2 years ago

Which steps could be used to solve this equation?

Mathematics

1 answer:

jeyben [28]2 years ago

8 0

D. Would be the answer

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-\frac{9x}{4}=27

IRISSAK [1]

$\bf \cfrac{-9x}{4}=27\implies \stackrel{\textit{cross multiplying}}{-9x=4(27)}\implies x=\cfrac{4(27)}{-9}\implies x=4\cdot \cfrac{27}{-9} \\\\\\ x=4\cdot -3\implies x=-12$

4 0

2 years ago

What is the solution to the system of equations below? 3x+4y-2z=-1 -x+6y+2z=7 4x-2y+3z=27

matrenka [14]

Answer:

(3x+4y-2z=-1)= x=-1/3-4/3y+2/3z

(-x+6y=2z)= x=-7+6y=2z

(4x-2y+3z=27)= x=27/4+1/2-3/4z

Step-by-step explanation:

6 0

2 years ago

Mrs. Baker found 25 shells on the beach. She brought 2/5 of the shells to her

Basile [38]

Answer:

A. 10 B. 15

Step-by-step explanation:

A. 25/1 * 2/5= 50/5

reduced it is 10

B. 25-10=15

8 0

2 years ago

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members of the band boosters are planning to sell programs at football games. the cost to print the programs is 150 plus 0.50 pe

Lina20 [59]

250 programs I beleive.

8 0

3 years ago

The radar system beeps once every second. How many times will it beep in 3 days?

Colt1911 [192]

Answer:

259200

Step-by-step explanation:

so there are 86400 in one day. multiply by 3.

7 0

3 years ago

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