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AveGali [126]
3 years ago
11

Find the unit rate.

Mathematics
1 answer:
Nuetrik [128]3 years ago
8 0

Answer: 40 per square mile

Step-by-step explanation: 800/20

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What is the sum of the arithmetic sequence 151, 137, 123,..if there are 26 terms?
ElenaW [278]
First term: a1 = 151
common difference: d = -14 (we decrease by 14 each time, eg, 151-14 = 137)

nth term of this arithmetic sequence is...
an = a1+d(n-1)
an = 151+(-14)(n-1)
an = 151-14n+14
an = -14n+165

This will be used in the formula below

Sn = n*(a1+an)/2
<span>Sn = n*(151+(-14n+165))/2
</span><span>S26 = 26*(151+(-14*26+165))/2 ... replace every n with 26
</span>S26 = -624

The final answer here is choice C) -624
<span>
</span>
5 0
3 years ago
Find the slope and the y intercept.<br> Then use them to graph the line.
Margarita [4]

Answer:

The photo above show you how to graph it.

The equation is y=2x-3

Step-by-step explanation:

Hope this helped

7 0
2 years ago
Nancy put 80 acorns in her backyard. Then, she made a graph of how many acorns different types of squirrels
Karolina [17]

Answer:

  16

Step-by-step explanation:

If we take the partial image to be 1/2 of a full image, then there are a total of

  5 1/2 + 2 + 6 + 2 1/2 = 16

acorn images on the graph. Each image represents 4 acorns, so a total of ...

  4 × 16 = 64

acorns are represented on the graph. Since these are ones the squirrels ate, the remaining 80 -64 = 16 acorns were left uneaten.

6 0
3 years ago
Identify the terms, coefficients, and constants in the expression.
valina [46]

Step-by-step explanation:

7 is the coeffiecient

3 is the constant

7 0
3 years ago
Susan is buying supplies for a party if spoons only come in one bag of 8 and forks only come in one bag of 6 what is the least n
denis23 [38]
Well you have to find the lest common factor
8 times 6
6 times 8
They both equal 48 so it would be the vise versa
6 0
3 years ago
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