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Inessa [10]
2 years ago
5

How do I start a percentage

Mathematics
1 answer:
blondinia [14]2 years ago
8 0

Answer:

I think you should divide the number you need to turn into a percentage by the whole :)

Step-by-step explanation:

im not quite sure about this answer, but I really hope this works for what you are trying to do!

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Find the measure of the<br>exterior angle shown.<br><br>​
katrin [286]

Step-by-step explanation:

3x+10°=70

or,3x=70-10

or,3x=60

or,x=60÷3

or,x=20

7 0
3 years ago
Please hurry it’s missing
navik [9.2K]

Answer:

★†\:1 \frac{3}{8}  \div 1 \frac{1}{12} \\  =  \frac{11}{8}  \div  \frac{13}{12}  \\  =  \frac{11}{8}  \times  \frac{12}{13}  \\  =  \frac{11}{2}  \times  \frac{3}{13}  \\  =  \frac{33}{26} =  \boxed{1 \frac{7}{26}}†✓

<h3><u>1 (7/26)</u> is the right answer.</h3>
7 0
2 years ago
You play a game on your phone. For every correct move you make, you receive 50 points. For every second that it takes you to com
swat32
50*25= 1250
2mins 15seconds= 135 seconds
135*3= 405

1250-405 = 845

Your score is 845
8 0
3 years ago
1. A sample consists of 75 TV sets purchased several years ago. The replacement times of those TV sets have a mean of 8.2 years.
Greeley [361]

Answer:

8.2+/-0.25

= ( 7.95, 8.45) years

the 95% confidence interval (a,b) = (7.95, 8.45) years

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = 8.2 years

Standard deviation r = 1.1 years

Number of samples n = 75

Confidence interval = 95%

z value(at 95% confidence) = 1.96

Substituting the values we have;

8.2+/-1.96(1.1/√75)

8.2+/-1.96(0.127017059221)

8.2+/-0.248953436074

8.2+/-0.25

= ( 7.95, 8.45)

Therefore the 95% confidence interval (a,b) = (7.95, 8.45) years

3 0
3 years ago
Simplify 5x + 3y - 2x
Blababa [14]
It is 5x+y . i think so
8 0
3 years ago
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