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mel-nik [20]
3 years ago
13

Can someone help me?

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

Answer:

52

Step-by-step explanation:

180-90-38=52

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A sample pf a radioactive isotope had an initial mass of 370 mg in the year 2007 and
arlik [135]

Answer:

I need help with this! PLEASE!!! SOMEONE HELP ME!

1.A space shuttle's wings are useless as it travels around the exosphere.  Explain, in your own words, why the wings are so useless and how the shuttles can move around.

2.Explain, in your own words, the thermosphere and the stratosphere are our hottest atmosphere layers.

3.Explain, in your own words, how and why “shooting stars” occur.  For example, why and what causes meteors to burn up.

4.Explain, in your own words, the importance of our ozone layer in the stratosphere.

5.Explain, in your own words, why weather only occurs in the troposphere.

please use your own words!

Step-by-step explanation:

8 0
2 years ago
Solve.<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B3%20x%20-%2011%7D%20%20-%20%20%5Csqrt%7Bx%7D%20%20%2B%205%20%3D%206" id
ICE Princess25 [194]
Solve for x:
5 - sqrt(x) + sqrt(3 x - 11) = 6

Subtract 5 from both sides:
sqrt(3 x - 11) - sqrt(x) = 1

(sqrt(3 x - 11) - sqrt(x))^2 = -11 + 4 x - 2 sqrt(x) sqrt(3 x - 11) = -11 + 4 x - 2 sqrt(x (3 x - 11)) = 1:
-11 + 4 x - 2 sqrt(x (3 x - 11)) = 1

Subtract 4 x - 11 from both sides:
-2 sqrt(x (3 x - 11)) = 12 - 4 x

Raise both sides to the power of two:
4 x (3 x - 11) = (12 - 4 x)^2

Expand out terms of the left hand side:
12 x^2 - 44 x = (12 - 4 x)^2

Expand out terms of the right hand side:
12 x^2 - 44 x = 16 x^2 - 96 x + 144

Subtract 16 x^2 - 96 x + 144 from both sides:
-4 x^2 + 52 x - 144 = 0

The left hand side factors into a product with three terms:
-4 (x - 9) (x - 4) = 0

Divide both sides by -4:
(x - 9) (x - 4) = 0

Split into two equations:
x - 9 = 0 or x - 4 = 0

Add 9 to both sides:
x = 9 or x - 4 = 0

Add 4 to both sides:
x = 9 or x = 4

5 - sqrt(x) + sqrt(3 x - 11) ⇒ 5 - sqrt(4) + sqrt(3×4 - 11) = 4:
So this solution is incorrect

5 - sqrt(x) + sqrt(3 x - 11) ⇒ 5 - sqrt(9) + sqrt(3×9 - 11) = 6:
So this solution is correct

The solution is:
Answer:  x = 9
5 0
3 years ago
Help me Please!!!!!!!​
Murljashka [212]

Answer:

\boxed{Option \ C}

Step-by-step explanation:

Sin \ Y = \frac{Opposite }{Hypotenuse } = \frac{XZ}{XY}

Cos \ Y = \frac{Adjacent}{Hypotenuse} = \frac{YZ}{XY}

Tan Y = \frac{opposite}{adjacent} = \frac{XZ}{ZY}

7 0
3 years ago
Read 2 more answers
Which of the following has two bases?<br> A. prism<br> B. pyramid<br> C. line<br> D. plane
Margaret [11]

A. Prism

A prism has two bases

3 0
3 years ago
A study found that 9% of dog owners brush their dog’s teeth. Of 578 dog owners, about how many would be expected to brush their
Amanda [17]

Answer:

A. 50

Step-by-step explanation:

Simply multiply 9% and 578 to get your answer:

578(0.09) = 52.02

5 0
3 years ago
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