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rodikova [14]
2 years ago
12

help? 8th grade work. Find the slope and the y -intercept of the graph of y= -2x +1. The slope is The y -intercept is​

Mathematics
1 answer:
grandymaker [24]2 years ago
4 0

Answer:

Slope: -2

Y-Intercept: (0,1)

Step-by-step explanation:

The slope would be m. In this case our m is -2, so our slope is -2.

For the y-intercept, you just look at the constant. So our constant is 1, so the y-intercept is (0,1)

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You build a seahorse hotel that’s 6 inches wide and 12 inches tall. It has a volume of 864 cubic inches. What is the hotel’s len
blondinia [14]

Answer:

864/(6*12)

864/72

12 = l

4 0
2 years ago
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which property is shown? 20×5×6=20×6×5 A commutative property B distibutivr C associative property or D none of these are correc
Contact [7]

A: communicative property, it is this because communicative property allows you to switch around the order.

5 0
3 years ago
An arch is in the shape of a parabola. It has a span of 100 feet and a maximum height of 25 ft.
faltersainse [42]

Answer:

y=-\frac{1}{100}(x-50)^2+25

the height of the arch 10 feet from the center is 24 feet

Step-by-step explanation:

An arch is in the shape of a parabola. It has a span of 100 feet, the vertex lies at the center 50 and the maximum height of 25 ft.

Vertex at (50,25)

vertex form of the equation is

y=a(x-h)^2+k, (h,k) is the center

y=a(x-50)^2+25

the parabola starts at (0,0) that is (x,y)

0=a(0-50)^2+25

subtract 25 from both sides

-25=a(-50)^2

-25=a(2500)

divide both sides by 2500

a=-\frac{1}{100}

y=-\frac{1}{100}(x-50)^2+25

the height of the arch 10 feet from the center.

center is at 50, 10 feet from the center so x=40 and x=60

y=-\frac{1}{100}(40-50)^2+25

y=24

the height of the arch 10 feet from the center is 24 feet

4 0
3 years ago
A line with a slope of 5 passes through the points (3,8).which of the following is the value of the y-intercept
alexira [117]

Answer:

-7

Step-by-step explanation:

7 0
3 years ago
What is the slope-intercept form of this equation 3x+9y=18
irina [24]

y = mx + b

m: slope

b: y-intercept

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

3x + 9y = 18

-3x            -3x

9y = -3x + 18

/9           /9

y = -3/9x + 2   OR  y = -1/3 + 2

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

m = -3/9 OR -1/3

b = 2

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

PLEASE RATE AS THE BRAINLIEST ANSWER! THANK YOU! :)

6 0
3 years ago
Read 2 more answers
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