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never [62]
3 years ago
12

Reuben has scores of 70,75,83, and 80 on four spanish quizzes. what score must he get on the next quiz to achieve an average of

at least 80?
Mathematics
2 answers:
Ludmilka [50]3 years ago
6 0
Ok well If he gets a 92 percent he will have a 80!! :)

Sergio [31]3 years ago
4 0
X - the score he must get

\frac{70+75+83+80+x}{5} \geq 80 \\
\frac{308+x}{5} \geq 80 \\
308+x \geq 400 \\
x \geq 92

He must get at least 92 points.
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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

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9:1=x:3

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Cross multiplying

x=9 X 3 =27

Dianna and Becky stopped 27 balls from going into the net,

6 0
3 years ago
Jan wants to build a circular pond in his backyard. On the blueprint, the diameter of the pond is 15.5 in. The blueprint has a s
cestrela7 [59]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
(10, -17), (-10, -14)
Alexus [3.1K]

Answer:

3/-20

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2 years ago
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