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Rufina [12.5K]
3 years ago
9

Suppose Jolene played 56 tennis matches in one year, and won 38 of them. What percent of the matches did she win? Round your ans

wer to the nearest whole percent.
A: 58 percent​
B: 42 percent
C: 73 percent
D: ​68 percent​
Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0

Answer:

D. 68%

Step-by-step explanation:

38/56 = 0.678

Move the decimal over 2 spots to get 67.8

Round that up to 68

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Which expressions are equivalent to 25.24? Check all that apply.
Gemiola [76]

Answer:

29

Step-by-step explanation:

2 raise to power nine is the answer.

5 0
3 years ago
Read 2 more answers
This is for 20 points!!!!!!!
3241004551 [841]

All really need to do is pick one number. so, we will go with 6 and 87.

6 times 12 is 72 then you subtract that from $87.

That would be 15

To double check, you can use another one. 9 and 123.

9 times 12 is 108. subtract that from 123 and you get 15.

Your answer is B) $15

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4 0
3 years ago
Write as a product 27a^3−(a−b)^3
jarptica [38.1K]

Answer:

  (2a +b)·(13a^2 -5ab +b^2)

Step-by-step explanation:

The factorization of the difference of cubes is a standard form:

  (p -q)^3 = (p -q)(p^2 +pq +q^2)

Here, you have ...

  • p = 3a
  • q = (a-b)

so the factorization is ...

  (3a -(a -b))·((3a)^2 +(3a)(a -b) +(a -b)^2) . . . . substitute for p and q

  = (2a +b)·(9a^2 +3a^2 -3ab +a^2 -2ab +b^2) . . . . simplify a bit

  = (2a +b)·(13a^2 -5ab +b^2) . . . . . . collect terms

6 0
3 years ago
A graph has a constant of proportionality of 2.54. Let y represent centimeters and x represent inches. What is the unit rate of
Helga [31]

Answer: 2.54 is the rate of the given equation.

Step-by-step explanation:

Let x is the independent variable and y is the dependent variable.

Since, By the definition of proportionality,

y = k x

Where k is the constant of proportionality.

And, Here k = 2.54

Thus, the equation of line is,

y = 2.54 x

since, rate of the equation is the slope of the line.

And, the general equation of line

y = m x +c

Where, m is the slope of the line.

By comparing the equation of line y = 2.54 x  with this.

The slope of the line = 2.54

Therefore, 2.54 is the rate of the given equation.



3 0
3 years ago
State if polygons are similar
sukhopar [10]
Yes similar polygons are are two polygons with the same shape but not the same size
8 0
3 years ago
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