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3 years ago

I WILL GIVE BRAINLIEST TO WHOEVER IS CORRECT.

Mathematics

2 answers:

Alex787 [66]3 years ago

6 0

The correct answer is A m8 :P

wel3 years ago

3 0

What would you think??

The line t is a vertical line. When you reflect something across a vertical line, it retains the same vertical point but not the same horizontal point.

Like, reflecting (-5, 5) across the y-axis(in this case, the y-axis is named t) is:
(5, 5).

So now do the same.

Q is 5 units left away from line t. So go 5 units right away from line t.
R is 7 units left away from line t. So go 5 units right away from line t.
S is 2 units left away from line t. So go 5 units right away from line t. 

And you get your answer: Answer Choice A.

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Find the volume of a trough 5 meters long whose ends are equilateral triangles, each of whose

yawa3891 [41]

Answer:

$V=5\sqrt{3}\ m^3$

Step-by-step explanation:

we know that

The volume of a trough is equal to

$V=BL$

where

B is the area of equilateral triangle

L is the length of a trough

step 1

Find the area of equilateral triangle B

The area of a equilateral triangle applying the law of sines is equal to

$B=\frac{1}{2} b^{2} sin(60\°)$

where

$b=2\ m$

$sin(60\°)=\frac{\sqrt{3}}{2}$

substitute

$B=\frac{1}{2}(2)^{2} (\frac{\sqrt{3}}{2})$

$B=\sqrt{3}\ m^{2}$

step 2

Find the volume of a trough

$V=BL$

we have

$B=\sqrt{3}\ m^{2}$

$L=5\ m$

substitute

$V=(\sqrt{3})(5)$

$V=5\sqrt{3}\ m^3$

3 0

3 years ago

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finlep [7]

Answer:

sample variance

the value of the one observation

the mean value of all observations

the number of observations

Step-by-step explanation:

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2 years ago

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Vinil7 [7]

We can do this by using either long division or synthetic. I will use synthetic because it saves time. 6x^3-37x^2+32^x+15.

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3 years ago

Which of the following is a way that citizens can directly influence law-making and public policy?

sweet [91]

Answer: A way citizens can directly influence the public policy is by following it or not. If there is a policy that no one agrees with, they will not follow it and show that the policy is wrong. When this is done, the policy will go away. That is how citizens can directly change this.

Step-by-step explanation:

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3 years ago

I need help pls help

Andreyy89

Answer:

[?] = 4

(the complete term is $4\frac{1}{2}\ \text{cups}$ )

Step-by-step explanation:

$8\ \text{cups} - 1\frac{1}{3}\ \text{cups} - 2\frac{1}{6}\ \text{cups} = (8-1-2)\ \text{cups} + \frac{-\frac{6}{3} - 1}{6}\ \text{cups} = 5\ \text{cups} + \frac{-3}{6}\ \text{cups} = 5\ \text{cups} + \frac{-1}{2}\ \text{cups} = 4\ \text{cups} + \frac{2 - 1}{2}\ \text{cups}$

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2 years ago