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loris [4]
3 years ago
15

What is the square root of

Mathematics
1 answer:
katrin2010 [14]3 years ago
7 0

Answer:

13.42

Step-by-step explanation:

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Mia lives in a neighborhood that has many pets. The mean number of pets in the neighborhood is 7. House one has four pets, house
Nataliya [291]

Answer:

Mia has 5 pets

Step-by-step explanation:

Mean of pets=7

house 1 (4pets),house 2 (12 pets)

12 +4 +5=21

21÷3=7

3 0
3 years ago
Josue broke a cell sample into 12 batches, each weighing 6.9 x 10 ^-10
Klio2033 [76]

Using proportions, it is found that the original sample weighed 8.28 \times 10^{-9} grams.

  • This question is solved by <em>proportions</em>, using a rule of three.
  • The weight of 1 batch, in grams, is of 6.9 \times 10^{-10}. How much do the sample of 12 batches weigh?

The rule of three is:

1 batch - 6.9 \times 10^{-10} grams.

12 batches - x grams

Applying cross multiplication:

x = 12 \times 6.9 \times 10^{-10} = 82.8 \times 10^{-10}

Applying scientific notation:

8.28 \times 10^{-9}

The original sample weighed 8.28 \times 10^{-9} grams.

You can learn more about proportions at brainly.com/question/24372153

5 0
3 years ago
Read 2 more answers
What is 3 2/5 as a improper fraction
s344n2d4d5 [400]
The answer is 17/5. You have to take the whole number, multiply that by the denominator. Then add that number to the numerator to get the new numerator and the denominator stays the same as before (5)
5 0
3 years ago
Read 2 more answers
Plz do this ill mark brainly​
matrenka [14]

Answer:

3. markup: $150

selling price: $300

4. markup: $19.20

selling price: $67.20

5. markup: $55

selling price: $165

6. markup: $90

selling price: $450

7. markup: $3.75

selling price: $16.25

8. markup: $7.14

selling price: $27.54

Step-by-step explanation:

To find the markup of an item you multiply the initial value of the item by the percentage it's being marked up by. To find the selling price, you add the markup to the initial value. Let's use question 3 as an example:

3. The recliner is being marked up by 100%. To find the markup, we can convert 100% into decimal form and then multiply it by the initial value 150:

100% = 1

150 * 1 = 150

The markup is 150.

To find the selling price we add the markup to the initial value:

150 + 150 = 300

The selling price is 300.

I applied this method to all of the questions.

8 0
3 years ago
2y = x + 3 5y = x - 7 What is the solution set of the given system? {(-1/3, -4/3)} {(1/3, 4/3)} {(-29/3, -10/3)} {(29/3, 10/3)}
dolphi86 [110]
I hope it cleared your doubt.

5 0
3 years ago
Read 2 more answers
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