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Brums [2.3K]
3 years ago
10

How can you use estimation to find 9 1/2+9 1/2+ 9 1/2+ 9 1/2

Mathematics
1 answer:
DIA [1.3K]3 years ago
3 0
Well, if 9 1/2+9 1/2 is 19. then 19 plus 19 is 38
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Dmitrij [34]

The sum of any two rational numbers is a rational number. 0.166, 2/3, and 2 are all rational numbers, so adding them to 1/3 will produce another rational number.

That leaves 2π, an irrational number. The sum of a rational number and an irrational number is always irrational, so 2π will produce an irrational number when added to 1/3.

3 0
3 years ago
PLEAAEEEEEE HELP! CORRECT ANSWER GETS BRAINLIEST URGET!!
Georgia [21]

Answer:

Graph F

Step-by-step explanation:

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Since x is less than 4 then this is indicated by an open circle at 4 on the number line with the arrow pointing to the left as shown on graph F

4 0
3 years ago
Jose's school spent $1284 on 9 sticksof memory and a new hard drive. The hard drive cost $168. Which is the reasonable estimate
myrzilka [38]
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4 0
4 years ago
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melisa1 [442]

Answer:

The answer to your question will be

<h2>-7</h2>

Step-by-step explanation:

If you would like the steps, I will provide them as requested.

7 0
3 years ago
Find the area of the figure. Use 3.14 for 77.
Alecsey [184]

Answer:

C 70.26 in2

Step-by-step explanation:

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2 years ago
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