3 years ago

Rewrite log2^8=3 in exponential form

Mathematics

1 answer:

kolezko [41]3 years ago

7 0

2^3=8 is log2^8=3 in exponential form

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Question 7 of 10

klemol [59]

I think the answer is C. 45 units

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2 years ago

The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minus.

AnnyKZ [126]

Answer:

Step-by-step explanation:

Given that the time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes.

P(completing exam before 1 hour)

= P(less than an hour) = P(X<60)

=P(Z< $\frac{60-70}{10} =-1$ )

=0.5-0.34=0.16

i.e. 16% of students completed the standardized exam.

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3 years ago

If the cost of a 2.5 meter cloth is $30.5. What will be the cost of 22 meters ?

alisha [4.7K]

Answer:

268.40

Step-by-step explanation:

We can write a ratio to solve

2.5 meters 22 meters

----------------- = --------------

30.5 dollars x dollars

Using cross products

2.5 * x = 30.5 * 22

2.5x =671

Divide each side by 2.5

2.5x / 2.5 = 671/2.5

x =268.4

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2 years ago

What is the slope of the line x = −5? a) undefined b) 0 c) -5 d) 5

nlexa [21]

Learn this...it helps
HOY -- horizontal line, 0 slope, represented by y = a number
VUX -- vertical line, undefined slope, represented by x = a number

now u have : x = -5.....this is a vertical line with an undefined slope

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3 years ago

What is -3/4 + (-3/14) Give your answer as a reduced fraction

Advocard [28]

Answer:

- $\frac{27}{28}$

Step-by-step explanation:

hope this was the answer you were looking for.

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3 years ago