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Schach [20]
3 years ago
15

-2(1/3x-1/5) please help

Mathematics
2 answers:
IgorLugansk [536]3 years ago
7 0

Answer: -2/3x+/2/5

Step-by-step explanation:

−2(13x−15)=  (−2) (13x  + −15) =   (−2)(13x)+(−2)(−15)

Makovka662 [10]3 years ago
5 0

Answer:

-2/3x +2/5

Step-by-step explanation:

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3 years ago
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What is the equation of the points (-3,2) (2,-1) in standard form? 
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You can just plug in one of the points to each equation until you get an equality that is true.

I chose to use (-3,2)

1. 5x+3y=1
5(-3)+3(2)=1
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(-9) = 1 <<<(FALSE)

2. x+5y=3
(-3)+5(2)= 3
(-3)+10= 3
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3. 3x+5y=1
3(-3) + 5(2)= 1
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1=1<<<(TRUE)

So, the correct equation is 3x+5y=1.

Make sense?
3 0
3 years ago
How many solutions does 2x + 3y = -6 and <br><br> 3x - 4y = -12 have
Ostrovityanka [42]

Answer:

As there are 2 equations and two unknowns there is 1 solution

8 0
3 years ago
Do natural numbers have multiplicative inverse
hodyreva [135]
No,because a multiplcative inverse is when your changing a division or multiplcation sign!
6 0
3 years ago
Find the area of the following circles. a. A circle with a 8-inch radius b. A circle with a 10-kilometer radius c. A circle with
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Area of a circle is A= \pi r^2.  The first one, a, the radius squared is 8*8=64.  So A=64 \pi.  If you multiply in pi as 3.14, you'll have 200.96 square inches.  The second one, b, the radius squared is 10*10=100.  So A=100 \pi square kilometers.  If you multiply in pi as 3.14 you'll have 314 square kilometers.  The third one, c, the radius squared is 14*14=196.  So A=196 \pi yd^2.  Or you could multiply in pi as 3.14 to get 615.44 yd squared.  For the last one, d, the radius squared is 22*22=484 cm.  Therefore, A=484 \pi cm^2, or multiply in 3.14 for pi to get 1519.76 cm squared.  There you go!
5 0
3 years ago
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