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Olegator [25]
3 years ago
7

Identify the dependent variable in the statement: the speed you walk and the time it takes to complete your mile walk.

Mathematics
1 answer:
Alex787 [66]3 years ago
6 0
<span>The time it takes you to complete your mile walk is the dependent variable because it is dependent on the speed you walk.
</span>
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What is the solution to the equation 1/4x-1/8=7/8+1/2
Dmitrij [34]

Answer: x=6

Step-by-step explanation:

1) add 1/8 to both sides

2) divide both sides by 1/4

3) 1.5/.25= 6

7 0
4 years ago
Jeremy lost his dog, and wants to make some signs to put up in the neighborhood. The cost to make 8 paper signs and 2 laminated
Mashcka [7]

Answer:

cost to make paper signs = $1

cost to make laminated signs = $2

Step-by-step explanation:

Let

x = cost to make paper signs

y = cost to make laminated signs

8x + 2y = 12 (1)

10x + 10y = 30 (2)

Multiply (1) by 5

40x + 10y = 60 (3)

10x + 10y = 30 (2)

Subtract (2) from (3) to solve for x

40x - 10x = 60 - 30

30x = 30

x = 30/30

x = $1

Substitute x = 1 into (1)

8x + 2y = 12

8(1) + 2y = 12

8 + 2y = 12

2y = 12 - 8

2y = 4

y = 4/2

y = $2

cost to make paper signs = $1

cost to make laminated signs = $2

5 0
3 years ago
Write an expression that is equivalent to .........
Soloha48 [4]

Answer:

Step-by-step explanation:

1/3x+2/3x-2/3x: x equasion

3/4+(-1/4)

1/3x +  2/4(or 1/2)

1/3x+1/2

(note that positive 2/3 and -2/3 cancel out)

8 0
3 years ago
Three girls each earned $2.55 how much did the three girls earn altogether
bazaltina [42]
You can add $2.55 three times; or you can multiply $2.55 times 3. Either way you will have the answer of $7.65 as your total. 

I hope that helped you. (:
3 0
3 years ago
Read 2 more answers
What are the solutionso of 8x^2 = 6 + 22x
liraira [26]
You can get all the terms on one side, and then solve for x by any means:
0 = -8x^2+22x+6

Factor out a -2:
0 = -2(4x^2-11x-3)

Factor this equation:
0 = 4x^2-11x-3

I will use the AC method. To use it, first multiply a and c (in ax^2 + bx +c):
4*-3 = -12

Now, look for two numbers that multiply to -12 and add to -11. Obviously these numbers are -12 and 1. (-12*1 = -12 and -12+1  = -11). Now, because of rules, you set it up in a Punnett square:

4x^2        -12x
x              -3

Now, we find common factors of the terms in rows:
     _x_______-3__
4x| 4x^2        -12x
1   | x              -3

So, you can use this to write an equivalent expression to the quadratic given:
(x-3)(4x+1)

Now, we known the factors are (solve for x): 3 and -1/4.
3 0
3 years ago
Read 2 more answers
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