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Bas_tet [7]
3 years ago
9

Using rounding or compatible numbers to estimate the sum of 63+71

Mathematics
1 answer:
guapka [62]3 years ago
5 0

130 would be the correct answer

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Joan had 198 dollars to spend on 9 books.After buying them she had 18 dollars. How much did each book cost?
Fed [463]
She spent 20 dollars on each book because if you subtract 18 from 198 you'll get 180 then you divide that by 9 n it leaves you with 20.
3 0
3 years ago
The angle of elevation from a soccer ball on the ground to the ground to the top of the goal 34 degrees. If the goal is 8 ft tal
GarryVolchara [31]
Check the picture below.

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6 0
3 years ago
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Estimate √97.5 / 1.96
evablogger [386]

Answer: 5


Step-by-step explanation:

 1. You have the following expression given in the problem above:

\frac{\sqrt{97.5}}{1.96}

2. You can estimate the result by rounding the numerator and the denominator.

3. As you can see, you can round up 97.5 to 100.

4. Then, you can round up 1.96 to 2.

5. Therefore, you have:

\frac{\sqrt{100}}{2}

\frac{10}{2}=5

6. Therefore, the result is 5.

3 0
2 years ago
43. Find the image of the point (1,2) when reflected<br>by the line x=-1​
dolphi86 [110]

Answer:

-3, 2

Step-by-step explanation:

4 0
3 years ago
Solve for the given time.
Fittoniya [83]

Answer:

45158

Step-by-step explanation:

Since the colony grows at a rate of 12%, after 2 years there will be 36000\cdot 1.12^2 = 45158.4 bacteria. Since you probably can't have part of a bacteria, you round to 45158.

5 0
2 years ago
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