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AlekseyPX
2 years ago
11

SOME ONE HELP!!!!! this test is due soon

Mathematics
2 answers:
bogdanovich [222]2 years ago
5 0

Answer:

128/27

Step-by-step explanation:

valentina_108 [34]2 years ago
3 0

Answer:

4.66 (4 2/3, 14/3)

Step-by-step explanation:

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The table shows the change in temperature each hour for four hours. Find the total change C in temperature.
fomenos

Answer:

6

Step-by-step explanation:

-3 -1 +2 +8 = -4+10 = 6

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Write the fraction or mixed number as a percent 7/8
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A water tank is box shaped with a square base of side length 5 ft. The tank is fed by a pipe above and drains from its base. In
adell [148]

Answer:

dy/dt = - (1/5) ft/s = - 0.2 ft/s

Step-by-step explanation:

Given

L = 5 ft

Qin = 25 ft³/s

Qout = 30 ft³/s

h = 10 ft

dy/dt = ?

We can apply the relation

ΔQ = Qint - Qout = 25 ft³/s - 30 ft³/s

⇒ ΔQ = - 5 ft³/s

Then we use the formula

Q = v*A

where Q = ΔQ, A = L²  is the area of square base and v = dy/dt  is the rate of change in the depth of the solution in the tank

⇒ ΔQ = (dy/dt)*L²

⇒ dy/dt = ΔQ/L²

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⇒ dy/dt = - (1/5) ft/s = - 0.2 ft/s

6 0
3 years ago
Evaluate the function below for f(-6) *<br> f (x) =<br> -x + 11<br> what’s the answer
Drupady [299]
Your answer would be 5
5 0
3 years ago
What are the corresponding steps used to find the product of (2x + 1)(x + 1)?
Margarita [4]

Answer:

(2 x +1) ( x + 1)  = 2 x² + 3 x + 1

Step-by-step explanation:

The steops used to find the product of (2 x + 1) (x + 1) are

 =( 2 x )× x + (2 x) × 1 + x + 1

 = 2 x² + 2 x + x + 1

 = 2 x² + 3 x + 1

4 0
3 years ago
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