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Art [367]
3 years ago
6

4.

Mathematics
1 answer:
Zarrin [17]3 years ago
5 0

Answer:

t=-6

Step-by-step explanation:

-4t-4=20 (move constant to the right)

-4t=20+4 (Calculate 20 + 4)

-4t= 24 (then divide 24 on both sides)

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If a cylinder has a height of 7 inches and a volume of 2908.33 in3 find its diameter
Makovka662 [10]
The answer should be 23. Not sure if you have multiple choices, or have to show the work, but 23 is the answer.
3 0
3 years ago
Read 2 more answers
a tank is 3/7 full of water.After removing 420 litres it became 12/35 full .how much can the tank hold when full? ​
insens350 [35]

Answer:

4900 Litres

Step-by-step explanation:

First we need a common demoninator:

3/7=15/35

Then we subtract the two to figure out how much 420 Litres is:

15/35-12/35=3/35

3/35=420 litres

Divide amount by the numerater for thow much 1/x is.

1/35=140

and multiply by the denomenator to get a full number on your fraction, and therefore a full tank.

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5 0
2 years ago
Seven less than one half of x
damaskus [11]

Answer:

X/2-7

Step-by-step explanation:

any number which is said to be less than another number let's say b should be subtracted from b.

7 0
3 years ago
Mrs. Ruan provides bike renting services. She charges $5 dollars per hour plus a one-time fee of $10. Is
Trava [24]

Answer:

A

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Let the number of hours spent by a costumer be X

As X increases the number of hours increases

It's a proportional relationship. If we draw the graph we see it .

7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bx%20%2B%202%20%7D%20%20%3D%209%20%5Ctimes%28%20%20%7B2%7D%5E%7Bx%7D%20%29%20-%
nataly862011 [7]

Hello, please consider the following.

{2}^{x + 2 } = 9 \times( {2}^{x} ) - 2\\\\2^x \cdot 2^2=9\cdot 2^x-2\\\\(9-4)2^x = 2\\\\2^x=\dfrac{2}{5}\\\\\text{We take the ln.}\\\\xln(2)=ln(2)-ln(5)\\\\x=\dfrac{ln(2)-ln(5)}{ln(2)}=-1.32193...

Let me know if you need further explanation.

Thank you

7 0
3 years ago
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