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dusya [7]
3 years ago
6

What is the fraction -2 over 3 multiplied by -2 equal?

Mathematics
1 answer:
defon3 years ago
3 0
-2/3 times -2. You change -2 into -2/1 so you can multiply numerator to numerator and denominator to denominator. You will get 4/3 (negatives cancel out)
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Sam's Office Supply store has 436 pens.Sam orders 6 pens each in 8 different colors to add to his store. How many pens did Sam o
muminat

Answer:

48 pens

Step-by-step explanation:

6 times 8 is 48,

sam ordered 48 pens

5 0
2 years ago
What is the area of parallelogram with a base length of 12 yd and a height of 9 yd ?
FinnZ [79.3K]
Area of <span>parallelogram=base * height
so it is 12*9=108 yd²</span>
4 0
2 years ago
Hans leaned a 17 ft ladder against his house. He placed the base of the ladder 8 ft from his house, and the top of the ladder re
Fynjy0 [20]

Answer:

b

Step-by-step explanation:

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7 0
3 years ago
Given that sin theta = 1/4, 0
GaryK [48]
Answer: cos(Θ) = (√15) / 4

Explanation:

The question states:

1) sin(Θ) = 1/4

2) 0 < Θ < π / 2

3) find cos(Θ)

This is how you solve it.

1) Use the fundamental identity (in this part I use α instead of Θ, just for facility of wirting the symbols, but they mean the same for the case).

(cos \alpha )^2 + (sin \alpha )^2 =1

2) From which you can find:

(cos \alpha )^2 = 1 - (sin \alpha )^2

3) Replace sin(α) with 1/4

=> (cos \alpha )^2 = 1 - (1/4)^2 = 1 - 1/16 = 15/16

=> cos \alpha =+/- \sqrt{15/16} = +/- (\sqrt{15} )/4

4) Given that the angle is in the first quadrant, you know that cosine is positive and the final answer is:

cos(Θ) = \sqrt{15} /4.

And that is the answer.
6 0
3 years ago
Evaluate when a=7 and x = -5 -a+3x
Tema [17]
A = 7 and x = -5

-a + 3x = -(7) + 3(-5) = -7 -15 = -22

Answer: -22
6 0
3 years ago
Read 2 more answers
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