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m_a_m_a [10]
3 years ago
15

Plastic storage bins are designed so they can be nested. Four 10-gallon bins stacked together measure 26 inches high, and 9 stac

ked bins measure 41 inches high. Write an equation in the form y = mx + b to describe the relationship between x, the number of nested bins, and y, the height of the stack
Mathematics
1 answer:
bixtya [17]3 years ago
6 0
First, you need to know the coordinates of the points:

If x is 9 stacked bins to the y of 41 inches, the first point is (9,41)
From there, you can determine the other point: (4,26)

Find the slope by subtraction using the formula: y2-y1/x2-x1

(41-26)/(9-4)
15/5
slope is 3

y=3x+b

To find b, substitute one point into the equation. I will use (4,26)

26=3(4)+b
26=12+b
-12  -12

b=14

Your final equation is:
y=3x + 14

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What is the slope intercept form of equation 4x+2y=6
earnstyle [38]
4(4)+ 2(-5) = 6
16+ (-10) = 6
8 0
3 years ago
Consider each equation. is it the equation of the line that is parallel or perpendicular to y=3x+2? Select yes or no for a-c
Mkey [24]

Answer:

see explanation

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x + 2 is in this form with slope m = 3

• Parallel lines have equal slope

• The slopes of perpendicular lines are negative reciprocals of each other

A

y = - \frac{1}{3} x - 8 has slope m = - \frac{1}{3}

3 and - \frac{1}{3} are negative reciprocals

This line is perpendicular to y = 3x + 2

B

y = 3x - 10 has slope m = 3

This line is parallel to y = 3x + 2

C

y = 2x + 4 has slope m = 2

This line is neither parallel nor perpendicular to y = 3x + 2


5 0
3 years ago
What number times it self equals 42
postnew [5]
I wanna say 7 and 6 but I'm probably wrong
7 0
3 years ago
Hurry please, 20 points
nekit [7.7K]

Answer:

Step-by-step explanation:

Parallel slope = -8

Perpendicular slope = 1/8

5 0
3 years ago
Read 2 more answers
Math question please help<br> If you get this right I will mark you as a brainliest
Phoenix [80]

That's an easy parallelogram, parallel to the x axis. Let's label the points

A(-4,-1),B(-2,4),C(4,4),D(2,-1)

AD and BC are the sides parallel to the x axis. We'll call those the base, it has length 4 - -2 = 6.

The height is the change in y between the bases, so 4 - -1 = 5.

The area is base times height, 6 × 5 = 30

Answer: 30

The shoelace formula gives us the area of a polygon from 2D coordinates without worrying about the shape:

(-4,-1),(-2,4),(4,4),(2,-1)

(-2,4),(4,4),(2,-1),(-4,-1)

A = \frac 1 2 | -4(4) - (-1)(-2) + (-2)(4) - 4(4) + 4(-1) - 4(2) + 2(-1) - (-1)(-4) |

A = \frac 1 2 |-60| = 30 \quad \checkmark


4 0
3 years ago
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