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USPshnik [31]
3 years ago
12

What is equivalent to -1/4y -2 1/4y + 1/2 (4-2y)

Mathematics
1 answer:
yan [13]3 years ago
7 0

Answer:

14y - 8 = 0

Step-by-step explanation:

-  \frac{1}{4} y - 2 \frac{1}{4} y +  \frac{1}{2} (4 - 2y) = 0 \\

-  \frac{1}{4} y -  \frac{9}{4} y + 2 - y = 0

( -  \frac{1}{4} y -  \frac{9}{4} y + 2 - y = 0)4

- y - 9y + 8 - 4y = 0

- y - 9y - 4y + 8 = 0

- 14y + 8 = 0

14y - 8 = 0

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Kevin loves the new video game rental store and he has a membership. When Kevin rented 2 games, he had spent a total of $25 of h
sveticcg [70]

Answer:

Step-by-step explanation:

Let x represent the number of video games that Kevin rents.

Let y represent the total amount that he paid for x video games rental.

The slope intercept form of an equation is expressed as

y = mx + c

Where

m = slope

c = intercept

When Kevin rented 2 games, he had spent a total of $25 of his money. When Kevin rented 2 more video games (4 total), he then had spent $30 total of his money at this store all together. Therefore,

Slope, m = (30 - 25)/(4 - 2) = 5/2 = 2.5

To determine the intercept, c, we will substitute m = 2.5, x = 4 and y = 30 into y = mx + c. It becomes

30 = 2.5 × 4 + c

30 = 10 + c

c = 30 - 10 = 20

The Slope-Intercept Form to model how much Kevin pays per x video game rentals with his store membership becomes

y = 2.5x + 20

The cost per video game rental is $2.5

The membership fee is $20

6 0
3 years ago
Can someone help me with 6th grade? :-)
qwelly [4]

Answer:

Lemme explain it down below

Step-by-step explanation:

150/3 would be 50 per hour.

15/3 would be 5 per hour.

120/2 would be 60 per hour

8 0
3 years ago
Which value of x makes the following equation true?
Goryan [66]

Answer:

C

Step-by-step explanation:

multiply through by 10

10{4.8(x-4)} = 10(-0.2x) + 10(15.8)

48(x-4) = -2x + 158

48x - 192 = -2x +158

48x + 2x = 158 + 192

50x = 350

divide through by 50

x=350/50

x=7

therefore, answer = C

8 0
3 years ago
Which expression has the largest value? Each has
alukav5142 [94]

It's A. 9/2×3/8

I used a calculator

3 0
3 years ago
BRAINY WILL BE AWARDED
Tanya [424]

Answer:

Yes he will be able to buy 2

Step-by-step explanation:

Half of $8.90 is $4.45

$8.90 + $4.45 = $13.35

7 0
3 years ago
Read 2 more answers
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