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kati45 [8]
2 years ago
14

Please help me with this question

Mathematics
1 answer:
ikadub [295]2 years ago
8 0

Answer:

(A.

Explanation:

In A, line AD straight into BC, thus creating two 90 degree angles. This means that they are perpendicular.

(: Hope this helps

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Eugene can beat two levels every hour how many levels can he completed 3.5 hours
svlad2 [7]

Answer:

~6.5 Levels

Step-by-step explanation:

2 levels every hour = 2:1

we take that ratio and multiply it by 3 for starters:

6 and half of our ratio

basically 6.5

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2 years ago
Please help me with this answer having a hard time
Ipatiy [6.2K]

To solve this you must use the rules of PEMDAS (Parentheses, Exponent, Multiplication, Division, Addition, Subtraction)

In this problem we have double parentheses. Which one should we solve first? The answer to that is always the inner most ones:

13[ 6² ÷ (5² - 4²) + 9]

5² - 4²

^^^Here you will have to first take the square of both values

25 - 16

9

13[ 6² ÷ (9) + 9]

Now for the exponents

13[ 6² ÷ (9) + 9]

6²

36

13[ 36 ÷ 9 + 9]

Now for the division:

13[ 36 ÷ 9 + 9]

36 ÷ 9

4

13[ 4 + 9]

Now for the addition

13[ 4 + 9]

4 + 9

13

13[13]

Now for multiplication

169

Hope this helped!

~Just a girl in love with Shawn Mendes

5 0
3 years ago
The equation tan^2x+1=sec^2xis an identity.<br><br> A.True<br> B.False
alexandr402 [8]

True, this is a Pythagorean identity.

7 0
3 years ago
If todd spent 4.5 hours studying last week, how many minutes did he spend studying?
34kurt

Answer:

It would be B.

Step-by-step explanation:

4.5 hours = 270 minutes

5 0
3 years ago
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Each week, Kathy receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each
adell [148]
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A.) Kathy starts each week with 108 phones to fix.
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