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Anni [7]
3 years ago
12

Please help :30 points ​

Mathematics
2 answers:
Yuliya22 [10]3 years ago
5 0

add up all the numbers, then divide by how many numbers there are.

7nadin3 [17]3 years ago
3 0

Answer:

1520

Step-by-step explanation:

143+227+200+550+400=1520 pounds

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Is the following relation a function?
evablogger [386]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
Estimate the sum of 1/8+1/4
stealth61 [152]
The answer is 0.375 because 1/8=0.125 and 1/4=0.25 so you add the both of them and you get 0.375
3 0
3 years ago
Read 2 more answers
Find each difference and show work please !!
Ede4ka [16]

Answer:

X-19

Step-by-step explanation:

First you need to distribute the three into the numbers in the parenthesis,

(3 * x) + (3  * -5) - (2x + 4)

That then turns into,

3x - 15 - (2x + 4)

but we aren't done distributing yet, because the second set of parenthesis has a negative sign in front of it we also have to distribute that. (this is because the negative sign is really just -1)

3x - 15 + (-1 * 2x) + (-1 * 4)

that turns into,

3x - 15 - 2x -4

from here all we have to do is add like terms,

(3x - 2x) + (-15 + -4)

and that leaves us with: 1x -19 or x-19

Hope that helped :))  

4 0
2 years ago
If A = 8! and B = 8P8, then which one of the following is true:
meriva

Answer:

A. A = B

Step-by-step explanation:

Given

A = 8!

B = ^8P_8

Required

Which of the options is true

We start by simplifying B = ^8P_8

Permutation is calculated as follows

^nP_r = \frac{n!}{(n - r)!}

So.

^8P_8 =\frac{8!}{(8 - 8)!}

^8P_8 =\frac{8!}{0!}

0! = 1; So

^8P_8 =\frac{8!}{1}

^8P_8 =8!

Hence. B! = P!

<em>This implies that </em>A = B = 8!<em />

4 0
3 years ago
A.<br> x = 40<br> c.<br> x = 20<br> b.<br> x = 10<br> d.<br> x = 15
velikii [3]

Answer:

B

Step-by-step explanation:

Multiply x/20 each side

6 0
3 years ago
Read 2 more answers
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