3 years ago

What is 5+5 i really need help;)

Mathematics

1 answer:

harina [27]3 years ago

4 0

Answer:

Its 10 B)

Step-by-step explanation:

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Select the property of equality used to arrive at the conclusion. If x - 3 = 7, then x = 10

goldenfox [79]

X - 3 = 7
add 3 to both sides
x - 3 + 3 = 7 + 3
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addition property of equality

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Answer:

Step-by-step explanation:

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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

Nataliya [291]

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:

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

Hence, the boat's speed in still water is 9 mph

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4 years ago

I need help in solving this, I dont want an answer. 10. The Wilson family had a family portrait framed for their living room. Th

ollegr [7]

So to find an area of a square is length times width. 45 times 37 =1665inches now convert that to ft and that’s your answer!
Hope this helps!

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How do I know if a positive integer is even based on its prime factorization?

faust18 [17]

To know if it's even based on it's prime factorization, check to see if it is a multiple of 2. If it is, it is an even number. If it is not, it is an odd number.

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