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Maksim231197 [3]
3 years ago
9

The area of a square window is 81 square inches. How long is each side of the window?

Mathematics
2 answers:
AURORKA [14]3 years ago
5 0

Answer:

3 square inches

Step-by-step explanation:

So you would multiply 3*3*3*3

All the sides of the window 4 3's

3*3=9*3=27*3=81

So therefore your answer is 3 square inches

Ede4ka [16]3 years ago
3 0
So therefor it’s 3 square inches
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If the measure of angle θ is 3π/4, the true statements are:

  1. sin(θ) = √2/2.
  2. The measure of the reference angle is 45°.

<h3>How to determine the true statements?</h3>

In Trigonometry, an angle with a magnitude of 3π/4 (radians) is equivalent to 135° (degrees) and it's found in the second quarter. Thus, we would calculate the reference angle for θ in second quarter as follows:

Reference angle = 180 - θ

Reference angle = 180 - 135

Reference angle = 45°.

Also, a terminal point for this angle θ is given by (-√2/2, √2/2) which corresponds to cosine and sine respectively. This ultimately implies that sin(θ) = √2/2.

tan(θ) = cos(θ)/sin(θ)

tan(θ) = [(-√2/2)/(√2/2)]

tan(θ) = -1

In conclusion, we can logically deduce that only options A and B are true statements.

Read more on terminal point here: brainly.com/question/4256586

#SPJ1

Complete Question:

If the measure of angle θ is 3π/4, which statements are true. Select all the correct answers.

A. sin(θ)=sqrt2/2

B. The measure of the reference angle is 45

C. The measure of the reference angle is 30

D. The measure of the reference angle is 60

E. cos(θ)=sqrt2/2

F. tan(θ)=1

6 0
2 years ago
Find the difference and express the answer in Scientific Notation
fenix001 [56]
The correct answer is C. 
this is because 452.7*10^3=452700
and 2.7*10^5=270000
452700-270000=182700
which when expressed in scientific notation is 1.827*105
Hope I was helpful

5 0
3 years ago
Keiko is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x rep
Kamila [148]

the starting amount would be the 550, because it doesn't have a variable assigned to it.

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3 years ago
A set of data was published in the fall 2019 Phi Kappa Phi Forum regarding the performance of Major League Baseball (MLB) umpire
const2013 [10]

Answer:

The answer is "1.30".

Step-by-step explanation:

Proportion of population=0.20

Ratio sample=\frac{70}{300}=\frac{7}{30}=0.23

Statistics of the test:

\to Z=\frac{(0.23-0.2)}{\sqrt{(\frac{0.2\times(1-0.2)}{300})}}\\\\

       =1.30

6 0
3 years ago
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Answer:

i=10^5

eq is 2^n*i

hence 2^3*10^5

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pls mark as brainliest

4 0
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