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Katarina [22]
2 years ago
12

Evaluate 3x2 - 2x when x = 5

Mathematics
2 answers:
White raven [17]2 years ago
7 0

Answer:

The answer is 65

storchak [24]2 years ago
3 0

Answer:

20

Step-by-step explanation:

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What is the distance between (-3,5) (7,5)
Firlakuza [10]

Answer:

10 units

Step-by-step explanation:

use distance formula:  d = square root of the difference of the y-values minus the difference of the x-values

d = \sqrt{(5-5)^2+(7--3)^2}

d = \sqrt{(0)^2+(10)^2}

d = \sqrt{100}

d = 10 units

4 0
3 years ago
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Devaughn's age is three times Sydney's age. The sum of their ages is 84 . What is Sydney's age?
defon

the answer is 21 years old

4 0
3 years ago
If sample data come from a population that is not normally distributed, which
yuradex [85]

Answer:

For a data from population which is not normally distributed, the sample means would be approximately a normal distribution if the sample size (n) is greater than 30

Step-by-step explanation:

For a data from population which is not normally distributed, the sample means would be approximately a normal distribution if the sample size (n) is greater than 30 i.e n ≥ 30 this is because the shape of a sample distribution depends on the sample size. But for  normal distribution population, the sample means would be approximately a normal distribution even if the sample size is less than 30;

8 0
3 years ago
Andrea and her friends love cake.Andrea has two cakes.each of her friends are going to eat 2/3 of a cake.How many servings of ca
bogdanovich [222]

Answer:

1/3 of each cake

Step-by-step explanation:

2/3 is more then 1/2

4 0
1 year ago
Read 2 more answers
What is the positive solution of x square minus 36 equals 5x
777dan777 [17]
Answer:

<span>⇒x=9</span> (positive solution)

Explanation:

<span><span>x2</span>−36=5x</span>

<span>→<span>x2</span>−36−5x=0</span>

Factor the expression:

We get:

<span><span>(x−9)</span><span>(x+4)</span>=0</span>

First solution:

<span>⇒<span>(x−9)</span>=<span>0<span>x+4</span></span></span>

<span>⇒<span>(x−9)</span>=0</span>

<span>⇒x=<span>9</span></span>

3 0
3 years ago
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