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Dmitrij [34]
4 years ago
5

Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the righ

t. The area of the photo will be half the area of the entire ad. What is the value of x?

Mathematics
2 answers:
Greeley [361]4 years ago
4 0

Answer:

(7  -  x)(4  -  x) \\ 28  -  7x  -  4x   +  x {}^{2}  \\ x {}^{2}   - 11x   +  28 = 0 \\ x {}^{2}   -  7x  - 4x + 28 = 0 \\ x (x - 7) - 4(x - 7 )= 0 \\ (x - 4)(x - 7) = 0 \\

the value of x is 7 or 4

N76 [4]4 years ago
3 0

Answer:

2.13

Step-by-step explanation:

 You need to write an equation that models the situation. Make sure you use the properties of equality to change the equation into a standard form.

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5 0
3 years ago
pleeeeeeeeeeeease hellllllllp meeeeeee the circle has a center of 0.its raduis is 3 cm,and the central angle A measures 100.what
Vsevolod [243]

Answer:

2.5 pi

Step-by-step explanation:

Comment

If you were trying to get the area of a whole circle, you would use

Area = pi r^2

You have to modify the formula to show that just part of the circle has an area that you are interested in.

The new formula is

Area = (theta/360) pi r^2

Givens

r = 30 cm

theta = 100

Solution

Area = (100 / 360) * pi * r^2       Substitute the givens into this formula

Area = (5 / 18) * pi * 3^2              Expand

Area = (5 / 18) * pi * 9                  Cancel 9 into 18

Area = 5/2 * pi

Area = 2.5 * pi

7 0
2 years ago
Whats an equation slop 0.5, passes through(6,4)
4vir4ik [10]

\bf (\stackrel{x_1}{6}~,~\stackrel{y_1}{4})~\hspace{10em} slope = m\implies 0.5 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-4=0.5(x-6) \\\\\\ y-4=0.5x-3\implies y=0.5x+1

5 0
3 years ago
Una compañía de telefonía móvil en expansión ha gestionado durante el trimestre que finaliza ochocientas cincuenta mil llamadas
NISA [10]

Answer:

2,050,000\ daily\ calls

Step-by-step explanation:

<u><em>The question in English is </em></u>

An expanding mobile phone company handled eight hundred and fifty thousand calls a day during the quarter. In the next quarter it expects to reach one million and increase quarterly by the same amount over the next two years. How many daily calls do you expect to handle in two years?

Let

x ----> the number  of quarter

y ---> number of daily calls

we know that

we have the points

(0,850,000) and (1,1,000,000)

Find the slope m

m=(1,000,000-850,000)/(1-0)=150,000\ daily\ calls

The linear equation that represent this situation is

y=150,000x+850,000

How many daily calls do you expect to handle in two years?

In two years there are 8 quarterly

so

For x=8

substitute

y=150,000(8)+850,000=2,050,000\ daily\ calls

7 0
3 years ago
Find an ordered pair (x , y) that is a solution to the equation
Nonamiya [84]
4x+y = 3
if x = 0, y = 3

ordered pair (0,3)
3 0
3 years ago
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