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lisabon 2012 [21]
2 years ago
10

In Twila's class, there are 20 students. of the students are boys. How many of the students in her class are boys

Mathematics
1 answer:
Dvinal [7]2 years ago
5 0

Answer:

set your question well

and I will answer it

Step-by-step explanation:

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Please help will give brainliest if you answer correct
adell [148]
You’re answer is y=-1/1.5x+2.5
Explanation
2.5 is you’re y intersect and you go over one < and up 1.5
7 0
2 years ago
Simplify: sin^2xcos^2x-cos^2x
shtirl [24]

Answer:

-cos^4(x)

Step-by-step explanation:

Step 1: Use the Pythagorean identity : 1=cos^2(x) + sin^2(x)

1-sin^2(x) = cos^2(x)

-1+sin^2(x) = -cos^2(x)

cos^2(x) (-cos^2(x))

Step 2: Factor out common terms cos^2(x)

cos^2(x) (sin^2(x)-1)

Ans: -cos^4(x)

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2 years ago
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4 0
2 years ago
Read 2 more answers
Find the volume to the nearest hundredth using 3.14 instead of Pi.
Monica [59]

22/7 lord to the nearest hundreds. 

Step-by-step explanation:

yes the volume and use 3.14 for PI is 22/7 lord to the nearest hundreds. 

8 0
2 years ago
A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 95% pure anti
Dimas [21]

Answer:

42 gallons 45% antifreeze

28 gallons 95% antifreeze

Step-by-step explanation:

If x is volume of 45% antifreeze, and y is volume of 95% antifreeze, then the total volume is:

x + y = 70

And the total amount of antifreeze is:

0.45 x + 0.95 y = 0.65 (70)

Solving by substitution:

0.45 x + 0.95 (70 − x) = 0.65 (70)

0.45 x + 66.5 − 0.95 x = 45.5

21 = 0.5 x

x = 42

y = 28

7 0
3 years ago
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