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zaharov [31]
3 years ago
14

Plz help... ANSWERS ONLY!

Mathematics
1 answer:
tekilochka [14]3 years ago
8 0

Answer:

1. 7 > 4 1/2           I'm only gonna do page one cause it's easy

2. 16 > 0

3. 3 1/2 < 5 1/2

Step-by-step explanation:

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4 pencils and 3 crayons are 20.9 inches. 5 pencils and 4 crayons are 26.5 inches. Each pencil is the same length as the other pe
erastova [34]

Answer:

The length of the pencils is 4.1 inches and for the crayons 1.5 inches

Step-by-step explanation:

We can solve by means of a 2x2 system of equations, we have to:

let "x" be the length of the pencils

let "y" be the length of the crayons

4 * x + 3 * y = 20.9

5 * x + 4 * y = 26.5 => x = (26.5 - 4 * y) / 5

Replacing:

4 * (26.5 - 4 * y) / 5 + 3 * y = 20.9

21.2 - 3.2 * y + 3 * y = 20.9

-0.2 * y = 20.9 - 21.2

y = -0.3 / -0.2

y = 1.5

now for x:

x = (26.5 - 4 * 1.5) / 5

x = 4.1

This means that the length of the pencils is 4.1 inches and for the crayons 1.5 inches

5 0
3 years ago
Find 3 consecutive odd integers such that 3 times the middle number is 153.
abruzzese [7]

Answer:

Step-by-step explanation:

Let the numbers be y, y+2, y+4

3(y+2)=153

3y+6=153

3y=153-6

3y=147

y=49

y+2=51

y+4=53

4 0
3 years ago
Sergei buys a rectangular rug for his living room. He measures the diagonal of the rug to be 18 feet. The length of the rug is 3
kvv77 [185]
The correct answer is d. Please give me brainlest I hope this helps let me know if it’s correct or not okay
5 0
3 years ago
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schepotkina [342]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Is a graph a proportional​
Bogdan [553]

Answer:

How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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