4 years ago

∆ABC ~ ∆WXY. What is the value of x? (show work)

Mathematics

1 answer:

Sphinxa [80]4 years ago

5 0

Set a proportion. They are similar triangles.

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What is the surface area? 4 cm 10 cm 10 cm square centimeters

iogann1982 [59]

The answer is 360 cm^2.

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What is the place value of 3 in 5.349

Lisa [10]

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3 years ago

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A DVD was priced at $2.87 last week. This week the same DVD is priced at $10.59. What is the percent increase in price?

solniwko [45]

Answer:

Percentage increase = 269%

Step-by-step explanation:

Price of a DVD last week = $2.87

Price of the same DVD this week = $10.59

Increase in the price of DVD between last week and this week = 10.59 - 2.87

= $7.72

Therefore, percentage increase in the price of DVD = $\frac{\text{Increase in the price}}{\text{Price of DVD last week}}\times 100$

= $\frac{7.72}{2.87}\times 100$

= 268.99

= 269%

6 0

3 years ago

Find the values of 3*(* stands for x) and (1/3)*(* stands for x) for different values of x. Values of x are: 1, 2, 3, 4

kumpel [21]

If x=1
1/3x = 1/3
3x = 3

If x=2
1/3x=2/3
3x=6

If x=3
1/3x=1
3x=9

If x=4
1/3x=1 1/3
3x+12

7 0

3 years ago

Does a = 8 b=15 c=17 make a right triangle and why

ArbitrLikvidat [17]

Ok so pythagorean theorem is
a^2+b^2=c^2
plug it in
8^2+15^2=17^2
64+225=289
289=289

yass it works so that means they do make a right triangle

yes, they make a right triangle because they're a pythagorean triple and pythagorean theorem works when you plug the numbers in.

4 0

3 years ago