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astra-53 [7]
2 years ago
7

Simplify 3(x+2)-9x+5 A) -6x+11 B) 12x+7 C) 12x+11 D) -6x+7

Mathematics
1 answer:
olchik [2.2K]2 years ago
8 0
3 (x + 2) - 9x + 5 simplified would be A) -6x + 11
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URGENT!!! PLEASE HELP!!! It doesn't have to be detailed!!!
harina [27]
4 and 1/4 feet is your answer my friend
3 0
3 years ago
A side of a square is 8 3/2  inches. Using the area formula A = s2, determine the area of the square.
Sedaia [141]
We are given that:
side length = 8 3/2 inches = 9.5 inches
the rule for the area is: A = s^2

Substitute with the side length in the rule given to get the area as follows:
Area = s^2 = (9.5)^2 = 90.25 inch^2
4 0
2 years ago
Marcus looked out in the audience and saw 40% of the chairs were filled. There were 42 people sitting in the chairs. Enter the t
puteri [66]

Answer:

I say it is 16.8

Step-by-step explanation:

40 x 42

100

= 16.8

4 0
2 years ago
Herman already has 1 sticker, and he will get 33 additional stickers from each sticker pack he buys.
adell [148]

Answer:

Herman needs to buy 3 sticker packs to have a total of 100 stickers.

Explanation:

33 x 3 = 99

99 + 1 = 100

4 0
3 years ago
Someone please help me with this
goldfiish [28.3K]

Answer:

<em>50° is the correct answer</em>

Step-by-step explanation:

<u>Right Triangles</u>

The right triangles are identified because they have an internal angle of 90°. The basic trigonometric ratios can be used to find angles and side lengths as needed.

We have a right triangle with the following characteristics:

The hypotenuse is 13 units long

The indicated angle is opposite to the leg of 10 units long.

When we know the length of the opposite side, we use the sine ratio. Let's call θ to the required angle:

\displaystyle \sin\theta=\frac{\text{opposite side}}{\text{hypotenuse}}

\displaystyle \sin\theta=\frac{10}{13}

Using a calculator set in mode <em>degrees</em>, the angle is:

\theta=\sin^{-1}\frac{10}{13}

\theta\approx 50.3^\circ

First choice: 52° is not correct because is not a good approximation to 50.3°

Second choice:38° is not correct because is not a good approximation to 50.3°

Third choice: 50° is a good approximation to 50.3°. Correct Answer

Fourth choice: 40° is not correct because is not a good approximation to 50.3°

3 0
3 years ago
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