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Sever21 [200]
3 years ago
10

What percent of 55 is 22? please show your work <3

Mathematics
2 answers:
allsm [11]3 years ago
7 0
22 over 55 put a dot then idk what to do
My name is Ann [436]3 years ago
5 0
\frac{22}{55}\cdot100\%=\\\\\frac{2}{5}\cdot100\%=40\%
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215% of 41.8 is what number
salantis [7]
Ith Calculator

41.8 = 100%
215%/100% = 2.15
41.8 x 2.15 = 89.87

Without Calculator

41.8 = 100%

x2
83.6 = 200%

/10
4.18 = 10%

/20 
2.09 = 5%

200 + 10 + 5 = 215%
83.6 + 4.18 +2.09 = <span>89.87</span>
4 0
2 years ago
Read 2 more answers
When asked to write a point slope equation for a line passing through the points (-4,-7) and (3,2) a student wrote y-2=-9/7(x-3)
AleksAgata [21]
First let's find the slope
Slope formula: 
\frac{y_2-y_1}{x_2-x_1} =slope
Given the two coordinates: 
(-4,-7) (3,2) 
 x1,y1  x2,y2

Plug these numbers into the formula
\frac{2-(-7)}{3-(-4)} = \frac{9}{7}
In this case the mistake that was made was that the student wrote the slope negative instead of positive
Final answer: 
<span>y-2=9/7(x-3)</span>
8 0
2 years ago
How to multiply 7985 times 490 times 39 times 2094 plz the couculator wont help
asambeis [7]

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6 0
3 years ago
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Which expression is a factor of 21x2 + 13x – 20?
Paul [167]

Answer: 7x-5

Step-by-step explanation:

Assuming the expression is 21^2 + 13x -20.

(7x-5)(3x+4)

8 0
2 years ago
Which of the following is a factor​
vitfil [10]

Answer:

(3x-8)

Step-by-step explanation:

6x^2-13x-8=(3x-8)(2x+1)

Thus, (3x-8) is one of the factors of the formula.

3 0
2 years ago
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