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Igoryamba
3 years ago
8

A car made a 60-mile trip at an average speed of 20 mph. On the return trip, the car's average speed was 30mph. What was the ave

rage speed of the car for the entire two-way trip?
A) 30 mph
B) 26.5 mph
C) 26 mph
d) 24 mph
Mathematics
2 answers:
creativ13 [48]3 years ago
8 0
I believe it is C which is 26
dsp733 years ago
7 0

Answer:26

Step-by-step explanation:

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LUCKY_DIMON [66]
Here is your answer! The coefficient of xy is 6. To solve this problem, you need to multiply your two polynomials together. I used the FOIL Method- multiply the First two, the Outside two, the Inside two, and the Last two. You can see how I did it on the picture attached. Next, the answer that you get as a result from FOILing is your polynomial. If you look at the number before xy, that is the coefficient. A coefficient is a number that is right before and attached to a variable. I hope this helps you! :))

3 0
3 years ago
Helppp this is killing meee
agasfer [191]

Answer:

(10x+26)=36x

(8x+42)=50x

Step-by-step explanation:

hope this helps!

7 0
3 years ago
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every story gets an additional 10% off the already discounted price. if an employee buys an item with an original price of $40,
ANTONII [103]
36.
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5 0
3 years ago
Solve for x in both!!!!!
zvonat [6]

Answer:

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So ; No solution

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5(x + 2) - 3 = 3x - 8x + 7 \\ 5x + 10 - 3 =  - 5x + 7 \\ 5x + 7 =  - 5x + 7 \\ 5x + 5x = 7 - 7 \\ 10x = 0 \\  \\ x =  \frac{0}{10}  \\  \\ x = 0

I hope I helped you^_^

4 0
3 years ago
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Correct: m,b,c
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3 years ago
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