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3 years ago

CAN YOU HELP ME PLEASE HURRY PLEASE HURRY :(

Mathematics

1 answer:

elixir [45]3 years ago

4 0

The answer is $50 per month

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Complementary Angles are angles whose sum is 90°. Determine if these two angles are Complementary Angles. Explain your reasoning

Marrrta [24]

Answer:

assuming that lines OQ and AB are perfectly parallel, they are not complimentary angles. the red angle needs to be more narrow for it to form a 90 degree angle with the blue one

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4 years ago

How many triangles exist with the given side lengths? 13, 15, 17

aksik [14]

Answer:

Step-by-step explanation:

13, 15, 27 and 13, 27, 15

you could rearrange the order but they would still be the same two triangles in different rotated positions:

15, 13, 27 is the same as 13, 27, 15, just rotated

15, 27, 13 is the same as 13, 15, 27, just rotated

27, 13, 15 is the same as 13, 15, 27, just rotated

27, 15, 13 is the same as 13, 27, 15, just rotated

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3 years ago

coldgirl [10]

Step-by-step explanation:

$\sin(x) = \frac{7}{15} \\ x = { \sin}^{ - 1} ( \frac{7}{15} ) \\ x = 27.8 \degree$

3 0

3 years ago

Read 2 more answers

Use the factoring to find the solution to the following equation

NikAS [45]

Hello from MrBillDoesMath!

Answer: Choice C, -(3 +2/3)

Discussion:

Start with

13x^2 + 56x + 75 = 4x^2 -10x - 46

Subtract 4x^2 from both sides:

(13x^2 - 4x^2) + 56x + 75 = -10x - 46

Add 10x to both sides

(13x^2 - 4x^2) + (56x + 10x) + 75 = (-10x + 10x) - 46 or

9x^2 + 66x + 75 = -46.

Add 46 to each side

9x^2 +66x + (75 + 46) = 0 =>

9x^2 + 66x + 121 = 0.

This factors as follows:

9x^2 + 66x + 121 = (3x + 11)^2 = 0 =>

3x + 11 = 0 =>

x = -11/3 = - (3 + (2/3)) which is choice C

Thank you,

MrB

6 0

3 years ago

5z+3c+7z+4c please help me on this question

Kryger [21]

Add the alike ones. Add 5z to 7z, and add 3c to 4c. You're not going to get an equation answer, so just leave it at "12z+7c"

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4 years ago