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Dmitrij [34]
3 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]3 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]3 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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Jolie is thinking of two numbers. the first number is three more than twice the second number. the sum of the two numbers is 22.
larisa86 [58]
X + y = 22
x = 2y + 3

this would be ur system of equations
6 0
3 years ago
3x+1 = y 2x+3y = 14<br> please explain the steps if you can as well
Likurg_2 [28]
3x + 1 = y
2x + 3y = 14

To solve this system of equations, we are going to use the substitution method.  Substitution the equation where the variable is isolated into the second equation.  In this system of equations, y is isolated, so we will replace y in the second equation with 3x + 1.

2x + 3y = 14
2x + 3(3x + 1) = 14
2x + 9x + 3 = 14
We will add the like terms and subtract 3 from both sides of the equation.
11x + 3 = 14
11x = 11
x = 1
In this system of equations, x is equal to 1.  Now we will go back and solve for y, plugging in 1 for x.
3(1) + 1 = y
2(1) + 3y = 14

3 + 1 = y
2 + 3y = 14

4 = y
3y = 2

4 = y
4 = y

The solution to this system of equations is (1, 4).

8 0
3 years ago
What comes next simplify 31/50,17/25,37/50,4/5,...
Ganezh [65]

43/50

31/50=0,62

17/25=0,68(0,06 more)

37/50=0,74(0,06 more)

4/5=0,8(0,06 more)

43/50=0,86(0,06 more) 

Next decimal should be  0,86

You need to find a fraction from the decimal 0,86

0,86=86/100=43/50

6 0
3 years ago
How are the volume formulas for right prisms the same?
Degger [83]

S

Shsbsbshhdhdxdgdbdbdbhs

Step-by-step explanation:

Zndjhdhdhdhdhdhh

4 0
3 years ago
What is the remainder when (3x4 + 2x3 − x2 + 2x − 19) ÷ (x + 2)?
mel-nik [20]

Answer: The remainder will be 5 only.

Explanation:

Since we have given that

f(x)=3x^4+2x^3-x^2+2x-19

and

g(x)=x+2

Now, using the division algorithm, we'll get,

f(x)=g(x)\times (3x^3-4x^2+7x-12)+5

When we compare it with  division lemma, which says that

f(x)=g(x)\times q(x)+r(x)

We get,

r(x)=5

Hence, the remainder will be 5 only.

8 0
3 years ago
Read 2 more answers
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