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Vilka [71]
2 years ago
6

Plz help and explain plz first to help and explain get brainest

Mathematics
2 answers:
erma4kov [3.2K]2 years ago
5 0
Ok so volume is 3 times so you could use paper or a calculator but basically you would have to multiply all of them so 10.4 x 5 x 8 is what you have to do and when you get that your done it is very simple hope it helps
viva [34]2 years ago
3 0
Volume for a rectangular prism: V=whl

W=5
H=8
L=10.4

Plug them all into the formula (pretty much just multiplying them all together)

5*8*10.4= 416mm^3
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I think it's A. Sorry if I get it wrong.
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What is 5x^2+4x=80 times x^2-5x-24=0
Wittaler [7]
(5x²+4x-80)(x²-5x-24)=5x²(x²-5x-24)+4x(x²-5x-24)-80(x²-5x-24)
{distributive property of multiplication}
                                  =5x^4-25x³-120x²+4x³-20x²-96x-80x²+400x+1920
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3 years ago
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Alina [70]

Answer:

C) 12%

Step-by-step explanation:

there are 25 ppl in this class. there are 3 ppl with 7 or 8 ppl in their family. 3/25=0.12=12%

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3 years ago
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in your stuffed animal collection you have 12 dogs, 10 more cats than dogs and 8 fewer bunnies than dogs
Alex787 [66]
22 cats, 4 bunnies, 12 dogs
5 0
2 years ago
Little help please? and thank you​
Aneli [31]

Answer:

45.7

Step-by-step explanation:

Hello there!

We can calculate the missing angle using trigonometry

here are the trigonometric ratios

sin = opposite over hypotenuse

cos = adjacent over hypotenuse

tan = opposite over adjacent

We are given x's opposite side length (8) and x's adjacent side length (7.8)

we are given the information to use the trigonometric ratio tangent

so now we create an equation (remember tan - opposite over tangent)

tan(x)=\frac{8}{7.8}

now we solve for x

\frac{8}{7} =1.025641026

we're left with

tan(x) =1.025641026

finally we want to get rid of the tan

To do so we take the inverse of tan (arctan^-1) and apply it to each side

arctan^-^1tan(x)=x\\arctan^-^1(1.025641026)=45.7252243

so x = 45.7252243

finally we round to the nearest tenth and get that the answer is

45.7

4 0
2 years ago
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