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Vaselesa [24]
3 years ago
15

(T/F) unknow values are represented with variables that can be any letter. which one true or false ​

Mathematics
1 answer:
Ivenika [448]3 years ago
8 0

Answer:

True.

Step-by-step explanation:

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The function f(t) = 20 sin (pi over 5t) + 12 models the temperature of a periodic chemical reaction where t represents time in h
gregori [183]
The answer for the exercise shown above is the second option, which is: <span>Maximum: 32°; minimum: −8°; period: 10 hours.
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Alex is 5 feet 6 inches tall. There are 2.54 centimeters in 1 inch. What is Alex’s height in centimeters?
Anna35 [415]
Im not sure about the second one, but for the first one, Alex’s height is 167.64 cm. :)
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3 years ago
A 120° sector of a circle has an area of 67 cm². To the nearest centimeter what is the diameter of the circle?
qaws [65]

Answer:

degree = 120°

A =67 cm²

d=?

note : diameter= 2×radius

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67=22/7 ×r²

67×7=22r²

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r²=469/22

r²=21.32

r=4.62

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d= 2× 4.62

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I hope it helps :)

3 0
3 years ago
Help please . The answer choices are <br> A. 0 <br> B. 1<br> C. 7<br> D. Undefined
frosja888 [35]

The answer would be C

5 0
3 years ago
Read 2 more answers
Meiling needs 5 dollars 35 cents to buy a ticket to a show. In her wallet, she finds 2 dollar bills, 11 dimes, and 5 pennies. Ho
Llana [10]

Answer:

no she needs $2.20 more

Step-by-step explanation:

2+ 1.10+.05= $3.15

$5.35 - $3.15 = the answer

5 0
3 years ago
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