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jarptica [38.1K]
3 years ago
5

Need help on this!!! 7 points!!!!

Mathematics
1 answer:
Masja [62]3 years ago
8 0

Answer:

your answer is (2,3) i think so .......am i right...or wrong..

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Alex got 27 questions out of 30 correct. what present of the questions did he get correct?(use fish method)
Novosadov [1.4K]

if we take 30 to be the 100%, what is 27 off of it in percentage?

\begin{array}{ccll} amount&\%\\ \cline{1-2} 30 & 100\\ 27& x \end{array} \implies \cfrac{30}{27}=\cfrac{100}{x} \\\\\\ \cfrac{10}{9}=\cfrac{100}{x}\implies 10x=900\implies x=\cfrac{900}{10}\implies x=90

4 0
1 year ago
40 employees increased by 15% use the percent of change to find new amohnt
Neko [114]
Answer=46 employees

40 employees
15% increase

100%+15%=115%

115%=1.15

40*1.15=46 employees



6 0
3 years ago
Given ƒ(x) = −10x + 45, find x when ƒ(x) = 15.
Temka [501]

Answer:

x = 3

Step-by-step explanation:

Given

f(x) = - 10x + 45 and f(x) = 15, then equating gives

- 10x + 45 = 15 ( subtract 45 from both sides )

- 10x = - 30 ( divide both sides by - 10 )

x = 3

5 0
2 years ago
Can someone help me on #1,3,5,7?
DaniilM [7]

Answer:

duno

Step-by-step explanation:

duno duno

7 0
2 years ago
Factor Completely 4g^2+10g-36
ElenaW [278]

Answer:

2(g-2)(2g+9)

Step-by-step explanation:

common factor = 2

2g^2+5g-18

(g-2)(2g+9)

3 0
3 years ago
Read 2 more answers
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