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RoseWind [281]
3 years ago
5

Estimate 20+(-3.05)+(-9.8)

Mathematics
2 answers:
Gnom [1K]3 years ago
6 0
The answer is roughly 13.
schepotkina [342]3 years ago
4 0
The answer is close to 7.15
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Add up the answer first to see of these correct or incorrect, if incorrect explain why it is not equal.
Stells [14]

Answer:

1) incorrect

2) incorrect

Step-by-step explanation:

-2x-2x = 0 ?

-2x -2x = -4x

It will be 0 only if x = 0.

Not always true, so incorrect

x+x = x² ?

2x = x²

They will be equal if x = 0 or 2.

Not always true so incorrect

8 0
3 years ago
1. Find the slope of the line.<br><br> 2. Find the rate of change.
d1i1m1o1n [39]

Answer:

the slope of the line is 2 over 1 which means the answer is 2

the rate of change is c

To find the slope of the line you have to go rise over run.

to find the rate of change you have to see how much does the numbers in y go by.

8 0
3 years ago
45+72=5(5+9)
Nastasia [14]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
What is the sum of the given values to the correct level of precision? 7.45 ft 10.629 ft +0.3 ft
tensa zangetsu [6.8K]

What is the sum of the given values to the correct level of precision? 7.45 ft + 10.629 ft +0.3 ft

Answer: The sum of the given values is:

7.45 ft+10.629ft+0.3ft =18.379 ft

Therefore, the sum of the given values is 18.4 ft






8 0
2 years ago
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Which of the following numbers is a perfect square?<br><br> 1 489<br> 2 485<br> 3 490<br> 4 484
nataly862011 [7]

Answer:

3490 is the perfect square

5 0
2 years ago
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