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Snezhnost [94]
3 years ago
9

HELPPPP THIS SO HARD

Mathematics
1 answer:
mash [69]3 years ago
7 0
I’m not fully sure but I think it’s D
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During the first four months of the year, Jack earned $1270, $1150, $870 and $1450 If Jack must have an average salary of at lea
tia_tia [17]

Answer:

1010

Step-by-step explanation:

There are a whole class of questions that rely on the method to this one.

First add up what you know

1270 + 1150 + 870 + 1450 = 4740

Now add on the 5th month (which you don't know. Call it x)

4740 + x

Divide by 5

(4740 + x)/5 = 1150 and that is your equation    

Solution

Multiply both sides by 5

5*(4740 + x) / 5 = 1150 * 5

4740 + x = 5750

Subtract 4740 from both sides

4740 - 4740 + x = 5750 - 4740

x = 1010

Which seems kind of low, but that's what the numbers come to.

6 0
3 years ago
Find the arc length of the semicircle. Either enter an exact answer in terms of π or use 3.14 for π and enter your answer as a d
inna [77]

Answer:

hope this helps you

7 0
3 years ago
Five students wrote a quiz with the maximum score of 50. The scores of four of the students are 42,43,46 and 49. The score of th
jeka94

Answer:

45

Step-by-step explanation:

avg=42+43+46+49/4

avg=180/4

n=45

4 0
2 years ago
Graph: y - 3 = 1/2 (x + 2)
11Alexandr11 [23.1K]

Answer:

Slope: \frac{1}{2}

Y-intercept: (0,4)

Step-by-step explanation:

Put the equation into y = mx + b form, which is y = \frac{1}{2} +4. Then create a table.

X: -2, -1, 0, 1, 2

Y: 3, \frac{7}{2}, 4, \frac{9}{2}, 5

6 0
3 years ago
A gardener is putting a fence along his garden to keep animals from eating his plants if he has 20 meters of fence what is the l
Ad libitum [116K]
Perimeter of Rectangle = 2W + 2L

20 = 2W + 2L = 4 sides
20/4 = 5
5' × 5'
6 0
3 years ago
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