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Nina [5.8K]
2 years ago
5

Solve?????????????????

Mathematics
1 answer:
o-na [289]2 years ago
3 0

Answer:

20/98

Step-by-step explanation:

im for sure

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Antonette gets $70\%$ on a 10-problem test, $80\%$ on a 20-problem test and $90\%$ on a 30-problem test. If the three tests are
notka56 [123]

Answer:

Percentage score will be 83.33 %

Step-by-step explanation:

We have given Antonette gets 70 % on 10 problem test

Let consider here here total problem = total marks

So marks get 10 10 problem test = 10×0.7 = 7

Marks get in 20 problem test = 20×0.8 = 16

And marks get in 30 problem test = 30×0.9 = 27

Now total marks get get by Antonette = 7 +16 + 27 = 50

And total marks = 60

So percentage score of Antonette =\frac{50}{60}\times 100=83.33 %

8 0
3 years ago
Most companies calculate the finance charge on credit card accounts as a percentage of the
mezya [45]

do you have the options

7 0
3 years ago
Two angles of a triangle measure 15° and 85°. What is the measure for the third angle
disa [49]

Answer:

15+85+x =180

X=180-15-85

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Step-by-step explanation:

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3 years ago
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Ket [755]

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Bvcvbcc

Step-by-step explanation:

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7 0
3 years ago
A third-degree polynomial function f has real zeros -2, ½, and 3, and its leading coefficient negative. Write an equation for f.
Rom4ik [11]
F(x) = k(x+2)(2x-1)(x-3), where k is some constant
= k(2x^3-3x^2-11x+6)
= k(-2x^3+3x^2+11x-6)

k defines some vertical stretch, so there are an infinitely many solutions for f(x).
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3 years ago
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