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nekit [7.7K]
3 years ago
12

Convert each measurement into another measurement unit. How many inches are in 5 ft?

Mathematics
1 answer:
alexira [117]3 years ago
8 0

Answer:

60 inches

Step-by-step explanation:

Multiply the length value by 12

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What is 5/5 divided by 1/2?
pentagon [3]

5/5=1, 1/2=0.5, After you divide the fractions you then only have to divide the numbers. 1/0.5=2
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3 years ago
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Please show ALL work!<br><br> Solve for x: log₂x+log₂(x-6)=4
Vlad [161]
Answer: x = 8

---------------------------------------------
---------------------------------------------

I'm going to use the notation log(2,x) to indicate "log base 2 of x". The first number is the base while the second is the expression inside the log (aka the argument of the log)

log(2,x) + log(2,(x-6)) = 4
log(2,x*(x-6)) = 4
x*(x-6) = 2^4
x*(x-6) = 16
x^2-6x = 16
x^2-6x-16 = 0
(x-8)(x+2) = 0
x-8 = 0 or x+2 = 0
x = 8 or x = -2

Recall that the domain of log(x) is x > 0. So x = -2 is not allowed. The same applies to log(2,x) as well.

Only x = 8 is a proper solution.

------------------------

You can use the change of base rule to check your work
log base 2 of x = log(2,x) = log(x)/log(2)
log(2,(x-6)) = log(x-6)/log(2)

So,
(log(x)/log(2)) + (log(x-6)/log(2)) = 4
(log(8)/log(2)) + (log(8-6)/log(2)) = 4
(log(8)/log(2)) + (log(2)/log(2)) = 4
(log(2^3)/log(2)) + (log(2)/log(2)) = 4
(3*log(2)/log(2)) + (log(2)/log(2)) = 4
3+1 = 4
4 = 4
The answer is confirmed

5 0
3 years ago
Your round-trip drive to school is 3710 miles. How many miles do you drive to and from school in 5 days?
Anit [1.1K]

Answer:

Read below.

Step-by-step explanation:

If you include going back home, then its

3710 miles × 5 days =

<u>18,550 miles</u>

If you don't include going back home, then it's

3710 miles ÷ 2 × 5 days =

1855 miles × 5 days =

<u>9,275 miles</u>

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The answer is 16 can u give me brainliest hehehe

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Help me plsss I'm almost done
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Answer is C
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