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Lesechka [4]
3 years ago
13

I need the answers for numbers 11-15

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0
11. The number of participants that catch a cold
12. It is purposely changed
13. The type of medium
14. The amount of liquid absorbed
15. Doing homework

Hope I didn't mess up for your sake.
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A traveler is driving across the country and spots Gateway Arch in St. Louis, Missouri. She has read that the arch is 630 feet t
andreyandreev [35.5K]

Answer:

The answer is 0.2mile

Step-by-step explanation:

The vertical height of the building, which is 630ft, is opposite the angle of elevation (30°).

While the horizontal distance to the tower is adjacent to the building. So, we take the tangent of the angle of elevation in terms of this unknown distance (x) and the vertical height.

So,

Tangent = opposite ÷ adjacent

Tan30° = 630ft ÷ x

x = 630ft ÷ tan30°

x = 1091.192ft

But,

1 mile = 5,280ft

1091.192ft = (1/5280) x 1091.192

= 0.2mile

5 0
3 years ago
Simplify the following equation :
Fynjy0 [20]

Answer:

27x(3x+29) / 50x(83x-29)

Step-by-step explanation:

Hope dis helps, y.w

5 0
3 years ago
2x^3-3x^2-11x+6 divide by x-3
Alexxx [7]

Answer: 2x^2+3x-2

Step-by-step explanation:

You can do long division, which is very very hard to show with typing on a keyboard. You essentially want to divide the leading coefficient for each term. Ill try my best to explain it.

Do \frac{2x^3}{x}=2x^2. Write 2x^2 down. Now multiply (x - 3) by it. Then subtract it from the trinomial.

2x^2*(x-3)=2x^3 -6x^2\\(2x^3 -3x^2-11x+6)-(2x^3-6x^2) = 3x^2-11x+6

Now do \frac{3x^2}{x} =3x. Write that down next to your 2x^2. Multiply 3x by (x - 3) to get:

3x(x-3)=3x^2-9x\\(3x^2-11x+6)-(3x^2-9x)=-2x+6

Your final step is to do \frac{-2x}{x} =-2. Write this -2 next to your other two parts

Multiply -2 by (x - 3) to get:

-2(x-3)=-2x+6\\(-2x+6)-(-2x+6)=0

Our remainder is 0 so that means (x - 3) goes into that trinomial exactly:

2x^2+3x-2 times

4 0
3 years ago
Read 2 more answers
Can someone please help me
Leni [432]

9514 1404 393

Answer:

  c.  90°

Step-by-step explanation:

Every corner of a square or rectangle is a 90° angle, also called a "right angle."

  ∠MLK = 90°

3 0
3 years ago
What is the are of the polygon?<br> А<br> D<br> 9 cm<br> E<br> 9 cm<br> 5 cm<br> C<br> 12 cm<br> B
Svetradugi [14.3K]
I think the answer is a e
5 0
3 years ago
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