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3 years ago

Consider the inequality -20.2 > 0y. Which of the following must be true? Check all that apply.

Mathematics

1 answer:

Lunna [17]3 years ago

5 0

Answer:

1. You cannot divide by zero.

2. The inequality is equivalent to -20.2 > 0, which is false.

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Last year, the average math SAT score for students at one school was 475. The headmaster introduced new teaching methods hoping

Debora [2.8K]

I would argue that it does due to that if it increased, it's either from a 30% chance that nothing changed or that the teachers did it. Since 100-30=70, there's a 70 percent chance that the teaching effect did work!

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3 years ago

Read 2 more answers

5000

melisa1 [442]

Answer:

can u ;ut it in english plzz

Step-by-step explanation:

8 0

2 years ago

(52) Pleaase check ym answer

Alinara [238K]

X = measure of each of the legs
"perimeter is 8 more than 2 times one of the legs" ---> P = 2x+8
P = 28 is the given perimeter

So,
P = 2x+8
28 = 2x+8
2x+8 = 28
2x = 20
x = 10

If x = 10, then the two legs add up to x+x = 10+10 = 20
Leaving P-20 = 28-20 = 8 inches left over for the base

You have the correct answer (choice D, 8 inches) though your steps are a bit confusing at some parts. Such as the part where you wrote 2x = 10 twice. I think I know what you were trying to say.

4 0

3 years ago

How do you write out exponential growth of <br> 4=314(1.15)^x

NikAS [45]

Answer:

-10.76

Step-by-step explanation:

Let's solve your equation step-by-step.

4=314(1.5x)

Step 1: Flip the equation.

314(1.5x)=4

Step 2: Divide both sides by 314.

314(1.5x)/314

4/314

1.5x=2/157

Step 3: Solve Exponent.

1.5x=2/157

log(1.5x)=log(2/157)(Take log of both sides)

x*(log(1.5))=log(2/157)

log(2/157)

log(1.5)

x=−10.760725

Answer:

x=−10.760725

5 0

2 years ago

Angle A and B are supplementary angles. The measure of angle B is twice the measure of angle A minus 24. Find the measure of the

ivann1987 [24]

Answer:

A = 58

B = 112

Step-by-step explanation:

A + B = 180 Supplementary angles

B = 2A - 24 Given

Substitute for B in the first equation

A + 2A - 24 = 180

3A - 24 = 180 Add 24 to both sides

3A = 180 + 24 Combine the right

3A = 204 Divide both sides by 3

A = 204/3

A = 68

B = 2A - 24

B = 2*68 - 24

B = 136 - 24

B = 112

5 0

2 years ago