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lesantik [10]
3 years ago
14

Help me please having trouble

Mathematics
1 answer:
vichka [17]3 years ago
5 0
The equation A will give you the hight of the trapozoid
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Edwin got 95% of the questions right on a quiz. If there were 20 questions on the quiz, how many questions did he miss??
Fed [463]

Answer:

1 question

Step-by-step explanation:

If Edwin got a 95% of the questions right on a 20 question quiz, .95(20) is 19, meaning that he got 19 questions right. 20-19 is 1, which means he got 1 question wrong.

7 0
2 years ago
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If John ran a 5-kilometer marathon, how long was that in meters? A. 500 m B. 1000 m C. 5,000 m D. 50,000 m
Karolina [17]
The answer is c- 5,000
7 0
3 years ago
Read 2 more answers
X + 4 is prime x2 – 9 can be factored using the formula.
Anna71 [15]

We are given two binomials: x+4 , x^2-9.

x+4 can't be factored. Therefore,  it is a prime.

Let us work on x^2-9.

9 could be written as 3^2.

Therefore, x^2-9 = x^2 - 3^2.

Now, we can apply difference of the squares formula to factor it.

We know a^2 -b^2 = (a-b) (a+b).

Therefore,  x^2 - 3^2 can be factored as (x-3) (x+3).

So, x^2-9 is not a prime binomial because it can be factored as (x-3) (x+3).

3 0
3 years ago
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You leave an 22% tip on a $54 bill. How much did you pay?
notka56 [123]

Answer:

You will pay $65.88 in total

Step-by-step explanation:

Bill amount: $54
Tip: 22% = $54 * 0.22 = $11.88

Sum up: $54 + $11.88 = $65.88

6 0
2 years ago
You make picture frames to sell at the flea market; you spent $46 on supplies and you want to sell the frames for $8.50 each. Ho
BARSIC [14]
<h3>Answer: 6 Frames</h3>

Before we start, let us figure out what profit means?

Profit is the money you make.

Note: Income is the money you receive, and expenses are the money you spend on your business.

If you sold five frames, you would make: (8.50 x 5 = $42.50)

Note: $42.50 <u>is not</u> greater than your expenses, so you haven't make any profit yet.

If you sold six frames, you would make: (8.50 x 6 = $51.00)

Note: $51.00 <u>is</u> greater than your expenses, so you made some profit.

<h3>Additional Information</h3>

To find the money you made or your profit, simply subtract the money you received from your expenses.

$51.00 - $46.00 = $5.00

You only made <u>$5.00</u>, but to make a larger profit, you have to sell more frames.

<h3>Conclusion</h3>

I hope my explanation provided excellent aid. Oh, and you're welcome.

3 0
3 years ago
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