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torisob [31]
3 years ago
13

Help me with this question

Mathematics
1 answer:
Maksim231197 [3]3 years ago
4 0

Answer:

3m/s

Step-by-step explanation:

Your welcome

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A is c=75 B is a=120 C is b= square root of 75 and D= square root of 245
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Which numbers are solutions of x2+20=9x+2?<br> Choose exactly 2 awnsers.<br> 2<br> 3<br> 5<br> 6
Dahasolnce [82]

Answer:

my answer is gonna be 2 and 5

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2 years ago
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What value of m makes the triangles similar?
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C Becuase it’s the same triangle but doubled
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1 year ago
Need help asap. Simplify the expression 6/c+4/c^2 show work
Zina [86]

By taking a common denominator, we can find out that the simplified expression of the given expression is \frac{6c+4}{c^{2} } .

The given expression is -

\frac{6}{c}+\frac{4}{c^{2} } ---- (1)

We have to simplify the expression.

From equation (1), we have the given expression as -

\frac{6}{c}+\frac{4}{c^{2} }

Establishing common denominator c^{2}, we have

\frac{6c}{c^{2} }+\frac{4}{c^{2}}

Combining the numerator and common denominator, we have

\frac{6c+4}{c^{2} }

Thus, the simplified expression of the given expression is \frac{6c+4}{c^{2} } which is obtained by taking a common denominator.

To learn more about simplified expression visit brainly.com/question/22860327

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7 0
1 year ago
John ,Rick , and Molli are painting a room together. It takes all of them 16 hours to paint the room to perfection. It takes Joh
CaHeK987 [17]
John's hourly rate is 1/8 of the room per hour.
Rick's hourly rate is 1/2 of the room per hour.
Molli's hourly rate would be 3/8 of the room per hour.

It takes Molli 2 2/3 hours to paint the room alone.

Explanation
Since John paints the entire room (100%=1) in 8 hours, he would paint 1/8 of the room in 1 hour.
Since Rick paints the entire room (100%=1) in 2 hours, he would paint 1/2 of it in 2 hour.

We do not yet know Molli's rate, so we will call it x.

We know that 1/8+1/2+x = 1 hour.

We will use 8 as a common denominator:
1/8+4/8+8x/8 = 1

Adding the numerators, 
(1+4+8x)/8 = 1

Multiply both sides by 8:
1+4+8x = 8

Add like terms:
5+8x = 8

Subtract 5 from both sides:
5+8x-5=8-5
8x=3

Divide both sides by 8:
8x/8 = 3/8
x = 3/8

Molli's rate is 3/8.

Since she can paint 3/8 of the room in 1 hour, we can set up the equation
3/8x = 1

Divide both sides by 3/8:
3/8x ÷ 3/8 = 1 ÷ 3/8
x = 1/1 ÷ 3/8 = 1/1 × 8/3 = 8/3
x = 2 2/3

This is the amount of time it takes Molli to paint the entire room.
5 0
3 years ago
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