2 years ago

If y-value decreases each time the x-value increses by 1, what is the slope of the line?

Mathematics

1 answer:

valkas [14]2 years ago

3 0

Answer:

Slope = -1

Step-by-step explanation:

If y value decreases...and then x increases...then 1/-1 which is = to -1.

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Solve the equation <br> -7 (8a - 9 = - 23 + 4a

Vikentia [17]

Answer:

a = 43 / 30

Step-by-step explanation:

-7 ( 8a -9 ) = -23 + 4a

-56a + 63 = -23 +4a

-60a + 63 = -23

-60a = -86

a = 43 / 30

3 0

3 years ago

Circle A has an area of 500 in? The diameter of circle B is three times the diameter of circle A. Estimate the area of circle B.

Monica [59]

Step-by-step explanation:

circle has an area of 500 inches if we multiply it by 3 we get 1500 inches

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3 years ago

Which two numbers multiply to 60 and add to -2?

USPshnik [31]

$xy=60\\
x+y=-2\\\\
xy=60\\
x=-y-2\\\\
(-y-2)y=60\\
-y^2-2y-60=0\\
y^2+2y+60=0\\
y^2+2y+1+59=0\\
(y+1)^2=-59
$

There are no such numbers in real numbers.
Do you perhaps want a solution in complex numbers?

8 0

3 years ago

Allison can work up to 35 hours per week. if she works 5 1/2 hours Monday, 6 hours on Tuesday, and 7 3/4 hours on Wednesday, how

Anna71 [15]

Answer:

15 3/4

Step-by-step explanation:

this is simple addition and subtraction

5 0

3 years ago

The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter

inn [45]

Answer:

60ft

Step-by-step explanation:

I have not done this kind of work in a while but if you scale each side of the square by 6 is should increase to a perimeter of 60ft

4 0

3 years ago