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Thepotemich [5.8K]
3 years ago
13

Find the sum of 171+272 using compatible numbers

Mathematics
2 answers:
Gennadij [26K]3 years ago
6 0
The sum is 443 hope it helped
wlad13 [49]3 years ago
4 0
If u round 171, it would be 200
if u round 272, it would be 300
200 + 300 = 500

actual answer: 443
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4. Name the first five terms of the arithmetic sequence. a1 = -35, d=4​
eduard

Answer:

Step-by-step explanation:

We first have to write the equation for the sequence, then finding the first five terms will be easy. Follow the formatting:

a_n=a_1+d(n-1) and we are given enough info to fill in:

a_n=-35+4(n-1) and

a_n=-35+4n-4 and

a_n=-39+4n or in linear format:

a_n=4n-39 where n is the position of the number in the sequence. We already know the first term is -35.

The second term:

a_2=4(2)-39 so

a_2=8-39 and

a_2=-31

The third term:

a_3=4(3)-39 and

a_3=12-39 so

a_3=-27 and we could go on like this forever, but the nice thing about this is when we know the difference all we have to do is add it to each number to get to the next number.

That means that the fourth term will be -27 + 4 which is -23.

The fifth term then will be -23 + 4 which is -19. You can check yourself by filling in a 5 for n in the equation and solving:

a_5=4(5)-39 and

a_5=20-39 so

a_5=-19

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3 years ago
Find the greatest commen factor of 96 and 48
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48 is the greatest common factor
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How do you simplify (1-x-x^2-x^3)(1-x^4)?
Vlad1618 [11]

Answer:

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Step-by-step explanation:

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Tess plants flowers every year, and she noticed that her flowers tend to bloom earlier when the spring weather is warmer. She co
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Answer:

=17

Step-by-step explanation:

We need the slope and the y-intercept to find the equation of the linear model.

This line goes through (0,28) and (1,26), so the slope is

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1

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The equation that best describes this model is

\widehat{y} = -2x + 28

y

​  =−2x+28

Plug in x = 5.5 in the above equation to get

​\widehat{y}

y

​   ​=−2x+28

=(−2)(5.5)+28

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