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2 years ago

7

3x+4y=8 what equation can compare

1 answer:

velikii [3]2 years ago

3 0

Okay First,
Start with the given equation <span>Subtract  from both sides
Rearrange the equation
Divide both sides by
Break up the fraction
Reduce
Looking at  we can see that the equation is in slope-intercept form  where the slope is  and the y-intercept is  Since  this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis
</span>

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Find the image of (−3, 8) after a 270∘ rotation counterclockwise about the origin.

katrin [286]

Answer:

(8, 3)

Step-by-step explanation:

For a 270° rotation, the rule is that (x, y) turns into (y, -x)

In (-3, 8), -3 represents x and 8 represents y.

Our answer is then (y, -x), or (8, 3)

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2 years ago

What is the approximate volume of the small truck? length 11 1/3 ,width 7 5/12 ,height 6 3/4?

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3 years ago

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Veronika [31]

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3 years ago

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Tcecarenko [31]

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2 years ago

A square pyramid has a base length of 4 inches. The height of each triangular face is 12 inches. What is the surface area of the

Wittaler [7]

Answer:

The surface area of the given pyramid is 112 $inches^{2}$ .

Step-by-step explanation:

Base length of the pyramid = 4 inches

Area of the base = $length^{2}$

= $4^{2}$

= 16

Area of its base = 16 $inches^{2}$

Area of one of its triangular surface = $\frac{1}{2}$ x base x height

= $\frac{1}{2}$ x 4 x 12

= 2 x 12

= 24 $inches^{2}$

Area of all its four triangular surfaces = 4 x 24

= 96 $inches^{2}$

surface area of the pyramid = sum of areas of all its surfaces

= 16 + 96

= 112 $inches^{2}$

The surface area of the given pyramid is 112 $inches^{2}$ .

8 0

2 years ago