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irina1246 [14]
3 years ago
6

Write a proportion to solve this problem: if 12 math books weigh 40 pounds, how much would 18 math books weigh

Mathematics
1 answer:
guapka [62]3 years ago
8 0
18 books would weigh 60 pounds
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Can someone help please and explain how you got your answer and please don't play around I really don't wanna fail. Ill give bra
Maksim231197 [3]

Answer:

5

Step-by-step explanation:

Hello There!

The mean is pretty much the average

So to find the mean we first add up all of the values

2+3+6+6+7+8+8=40

Then we count the amount of points

There are 8 points

our final step is to divide the total value by the total number of points

40/8=5

so the mean (average) would be 5

6 0
3 years ago
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15 inches and 8 feet in the simplest form
aivan3 [116]
9ft n 3 inches , because 12 inches is a feet ! if you know then you know
5 0
3 years ago
PLEASE HELP I WILL BRAINLIST
PSYCHO15rus [73]

Answer:

8

Step-by-step explanation:

Since they intersect you can just solve for x and y

since y=-4x and y=x^2+2x+8, you can set -4x=x^2+2x+8

add 4x to both sides to make 0=x^2+6x+8

and factor out (x+4)(x+2)

so the solutions for x are -4 and -2

then insert the two values for x into the first equation

so y=-4(-4) and y=-4(-2)

so y=16 and y=8 when x=-4 and x=-2

so the smallest value for y in both equations is 8

Please give brainliest :)

3 0
3 years ago
It the ratio 35 to 10 proportional to the ratio 7 to 5
ipn [44]
Response:

35 : 10 = 7 : 2

Therefore 35 : 10 ≠ 7 : 5
4 0
3 years ago
Aditya is making lime soda for his friends.
DIA [1.3K]

Answer: B.) 2:12 and D.) 3:18

Step-by-step explanation: ratios for one lime juice is 1:6

2 lime juice 2*6=12

3 lime juice 3*6=18

7 0
2 years ago
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