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3 years ago

Help me solve this pleasee *ASAP this is currently a homework assignment thats due in 45 mintues**

Mathematics

1 answer:

klio [65]3 years ago

3 0

Answer:

The value of y is 36, and the value of z is 54.

Step-by-step explanation:

y has to be a number that can sit at 2y and then add itself to itself and become 3y.

40 is too high, and 35 is too low. Level it out, and you get 36.

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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

50 laps is about 11.9 miles.

4 0

2 years ago

Express the radical using the imaginary unit i

valentinak56 [21]

Answer:

$=\pm i\sqrt{66}$

Step-by-step explanation:

So we have:

$\pm\sqrt{-66}$

This is the same as:

$=\pm\sqrt{66\cdot-1}$

Separate:

$=\pm\sqrt{66}\cdot\sqrt{-1}$

Replace the second term with i:

$=\pm i\sqrt{66}$

The square root of 66 cannot be simplified.

So, this is our answer :)

7 0

3 years ago

Term best describes a proof in which you assume the opposite of what you want to prove

aleksley [76]

Indirect proof or contradiction

Are there choices to pick from?

7 0

3 years ago

Read 2 more answers

Is the answer option d?

Eddi Din [679]

Answer:

Step-by-step explanation:

Yes it's D. Answered by Gauthmath

8 0

3 years ago

Solve log2(t+1)-log2(t-1)

baherus [9]

I think 4glo is the answer

5 0

2 years ago