100 points
the prime factors of a number are 2 2 2 and 5. what is the number

Answer: 0.47382

Step-by-step explanation:

The percent of 47.382 is dividing the figure by 100%

47.382/100= 0.47382

Answer:

4 units

Step-by-step explanation:

In triangle DEF, DK is the angle bisector of angle EDF.

Angle bisector theorem states that if a ray bisects an angle of a triangle, then it divides the opposite side into segments that are proportional to the other two sides.

Hence,

[tex]\dfrac{DE}{DF}=\dfrac{EK}{KF}[/tex]

Thus,

[tex]\dfrac{DE}{10}=\dfrac{2}{5}\\ \\5DE=2\cdot 10\\ \\5DE=20\\ \\DE=4[/tex]

Answer:

(2.5, -.25)

Step-by-step explanation:

I'm not positive that I know exactly what they want on this one....but since you specifically asked me to look at your other question, I tried.

See pic.

Answer:

C I think

Step-by-step explanation:

yeyeye

Answer:

[tex]x_{1}[/tex] = 1, [tex]x_{2}[/tex] = 4, so your answer is C

Step-by-step explanation:

Answer:

The equation of the line is:  y = x + 4

Step-by-step explanation:

When we are given two points passing through a line, we can find the equation of the line by using two - point form.

Two - point form:    [tex]$ \frac{\textbf{y - y}_\textbf{1}}{\textbf{y}_{\textbf{2}} \textbf{-} \textbf{y}_{\textbf{1}}} = \frac{{\textbf{x - x}_\textbf{1}}}{\textbf{x}_{\textbf{2}} \textbf{-} \textbf{x}_{\textbf{1}} }$[/tex]

where [tex]$ (x_1, y_1) \hspace{3mm} \& \hspace{3mm} (x_2, y_2) $[/tex] are the points passing through the line.

Here, let us take two points (can be any two):

[tex]$(x _1, y_1) = (1, 5) $[/tex] and

[tex]$ (x_2, y_2) = (5, 9) $[/tex]

Therefore, we have:

[tex]$ \frac{y - 5}{9 - 5} = \frac{x - 1}{5 - 1} $[/tex]

[tex]$ \iff \frac{y - 5}{4} = \frac{x - 1}{4} $[/tex]

[tex]$ \iff y - 5 = x - 1 $[/tex]

[tex]$ \implies y = x - 1 + 5 $[/tex]

[tex]$ \implies y = \textbf{x + 4} $[/tex] which is the required answer.

We know that 1/2 as a decimal is 0.5. Any decimal/fraction between 0.5 and 1 will be correct. For Example, 0.75 is greater than 0.5 but less then 1. 0.75 as a fraction is 3/4.

Best of Luck!

Answer:

7/10

Step-by-step explanation:

4 1/2=9/2

3 4/5=19/5

--------------

9/2-19/5=45/10-38/10=7/10

Answer:

15. ∠ABE = 50°

16. ∠EBD = 10n - 19

Step-by-step explanation:

If [tex]$ \overline{\textbf{BE}} $[/tex] bisects ∠ABD then we have ∠ABE = ∠DBE

So, we will have: (6x + 2)° = (8x - 14)°

⇒ 6x + 2 = 8x - 14

⇒ 8x - 6x = 14 + 2

⇒ 2x =16

⇒ x = 8

∴ ∠ABE = 6(8) + 2

= 48 + 2

= 50°

∴∠ABE = 50°

16. If [tex]$ \overline{\textbf{BE}} $[/tex] bisects ∠ABD then ∠ABE + ∠EBD = ∠ABD

⇒(12n - 8) + ∠EBD = (22n - 11)

⇒ ∠EBD = 22n - 11 - 12n + 8

⇒ ∠EBD = 10n - 3

Hence, the answer.

Answer:

Step-by-step explanation:

-3/4 = -0.75 (its terminating)

Answer:

Step-by-step explanation:

-3/4 = -0.75. It is terminating decimal

Answer:

$3.34

Step-by-step explanation:

$1.39 x 2.4 = $3.336

Answer:

next year the cost of bread will rise to $3.34

Answer:

The values are [tex]x=\frac{7}{2}[/tex] and [tex]y=\frac{5}{2}[/tex]

The solution is ([tex]\frac{7}{2}[/tex],[tex]\frac{5}{2}[/tex])

Step-by-step explanation:

Given equations are [tex]5x=7y\hfill (1)[/tex] and

[tex]x+7y=21\hfill (2)[/tex]

To solve the given equations by elimination method:

Equation (1) can be written as  [tex]5x-7y=0\hfill (3)[/tex] and

Now multiply the equation (2) into 5 we get

[tex]5x+35y=105\hfill (4)[/tex]

Subtracting equations (3) and (4) we get

[tex]5x-7y=0[/tex]

[tex]5x+35y=105[/tex]

_________________

-42y=-105

[tex]y=\frac{105}{42}[/tex]

Therefore [tex]y=\frac{5}{2}[/tex]

Substitute  the value [tex]y=\frac{5}{2}[/tex] in equation (1) we get

[tex]5x=7\times \frac{5}{2}[/tex]

[tex]5x=\frac{35}{2}[/tex]

[tex]x=\frac{35}{2\times 5}[/tex]

[tex]x=\frac{7}{2}[/tex]

Therefore [tex]x=\frac{7}{2}[/tex] and [tex]y=\frac{5}{2}[/tex]

The solution is ([tex]\frac{7}{2}[/tex],[tex]\frac{5}{2}[/tex])

Answer:

g

Step-by-step explanation:

it asks u to multiply 3g and 1/3, going u one third of 3g, resulting in g

Answer:

The two numbers are 21 and 9.

Step-by-step explanation:

x+y=30

x-y=12

-------------

2x=42

x=42/2

x=21

21+y=30

y=30-21=9

Final answer:

The expression to determine how much more time Sacha spent on math than on science is y - x.

Explanation:

To determine how much more time Sacha spent on math than on science, we need to find the difference between the time spent on math and science. Let's say Sacha spent x amount of time on science and y amount of time on math. The expression that represents the difference between the time spent on math and science is y - x.

Therefore, the correct expression to determine how much more time Sacha spent on math than on science is y - x.

Step-by-step explanation:

Given points are (-6,3) and (4,-3)

[tex]x_1=-6 ,[/tex]    [tex]y_1=3[/tex] ,  [tex]x_2= 4[/tex]    and  [tex]y_2 = -3[/tex]

Coordinate of mid point [tex](\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )[/tex]

                                     [tex]=(\frac{-6+4}{2} ,\frac{3+(-3)}{2})[/tex]

                                      =(1,0)

19 = 9x - 25 is the numerical expression for 19 is 25 less than the product of 9 and a number

Solution:

Given statement:

19 is 25 less than the product of 9 and a number

We have to write the numerical expression for given statement

Let the number be "x"

From given information,

19 is 25 less than the product of 9 and a number

"product" means multiplication

And "less than" means subtracted or reduced by

Therefore,

Product of 9 and a number is translated as [tex]9 \times x[/tex]

Therefore, given statement is written numerically as:

19 = 25 less than the product of 9 and a number

[tex]19 = (9 \times x) - 25[/tex]

[tex]19=9x-25[/tex]

Thus the expression is found

Answer:

Proportionality

Step-by-step explanation:

Answer: 19 /4 or 4 3/4

Step-by-step explanation:

Turn 67/8 into a improper fraction, which is 55/8

Next, also convert 21/8 into an improper fraction, which is 17/8

Next, subtract 17/8 from 55/8 and you should get 38/8

Last, simplify 38/8 to do so divide 38/8 by 4/4 and you should get 19/4 and if you want it's optional to turn it into a mixed number.  

The estimate of the difference between the two fractions is: 4 3/4 = 4.75 ≈ 5.

To find the difference of two fractions means that subtract one from the other.

Thus:

Difference between 6 7/8 and 2 1/8 = 6 7/8 - 2 1/8

Change the mixed fraction to improper fractions

55/8 - 17/8

= (55 - 170/8

= 38/8 = 19/4

= 4 3/4 = 4.75 ≈ 5.

Therefore, the estimate of the difference between the two fractions is: 4 3/4 = 4.75 ≈ 5.

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1) 21 is 12.50% of 168.

2) 4% of 150 is 6.

3) 1% of 500 is 5.

4) 62% of 50 is 31.

5) 15% of 15 is 2.25

6) 40 percent of 25 is 10.

Step-by-step explanation:

1). 21 is what percent of 168.

Let,

x be the percent.

Therefore,

x% of 168 = 21

[tex]\frac{x}{100}*168=21[/tex]

[tex]1.68x=21[/tex]

Dividing both sides by 1.68

[tex]\frac{1.68x}{1.68}=\frac{21}{1.68}\\x=12.50[/tex]

21 is 12.50% of 168.

2). What is 4 percent of 150.

4% of 150 = [tex]\frac{4}{100}*150[/tex]

4% of 150 = [tex]\frac{600}{100} = 6[/tex]

4% of 150 is 6.

3) 1 percent of 500 is what number

1% of 500 = [tex]\frac{1}{100}*500[/tex]

1% of 500 is 5.

4) what number is 62 percent of 50

62% of 50 = [tex]\frac{62}{100}*50[/tex]

62% of 50 = [tex]0.62*50=31[/tex]

62% of 50 is 31.

5) 15 percent of 15 is what

15% of 15 = [tex]\frac{15}{100}*15[/tex]

15% of 15 = [tex]\frac{225}{100}=2.25[/tex]

15% of 15 is 2.25

6) 40 percent of 25 is what number

40% of 25 = [tex]\frac{40}{100}*25[/tex]

40% of 25 = [tex]\frac{1000}{100}=10[/tex]

40 percent of 25 is 10.

Keywords: percentage

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Plot the vertices A'(-12, 9), B'(9, 3), and C'(6, -3) on the coordinate plane. Label them as A', B', and C', respectively.

To determine the coordinates of the dilated triangle A'B'C', we can follow these steps:

1. Find the coordinates of the original triangle's vertices: A(-4, 3), B(3, 3), and C(2, -1).

2. Dilate each vertex from the origin by a scale factor of 3. This means we will multiply the x and y coordinates of each vertex by 3.

- For vertex A: Multiply -4 by 3 to get -12 and multiply 3 by 3 to get 9. Therefore, the coordinates of A' are (-12, 9).
- For vertex B: Multiply 3 by 3 to get 9. The y-coordinate remains the same at 3. Therefore, the coordinates of B' are (9, 3).
- For vertex C: Multiply 2 by 3 to get 6 and multiply -1 by 3 to get -3. Therefore, the coordinates of C' are (6, -3).

3. Plot the vertices A'(-12, 9), B'(9, 3), and C'(6, -3) on the coordinate plane. Label them as A', B', and C', respectively.

Note: The original triangle ABC remains unchanged on the coordinate plane.

By following these steps, you will have successfully determined the coordinates of the dilated triangle A'B'C' and plotted it on the coordinate plane.

Answer:

2 weeks and 5 days

Step-by-step explanation:

Final answer:

Raphael ran for a total of 5 weeks, calculated by dividing the total number of days he ran (35 days) by the number of days in a week (7 days).

Explanation:

Raphael runs for 35 days in a row, and we need to calculate how many weeks he runs. A week consists of 7 days. To find out the number of weeks Raphael ran, we divided the total number of run days by the number of days in a week.

Number of weeks = Total run days / Days in a week = 35 / 7 = 5

Therefore, Raphael ran for 5 weeks, illustrating the duration of his consistent running routine in terms of weeks. This computation provides a clear understanding of the duration of Raphael's running streak in a familiar time frame, aiding in tracking and planning his exercise regimen.

Final answer:

To estimate the remaining advertisement budget, calculate the total possible maximum expense and subtract it from the initial budget, resulting in an approximate remaining amount of $14,300.

Explanation:

Mr. Kellen's starting budget for advertisements was $50,000. If I assume that each of the 7 advertisements costs about the maximum amount which is $5,100, the estimated total cost would be 7 times $5,100, which equals $35,700. So, a reasonable estimate of the amount of money remaining after paying for the advertisements is $50,000 - $35,700 = $14,300.

Answer:

Its C Hope dis helps!!!

Step-by-step explanation:

Without the actual data, we cannot definitively decide the correct exponential model for the population of the District of Columbia. The options provided all share the same initial quantity, with different growth factors. To pick one, we would need data on the annual population growth or decline.

The question is asking us to choose an exponential model of the form a ∙ bx that best represents the population of the District of Columbia for years after 2005. As we are not provided actual data on the population growth or decline, we can't definitively choose between the options. In this kind of model, a is the initial quantity (population in the year 2005), and b is the growth factor per the time period (in this case: annually). In all options provided we have the same initial quantity '550,521'. The difference is in the growth factors .993, .990, .992, and .991. Without the actual data, we cannot definitively pick one. However, if the population is declining each year, you'd expect the growth factor to be less than 1. In case if it's growing you'd expect it to be more than 1.

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Answer:

2x⁴y²

Step-by-step explanation:

The question gives us the expression;

12x⁷y³ ÷ 6x³y

We are supposed to simplify the expression;

First we could divide the digits;

12 ÷ 6 = 2

Then we divide the like terms;

x⁷ ÷ x³

This means;

[tex]=\frac{x*x*x*x*x*x*x }{x*x*x}[/tex]

[tex]= x*x*x*x[/tex]

[tex]=x^4[/tex]

y³ ÷ y

That is;

[tex]=\frac{y*y*y}{y}[/tex]

[tex]=y*y[/tex]

[tex]=y^2[/tex]

Therefore, the simplified expression will be 2x⁴y²

Answer:

A

Step-by-step explanation:

i used the process of elimination and got rid of answers that didnt make sense but based on the info given i could tell that x was 5 months because of where the point of 5 is on the graph

Answer:

It is D.

D. The average number of customers per night increased by 5 each month.

Step-by-step explanation:

The line is going up at  +5 for every month. This means 5 customers are being added every month

The complete function is: [tex]y = x+55[/tex]

Step-by-step explanation:

the given table represents a linear function

The linear function is represented by:

[tex]y = mx+b[/tex]

Here

m is the slope of function and b is the y-intercept

In this case, m will be calculated as:

[tex]m= \frac{Change\ in\ y}{Change\ in\ x}\\= \frac{61-60}{6-5}\\= 1[/tex]

Hence the slope is 1.

Putting in the equation

[tex]y = x+ b[/tex]

To find the value of b, we will put any pair of x and y in the equation

[tex]61 = 5 + b\\b = 60-5\\b = 55[/tex]

Hence,

The final equation for linear function is:

[tex]y = x + 55[/tex]

Keywords: Linear function, equation

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