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alexgriva [62]
3 years ago
14

Complete the comparison: 3 + 7 > ? A. 8 + 2 B. 10 − 2 C. 7 + 3 D. 9 + 4

Mathematics
1 answer:
Dafna1 [17]3 years ago
5 0
3 + 7 > 10 - 2
10 > 8...correct
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How far from 0 is -6
Finger [1]
-6 numbers away from 0 hope this helped
8 0
3 years ago
Suppose you want to create a set of weights so that any object with an integer weight from 1 to 40 pounds can be balanced on a t
Archy [21]

Answer:

You need 4 weights, and the weights are 1; 3; 9 and 27.

Step-by-step explanation:

<em>Since the scale has two plates, we can place weights on either side and also the object so it can be balanced. </em>

This is a key part of the problem, it's not only on the other side of the scale, but on both sides.

Let's do the math now.

If i get two weights, 1 and 3. I can form this combinations.

Object of 1lb = 1

Object of 2lb + 1 weight = 3 weight.

Object of 3lb = 3 weight

Object of 4lb = 1 weight + 3 weight.

So what if i want to add the next weight and that weight to add me the maximum amount of objects. The weight would have to have a difference with the last object plus one. So if i grab 9. 9 minus 4 is 5. And that is a difference with the last object plus 1.

With a weight of 9, now i can add all the integers up to 13lb.

And the next step? Lets add one more. Keeping the last rule, the weight would have to have a difference with the last object plus one. So if i grab 27, 27 minus 13 is 14. And that is a difference witht the last object plus 1.

The sum of all the weights adds up to 40 pounds. And i can balance any integer in the middle.

The formula we are using is p – n = n + 1

Where p is the new weight. and n is the last object we weighted. And the sum of the weights goes up to the last object we can place on the scale, and in this case is 40.

4 0
3 years ago
What is the measure of angle B in the triangle?
dexar [7]

Answer:

22°

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5 0
2 years ago
Tỷ lệ người dân nghiện thuốc lá ở một vùng là 30%. Biết rằng tỷ lệngười bị viêm họng trong số những người nghiện thuốc lá là 60%
Alexxx [7]

Answer:

ask in English then I can help

7 0
3 years ago
Suppose you discover that your growth fund, income fund, and money market fund return
Alik [6]

Answer:−3+3=−4

2+3−=15

4−3−=19

2 3

Step 1: Pair the equations to eliminate y because the y terms are already additive inverses

1

−3+3=−4

2+3−=15

2

2+3−=15

4−3−=19

2 3 4

3 =11

5

6 −2=34

Step 2: Write the two new equations

as a system

Step 3: Substitute the value for x and z

into one of the original equations

3 =11

3 5 +2=11

4

5−3+3 −2 =−4

15+2=11

5

6 −2=34

5−3−6=−4

−3−1=−4

9x

2=−4

=−2

= 45

x = 5

−3=−3

=1

The solution (5, 1, -2)

Step-by-step explanation:

3 0
3 years ago
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