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BaLLatris [955]
2 years ago
5

Introduction to addition or subtraction of fractions with different denominator 3/4-1/8

Mathematics
2 answers:
ankoles [38]2 years ago
7 0
3/4(2/2) -1/8
6/8 -1/8
5/8
chubhunter [2.5K]2 years ago
4 0
First of all, find the lowest common multiple of 4 and 8. The lowest common multiple is 8. That will be;
8 divided by 4 times 3= 6
8 divided by 8 times 1= 1
So we have;
6-1/8
5/8
Hope I helped. Good luck
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8. x= 4
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3 years ago
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What is P versus NP, its supposed to be one of the hardest questions in the world
iogann1982 [59]

Answer:

P is the set of problems whose solution times are proportional to polynomials involving N's. ... NP (which stands for nondeterministic polynomial time) is the set of problems whose solutions can be verified in polynomial time. But as far as anyone can tell, many of those problems take exponential time to solve.

Step-by-step explanation:

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Which scatterplot shows a linear association?
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3 years ago
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Solve 9^x + 4 = 11 for x using the change of base formula log base b of y equals log y over log b.
Sauron [17]

Answer:

If you meant 9^x+4=11, then the answer is approximately 0.866.

If you meant 9^{x+4}=11, then the answer is approximately -2.909 which looks like what you meant based on the choices.

Step-by-step explanation:

9^x+4=11

First step is to get the exponential part by itself. The part that has the variable exponent which is the 9^x term.

To do this we need to subtract 4 on both sides:

9^x=11-4

Simplify:

9^x=7

The equivalent logarithmic form is:

\log_9(7)=x

I always say to myself the logarithm is the exponent that is how I know what to put opposite the side containing the log.

Anyways if you don't have options for computing \log_b(a) in your calculator you need to use the change of base formula.

\frac{\log(7)}{\log(9)}=x

So x \approx 0.8856

I don't see this as a choice so maybe you actually meant the following equation:

9^{x+4}=11

Let's see if this is the correct interpretation.

So the exponential part is already isolated.

So we just need to put in the equivalent logarithmic form:

\log_9(11)=x+4

Now we subtract 4 on both sides:

\log_9(11)-4=x

Again if you don't have the option for computing \log_b(a) in your calculator, you will have to use the change of base formula:

\frac{\log(11)}{\log(9)}-4=x

x \approx -2.909

6 0
3 years ago
What’s the original price of a swimsuit discounted 65% on sale for $20.30
mihalych1998 [28]

Answer:

58$

Step-by-step explanation:

1 - 0.35x = 20.30

2 - x = 20.3/0.35

3 - x = $58.00

4 0
2 years ago
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