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elixir [45]
4 years ago
12

Use the distributive property to write the expression 1/2(4x -6y) without parentheses.

Mathematics
2 answers:
pantera1 [17]4 years ago
7 0

1/2(4x - 6y) = 2x - 3y  First you need to multiply 1/2 and 4x which is 2x, then you need to multiply 1/2 and -6y which is -3y.

expeople1 [14]4 years ago
4 0

to use the distributive property you need to multiply everything inside the parentheses by what is outside of the parentheses. First you would do 1/2 x 4x and you get 2x. Then you do 1/2 x -6y and you get -3y. The rewritten expression would be 2x-3y

Hope this helps

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What are the possible values of x in 8x2 + 4x = -1?
Rudiy27
Answer: x only can have complex values, not real values.


x = -1/4 - 1/4i and x = -1/4 + 1/4 i


Explanation:


Finding the possible values of x in the expression given is solving the quadratic equation.


8x² + 4x = - 1

Rearrange the terms:


8 (x² + x/2) = - 1 ← common factor 8 in the left side


x² + x/2 = - 1/8 ← division property

x² + x/2 + 1/16 = - 1/8 + 1/16 ← addition property

(x + 1/4)² = -1/8 + 1/16 ← -factor the perfect square trinomial in the left side


(x + 1/4)² = - 1/16 ← add the fractions in the right side


x + 1/4 = (+/-) √ (-1/16) ← square roots on both sides


x + 1/4 = (+/-) (1/4)i ← complex solution


x = - 1/4 +/- 1/4i


x = - 1/4 - 1/4i and x = - 1/4 + 1/4 i ← answer
4 0
3 years ago
Find an equation in slope intercept form of the line that has slope -12 and y intercept =1/2
Vesna [10]

Answer:

slope intercept: y=mx+b

m=slope

b=y intercept

y= -12x+1/2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I need help with math.
bogdanovich [222]

Answer: 13/4

Step-by-step explanation:

3rd one

8 0
3 years ago
George wants to build a fence around his square backyard measures 60 feet. If it cost $7 per foot for the fence and george only
bogdanovich [222]
A = s2 (Area of a square is its side squared)
P = 4s (perimeter of a square is a side times 4)
A = 324 (the area of this square is 324 ft2)
fencing = $7 per foot
Let's find the side through the area. Find the root:
√324 = √s2
18 = s
Now the perimeter:
P = 4 * 18 = 72
Now to find how much the fencing will cost:
72 * 7 = 504
4 0
3 years ago
K - 2( k - ( 2- k ) - 2
mamaluj [8]
Assuming the missing parenthesis is at the end the simplified answer should be k-8
5 0
3 years ago
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