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Fofino [41]
3 years ago
8

Find the value of x. round to the nearest tenth

Mathematics
1 answer:
AlladinOne [14]3 years ago
3 0

Answer:

x=21.7

Step-by-step explanation:

cos ø=adjacent/hypotenuse

cos37°=17.3/hypotenuse

hypotenuse=17.3/cos 37°

hypotenuse=21.66

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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

⇒ dy/dt = (- 5 ft³/s)/(5 ft)²

⇒ dy/dt = - (1/5) ft/s = - 0.2 ft/s

6 0
3 years ago
Rob and Alan went to taco express. Rob bought seven tacos and to fajitas and paid $12.65. Adam bought 4 tacos and one fajita and
Nataliya [291]
I did the math and each taco is $1.25 each.
8 0
3 years ago
3(x+10)=2(2x+16) help please & thank you
andrew-mc [135]
In this question, you have to isolate <em>x</em>.

First, use the distributive property.

3x+30=4x+32

Now that you have distributed, subtract the constants. 


7 0
3 years ago
What is the slope of the line​
lidiya [134]

Answer:

c is the correct answer

Step-by-step explanation:

because i worked it out

8 0
3 years ago
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Can somebody answer and explain?<br> ( brainliest )
svlad2 [7]
A: 6/8, 9/12, 12/16
b: 6/14, 9/21, 12/28
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d: 1/4, 2/8, 2/12

In order to find equivalent fractions for a fraction is multiply or divide the numerator and denominator by the same number.

For example, 3/4=6/8 because 3x2=6 and 4x2=8, 6/8.

Hope this helps!
8 0
2 years ago
Read 2 more answers
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