2 years ago

Does 2x+15+x equal 180 or 90? Someone pls help.

Mathematics

2 answers:

tatyana61 [14]2 years ago

8 0

Answer:

Its 180!

Step-by-step explanation:

erma4kov [3.2K]2 years ago

5 0

180 is the answer to your question

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3 years ago

9+3v is greater than or equal to 6

kondaur [170]

Answer:

If you take it in terms of integers,

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3 years ago

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pav-90 [236]

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2 years ago

Round 69,814 to the nearest hundred

tamaranim1 [39]

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3 years ago

the proper angle for a ladder is about 75 degrees. from the ground. suppose you have a 9 foot ladder. how far from the house sho

icang [17]

ANSWER:

2.33 foot

STEP-BY-STEP EXPLANATION:

We can calculate the distance from the staircase to the wall, by means of the trigonometric cosine ratio, which is the following:

$\begin{gathered} \cos \theta=\frac{\text{ adjacent}}{\text{ hypotenuse}} \\ \theta=75\text{\degree} \\ \text{ hypotenuse = 9 foot} \\ \text{adjacent = x} \end{gathered}$

Replacing and solving for x:

$\begin{gathered} \cos 75=\frac{x}{9} \\ x=9\cdot\cos 75 \\ x=2.33 \end{gathered}$

The distance would be 2.33 foot

3 0

1 year ago