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solniwko [45]
3 years ago
14

What is cos 30°? Leave your answer in simplest form as an exact answer.

Mathematics
1 answer:
spin [16.1K]3 years ago
4 0

Answer:

0.87

I think, hope this helps :)

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Identify the center and radius of each circle. (x+6)^2 + y^2 = 90.25
Lady bird [3.3K]

Answer: Center: (-6,0)

Radius: 9.5

Step-by-step explanation:Happy to help :)

5 0
4 years ago
Can you help me with this question.
HACTEHA [7]

For the scale factor, use the dimensions from similar sides:

Using 18 from the original image you would use 6 from the scaled image.

18 /6 = 3

This means the scaled image is 3 times smaller than the original. Because the scaled image is smaller divide 1 by the scale factor to get 1/3.

Q2:

The scale factor is 1 inch = 12 miles.

Multiply the total inches by 12:

6.5 x 12 = 78 miles.

3 0
4 years ago
Read 2 more answers
Simplify: 13.6 – 4.1 – 3.8 + 6.7
blsea [12.9K]

Answer:

12.4 this is the answer

13.6-4.1=9.5

-3.8+6.7=2.9

9.5+2.9=12.4

8 0
3 years ago
Three consecutive integers have a sum of 87. Find the integers.
elena-s [515]

Answer:

28, 29, and 30

Step-by-step explanation:

There's probably better ways but you can estimate by knowing 30*3=90 so it should be somewhere pretty close to 30. Guess and check with basic calculations to get 28, 29, and 30.

4 0
3 years ago
Need help with this<br>please​
artcher [175]

Answer:

x^{\frac{2}{3} }

Step-by-step explanation:

Exponent Rules: (b^m)^n = b^{mn}

Exponent Rules: \frac{x^m}{x^n} = x^{m-n}

Step 1: Write expression

\frac{\sqrt[4]{x^3} }{x^{\frac{1}{12} }}

Step 2: Rewrite radical

\frac{{(x^3)^{\frac{1}{4} }} }{x^{\frac{1}{12} }}

Step 3: Multiply powers (numerator)

\frac{{x^{\frac{3}{4} }} }{x^{\frac{1}{12} }}

Step 4: Subtract powers

x^{\frac{2}{3} }

8 0
4 years ago
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