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Alex777 [14]
2 years ago
12

Quick algebra 1 question for 10 points!

Mathematics
2 answers:
andreyandreev [35.5K]2 years ago
3 0

Answer:

\textsf{D. }x\leq-2

Step-by-step explanation:

<u>Given inequality:</u> 3(x+2)\leq5(-2-x)

Step 1: Distribute 3 and 5 through the parentheses.

\implies 3(x)+3(2)\leq5(-2)+5(-x)

\implies 3x+6\leq-10-5x

Step 2: Subtract 6 from both sides.

\implies 3x+6-6\leq-10-6-5x

\implies 3x\leq-16-5x

Step 3: Add 5x to both sides.

\implies 3x+5x\leq-16-5x+5x

\implies 8x\leq-16

Step 4: Divide both sides by 8.

\implies \dfrac{8x}{8}\leq\dfrac{-16}{8}

\implies x\leq-2

nadezda [96]2 years ago
3 0

Answer:

x ≤ -2

Step-by-step explanation:

3(x + 2) ≤ 5(-2 - x)

Distribute on both sides.

3x + 6 ≤ -10 - 5x

Add 5x to both sides.

8x + 6 ≤ -10

Subtract 6 from both sides.

8x ≤ -16

Divide both sides by 8.

x ≤ -2

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4 0
2 years ago
In Exercises 6 and 7, use the given measure to find the missing value in each data set. 6. The mean of the ages of 5 brothers is
strojnjashka [21]

Solution

Problem 6

For this case we can do this:

12, 16,__, 14, 8, 7

We can solve for x like this:

\frac{12+16+x+14+8+7}{6}=13x=13\cdot6-(12+16+14+8+7)=21

Problem 7

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7 0
1 year ago
Please help me asap i will mark branlist please explain
Ulleksa [173]
It would be b because a^2+b^2=c^2 so in this case 5^2+8^2=c^2
6 0
3 years ago
Priya has a recipe for banana bread. She uses 7 1/2 cups of flour to make 3 loaves of
Umnica [9.8K]

Answer:

2 1/2 cups of flour

Step-by-step explanation:

Priya is making 3 loaves of bread, so she will use 7 1/2 cups of flour.

Andre is making 1 loaf of bread, which is 1/3 the amount of loaves Priya is making. So, he will be using 1/3 the amount of flour Priya is using. So all we have to do is take 7 1/2 and divide it by 3:

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Andre will use 2 1/2 cups of flour.

4 0
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