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lana66690 [7]
3 years ago
5

Which is the same as adding a number to itself?

Mathematics
1 answer:
tankabanditka [31]3 years ago
4 0

Answer:

Multiplication with 2.

Step-by-step explanation:

In this question, we have to find the operation which is equivalent to adding a number to itself.

The operation is multiplication with 2.

If a number is multiplied with 2, then the operation is equivalent to adding a number to itself.

For example, if you multiply the number x with 2, the result is 2x and again if you add x with x, you will get the same result as 2x. (Answer)

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Paul baked 56 blueberry muffins. His brother Pete ate 7 muffins and his father William ate 5 muffins. Which expression can Paul
Natasha_Volkova [10]

Answer: 56-(7+5)

Step-by-step explanation:

You can find the amount of muffins left over by adding up the amount of muffins that were eaten and subtracting them from the original amount of blueberry muffins, so the answer is 56-(7+5).

(7+5 is in parentheses because if not, you would have 56-7+5 and get 54).

4 0
3 years ago
The market sells 1 dozen bagels
PIT_PIT [208]

Answer:

market

Step-by-step explanation:

<u>Market</u>

1 dozen bagels = 12 bagels

⇒ Cost per bagel = $7.00 ÷ 12 = $0.58 (nearest cent)

<u>Bagel shop</u>

Cost per bagel = $0.60

As  $0.58 < $0.60 the market is a better buy

3 0
2 years ago
A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t
uranmaximum [27]

Answer:

The degrees of freedom associated with this problem are 16.

Step-by-step explanation:

The degrees of freedom associated with a problem, independent of the confidence level, is the sample size subtracted by 1.

In this problem, we have that:

She takes a random sample of 17 trucks, so the sample size is 17.

This means that the degrees of freedom associated with this problem are 16.

4 0
3 years ago
Klara makes a salad from the salad bar at the supermarket. It cost $6.29. She pays with a $10 bill. How much change does she get
Alex

Answer:

<em>$3.71</em>

Step-by-step explanation:

You need to subtract $10.00 - $6.29


       10.00

 -      6.29

---------------

         3.71

Answer: $3.71

6 0
3 years ago
Consider the following polynomials (x+3)(x+9)(x-6) = 0.Which of the following are zeros of the function?
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The solutions are:
-9, -3, 6, 
3 0
3 years ago
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