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3 years ago

I don’t get this I need some help.

Mathematics

1 answer:

makkiz [27]3 years ago

6 0

Parallel,

That chart probably relates to a transversal line you have above it with the numbers on the 3 lines. When it says "Parallel lines" it means what lines are parallel between the two given numbers. Example: Question a) is saying
Angle 10 is congruent to Angle 15, therefore what two lines that they're on or next to are parallel. In many cases, it would be the ones that they're on.

Converse,

The "Converse" is also known as "Alternate Interior Angles". Meaning angles that are on the same side of the transversal and are inside of it. Example: On the bottom of your page (near question 2) the angles 4 and 5 are transversals and so is 3 and 6. So just write down the converse of each given value or angle.

Hope this helped!

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Sally has a piece of cloth used 1/3 of a foot of the cloth to make a pillow cover in another 4/7 of a foot of the cloth to make

iren [92.7K]

Answer:

$\frac{23}{21} feets$

Step-by-step explanation:

Given.

Sally started with two feets of cloth.

Total cloth = $2 feets$

She used $\frac{1}{3}$ of a foot of the cloth to make a pillow cover.

And another $\frac{4}{7}$ of a foot of the cloth to make a table cloth.

She used total cloth to make a pillow cover and table cloth = $\frac{1}{3} +\frac{4}{7}$

$=\frac{7+12}{21} \\=\frac{19}{21}$

Total used cloth by Sally = $\frac{19}{21}$

The equation for remaining cloth

remaining cloth = total cloth - used cloth

remaining cloth $= 2 - \frac{19}{21}$

remaining cloth $= \frac{2\times 21-19}{21}$

remaining cloth $= \frac{42-19}{21}$

remaining cloth $= \frac{23}{21}$

Sally has remaining cloth = $\frac{23}{21}$ feets

8 0

3 years ago

Rafi had a board that was 151/2 feet long he cut three pieces off the board that are each 37/8 feet long how much of the board i

lbvjy [14]

Answer: 3.875 or 3ft 7/8in
=15.5 - 3.875(3)
=15.5 - 11.625
= 3.875 or 3ft 7/8in

3 0

3 years ago

carmen has saved 80% of the money she needs to buy a new video game. if she has saved $36, how much does the video game cost

Bumek [7]

Divide the amount she saved by percent saved:

36/0.80 = 45

The game will cost $45

4 0

3 years ago

Read 2 more answers

Mrs baxter has 1 one dollar bill 2 quarters 1 dime and 2 nickels. How much money does she have?

spayn [35]

Answer:

Mrs baxter has $1.70

Step-by-step explanation:

1 dollar = 1.00

2 quarters = 0.50

1 dime = 0.10

2 nickels = 0.10

1.00 + 0.50 + 0.10 + 0.10 = 1.70

7 0

3 years ago

Tennis balls with a diameter of 2.5 inches are sold in cans of three. The can is a cylinder. What is the volume of the space NOT

Paul [167]

Answer:

The space NOT occupied by the tennis balls is 12.26 cube inches.

Step-by-step explanation:

The space NOT occupied = volume of cylinder - total volume of spheres

The can is cylinder with volume = $\pi$ $r^{2}$ h

where r is the radius and h the height of the cylinder

With the given condition,

r = $\frac{diameter}{2}$ = $\frac{2.5}{2}$

= 1.25 inches

h = 3 x diameter = 3 x 2.5

= 7.5 inches

So that,

Volume of the can = $\frac{22}{7}$ x $(1.25)^{2}$ x 7.5

= 36.830

Volume of can is 36.83 cube inches.

The tennis ball is a sphere with volume = $\frac{4}{3}$ $\pi$ $r^{3}$

= $\frac{4}{3}$ x $\frac{22}{7}$ x $(1.25)^{3}$

= 8.185

Volume of the tennis ball is 8.19 cube inches.

Since they are sold in three's, then;

total volume of the tennis balls = 3 x 8.19

= 24.57

Volume of the tennis balls is 24.57 cube inches.

Thus,

The space NOT occupied = 36.83 - 24.57

= 12.26

The space NOT occupied by the tennis balls is 12.26 cube inches.

7 0

3 years ago