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Nuetrik [128]
3 years ago
14

Choose the equation that represents the graph below: (1 point)

Mathematics
1 answer:
nata0808 [166]3 years ago
4 0
It would be A. <span>y = −2x − 4.
Hope this helps!!
</span>
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A $20 shirt was 30% off and you had a coupon for another 10% off. What is the new price?
laila [671]

Answer:

$12.60 is the new price!

Step-by-step explanation:

20 x 0.7 = 14

14 x 0.9 = 12.6

Hope this helped!

4 0
3 years ago
Read 2 more answers
Solve the system of equations. If a system has one unique solution, write the solution set. Otherwise, determine the number of s
Sauron [17]

The value of x, y and z from the system of equation are -1, -8 and 5 respectively.

Data;

  • -2x + 6y + 3z = -31
  • -3y + 7z = 59
  • 2z = 10

<h3>System of Equation</h3>

To solve this problem, we have to solve the system of equation using substitution method.

From equation (iii)

2z = 10\\z = 5

let us substitute the value of z into equation (ii)

-3y + 7z = 59\\z = 5\\-3y + 7(5) = 59\\-3y + 35 = 59\\-3y = 59 - 35\\-3y = 24\\y = -8

Let's substitute the value of x and y into equation (i)

-2x + 6y + 3z = -31\\y = -8, z = 5\\-2x + 6(-8) + 3(5) = -31\\-2x - 48 + 15 = -31\\-2x - 33 = -31\\-2x = -31 + 33\\-2x = 2\\x = -1

From the calculation above, the value of x, y and z are -1, -8 and 5 respectively.

Learn more on system of equations here;

brainly.com/question/14323743

6 0
2 years ago
Asap help plz Decrease 1). 400 by 10% 2). 380 by 10% 3). 140 by 15% 4). 35 by 20%.
Varvara68 [4.7K]
1)360 (400*.9)
2)342 (380*.9)
3)119 (140*.85)
4)28 (35*.8)
6 0
3 years ago
Divide and answer in simplest form: 1 2 ÷ 4 A) 1 8 B) 2 1 C) 4 2 D) 8 1
denis23 [38]
\dfrac{1}{2}  \div 4 =  \dfrac{1}{2}  \times \dfrac{1}{4}  = \dfrac{1}{8}


Answer: 1/8 (Answer A)
4 0
3 years ago
Read 2 more answers
Which equation has a solution of x = 9? A. 5x=45 B. 2x=20 C. 4+x=12 D. x+7=26
sergeinik [125]

Answer:

A. 5x = 45

Step-by-step explanation:

To check, substitute 9 for x in each equation.

A. 5*9 = 45

B. 2*9 ≠ 20

C. 4 + 9 ≠ 12

D. 9 +7 ≠ 26

4 0
3 years ago
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