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Ostrovityanka [42]
3 years ago
6

Find the least common factor denominator for these two rational 7/x^2 and 7/5x

Mathematics
1 answer:
MAVERICK [17]3 years ago
4 0
X^2 and 5x both have x in common to factor out. To add or subtract them, 5x^2 is the least common denominator .
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Just number 23 super confused
vodka [1.7K]

Answer:

x = -7

Step-by-step explanation:

This is an exponential equation.

\frac{1}{2}^x=128

We need to take log(or ln) of both sides and use logarithm property to solve this.

So, let's take ln of both sides, so we have:

ln(\frac{1}{2}^x)=ln(128)

Now, we will use this property shown below to further simplify:

ln(a^b)=bln(a)

So, we now have:

ln(\frac{1}{2}^x)=ln(128)\\xln(\frac{1}{2})=ln(128)\\x=\frac{ln(128)}{ln(\frac{1}{2})}\\x=-7

The value of x is -7

6 0
3 years ago
A customer at the produce section of a food store bought cucumbers and heads of lettuce . The quantity she purchased of the head
kkurt [141]
He bought 3 cucumbers because 3*5=15, 15-6=9, 9*.7=6.3, .3*3=.9, .9+6.3=7.2
4 0
3 years ago
How many numbers less than 904 are divisible by 3
MaRussiya [10]

Answer:

301 is correct answer. Please Mark it as brainlist answer.

5 0
2 years ago
Which number is prime?<br> 63 <br> 51 <br> 61 <br> 57
kondor19780726 [428]
Hey there!

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I hope this helps!
7 0
3 years ago
Look at the figure below:
8_murik_8 [283]

Answer:

The third one is the answer

Building B; it is around 16.35 feet taller than building A

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cos y° = 6 divided by b cos y° = 6a cos

If sin f° = 8/9 and the measure of YW is 24 units, what is the measure of YX?

24 units

3 0
3 years ago
Read 2 more answers
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