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vovikov84 [41]
2 years ago
12

What is the answer to this equation: 3c + 7 - 9c

Mathematics
2 answers:
Scrat [10]2 years ago
8 0

Answer:

-6c+7

Step-by-step explanation:

Ugo [173]2 years ago
3 0

Answer:

-6c+7

Step-by-step explanation:

you do the math and

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A water wheel has a radius of 18 feet. the wheel is rotating at 5 revolutions per minute. find the linear speed, in feet per min
makkiz [27]

Answer:

The linear speed is

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

we have

substitute

step 2

Find the linear speed in feet per minute

we know that

The wheel is rotating at 10 revolutions per minute

Convert revolutions to feet

Remember that

One revolution is equal to the circumference of the circle

so

10 revolutions is equal to

therefore

The linear speed is

8 0
2 years ago
Which of the following is a solution of the linear equation 4x + 3y = 16? * (1, 4) (2, 3) (1, 3) (2, 4)
rosijanka [135]

Answer:

(1,4)

Step-by-step explanation:

if u substitute these numbers u can find out that these numbers make the solution.

hope this helps

8 0
3 years ago
Determine the ordered pair that satisfies the equation, 5x + 2y = 7.
AveGali [126]

Answer:

None of the first 4 do. so I guess the answers E.

Step-by-step explanation:

8 0
3 years ago
How do I do 21? (Will mark brainlest for explaining)
Maslowich
Let's say the number is x
75%of x is 15
75%x=15
0.75x=15
x=15/0.75
x=20

or you can say 3/4x=15
x=15*4/3
x=20
6 0
3 years ago
Five less than three times a number
Radda [10]

That would turn into 3x-5

4 0
2 years ago
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