3 years ago

An empty water tank is being filled at the rate of 20 liters per minute.

Mathematics

1 answer:

Nataliya [291]3 years ago

3 0

Answer:

230

Step-by-step explanation:

20x11=220

20x0.5=10

220+10=230

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Step-by-step explanation:

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3 years ago

Which expression is equivalent to 2(9 + 7)? (1 point)

iogann1982 [59]

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3 years ago

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(3x^2+3)(4+x^3) what the polynomial ?

Ludmilka [50]

<span>(3x^2+3)(4+x^3)
=</span><span>12x^2 +3x^5 + 12 + 3x^3
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4 years ago

Solve for x in the triangle. Round your answer to the nearest tenth.

Solnce55 [7]

Answer:

Step-by-step explanation:

$Hypotenuse = 8\\Adjacent = x\\ Angle = \alpha = 43\\\\Using ; SOHCAHTOA , \\Cos \alpha = \frac{adj}{hyp} \\Cos 43 =\frac{x}{8} \\0.73= \frac{x}{8} \\x = 0.73*8\\x = 5.84\\x = 5.8$

I hope i am correct

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3 years ago

Given that cosθ = 0.678 where 0<θ

Mariulka [41]

Answer:

θ = 47.312447

Step-by-step explanation:

I assume you are trying to find θ

The first thing you do is to find θ is to do the acos of 0.678

θ = acos(0.678)

θ = 47.312447

8 0

3 years ago