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kati45 [8]
2 years ago
8

Question in pic! help asapp! will give brainliest!

Mathematics
2 answers:
Nataliya [291]2 years ago
4 0

The answer is D  yw :)

Yuliya22 [10]2 years ago
3 0

Answer:

4/x^7

Step-by-step explanation:

4x^-7 = 4*  x^-7 = 4* 1/x^7 = 4/x^7

You might be interested in
Kevin finished a race in 25.7 minutes juile finished the race 7 1/10 sooner than kevin finished it how many minutes did it take
Papessa [141]

Answer:

18.6 minutes

Step-by-step explanation:

subtract. im sorry if this is not right. im not smart

5 0
2 years ago
What’s 13/18- 5/8??????
aev [14]
When adding or subtracting fractions that have a common denominator, simply subtract the numerators (top numbers) by each other. However, to subtract fractions with unlike denominators, find the LCD or "least common denominator". That is the lowest number both denominators can equate to.

\frac{13}{18} - \frac{5}{8} [tex] (\frac{13}{18})( \frac{4}{1} ) - (\frac{5}{8})( \frac{9}{1})  
[/tex]
The LCD of 8 and 18 is 72.
Some of the multiples of 8 are: 8, 16, 24, 32, 64, 72, 80, 88, 96, 104...

The multiples of 18 are: 18, 36, 54, 72, 90
The lowest common multiple is 72.

Multiply each fraction by what it takes for the denominator to equal 72.
8 multiplied by what number = 72
8*9=72
18 multiplied by what = 72
18*4=72
Multiply both fractions respectively 
13/18*4= 13*4/72
5/8*9 = 5*9/72
52/72 - 45/72
Simplify
52-45/72
7/72
This being the answer for the original expression

I hope this helps! If you have any question feel free to ask!
6 0
3 years ago
The house was bought for $125,000 in 1990, the overage rate is 7.85%, what year will the purchase of the house be worth 3 times
olga55 [171]

Answer: 2005

Step-by-step explanation:

Exponential function to determine the value of item after t years,

f(x)=A(1+r)^t , where r= rate of growth, A=Initial value.

As per given , A = 7.85% = 0.0785

A = $125,000

Substitute all values in function, we get

f(x)=125000(1+0.785)^t

When f(x)= 3A , then

3A=A(1.0785)^t\\\\\Rightarrow\ 3=(1.0785)^t

Taking tog on both sides , we get

\ln 3=t\ln 1.0785\\\\\Rightarrow\ t=\dfrac{\ln 3}{\ln 1.0785}\\\\\Rightarrow t=\dfrac{1.09861228867}{0.0755711868471}\approx15

The year will be 1990+15= 2005

Hence, the required year = 2005

8 0
3 years ago
Divide.
Travka [436]
Expression: 23 / -56

= 1 / -2

= -1/2

In short, Your Answer would be: -1/2

Hope this helps!
8 0
3 years ago
What lives but never dies?
monitta

Answer:

My exes lies, Jellyfish, my dry sense of humor.

6 0
3 years ago
Read 2 more answers
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