Equation that represents the line that passes through the point (-2,-1) and has a slope of 5

Answers

Answer 1

Answer: Straight line:
y = mx + c
m is the slope of the graph and c is the y-intercept
In this case, m = 5 as stated in the question, so...
y = 5x + c
By substituting the given co-ordinates (-2,-1) into this equation, we can find c
-1 = 5(-2) + c
-1 = -10 + c
-1 + 10 = -10 + c + 10 (Add 10 to both sides)
9 = c
c = 9
Put c = 9 into the equation:
y = 5x + 9

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Quadrilateral QRST is a square. If TR = 50 and PT = 8x + 2, then find the value

Answers

x = 6

8(6) + 2 → 48 + 2

48 + 2 = 50

Find the positive sqaure roots up to 3 decimals
i) 1+(0.046)2

Answers

Step-by-step explanation:

1+0.092= 1.0922) 1+0.042= 1.042

Answer:

1+0.092= 1.0922) 1+0.042= 1.042

Step-by-step explanation:

it is the explanation 1+0.092= 1.0922) 1+0.042= 1.042

The average reading score on a certain test is given by y=0.150x +255.34 where x is the number of years past 1970 . In what year would the average reading score be 259.24 if this model was accurate

Answers

Answer:

The average was 259.24 in 1996.

Step-by-step explanation:

In order to find the year that the average, "y", is 259.24 we need to apply this value on the given expression, as done below:

$259.24 = 0.15*x + 255.34\n0.15*x = 259.24 - 255.34\n0.15*x =3.9\nx = (3.9)/(0.15)\nx = 26$

The average was 259.24 after 26 years, therefore it was in 1996.

Negative 12 minus 4

Answers

-12-4
Subtracting negative numbers is like adding the opposite.
s0 -12+-4, that equals. -16

-12-4 = -12 + -4
-12-4 = -16

Find the rate that would be better to solve the problem. A sunflower grows 28 cm in 8 days.
How many centimeters will it grow in 12 days?
a. CM / day
b. days/CM

Answers

I think the correct answer would be A. cm to days, because to find the unit rate, you have to reduce

How to change 4.1 into a decimal?

Answers

Well you can't change 4.1 into a decimal because it's already a decimal with a decimal point included in it, so there's really no point of asking that question when you've already done it yourself! Just wanted to notify you on that point.

You can't change it to a decimal because it is already a decimal.

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