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3 years ago

I buy 4.50 yards of material at $4.47 what is the totoal cost of material

Mathematics

1 answer:

Blizzard [7]3 years ago

6 0

4.5 x 4.47 = ~ $20.12 total

4.5 yards of material

4.47 per yard

~20.12 total

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NeTakaya

Answer:

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Step-by-step explanation:

Area:

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3 years ago

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3 years ago

The measure of anglerst can be represented by the expression (6x 12)°. three lines extend from point s. the space between lines

miv72 [106K]

Answer:

∠RST = 120°

Step-by-step explanation:

We assume the positions of the lines and angles will match the attached figure. The angle addition theorem gives a relation that can be solved for x, then for the value of angle RST.

∠RSU +∠UST = ∠RST

78° + (3x -12)° = (6x +12)° . . . . . substitute given values into the above

54 = 3x . . . . . . . . . . . . . . . . divide by °, subtract 3x+12

108 = 6x . . . . . . . . . . . multiply by 2

120° = (6x +12)° = ∠RST . . . . add 12, show units

The measure of angle RST is 120 degrees.

_____

Additional comment

Note that we don't actually need to know the value of x (18) in this problem. We only need to know the value of 6x.

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2 years ago

Use a model to divide. 45 by 6

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Step-by-step explanation:

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3 years ago

Read 2 more answers