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anygoal [31]
3 years ago
15

Successive discounts of 20% and 12% are equivalent to a single discount of:

Mathematics
2 answers:
Maslowich3 years ago
8 0

Answer:

20 or 40

Step-by-step explanation:

took the quiz in plato

nydimaria [60]3 years ago
4 0
Exp.

100 $;
<span> discount of 20% => 80$;
</span> discount of <span>12%</span>% => 80 - 80*(12/100) = 71.4 $;

100 - (x/100)*100 = 71.4 => x = 29.6 => a single discount of 29.6%;
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About 7% of the population has a particular genetic mutation. 400 people are randomly selected. Find the standard deviation for
Deffense [45]

Answer:

5.10 people

Step-by-step explanation:

Calculation to Find the standard deviation for the number of people with the genetic mutation

Using this formula

Standard deviation = √ ( n * p * q)

Where,

n = 400

p = .07

q = 100%-7% = 93% or .93

Let plug in the formula

Standard deviation =√400*07*.93

Standard deviation =√26.04

Standard deviation = 5.10 people

Therefore the standard deviation for the number of people with the genetic mutation is 5.10 people.

5 0
3 years ago
Answers please ? I need help on all of them.
Allushta [10]
Well to answer question 43, you would have to multiply the radius but 2 so 8*2= 16 and 16* 3.14= 50.24
ANSWER: 50.24
5 0
3 years ago
Rationalize the denominator of each of the following 4 by (root7+root3)​
Solnce55 [7]

Answer:

4/(√7 + √3)

Step-by-step explanation:

=> Multiply and divide by (√7-√3)

=> 4(√7 - √3)/((√7 + √3)(√7 - √3)

=> 4(√7 - √3)/((√7)² - (√3)²)

=> 4(√7 - √3)/((7) - (3))

=> 4(√7 - √3)/4

=> √7 - √3

7 0
2 years ago
Read 2 more answers
422 8/100 fraction notation
Ivenika [448]

The rule to convert a mixed fraction to an improper fraction is

a\frac{b}{c} =\frac{(a)(c)+b}{c}

Here in 422\frac{8}{100}

Here a = 422, b = 8 and c = 100

Now a × c = 422 × 100 = 42200

And 42200 + 8 = 42208

So we have

422\frac{8}{100} =\frac{(422)(100)+8}{10}=\frac{42200+8}{100}=\frac{42208}{100}

This fraction can also be reduced  as

\frac{42208}{100}=\frac{10552}{25}

Hence

422\frac{8}{100}=\frac{42208}{100}=\frac{10552}{25}

4 0
3 years ago
Read 2 more answers
328 x 36 Step by step
denpristay [2]

Answer:11808

Step-by-step: so start by putting the 328 on top of 36 then after multiple 6 by 8 2 and 3 then bring down the answers then do a 0 then multiply 3 by 8 2 and 3 and you get 11808

3 0
2 years ago
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