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2 years ago

PLEASE HELP ASAP MARKING BRAINLEIST + 50 POINTS

Mathematics

1 answer:

Lorico [155]2 years ago

3 0

Answer:

scale factor = $\frac{1}{5}$

Step-by-step explanation:

the scale factor is the ratio of corresponding sides, image to original, so

scale factor = $\frac{V'W'}{VW}$ = $\frac{1}{5}$

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Pleaseeeeee help i will mark brainlest

NNADVOKAT [17]

Answer:

e°=100°

Step-by-step explanation:

Sum of angles in a triangle= 180°

70°+30°+x°=180°

100°+x=180

Collect like terms

x°=180-100

x°=80°

e° is an exterior angle

exterior angle =180- interior angle

180°- x°

180°- 80°

=100°

e°=100°

3 0

3 years ago

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Shirts cost $9.00 each. There is a 9% sales tax. If Mrs. Meagher buys three shirts, how

BARSIC [14]

Answer: $29.43

Step-by-step explanation: 3 shirts for $9 each adds up to $27. 9%= 0.09 so you can multiply the cost of the shirts by 1.09 because that is the base price plus the sales tax. Then you get $29.43.

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3 years ago

Find perimeter of a rectangle that is 21 ft by 3 ft

alukav5142 [94]

24 ft should be your answer if I'm correct

4 0

3 years ago

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Please help!! ASAP!!! Top 3 mainly

defon

7. 2^1/3
8. (2x^2)^1/3
9. 2x^2/3
11. 5_/243^6
12. _/ (1/32)^5

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3 years ago

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A custom rectangular tabletop has a length that is twice it’s width, and the tabletop measures 76 inches on its diagonal. What a

Sunny_sXe [5.5K]

Answer:

<em>The dimensions of the tabletop: Length= 67.976... inches and Width= 33.988... inches and the perimeter will be 203.929... inches.</em>

Step-by-step explanation:

Suppose, the width of the rectangular tabletop is $x$ inch.

As the tabletop has a length that is twice it’s width, so the length will be: $2x$ inch.

The tabletop measures 76 inches on its diagonal.

<u>Formula for length of diagonal of rectangle</u>: $d=\sqrt{l^2+w^2}$

So, the equation will be..........

$76=\sqrt{(2x)^2+ x^2}\\ \\ 76=\sqrt{4x^2+x^2} \\ \\ 76=\sqrt{5x^2} \\ \\ 5x^2= 76^2= 5776\\ \\ x^2= \frac{5776}{5}=1155.2 \\ \\ x= \sqrt{1155.2} =33.988...$

Thus, the width of the tabletop is 33.988... inches and the length will be: (2×33.988...) = 67.976... inches.

The perimeter will be: 2(33.988...+ 67.976...) inches = 203.929... inches.

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3 years ago