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Irina-Kira [14]
2 years ago
5

Please help me! Im confused

Mathematics
1 answer:
Natali [406]2 years ago
3 0

Answer:

x= -5.5

Step-by-step explanation:

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Y = 4x + b
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A) 5<br> 11 + 4<br> 3<br> add the following rational number
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Step-by-step explanation:

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5 0
2 years ago
Simplify: 40÷4+2×6÷4-3
Oliga [24]
Simplify the experssion and you get 10.
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5 0
3 years ago
Read 2 more answers
Mei Su had 80 coins. She gave most of them to her friends in such a way that each of her friends got at least one coin and no tw
Mama L [17]

Answer: 12 friends.

Step-by-step explanation:

the data we have is:

Mei Su had 80 coins.

She gave the coins to her friends, in such a way that every friend got a different number of coins, then we have that:

The maximum number of friends that could have coins is when:

friend 1 got 1 coin

friend 2 got 2 coins

friend 3 got 3 coins

friend N got N coins

in such a way that:

(1 + 2 + 3 + ... + N) ≥ 79

I use 79 because "she gave most of the coins", not all.

We want to find the maximum possible N.

Then let's calculate:

1 + 2 + 3 + 4 + 5 = 15

15 + 6 + 7 + 8 + 9 + 10 = 55

now we are close, lets add by one number:

55 + 11 = 66

66 + 12 = 78

now, we can not add more because we will have a number larger than 80.

Then we have N = 12

This means that the maximum number of friends is 12.

5 0
3 years ago
» Round 13.045 to the nearest whole number.
pentagon [3]

Answer:

13

Step-by-step explanation:

Have a good day

7 0
2 years ago
Read 2 more answers
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