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faltersainse [42]
2 years ago
6

Question 7 of 10 What is the length of BC in the right triangle below?

Mathematics
2 answers:
kramer2 years ago
8 0

Answer:

A

Step-by-step explanation:

horsena [70]2 years ago
7 0

Answer:

A

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

BC² = 9² + 12² = 81 + 144 = 225 ( take the square root of both sides )

BC = \sqrt{225} = 15 → A

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Setler79 [48]

Answer:

I'm always right B-) SHEESH

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2 years ago
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matrenka [14]
If 3 = m^x, then we know 9 = (m^x)^2 because 9 is 3 squared.

(m^x)^2 can be simplified to m^{2x}

So now we know 9m^2 = m^{2x}·m^2

Since m^{2x} and m^2 have the same base, we can express it as a single term by adding the exponents together.

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3 years ago
I will mark brainliest ,thank, and rate to to the best answer!Please help! ASAP
Over [174]

Answer:

1st, 3rd, and 6th

Step-by-step explanation:

Let's look at each statment...

1.) Correct

Explanation: 10 percent of the students at the school participate in soccer. If 140 is 10% of the number of students at the school, there is more than 140 students at this school.

2.) Incorrect

Explanation: We've already established that the # of students at the school is <u>more</u> than 140.

3.) Correct

Explanation: 10% as a decimal is 0.1 Divide 140 by 0.1 and you get 1,400. So, the total number of students is 1,400.

4.) Incorrect

Explanation: We've already established that the number of students is 1,400, not 290.

5.) Incorrect

Explanation: We've already established that the number of students is 1,400, not 150.

6.) Incorrect

Explanation: If the percent was a ratio, it would be 10:100 or 10/100. This is because a whole percent is 100% and the percent of students who play soccer is 10%.

7.) Correct

Explanation: We've already established that the ratio would be 10:100 or 10/100. Thus, this is correct.

I hope this helps! :)

3 0
2 years ago
Read 2 more answers
How do you solve the equation 2/3 ÷3/11
Ber [7]
Reduce the expressions, if possible by cancelling the common factors.
Exact form: 22/9
Decimal form: 2.4
Mixed Number form: 2 2/9
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3 years ago
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On a piece of paper, use a protractor and a ruler to construct △ABC with AB=5 in. , AC=5 in. , and ​ m∠A=60° ​ . Which statement
ser-zykov [4K]

Answer: BC=5 in. is the correct answer.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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