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DENIUS [597]
4 years ago
5

Could Someone give me a run down of how these problems are done? i used a calculator to get the answers but now i want to know h

ow to do these on my own

Mathematics
1 answer:
morpeh [17]4 years ago
5 0
It’s just the same as if there were no decimal point. but if there isn’t a number in the quotient on the left of the decimal like #15, then you just place a 0 and continue to the next dividend which is 50.

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This table gives a few (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis pairs of a line in the coordinate plane. -28 -
Serhud [2]

Answer:

The y-intercept is y = 2

Step-by-step explanation:

A linear function has the following format:

y = mx + b

In which m is the slope and b is the y-intercept, which is the value of y when x = 0.

We are given these three points:

(-28, -54)

(-21, -40)

(-14, -26)

We use two of them to build a system, to find values for m and b.

(-28, -54)

This means that when x = -28, y = -54

So

y = mx + b

-54 = -28m + b

28m = b + 54

m = \frac{b + 54}{28}

(-21, -40)

This means that when x = -21, y = -40

So

y = mx + b

-40 = -21m + b

-40 = -21\frac{b + 54}{28} + b

-40 = \frac{-21b - 1134 + 28b}{28}

7b - 1134 = -40*28

7b = 14

b = \frac{14}{7}

b = 2

The y-intercept is y = 2

7 0
3 years ago
The rectangle below has an area of 2 + 11x + 28 square meters and a length of x + 7 meters.
Mkey [24]

Answer:

hello : 2x+4

Step-by-step explanation:

here is a solution :

7 0
3 years ago
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What is 7 to the 10 power
Over [174]
7 to the 10 power would be 70
5 0
3 years ago
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In January, a publishing house printed 15,000 mathematic textbooks and 3,768 mathematic textbooks unsold in July. How many mathe
lyudmila [28]

Answer:

Step-by-step explanation:

15000 - 3768

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7 0
3 years ago
I need help again...help??
Tasya [4]

Answer:

x ≥14

Closed circle at 14 line to the right

x≤3

closed circle at 3  line to the left

Step-by-step explanation:

(x-4)/5 ≥2

Multiply by 5

(x-4 )/5 *5 ≥2 *5

x-4 ≥10

Add 4 to each side

x-4+4≥10+4

x ≥14

Closed circle at 14 line to the right

3x-4 ≤5

Add 4 to each side

3x-4 +4≤5+4

3x  ≤9

Divide by 3

3x/3  ≤9/3

x≤3

closed circle at 3  line to the left

5 0
3 years ago
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