3 years ago

PLEASE HELP!!!!!!! WILL GIVE BRAINLIEST!!!!!! PLEASE!!!

Mathematics

1 answer:

White raven [17]3 years ago

8 0

Answer:

sorry can't answer u have to many tabs open

Step-by-step explanation:

slowly start to take away your tabs

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Kyra see a pair of boots that costs $60.00.They are on salenfor 25% off.She also has a coupon for an additional 10% off.How much

nikitadnepr [17]

It's 40.5
$60 \times .25 \\ 45 \times .10$

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4 years ago

A circular race track has a radius of 200 feet a car drives 50 laps around the track approximately how many miles does the car t

bazaltina [42]

Answer:

11.9 miles

Step-by-step explanation:

The length of the track is ...

C = 2πr = 2π(200 ft) = 400π ft

Then the length of 50 laps will be ...

50C = 50·(400π ft) = 20,000π ft ≈ 62,831.9 ft

The number of miles (m) this is can be found from ...

m(5280 ft) = 62,831.9 ft

m = 62,831.9/5280 ≈ 11.90 . . . . miles

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3 years ago

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3 years ago

Prove algebraically that the recurring decimal 0.72 =8/11

miskamm [114]

Answer:

see explanation

Step-by-step explanation:

We require 2 equations with the recurring decimal placed after the decimal point.

let x = 0.7272.... (1) ← multiply both sides by 100

100x = 72.7272... (2)

Subtract (1) from (2) thus eliminating the recurring decimal

99x = 72 ( divide both sides by 99 )

x = $\frac{72}{99}$ = $\frac{8}{11}$

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3 years ago

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Square root of 31684

Kazeer [188]

Answer:

178

Step-by-step explanation:

√31684 = 178

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3 years ago

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