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blagie [28]
2 years ago
14

What is the best estimate of 687 × 391? 280,000 210,000 240,000 180,000

Mathematics
2 answers:
ra1l [238]2 years ago
7 0

Answer:

Step-by-step explanation:

Estimating a sum by rounding to get the best estimate is the goal of this lesson. Notice that we try to estimate. We don't need to have an exact answer!

Notice that for numbers with two digits, there can only be one estimate because you can only round to the tens place.

Estimate the following sums: 36 + 21, 74 + 15, and 85 + 24

36 + 21 = 40 + 20 = 60

74 + 15 = 70 + 20 = 90

Colt1911 [192]2 years ago
3 0

Answer:

I used a calculator but the answer I got was different so I'ma say A

Step-by-step explanation:

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travel earns $25 a day working afther school at the supermarket. how much money will he earn in d days​
hichkok12 [17]

Answer:

Hi!

Your answer is:

25d

Since we aren't aware of how many days he is working, we substitute a variable (d) in for it!

I hope this helps!

4 0
3 years ago
6. What are the extremes of the following proportion?<br> 3/5 = 12%
GuDViN [60]

3/5 = 12/100

3/5 = 3/25

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solution false

6 0
3 years ago
What’s the answer for this question that’s in the picture below
Annette [7]

The answer is 140.

For every 4 toys the price increases by 20. If you divide, we find that every toy is worth 5. For example, if the amount of toys increases by 10, then the cost increases by 50. Since 20 is the closest given example being only 10 toys away, you can just add 50 onto the cost of the toys to get 140.

8 0
3 years ago
In the standard (x, y) coordinate plane, if the x-coordinate of each point is 2 times the y-coordinate, what is the slope of the
aleksklad [387]

Answer:

the slope is 1/2

Work:

if the x-coordinate is two times the y-coordinate, that means you are going up one over two each time

slope= y2-y1/x2-x1

so you can pick two points, like (2, 1) and (4,2) and use the formula

slope= 2-1/4-2= 1/2

8 0
3 years ago
Luis has 3 pounds of ground turkey to make turkey burgers. He uses 3/8 pound per burger to make 6 burgers. How many 1/4 pound bu
nevsk [136]

Answer:

He can make 3 quarter pound burgers

Step-by-step explanation:

3/8 x 6 is 2 1/4

so there is 3/4 left

7 0
2 years ago
Read 2 more answers
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