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Cloud [144]
3 years ago
14

PLEASE HELPPPPP THE IS ON A BIG QUIZ The expression below represents the cost, c, of an item that is 25% off c-0.25c

Mathematics
2 answers:
andrew11 [14]3 years ago
5 0
B is the correct answer
ddd [48]3 years ago
4 0

Answer:

option b is the answer of your question

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Can someone please help as I'm not sure how to tackle this step by step? Especially question b, d, g, j, k, l. Not how sure to d
Arisa [49]

Step-by-step explanation:

√a = 1√a so we can solve them easily:

b) 3√7 -√7= 3√7 - 1√7 =( 3-1)√7= 2√7

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g) √2+2√2= 3√2

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k) 2√3 + √3 - 5√3= -2√3

I) 5√11 + 7√11 - √11 = 11√11

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2 years ago
In a random sample of 85 people attending a workshop, 63 of the respondents said the workshop was useful. What is the sample pro
SVETLANKA909090 [29]
Divide the number of respondents saying it was useful by the total number
63/85 = 0.74
8 0
3 years ago
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7 0
3 years ago
What is 39+21g when g = -4
timurjin [86]

Answer:

-45

Step-by-step explanation:

When the -4 is plugged in, it needs to be multiplied and then added to 39. That equals -45.

8 0
3 years ago
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What is the domain and range , and is it a function ?
dem82 [27]

Answer:

The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes. (In grammar school, you probably called the domain the replacement set and the range the solution set.

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