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frosja888 [35]
3 years ago
11

549 vexhicals on 9 acres

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0
Just mutpliy the two numbers
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Help on college algebra, question is on the picture!
kodGreya [7K]
\frac{7x+1}{x-2} + \frac{2}{x} = \frac{-4}{ x^{2} -2x} is given 
here , \frac{7x+1}{x-2} + \frac{2}{x} = \frac{-4}{ x^{2} -2x} 
or, \frac{7x^{2} +x +2x-4 }{x(x-2)} = \frac{-4}{ x^{2} -2x}
or,\frac{7 x^{2} +3x-4}{ x^{2} -2x} = \frac{-4}{ x^{2} -2x}
or,7x²+3x-4=-4
or,7x²+3x=0
or,x(7x+3)=0
Either,x=0| Or,7x+3=0
                |or,7x=-3
                |or,x=\frac{-3}{7}
So , the solution set is S={0,-\frac{3}{7}}
8 0
3 years ago
(x+10)(3x+10) they are linear pair
Alex777 [14]

Answer:

yes

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The commuting time for a student to travel from home to a college campus is normally distributed with a mean of 30 minutes and a
Rainbow [258]

Answer:

0.1587

Step-by-step explanation:

Let X be the commuting time for the student. We know that X\sim N(30, (5)^2). Then, the normal probability density function for the random variable X is given by

f(x) = \frac{1}{\sqrt{2\pi(5)^{2}}}\exp[-\frac{(x-\mu)^{2}}{2(5)^{2}}]. We are seeking the probability P(X>35) because the student leaves home at 8:25 A.M., we want to know the probability that the student will arrive at the college campus later than 9 A.M. and between 8:25 A.M. and 9 A.M. there are 35 minutes of difference. So,

 

P(X>35) = \int\limits_{35}^{\infty}f(x)dx = 0.1587

To find this probability you can use either a table from a book or a programming language. We have used the R statistical programming language an the instruction pnorm(35, mean = 30, sd = 5, lower.tail = F)

6 0
3 years ago
What is the slope of the line containing (-2, 5) and (4,-4)?
Pachacha [2.7K]

Answer:

Option C is correct.

Step-by-step explanation:

<h2>slope \:  =  \:  \frac{y2 - y1}{x2 - x1}</h2><h3>=  \frac{ - 4 - (5)}{4 - (2)}</h3><h3>=  \frac{ - 9}{4 + 2}</h3><h3>=  \frac{ - 9}{6}</h3><h3>= \frac{3( - 3)}{3 - 2}</h3><h3>=  -  \frac{3}{2}</h3><h3>Hope it is helpful....</h3>
5 0
3 years ago
What is the slope of y=-4x-8
olga_2 [115]

Answer:

-4

Step-by-step explanation:

y = mx + b

5 0
3 years ago
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