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dimaraw [331]
3 years ago
11

How do you find the constant ratio in math?

Mathematics
1 answer:
Elena L [17]3 years ago
5 0
<span>ratio is a relation between two amounts, which shows how many times one contains the other. </span>
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A bookshelf is 45 inches wide. How many 1 &amp; 1/2 inch wide books will fit on the bookshelf? *
andriy [413]

Answer:

30 books

Step-by-step explanation:

bookshelf is 45 inches

each book is 1 1/2 inches

45 / 1 1/2 = 30

30 books can fit on the shelf

7 0
2 years ago
A store is having a sale on jelly beans and trail mix. For 3 pounds of jelly beans and 5 pounds of trail mix, the total cost is
Maurinko [17]
Set up your two equations: 
<span>9x+7y=53 </span>
<span>3x+5y=25 </span>
<span>X=cost per pound of jelly bean </span>
<span>Y=cost per pound of trail mix </span>
<span>Multiply the second equation by (-3): </span>
<span>-9x-15y=-75 </span>
<span>+ 9x+7y=53 <---- copy first equation and add them </span>
<span>—————— </span>
<span>0x-8y=-22 </span>
<span>Then solve for y: </span>
<span>Y=2.76 this is your cost per pound of trail mix. </span>
<span>Then plug y back in to one of the original equations and solve for x: </span>
<span>3x+7(2.75)=25 </span>
<span>X=3.75 this is you cost per pound of jelly beans</span>
6 0
3 years ago
Roberto finished 2/3 of the race in 4 hours. How long is the entire race?
Tcecarenko [31]

Answer:

6 hours

Step-by-step explanation:

because it took 4 hours to do 2/3 meaning that in one hour it took 2 hours so due to 3/3 being done at 2 hours a piece puts it at 6 hours

6 0
3 years ago
Read 2 more answers
let y =2t+5 be a linear function representing the distance from home for an ant t minutes after starting out from a location nea
Akimi4 [234]

Answer: T=1/2 Y + -5/2

Step-by-step explanation:

y=2t+5

2t+5 +-5= y +-5

2t=y-5 2t/2=y-5/2

t=1/2y+-5/2

= t=1/2y + -5/2

7 0
3 years ago
Read 2 more answers
PLEASE HELP FAST!!!
Llana [10]

Answer:

4500 miles

Step-by-step explanation:

750 rounded to the nearest hundred is 800. 2,488 rounded to the nearest hundred is 2,500. 155 rounded to the nearest hundred is 200. 1,015 rounded to the nearest hundred is 1,000. So 800+2,500+200+1,000= 4,500

8 0
3 years ago
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