4 years ago

I really will appreciate it if someone helped me on problem 8

Mathematics

1 answer:

miskamm [114]4 years ago

8 0

ET/IS = TN/SX => 4/1.5 = 10/ a => 4 a = 15 => a =15/4 = 3.75

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Solve 3(a + 3) – 6 = 21. Write a reason for each step.

kakasveta [241]

Answer:

Step-by-step explanation:

3(a+3)-6=21

<=>3a+9-6=21

<=>3a+3=21

<=>3a=18

<=>a=6

7 0

3 years ago

Read 2 more answers

Which graph represents the solution set for –4(1 – x) ≤ –12 + 2x? A. B. C. D.

melamori03 [73]

Answer:

In the attachment

Step-by-step explanation:

$-4(1-x)\leq-12+2x\qquad\text{use distributive property}\\\\(-4)(1)+(-4)(-x)\leq-12+2x\\\\-4+4x\leq-12+2x\qquad\text{add 4 to both sides}\\\\4x\leq-8+2x\qquad\text{subtract 2x from both sides}\\\\2x\leq-8\qquad\text{divide both sides by 2}\\\\x\leq-4$