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Ray Of Light [21]
2 years ago
12

What is the x? please answer!

Mathematics
1 answer:
zzz [600]2 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

1. distribute 9 in 9(x+1)

9x + 9 = 25 + x

2. subtract x from the right side to isolate x onto one side

8x + 9 = 25

3. subtract 9 from the left side

8x = 16

4. divide both sides by 8 to get x alone

x = 2

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klasskru [66]

Answer:

C. Jared is not correct because the cone and the cylinder have the same base and height so the cone holds 4,712/3≈1,571 centimeters cubed of sand.

Step-by-step explanation:

We have a cone and a cylinder with the same base and height.

We can express the volume of the cylinder as:

V_{cyl}=\pi r^2H

being r the radius and H the height.

The volume of the cone can be written as:

V_{con}=\dfrac{\pi}{3}r^2H=\dfrac{V_{cyl}}{3}

As they have the same base and height, we know that the volume of the cylinder is 3 times the volume of the cone.

If the volume of the cylinder is 4,712 cm^3, then the volume of the cone is:

V_{con}=\dfrac{V_{cyl}}{3}=\dfrac{4,712}{3}\approx1571

8 0
3 years ago
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jake made some tarts. He sold 3/5 of them and gave 1/4 of the remainder to his friends. If he had 150 tarts left, how many did h
Sergeu [11.5K]

Answer: 90 tarts

Step by Step: 150/5 = 30

30 multiplied times 3 = 90

6 0
3 years ago
Please help! I will mark as brainliest. <3
Ymorist [56]

Answer:

900

Step-by-step explanation:

set both options equal to each other so we know the intersection.

30000  + 20t = 21000 + 30t

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10t = 30000-21000

t = 90000/10

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6 0
2 years ago
(-3x-7)+(4x+7)<br><br> 2(x+14)+(2x-14)<br><br> (11x-8)+7(x-1)
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Guessing you want to simplify each,
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Answer:

18 is it

Step-by-step explanation:

3 0
3 years ago
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