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Olegator [25]
2 years ago
13

Pleaseeeee helpppppp meeeeee

Mathematics
1 answer:
Nitella [24]2 years ago
7 0

Answer:

y=3/2-1

Step-by-step explanation:

there

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Asa received scores of 72, 97, and 82 on her last three math tests. she needs a mean test score of 82 to qualify for the math te
lara [203]

First step is to find what should be the required total of sum of Score after fourth test, to identify how much more or less she need to score in his fourth test.

Since Mean = (Sum of Scores)/number of test

using above formula we determine what is the required sum of score.

82 = (Sum of Scores)/4

⇒ 82 × 4 = 328

So in four test she should have score total as 328

So Score require in fourth test = Required Score Total - (total score in 3 tests)

             = 328 - ( 72 + 97 + 82 ) = 77

So she need score of 77 to be at mean of 82 after fourth test and get qualify for the team


6 0
3 years ago
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If triangle CDE is dilated by a scale factor of 1/5 with a center of dilation at vertex E, what is the area of triangle C'D'E'?
timurjin [86]
The correct answer would be Choice B: 4 square units.

When the scale factor is 1/5, that means the lengths of the sides are 1/5 of the original size. So instead of having a base of 20 and height of 10, the new triangle has a base of 4 and a height of 2.

The area of the triangle is: (4 x 2) / 2 = 4
8 0
3 years ago
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5+5 divded by 6 multiplied by 100 divded by 25 +1000 - 3456 multiplied by 60 and divded by 23 = what
Paladinen [302]

Answer:-9,015.23 i think plz dont come at me if wrong

Step-by-step explanation:

5+5=10/6=1.6*100=166.6/(25+1000=1025)=0.16-3456=-3,455.84*60=-207,350.4/23=-9,015.23

3 0
3 years ago
Juan is 8 years older than his sister. In 3 years, he will be twice as old as she will be then. How old
Ratling [72]
Juan is 13 years old and his sister is 5 years old.
7 0
2 years ago
The questions is in the picture so are the answers pls help!!! I’ll pick brainliest
SashulF [63]
The first choice because it’s easier than having to add a bunch of numbers so S=(9)(2)(4)
4 0
3 years ago
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