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spayn [35]
4 years ago
8

6(u+2v) = 6u+ 12v is what property? (algebraic property, like commutative property of addition...)

Mathematics
1 answer:
Arturiano [62]4 years ago
7 0
This is an example of the Distributive property
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In the system of equations below, I want to eliminate the variable y.
Mekhanik [1.2K]

Answer:

(x,y)=(-1,1)

Step-by-step explanation:

Given that,

3x + 5y = 2   .....(1)

6x - 10y = -16  ....(2)

Finding the value of x from equation (1).

x=\dfrac{2-5y}{3}

Put the value of x in equation (2)

6(\dfrac{2-5y}{3}) - 10y = -16\\\\2(2-5y)-10y=-16\\\\4-10y-10y=-16\\\\-20y=-16-4\\\\y=1

Put the value of y in equation (1) :

3x + 5(1) = 2\\\\3x=2-5\\\\3x=-3\\\\x=-1

So, the solution of the equations is (-1,1).

5 0
3 years ago
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frez [133]

Answer:

x=5

Step-by-step explanation:

the opposite side is the same length, meaning this side would have to equal thirteen.

2(5) + 3 = 13

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3 years ago
Which equation is represented by the graph below?
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6 0
3 years ago
A ball shaped like a sphere has a radius of 1.5 feet. What is the measurement of the volume of the ball in cubic feet?​
d1i1m1o1n [39]

Answer:

9.42

Step-by-step explanation:

1.5 is the radius so you plug it into \pi r^{2} to get about 7.07 than do get the volume of a sphere you multipy by (4/3). I used my phone so you may want to use a ti84 so you can reuse the answers to get it more exact. It is a rounded answer with rounds at each step.

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3 years ago
The question is in the picture. I need help fast if possible. Thank you
Vera_Pavlovna [14]

Answer:

145

Step-by-step explanation:

Supplementary angles add up to equal 180 degrees

Thus, ∠ABC + ∠DEF = 180°

If ∠ABC = 35

Then 35 + ∠DEF = 180

180 - 35 = 145

Hence, ∠DEF = 145

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3 years ago
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