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Vera_Pavlovna [14]
3 years ago
5

Two cars start from towns 800800 mi apart and travel toward each other. They meet after 88 hr. Find the speed of each car if one

travels 1010 mph faster than the other.
Mathematics
1 answer:
saul85 [17]3 years ago
8 0
Oh mah god this seems hard

i will try to figure it out for u 


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Can anyone explain how to do any of this?
pashok25 [27]

Answer:

qn 10. 15mn² - 23m²n +4m³

Step-by-step explanation:

1. distribute 4m through the parenthesis

8mn² - 12m²n + 4m³ - 2n(5m² - 3nm) + nm(n-m)

2. use the commutative property to reorder the terms

8mn² - 12m²n + 4m³ - 2n(5m² - 3mn) + mn(n - m)

3. distribute -2n through the remaining parenthesis

8mn² - 12m²n + 4m³ -10m²n + 6mn² + mn² - m²n

4. collect like terms

8mn² + 6mn² + mn² - 12m²n - 10m²n - m²n + 4m³

5. complete bodmas

15mn² - 23m²n +4m³

that's is how you do it so the answer is

15mn² -23m²n + 4m³

5 0
3 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.
Alisiya [41]
Hello there! :D

Find the scale of the sides. 

40/5=8 (the longer side is 8 times bigger than the shorter one)

3*8= 24

2x+10=24

Subtract 10 on both sides.

2x=14

Divide by two on both sides.

x=7

I hope this helps!
~kaikers
6 0
3 years ago
If 5 inches represent 15 feet, how many inches would represent 45 feet?
r-ruslan [8.4K]

Answer:

26 rows · An inch is a unit of length equal to exactly 2.54 centimeters. There are 12 inches in a foot, and 36 inches in a yard. There are 12 inches in a foot, and 36 inches in a yard. Feet to Inches Conversions

Step-by-step explanation:

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2 years ago
Use fraction bars and the rules of dividing signed numbers to divide. The quotient is
stira [4]

Answer:

the answer would be 4 on edg 2020

Step-by-step explanation:

hope this helped  god bless all and be safe out there

3 0
3 years ago
Read 2 more answers
Use the function r=a+5 to find the value of r when a=10
Flauer [41]

Answer: 15=10+5

Step-by-step explanation:

Subtract 55 from both sides.

15-5=a

Simplify 15-5 to 10.

10=a

Switch sides.

a=10

3 0
3 years ago
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