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zmey [24]
3 years ago
13

How to solve -7(-3r+2)=3r-6

Mathematics
1 answer:
Ymorist [56]3 years ago
8 0

Step-by-step explanation:

-7(-3r+2)=3r-6

Distribute the - 7

21r-14=3r-6

Add 14

21r=3r+8

Subtract 3r

18r=8

Divide 18r by 8

2.25 should be the answer to r.

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A cylinder has a volume of 400 cubic feet. If the height of the cylinder is 25 feet, what is the radius of the cylinder? Use 3.
Lisa [10]

The radius of the cylinder will be  r=2.25ft

<h3>What will be the radius of the cylinder?</h3>

It is given that

Volume of the cylinder = 400 ft^{3}

height of the cylinder= 25 ft^{3}

Now we know that

Volume of the cylinder = \pi r^{2} h

putting values in the formula

400= \pi \times r^{2} \times25

r= \dfrac{4}{\sqrt{3.14} }

r=2.25 ft

Thus the radius of the cylinder will be  r=2.25ft

To learn more about the Volume of the cylinder follow

brainly.com/question/9554871

8 0
3 years ago
8h + (-6.9d) -18 + 5d -3.4h help
pishuonlain [190]

Answer:

−1.9d + 4.6h − 18

Explanation:

8h − 6.9d − 18 + 5d − 3.4h

= 8h + −6.9d + −18 + 5d + −3.4h

[ Combine Like Terms ]

= 8h + −6.9d + −18 + 5d + −3.4h

= (−6.9d + 5d) + (8h + −3.4h) + (−18)

= −1.9d + 4.6h + −18

- PNW

6 0
3 years ago
The odds of winning a goldfish toss game are 1:49. The probability of winning a claw game is 30%. Which game gives you a better
olga_2 [115]

Answer:

the claw game would give you a better %

Step-by-step explanation

when turned into a percent 1:49 becomes 2.040816326531% compared to the claw game that would give you a 30% chance of wining

6 0
3 years ago
6. y = -3x + 2<br> y = -3x - 7
Mkey [24]

Answer:

No Solution.

Step-by-step explanation:

y=-3x+2

y=-3x-7

------------

-3x+2=-3x-7

-3x-(-3x)+2=-7

-3x+3x+2=-7

2=-7

no solution

8 0
3 years ago
Can u please help me with al of these
klio [65]
I hope this helps you

6 0
4 years ago
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