2 years ago

Please help to solve this

Mathematics

1 answer:

Lerok [7]2 years ago

7 0

Step-by-step explanation:

I think it will help you.

The image above will help you

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Jane needs $20 to buy her radio.She has saved $15. What percent of the cost of the radio has she saved?

Katyanochek1 [597]

Answer:

70%

Step-by-step explanation:

15/20 is simplified to 3/4

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3 years ago

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Find the length of arc AD. Use 3.14 for .

Alexxandr [17]

Answer:

Length of arc AD = 15.7 cm

Step-by-step explanation:

Length of arc = $\frac{\theta}{360}(2\pi r)$

Here, θ = Central angle subtended by the arc

r = radius of the circle

From the picture attached,

Central angle subtended by arc AD = 360° - (180° + 66.4°)

= 113.6°

Length of arc AD = $\frac{(113.6)}{360}(2\pi )(7.9)$

= $\frac{113.6}{360}(2)(3.14)(7.9)$

= 15.655 cm

≈ 15.7 cm

Length of arc AD = 15.7 cm

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3 years ago

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Delicious77 [7]

Answer:

Step-by-step explanation:

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After working for 6 hours, Kevin earned $51.00. What is Kevin's unit rate.

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He gets 8 dollars every hour. :)

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3 years ago

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If TU =UV and T has a coordinate of -17 and U has coordinate 2, what is the coordinate of V?

Alex787 [66]

Step-by-step explanation:

this is one-dimensional ? everything just on one number line ?

TU = 2 - -17 = 2 + 17 = 19

TU is 19 units long (17 units on the negative side, and 2 units on the positive side of the number line).

therefore, to make TU = UV a true statement, UV has also to be 19 units long.

as U = 2,

V = U + UV = 2 + 19 = 21

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1 year ago

Please help to solve this ​

Please help to solve this