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maksim [4K]
3 years ago
12

X + y = 7, what is the value of 2x + 2y -2?btw please hurry, thx <3

Mathematics
1 answer:
stira [4]3 years ago
5 0

Answer:

The answer is 12 because 2x is just 8 and 2y is just 6 so add that and get 14 then subtract 2.

Step-by-step explanation:

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6 0
3 years ago
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Dianna and Becky were playing on the same soccer team and took turns being goalie. They stoped 9 out of 10 shots made against th
vitfil [10]

Answer:

27 balls

Step-by-step explanation:

If Dianna and Becky stopped 9 out of 10 shots made against them.

It means they allowed in 1 out of 10 shots made against them.

This is best solved using ratios

Proportion of Shots Stopped : Proportion of Shots allowed=9:1

If the other team scores 3 points, it means the number of shots allowed =3

Let x be the number of shots stopped

Number of Shots Stopped : Number of Shots allowed=x:3

Therefore:

9:1=x:3

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Cross multiplying

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6 0
4 years ago
A typical high school student consumes 67.5 pounds of sugar per year. As part of a new nutrition plan, each member of the track
tino4ka555 [31]

Answer:

54 Pounds

Step-by-step explanation:

We know that they start off with 67.5 pounds of sugar and they need to reduce it by 20%. We also know from the problem that we want to know the MAXIMUM amount of sugar consumed by each track member.

The typical high school student consumes about 67.5 pounds of sugar per year. That is our first piece of the problem

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We now know that 20% of it needs to be reduced. This means that we can multiply it by 0.8 because that is 20% less than 100% of the sugar.

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4 0
3 years ago
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blondinia [14]

Answer:

Step-by-step explanation:

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- ∞ < x < ∞

4 0
3 years ago
726,000 scientific notation<br><br>​
il63 [147K]

Answer:

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I hope this helps!

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