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STALIN [3.7K]
3 years ago
8

For which of the following is x = -5 a solution? Select all that apply.

Mathematics
1 answer:
pantera1 [17]3 years ago
7 0

Answer:

-x2 + 50 = 25

5x<0

2x <10

Step-by-step explanation:

I hope the answer satisfies you

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Median math question
Feliz [49]

Answer:

27

Step-by-step explanation:

25,16,21,30

Put the numbers in order from smallest to largest

16,21,25,30

The median is the middle and the median is 25  so the new number must be 25 or larger

The only number on the the list that is 25 or largest is 27

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3 years ago
Express 3.8 × 10^19 in scientific and calculator notation
hammer [34]
38000000000000000000
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If 1 inch on a map represents 20 miles, what is the mileage represented by 2.5 inches?
SOVA2 [1]

Answer:

50 miles(D)

Step-by-step explanation:

20 x 2.5

5 0
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vivado [14]

Answer:

Step-by-step explanation:

A. 4.2E6 because when putting a number into scientific notation, you would want one number in front of the decimal place and then the trailing numbers would follow. The exponent or E stand for how many numbers are after the decimal, which in this case would be 6.  

4,200,000 → 4.2 x 10^6 which is equal to saying 4.2E6

Tip: If the exponent is negative than the decimal would go in the opposite direction. For example:

4,200,000 → 4.2 x 10^-6 would not equal each other because 4.2 x 10^-6 means 0.000004, six numbers would be behind the decimal.

8 0
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