 126

x = 126 - y

Now,

8.50x + 6y = 883.50

Solve the equation using x as 126 -y.

That is,

8.50(126 - y) + 6y = 883.50

1071 - 8.50y + 6y = 883.50

1071 - 2.50y = 883.50

1071 - 883.50 = 2.50y

y = (1071 - 883.50) / 2.50

y = 187.50/2.50

y = 75

Now.

x = 126 - y

x = 126 - 75

x = 51.

Therefore,

The equation is 8.50x + 6y = 883.50

Number of nachos sold is 51

Number of bags of popcorn sold is 75

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The quadratic equation with a vertex at (-1, -5) that passes through (2, 13) is:

y = 2*(x + 1)^2 - 5

A quadratic equation with a leading coefficient a and a vertex (h, k) is written as:

y = a*(x - h)^2 + k

Here we know that the vertex is (-1, -5), then our parabola is something like:

y = a*(x + 1)^2 - 5

Now we also know that the quadratic equation contains the point (2, 13), then we can replace the values to get:

13 = a*(2 + 1)^2 - 5

13 = a*3^2 - 5

13 = a*9 - 5

13 + 5 = a*9

18/9 = a

2 = a

Then the quadratic equation is:

y = 2*(x + 1)^2 - 5

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Answer: 2656 bacteria after 996 minutes

Step-by-step explanation:

This has to do with exponential growth-

996/332=3, which means we must think about it in terms of doubling the bacteria numbers three times over the course of 996 minutes.

1st: 332*2=664

2nd: 664*2=1328

3rd: 1328*2=2656 bacteria after 996 minutes

Answer:3016

Step-by-step explanation:

The slope of the line in the image is a zero slope.

The slope of a line can be defined as the ratio of a line's vertical change to the line's horizontal change, which is rise/run or change in y / change in x.

An horizontal line has horizontal change but no vertical change. Therefore, no matter the horizontal change of the line, the slope of a horizontal line would always be zero. Therefore, horizontal lines have zero slope.

The line in the image is a horizontal line, therefore, the slope is neither positive nor negative, but a zero slope.

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Answer:

Factored form is the form of the equation.

The image after the first reflection is (-x, y)

The image after the second reflection is (-x, -y)

This is equivalent to a rotation of 180°.

First, we start with a reflection across the y-axis. This type of reflection only changes the sign of the x-value of our point.

So, if we start with the point (x, y), the image after the reflection is:

(-x, y)

Now we apply a reflection across the x-axis, this one changes the sign of the y-value, then the image after the reflection is:

(-x, -y)

Notice that a change in both signs is equivalent to a 2 quadrant motion, which is equivalent to a rotation of 180°.

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From the given data of traffic circle, the center of the circular monument is covering approximately 148,000 square feet then the radius of the monument is equal to 217.10 feet.

As given in the question,

Given that traffic circle is a round intersection.

It has circular monument in the center.

Area covered by circular monument is equal to 148,000 square feet.

Let us consider radius of the circular monument be 'r'

Area of circular monument  = 148,000

⇒ πr² = 148,000

⇒r² = 148,000 / π

⇒ r² = 148,000/ 3.14

⇒ r = √148,000/ 3.14

⇒ r = 217. 103... feet

⇒ r = 217.10 feet ( nearest hundredth)

Therefore, from the given data of traffic circle, the center of the circular monument is covering approximately 148,000 square feet then the radius of the monument is equal to 217.10 feet.

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The two way table to display the relative frequency by row is:

            Lasagna orders

                           veggie        meat         total      

Tomato sauce     44.871%     55.128%   100%

cream sauce        76.67%       23.33%    100%

Given:

Tomato sauce = 35 veggie + 43 meat

= 78

cream sauce = 46 veggie + 14 meat

= 60

veggie % in tomato sauce = 35 * 100/78 = 3500/75 = 44.871%

meat % in tomato sauce = 43 * 100 / 78 = 4300/78 = 55.128%

veggie % in cream sauce = 46 * 100 / 60 = 4600/60 = 76.67%

meat % in cream sauce = 14 * 100 / 60 = 1400/60 = 23.33%

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By using slope intercept form of equation of line, it can be inferred that Point C is on the line y = x - 5

What is equation of line in slope intercept form?

The most general form of equation of line in slope intercept form is given by y = mx + c

Where m is the slope of the line and c is the y intercept of the line.

Slope of a line is the tangent of the angle that the line makes with the positive direction of x axis.

If [tex]\theta[/tex] is the angle that the line makes with the positive direction of x axis, then slope (m) is given by

m = [tex]tan\theta[/tex]

The distance from the origin to the point where the line cuts the x axis is the x intercept of the line.

The distance from the origin to the point where the line cuts the y axis is the y intercept of the line.

Here, the given slope intercept form is y = x - 5

For Point A

Putting x = -3

y = -3 -5 = -8 which is not equal to 2

Point A is not on the line y = x - 5

For Point B

Putting x = 1

y = 1 -5 = -4 which is not equal to 6

Point B is not on the line y = x - 5

For Point C

Putting x = 3

y = 3 -5 = -2

Point C is on the line y = x - 5

For Point D

Putting x = -2

y = -2 -5 = -7 which is not equal to -3

Point D is not on the line y = x - 5

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Answer:

The right whale is 100 times more massive that the polar bear

Step-by-step explanation:

7 x 10^2 = 700 kg

7 x 10^4 = 70,000kg.

Check: 700 x 100 = 70,000

(the equivalent mass of 10 polar bears equals that of one whale)

:)

The equation of a line is y  = -6x + 8 if the line is perpendicular to the line t and passes through (2, -4).

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The slope of the line t:

M = 1/6

The slope of the line which is perpendicular to the line t

m = -6

The equation of the line:

y + 4 = -6(x - 2)

y = -6x + 12 - 4

y  = -6x + 8

Thus, the equation of a line is y  = -6x + 8 if the line is perpendicular to the line t and passes through (2, -4).

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Answer:

3/5= 60%

60% of 2,750= 1650 tickets sold

40% of 2,750 = 1100 tickets left

Claire is 18 years old and her mother is 40 years old.

Answer with explanation:

Let Claire's age = x years

Age of Claire's mother =(2 x +4 ) years

Sum of the ages of Claire and her mother =58 years

If we write the above statement in terms of equation , it will be

⇒ x + 2 x +4=58

⇒3 x +4=58

⇒3 x =58 -4

⇒3 x =54

Dividing both side by , 3 , we get

→x=18

Claire's age = 18 years

Age of Claire's mother =(2 x +4 )=2×18+4=36+4= 40 years

The sum of their ages is 58. The "sum of their ages" includes:

Claire's age + 2(Claire's Gage) + 4 = 58

3(Claire's age) + 4 = 58

3 x Claire's age = 58 -4 = 54

Claire's age= 54/3 = 18

Claire is 18 years old.

Since Claire's mom is 4 years older than twice clears age, her age is (18 x 2) + 4 = 40

So Claire is 18 and her mother is 40

I hope this helps!

Answer:

(-12, 10)

Step-by-step explanation:

2x + 4y = 16

-2x - 3y = -6

Add the equations to eliminate x.

y = 10

2x + 4y = 16

2x + 4(10) = 16

2x = -24

x = -12

Solution:

x = -12; y = 10

(-12, 10)

Since the triangles are congruent, their angles are the same

2x = x + 10

x = 10

Angle A = x + 10 = 10 + 10 = 20