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liberstina [14]
3 years ago
15

PLEASE HELP ME!

Mathematics
1 answer:
lawyer [7]3 years ago
6 0
At the beining, he has 76
that is at x=0
y=mx+76

find m
given
when x=2, y=100
find m

100=2m+76
minus 76 both sides
24=2m
divide both sides by 2
12=m

the equatin is

y=12x+76
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8 + 5 x (11 - 5) - 9<br> Please help me
Natali [406]

I got 60 as my answer

you ALWAYS do your parentheses first

then you do 8+5 and that equals 13•6-9

13 times 6 is 78. then you subtract 9 which will leave you with 60. hope that helped ☺️

7 0
3 years ago
Read 2 more answers
Which equation finds the area of a square with a side length of 5n4 units?
AnnyKZ [126]

Answer:

25n^8

Step-by-step explanation:

Area of a square is length×length

Length=5n^4

Area=5n^4×5n^4

=(5×5)(n^4+4)

=(25)(n^8)

=25n^8

So the area of a square is 25n^8

6 0
3 years ago
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I have 97 pieces of candy that I would like to put into plastic Easter eggs to hide for my kids.
Svetach [21]

Answer:

17 blue eggs and 23 purple

Step-by-step explanation:

what we do is very simple

2 eggs one of each = 5

Then we distribute 97  

b = (90/2 + 1 + 1) /3        p = (90/2 + 1) /2  

b = 47/2                          p= 46 /2

b = 17                              p = 23

3 0
3 years ago
A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd scores a 55 on the test. Select the answer
Jlenok [28]

Answer:

Todd's Z-score is - 0.27    

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Step(i)</em></u>:-

Given data A test is normally distributed with a mean of 70 and a standard deviation of 10.

<em>Mean of the population 'μ' = 70 </em>

<em>Standard deviation of the Population ' σ ' = 10</em>

<em>let 'x' be the random variable in normally distributed</em>

<u><em>Step(ii)</em></u>:-

<em>Given raw score  'x' = 55</em>

Todd's Z-score

                      Z = \frac{x-mean}{S.D}

                     Z = \frac{55-70}{55}

                     Z = -0.27

<u><em>Final answer</em></u>:-

<em>Todd's Z-score is - 0.27        </em>            

6 0
3 years ago
Select the number sentence that illustrates the commutative property of addition.Select one of the options below as your answer:
AVprozaik [17]
The best answer for the question of what illustrates the commutative property of addition is letter c which is 22 + 11 = 11 + 22. Because the commutative property of addition states that a + b = b + a, thus the chosen answer is the best answer.
8 0
3 years ago
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