MATHEMATICS MIDDLE SCHOOL

Nina and Krissy have to read different books for Ms. Lester's English class. Nina has read 32 pages of her 110-page book. Krissy has read 55 pages of her book, but she and Nina still need to read the same number of pages to finish their books. Which equation can be used to find k, the total number of pages in Krissy's book?

Answers

Answer 1
Answer:

Answer:

78+55=k

Step-by-step explanation:

110-32=78

55+78=k=133
Answer 2
Answer:

Answer:

0

 78+55=k

 110-32=78

55+78=k=133

Step-by-step explanation:

;)

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Of 140 seventh-grade students, 15% earn the Presidential Physical Fitness Award. How many students earn the award?

Answers

We have an equation: ?/140= 15/100

Cross multiply:
100*?= 15*140
⇒ ?= 15*140/100= 21

21 students earn the Presidential Physical Fitness Award~
15% is equivalent to the fraction 3/20 so you must divide 140 by 20 then multiply by 3 to get the final answer of 21 students. Hope this helps :D

Estimate to 428,731 - 175,842

Answers

the answer to 300000 THAT'S THE ANSWER
428731
175852-
-----------
252889
------------
the answer is 252889

Determine which ordered pair is a solution of y=2x-3A)(-2,7)
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C)(-4,-11)
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Answers

C) (-4,-11) because when you substitute both numbers into the equation you end with -11 = -11
y=2x-3<=>0=6-3<=>0=3 b) (0,3)

The integer game, you have 3 cards. These cards add up to positive 6 and multiply to negative 64. What are the three cards in your hand?

Answers

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Math help? Easy but I can't get it! :(The distance driven in miles is proportional to the time driven in hours. Ebony drives at a constant rate and plots her progress on a coordinate plane. The point (3, 180) is plotted. At what rate is Ebony driving in miles per hour?
A)
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B)
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Eliminate
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Answers

Ok, so, the question states that the distance driven is proportional to the time driven in hours. So, the x value would be hours driven, while the y-value would be the number of miles driven. So, in order to find the speed at which she is driving, you will want to divide the number of miles by the number of hours driving, or 180/3, You answer should be 60, or 60 mph is her speed.

Answer:

i really think C 60 mph

Step-by-step explanation:

Write 5/30 in lowest terms

Answers

5/30 in lowest terms is 1/6
You have to find the lowest common factor of 5 and 30.  It is 5. 

5 / 5 = 1
30 / 5 = 6

5/30 = 1/6
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