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fomenos
3 years ago
13

Solve for x -2/5x - 8/15x + 1/3x = -54 x=?

Mathematics
2 answers:
krok68 [10]3 years ago
5 0

Answer:

x = 1/90

or

x = 90^-1

Step-by-step explanation:

-2/5x - 8/15x + 1/3x = -54

-9/15x = -54

-3/5x = -54

3x = 270x

270x = 3

x = 1/90, x ≠ 0

Ad libitum [116K]3 years ago
3 0

Answer:

x=0

Step-by-step explanation:

solve for  x  by simplifying both sides of the equation, then isolating the variable. which got me x=0

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What is m∠V?
Bezzdna [24]
We know that
Applying the law of cosines

c²=a²+b²-2*a*b*cos C------> cos C=[a²+b²-c²]/[2*a*b]

in this problem

a=7.6 in

b=8.6 in

c=7.4 in

C=angle V

 cos C=[7.6²+8.6²-7.4²]/[2*7.6*8.6]----> 0.5887

C=arc cos (0.5887)--------> C=53.93°-------> C=53.9°


the answer is

angle V is 53.9°


5 0
3 years ago
Your family is driving at 45 miles an hour and your families house is 135 miles away how long will it take
Fed [463]
A short simple answer of 3 hours
8 0
3 years ago
The regression equation y = -0.414x + 106.55 approximates the percent of people in an
murzikaleks [220]

The correct option will be:   A. 67%

<em><u>Explanation</u></em>

Given equation is:   y = -0.414x + 106.55 , where x is the length of the film in minutes and y is the percentage of people finish watching the film.

Here, the length of the documentary is given as 95 minutes. So, we will <u>plug x=95 into the above equation</u> and get....

y=-0.414(95)+106.55\\ \\ y=-39.33+106.55\\ \\ y=67.22 \approx 67

<em>(Rounded to the nearest percent)</em>

So, the percentage of people in an audience who will finish watching a documentary that is 95 minutes long will be 67%

4 0
3 years ago
Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.
jok3333 [9.3K]
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y=Years that have passed by { y ≥ 0 }

R=f(y) --> R is a function of y.
---------------------------------------------

Note that when:

y=0, R=4 ---> Point: (0, 4)

y=1, R=8 ---> Point (1, 8)

y=2, R=16 ---> Point (2, 16)

y=3, R=32 ---> Point (3, 32)

y=4, R=64 ---> Point (4, 64)

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

So the equation you want is going to form a curved graph.

That equation is:

R={ 2 }^{ y+2 }

<em>*You can test out this function on any decent graphing software.</em>

7 0
4 years ago
Read 2 more answers
PLEASE HELP ASAP! BRAINLIEST FOR RIGHT/BEST ANSWER!
zzz [600]
The correct answer is b I’m pretty sure
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3 years ago
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