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Svet_ta [14]
3 years ago
14

Rx+9/5=h, Solve for the value of x

Mathematics
1 answer:
muminat3 years ago
5 0

rx+(9/5)=h 

rx=h-(9/5) 

x=(h-(9/5))/r

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In his boat, Sheldon can travel 45 mi downstream in the same time that it takes to travel 9 mi upstream. If the rate of the curr
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Answer:

9 mph

Step-by-step explanation:

-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

Speed=\frac{Distance}{Time}\\\\\#Upstream\\(u-6)t=9\\\\\#Donwstream\\\\(u+6)t=45

#Since t is equal in both, we can do away with t.

#We the divide the downstream equation by the upstream equation as:

\frac{u+6}{u-6}=\frac{45}{9}\\\\(u+6)=5(u-6)\\\\u+6=5u-30\\\\4u=36\\\\u=9

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7 0
3 years ago
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aleksandrvk [35]

Answer:

(5,7.5) (12,18) (18,27)

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It costs $1.50 per cupcake.

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6 0
3 years ago
A seventh-grade student forgets to bring his lunch money on several occasions. Each time he forgets his lunch money, he has to c
Georgia [21]

Answer:

-12.6

Step-by-step explanation:

6 0
3 years ago
I need help please...
Doss [256]

Answer:

No is your answer

Step-by-step explanation:

7 0
3 years ago
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What is the length of one side of 400 sq in
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This is a square, and so all the sides will be the same measurements. Note that you are given an area, so you'll have to root the total area to get a side.

√400 = 20

One side's measurements is 20 in

hope this helps

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3 years ago
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