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2 years ago

Consider the line y=8x - 4.

Mathematics

1 answer:

Kamila [148]2 years ago

8 0

Answer:

Parallel - 8

Perpendicular - -1/8

Step-by-step explanation:

If a line is parallel to another then they have the same slope

If a line is perpendicular to another line then the slope is just flipped and so is the sign

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Mikaela placed a frame around a print that measures 10 inches by 10 inches. The area of just the frame itself is 69 square inche

olchik [2.2K]

Answer:

1.5 in

Step-by-step explanation:

Let x be the width of the frame.

Side of print=10 in

Area of frame=69 square in

We have to find the width of the frame.

Side of frame=10+x+x=10+2x

Area of square= $(side)^2$

By using the formula

Area of print= $10\times 10=100in^2$

Area of frame with print= $(10+2x)^2$

Area of frame=Area of frame with print-Area of print

$69=(10+2x)^2-100$

$(10+2x)^2=69+100=169$

$(10+2x)=\sqrt{169}=\pm 13$

$10+2x=13$

Because Side is always positive.

$2x=13-10=3$

$x=\frac{3}{2}=1.5$

Hence, width of frame=1.5 in

3 0

3 years ago

What is 3.341 to the nearest tenth.

Mumz [18]

3.341 to the nearest tenth is 3.3

3 0

3 years ago

Read 2 more answers

Enter the numbethat belongs in the green box.What does measure angle b equal?

gladu [14]

Angle B corresponds to angle D, therefore they are equal. To find Angle B's length, add the two known angle measures then subtract the sum from 180. (All angle measures in a triangle equal 180 when added)

32 + 41 = 73

180 - 73 = 107

<h3>Answer:</h3>

<u>Angle B = </u><u>107º </u>

hope this helps :)

4 0

3 years ago

A window shaped like a parallelogram has an area of 23 4/5 square feet. The height of the window is 2 4/5 feet. How long is the

USPshnik [31]

Answer:

base = 8 $\frac{1}{2}ft$

Step-by-step explanation:

The general formula for the area of a parallelogram is:

A = bh, where b = the length of the base and h = the height

Using the given values for area and height, we can solve for the missing variable of 'b':

23 $\frac{4}{5}=\frac{119}{5}$

2 $\frac{4}{5}=\frac{14}{5}$

$\frac{119}{5}=\frac{14}{5}h$

Multiply both sides by the reciprocal:

$(\frac{5}{14})(\frac{119}{5})=(\frac{14}{5})(\frac{5}{14})h$

$\frac{119}{14}=h$

$h=8\frac{1}{2}ft$

5 0

3 years ago

The school band is selling pizzas for $7 each to raise money for new uniforms. The supplier charges $100 plus $4 per pizza. Writ

melomori [17]

4x + 100 > 7x

100 > 3x i moved all the x's over to one side

100/3 > x

or just

x > 100/3

so they need to sell more than 33.33333... pizzas

No one makes a 1.3333... pizza as far as I know, so your answer might be 34.

7 0

3 years ago