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Solnce55 [7]
3 years ago
9

Mis Brown graded 84 papers. If the ratio of science papers to math papers is 2:10 how many math papers did she grade?​

Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0

Answer:

70

Step-by-step explanation:

2 + 10 = 12

84 ÷ 12 = 7

7 x 10 = 70

She graded 70 maths papers and 14 science papers.

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Complete the sentences.
serious [3.7K]

Answer:

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Step-by-step explanation:

1. Add 4 to 6 and tap the equal sign 37 times and the answer will be visible. it is 158

3 0
2 years ago
A sweater that had 40% discount and I saved 20 dollars, what was the price of the sweater
ioda

Answer:

200

Step-by-step explanation:

200-40% = 180

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3 years ago
What is the vertex of the quadratic function f(x) = (x – 8)(x – 2)?
LekaFEV [45]
Something funny is that the x value of the vertex lies directl in the middle of the x intercepts
so
we see the x intercepts or 0's at x=8 and 2
the average is x=5
so find f(5) to find the y value of the vertex
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f(5)=-9

vertex is at (5,-9)

the actual way the teacher wants is to expand then compltete the square to get into the form f(x)=a(x-h)^2+k where the vertex is (h,k)
but whatever


verrtex is at (5,-9)
7 0
3 years ago
HEEEEEELLLLLLLLPPPPPPPP! Plz
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Answer:

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Step-by-step explanation:

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3 years ago
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