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Irina-Kira [14]
3 years ago
12

3y+12=2x in slope-intercept form?

Mathematics
1 answer:
alekssr [168]3 years ago
5 0

\bf \stackrel{\textit{solving for \underline{y}}}{3y+12=2x}\implies 3y=2x-12\implies y=\cfrac{2x-12}{3}\implies y=\cfrac{2x}{3}-\cfrac{12}{3} \\\\\\ y=\cfrac{2}{3}x-4\impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}

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A clothes shop has some special offers. T-shirts are buy one get one free and jumpers are 3 for 2. The normal price of a T-shirt
zavuch27 [327]

Answer:

£53.40

Step-by-step explanation:

The shop has an offer where you:

buy 1 T-shirt and get 1 free

buy 3 jumpers and get 2 free

This means if a person pays for 1 T-shirt, he/she gets two and if he/she pays for 3 jumpers, he/she gets 5.

Therefore, to buy 4 T-shirt, you have to pay for 2 and to buy 5 jumpers, you have to pay for 3.

1 T- shirt costs £4.80, therefore, 2 will cost:

2 * 4.80 = £9.60

1 jumper costs  £14.60, therefore, 3 will cost:

3 * 14.60 = £43.80

Therefore, the customer will sped a total of:

43.80 + 9.60 = £53.40

The customer will pay £53.40 to get 5 jumpers and 4 T-shirts using this offer.

7 0
3 years ago
Christopher Christopher just found beautiful yarn for 20% off at his favorite yarn store. He can make one scarf from 2/3 of a ba
dimaraw [331]
2/3=.6 repeating
12/.6 repeating = 18
13 balls of yarn would be used to make 18 scarves.
7 0
4 years ago
Read 2 more answers
How do u find the unit rate? <br> Pls explain it with 18 miles in 3 hours <br> thx
Tomtit [17]
Let's turn this into a fraction using the given information we already have.

\frac{18}{3}  \frac{miles}{hour}

We want the denominator, or the bottom part of the fraction, to be 1 in order for us to have a unit rate.

This fraction can be simplified if we divide both the numerator and denominator by 3.

Numerator: 18/3 = 6

Denominator: 3/3 = 1

Now we have

\frac{6}{1} \frac{miles}{hour}

Any number divided by 1 is equal to that number.

6 \frac{miles}{hour}

Thus, your unit rate is 6 miles per hour.

Have an awesome day! :)

~AgentCozmo4, Junior Moderator
4 0
3 years ago
Read 2 more answers
Simify the expression (-11/2 x + 3) -2(-11/4 x -5/2)
Sedaia [141]
Hope this helps a friend

6 0
3 years ago
What time is it 2 hours and 50 minutes before 9:30 A.M.?
AnnyKZ [126]

9:30 am

go back 3 hours

6:30 am

add 10 minutes

6:40 am

8 0
3 years ago
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