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daser333 [38]
3 years ago
8

Stephanie is going to paint the walls and ceiling of her bedroom. Her room is 18 feet long, 17 feet wide and 9 feet high.

Mathematics
1 answer:
madam [21]3 years ago
6 0
Yes this is correct I toke the test
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Prove<br> cos(^2)x-sin(^2)x=1-2sin(^2)x
aleksley [76]

Answer:

Step-by-step explanation:

cos^2x-sin^2x=1\\\\cos^2x+sin^2x=1\\\\so~cos^2x=1-sin^2x\\cos^2x-sin^2x=1-sin^2x-sin^2x=1-2sin^2x

4 0
3 years ago
Match the system of linear inequalities with its graph.
son4ous [18]

Answer:

  • A. 2, B. 3, C.1

Step-by-step explanation:

Find the y-intercepts, this should be sufficient to match with the graphs.

A.

  • x = 0 ⇒ y = 1
  • x = 0 ⇒ y = - 1

This is the graph 2

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B.

  • x = 0 ⇒ y = - 2
  • x = 0 ⇒ y = 2

This is the graph 3

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C.

  • x = 0 ⇒ y = - 2
  • x = 0 ⇒ y = - 2

This is the graph 1

6 0
2 years ago
Read 2 more answers
A spinner has six equal-sized sections numbered 1, 1, 2, 2, 3, and 4. What is the sample space for the spinner?
Liono4ka [1.6K]

we are given

A spinner has six equal-sized sections numbered 1, 1, 2, 2, 3, and 4

Sample space:

the sample space of an experiment or random trial is the set of all possible outcomes or results of that experiment

so, we will only unique outcomes

so, sample space is

S={1,2,3,4}................Answer

6 0
4 years ago
Sara's savings account balance changed by -$34 one week and by -$67 the next week .Which amount represents the greater change?
podryga [215]
Negative 67 have the greater change
4 0
3 years ago
Simplify the following expression: 5^2 - 4 (fraction bar) 5+2
Lyrx [107]

Answer:

d.) 3

Explanation:

\sf \rightarrow \dfrac{5^2-4}{5+2}

squaring 5 = 25

\sf \rightarrow \dfrac{25-4}{5+2}

add/subtract integers

\sf \rightarrow \dfrac{21}{7}

simplify following

\sf \rightarrow 3

8 0
2 years ago
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