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Ilia_Sergeevich [38]
3 years ago
10

To determine the number of square centimeters in 8 square inches, multiply 8 by 6.45. true false

Mathematics
2 answers:
liraira [26]3 years ago
8 0
The answer would be true

Mrac [35]3 years ago
6 0
The answer would be True
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Evaluate the expression:<br> 3x + 2y when X=10 and y=4
sveta [45]

Answer:

38

Step-by-step explanation:

3x + 2y when X=10 and y=4

3(10) + 2(4)

30 + 8

38

5 0
3 years ago
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Fine the equation, in standard form, of the line passing through the points (3,-4) and (5,1)
Talja [164]

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (3, -4) and (5, 1). Substitute:

m=\dfrac{1-(-4)}{5-3}=\dfrac{5}{2}\\\\y-(-4)=\dfrac{5}{2}(x-3)

The standard form: Ax+By=C

y+4=\dfrac{5}{2}(x-3)           <em>multiply both sides by 2</em>

2y+8=5(x+3)           <em>use distributive property</em>

2y+8=5x+15            <em>subtract 2y from both sides</em>

8=5x-2y+15          <em>subtract 15 from both sides</em>

-7=5x-2y

<h3>Answer: 5x - 2y = -7</h3>
5 0
3 years ago
Koryn is building a house. In order to visualize the house, she is building a model. She tapes off two squares with the first sq
Ainat [17]

Answer:

B is correct answer

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
A box contains balls numbered 3 through 15.
Phantasy [73]

Answer: 6/13

Step-by-step explanation:

A box contains balls numbered 3 through 15. This means that the sample space = {3 , 4 ,5 , 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15,}

The total number of sample space = 13

Therefore : the probability of picking 3, 5, 9, 11, 12, 15 , will be the total number of times they appear in the sample space divided by the number of sample space.

number of times 3 appears = 1

number of times 5 appear = 1

number of times 9 appear = 1

number of times 11 appear = 1

number of times 12 appear = 1

number of times 15 appear = 1

All together , they appeared 6 times

Therefore : the probability of picking one of the numbers = 6/13

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3 years ago
Find the aspect ratio of a computer screen that measures 12 inches by 16 inches.
alexdok [17]

Answer:

3:4

Step-by-step explanation:

That ratio would be 12:16, or 3:4.

8 0
3 years ago
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