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nikitadnepr [17]
3 years ago
12

Help meeeeee with number 1 and 2 pls

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
5 0

Step-by-step explanation:

8x + 40

-6m -18

just expand the expression

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D) g(x)=e^x-1 -3
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How much is 5 cups in fluid ounces
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2 years ago
Read 2 more answers
Find the mean absolute deviation of the set of data 3,8,10,12,15
inn [45]

Answer:

3.28

Step-by-step explanation:

find the mean of all the numbers

3 + 8 + 10 + 12 + 15 = 48

48/5=9.6

so the mean of all the numbers is 9.6

now subtract 9.6 from all the numbers

|3 - 9.6| = 6.6

|8 - 9.6| = 1.6

|10 - 9.6| = .4

|12 - 9.6| = 2.4

|15 - 9.6| = 5.4

Find the mean/average of the new values

6.6 + 1.6 + .4 + 2.4 + 5.4 = 16.4

16.4/5  = 3.28

6 0
3 years ago
The ravens scored 1 touchdown and an extra point . how many total points did they score
ch4aika [34]
The ravens scored 7 points
8 0
2 years ago
I need to solve these two equations using either substitution or elimination
vitfil [10]

Answer:

y = -15

x = -10

Step-by-step explanation:

1/4x - 1/2 = 5 (1)

3x + 2/3y = -40 (2)

Multiply (1) by 4

1/4x - 1/2 = 5

1/4x * 4 - 1/2y * 4 = 5 * 4

4/4x - 4/2y = 20

x - 2y = 20 (3)

Multiply (2) by 3

3x + 2/3y = -40 (2)

3x * 3 + 2/3y * 3 = -40 * 3

9x + 6/3y = -120

9x + 2y = -120 (4)

x - 2y = 20 (3)

9x + 2y = -120 (4)

Using elimination method, Add (3) and (4)

9x + x = -120 + 20

10x = -100

x = -100/10

x = -10

Substitute x = -10 into (3)

x - 2y = 20 (3)

-10 - 2y = 20

-2y = 20 + 10

-2y = 30

y = 30/-2

y = -15

y = -15

x = -10

8 0
3 years ago
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