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alexdok [17]
2 years ago
5

Please help me with sum​

Mathematics
1 answer:
krok68 [10]2 years ago
7 0

Step-by-step explanation:

39 x 9 = 351

16 x 8 = 128

36 x 3 = 108

28 x 4 = 112

79 x 6 = 474

15 x 3 = 45

28 x 4 = 112

12 x 7 = 84

38 x 2 = 76

95 x 3 = 285

----------------------©--------------------©--------------------_

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Oakland Middle school has 128 6th graders, 121 7th graders and 135 8th graders. If there are 3 teachers per 32 students, how man
zepelin [54]

Answer:

36 Teachers in Total

Step-by-step explanation:

I would use Ratio.

Students: 128 + 121 + 135 = 384 total students

Teachers: Students

3 : 32

36 : 384

384 ÷ 32 = 12

12 x 3 = 36

6 0
3 years ago
What’s the value of y?
xenn [34]

Answer:

c. 19

Step-by-step explanation:

This model is describing a function. You put in a number for x, in this case, the input of 7 on the side. You solve the equation with that x-value to get a y-value/output.

x=7

y=3x-2

y=3(7)-2

y=21-2

y=19

7 0
3 years ago
31<br>Write as a mixed number.<br>Give your answer in its simplest form.​
makvit [3.9K]
Six divided by five maybe and add a 1
4 0
2 years ago
What is an equation in slope-intercept form of the line that passes through the points (−2, −2) and (1, 7)? A.y = 4x + 3 B.y − 7
antoniya [11.8K]

Answer:

C.y = 3x + 4

Step-by-step explanation:

We have two points, so we can find the slope

m = (y2-y1)/ (x2-x1)

   = (7--2)/ (1--2)

   = (7+2)/(1+2)

    = 9/3

    =3

The slope is 3

We can find the point slope form of the line

y-y1 = m(x-x1)

y-7 = 3(x-1)

Distribute

y-7 =3x-3

Add 7 to each side

y-7+7 = 3x-3+7

y = 3x+4

This is in slope intercept form (y=mx+b)

8 0
3 years ago
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Jeff can travel 2 miles in one hour
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3 years ago
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