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alexgriva [62]
3 years ago
6

If x=-3,what is the value of |x-4|-x^2

Mathematics
1 answer:
Shtirlitz [24]3 years ago
5 0
(Answer is in photo):

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The volume of a cylinder of radius 3r and height 6r is given by TT(3r)2(6r). Simplify the expression.
OLga [1]

Answer: \pi 36r^{2}

Step-by-step explanation:

ALRIGHT ARE YOU READY FOR EPIC MATH TIME?

because i know i am. so lets get this bread.

WATCH: we have \pi (3r)2(6r)

interesting... that first character is called pi. maybe i should have said, "lets get this pi".

so now lets do some algebra. i am going to work from right to left. lets multiply 6r by 2. that gives us 12r. now we have... \pi (3r)(12r)

WE ARE MAKING EPIC PROGRESS, AREN'T WE?

lets multiply 12r by 3r. then we have....

\pi 36r^{2}

notice how i multiplied 12 by 3 and also r by r (which gives 36 and r^{2} respectively)

so your simplified expression is: \pi 36r^{2}

6 0
3 years ago
The line plots show the results of a survey of 12 boys and 12 girls about how many hours they spent reading for pleasure the pre
lana66690 [7]

Answer:

The range for boys is 0-12 and the mean is 5.1

The range for girls is 2-8 and the mean is 5.3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
PLZ HELP FAST!!!! WILLL GIVEE BRANILIESTTTTT!!Which of the following best describes the pyramid represented by this net? square
DedPeter [7]

Answer:

How can send/put/mark someone braniliest

7 0
3 years ago
Which of the following would you add to each side of the equation x-9=12 to get the variable by itself?
VLD [36.1K]
X-9=12
x-9+9=12+9
You need to add 9 to each side of the equation.
x=21
6 0
3 years ago
Only number 7 please hurry
Stella [2.4K]

Answer:

pretty sure its B and C

Step-by-step explanation:

because they have a common multiplier of 2.5 and are similar triangles

18 x 2.5 = 45

20 x 2.5 = 50

4 0
3 years ago
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