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natka813 [3]
2 years ago
10

Could somebody please help me understand this?!?!? (y+1)=3/5(x-3)

Mathematics
2 answers:
nirvana33 [79]2 years ago
7 0
What we wanna do is flip this equation. Assuming we are solving for x

\frac{3}{5}x  +  \frac{-9}{5} = y + 1 < Flipped

Add 9/5 to both sides!

\frac{3}{5}x +  \frac{-9}{5} +  \frac{9}{5}  = y + 1 +  \frac{9}{5}  &#10;&#10; \frac{3}{5}x = y +  \frac{14}{5}

Then we wanna divide both sides by 3/5

\frac{3}{5}x/ \frac{3}{5} = y +  \frac{14}{5}/ \frac{3}{5}&#10;&#10;x =   \frac{5y + 14}{3}
bazaltina [42]2 years ago
6 0
I hope this helps you

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Two cars leave towns 360 kilometers apart at the same time and travel toward each other. One car's rate is 12 kilometers per hou
mixer [17]
Let x = speed of the first car

the second car is 12 km slower so the seconds car speed is x-12

 they each drove 2 hours so 1st car = 2x
2nd car = 2(x-12)
 
they drove 360 km
 so you have 2x + 2(x-12) = 360
 solve for x

2x+2(x-12) = 360

2x + 2x-24 = 360

4x-24 = 360

4x = 384
x = 384/4
x = 96

1st car drove at 96 km per hour

slower car drove at 96-12 = 84 km per hour



5 0
3 years ago
Given: A= {(2,3), (5,1).(-3,-2), (0, 3))<br> What is the domain of A?
xxMikexx [17]

Answer:

The domain is (2,5,-3,0)

Step-by-step explanation:

we know that

For a set of ordered pairs, the first elements of each ordered pair represents the domain of the function and second elements of each ordered pair represents the range of the function.  

The domain of a function is the set of all possible values of x

In this problem we have

A= \ [(2,3), (5,1).(-3,-2), (0, 3)\ ]

therefore

The domain is (2,5,-3,0)

4 0
2 years ago
Plwees help:)
Klio2033 [76]
Answer #1- 8 mins
Answer #2-$0.571

Explanation for #1:

For this first equation you need to find 1 mike per ___ minutes. To get from 10 to 1, you need to divide by 10. This can also be put into this equation—

10x=80

So, to find how many minutes for each mile, divide 80 by 10. This will result in 8. This means that Dan ran 1 mile in 8 minutes.


Explanation for #2:

For this next one we see that we need to find how much Yoko spent on each pound of rice.

Since we are trying to find 1 pound of rice per ___ dollars, we need to divide both 14 and 8 by 14. This can also be put into this equation—

14x=8

Once this is done we know that 1 pound of rice is equal to 0.571428571428571 cents. But, since you are required to round to the nearest hundredth, the answer will only be $0.571.

Hope this helps comment below for more questions :)
7 0
3 years ago
PLEASE HELP<br> A) 8<br> C) 1<br> B) 6<br> D) 7<br><br> What is the value of x?
SVEN [57.7K]

Answer: 7

Step-by-step explanation:

As tangents drawn from a common external point to a circle are congruent,

  • 8x - 7 = 6x + 7
  • 2x - 7 = 7 [subtract 2x from both sides]
  • 2x = 14 [add 7 to both sides]
  • x = 7 [divide both sides by 2]
5 0
2 years ago
Find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. (Round your
Keith_Richards [23]

Answer:

Step-by-step explanation:

f'(x)=-sin x

f'(x)=\frac{cos \frac{\pi }{3} -cos (\frac{-\pi }{3}) }{\frac{\pi }{3} -(\frac{-\pi }{3}) } \\-sin x=\frac{\frac{1}{2} -\frac{1}{2} }{\frac{\pi }{3} +\frac{\pi }{3} } \\sin x=0\\at x=c ,sin c=0,c=0

c=0∈(-π/3,π/3)

4 0
2 years ago
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