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Sphinxa [80]
3 years ago
10

I need help with this problem

Mathematics
1 answer:
nataly862011 [7]3 years ago
3 0
Kelly traveled 50 miles with 20 gallons, 50/20 = 2.5 miles per gallon

Andy traveled 78.75 miles with 15 gallons, 78.75 / 15 = 5.25 miles per gallon

Rick traveled at 4.8 gallons per mile

Andy traveled furthest.

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Two more than four times a number is three
klio [65]

Answer:

1/4 is the number

a.k.a. 0.25

Step-by-step explanation:

Replace the words "a number" with x

4x + 2 = 3

Then, simplify

4x = 1

x = 1/4

5 0
3 years ago
How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation
lakkis [162]
In order to find the square root, we must find a number that when multiplied by itself one time, it produces the number under consideration.
In the case of 64, the square root is 8 because 8 multiplied once by itself is 64.

However, when finding the cube root, the root must multiply by itself two times and make the number. 
In the case of 64, 4 multiplied by itself two times is 64.
3 0
3 years ago
Read 2 more answers
A student is asked to factor, if possible, the given expression. The student's response demonstrates which common misconception?
dlinn [17]

Answer:

The student assumed he was asked to factor

(a^2 - b^2)

Which is equal to

= (a+b)*(a-b)    (His response)

But, he was asked to simplify

(a^2 + b^2)

Which has imaginary roots, and can be factored as:

(b +ai)(b-ai)

8 0
3 years ago
X<br> 8.<br> 13<br> Solve for enter the number only)
leva [86]
The answer I got was 7
5 0
3 years ago
Can this problem be factored?
yan [13]

Answer:

yes it can be factored!!!!!!!!!!!!!!!!!!!!!!!!!!!

7 0
3 years ago
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