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never [62]
4 years ago
10

Select the ordered pairs that satisfy the equation y=1/3x

Mathematics
1 answer:
Natali5045456 [20]4 years ago
7 0

Answer:

B, D, E

Step-by-step explanation:

I am assuming that the equation is y = \frac{1}{3} * x and not y = \frac{1}{3x}.

Using y = (1/3)x, we can transpose the x, so that now we have y/x = 1/3.

Take note that the given options are in the format of (x, y). You can simply plug all the values, and whichever gave you a result of 1/3 is your answer.

B.) 2/6 = 1/3

D.) 5/15 = 1/3

E.) -1/-3 = 1/3

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Paula goes to the store and buys a binder, a folder, and a highlighter. The highlighter's cost is half the cost of the binder, a
tatyana61 [14]

Answer:

Cost of the binder = $5

Cost of the highlighter = $2.5

Cost of the folder = $2

Step-by-step explanation:

Let

Cost of the binder = x

Cost of the highlighter = 1/2x

Cost of the folder = x - 3

Total cost = $9.50

Total cost = Cost of the binder + Cost of the highlighter + Cost of the folder

9.50 = (x) + (1/2x) + (x-3)

9.50 = x + 1/2x + x - 3

9.50 + 3 = x + 1/2x + x

12.50 = 2x + 1/2x

12.50 = 2 1/2x

12.50 = 5/2x

x = 12.50 ÷ 5/2

= 12.50 × 2/5

= 25/5

x = $5

Cost of the binder = x = $5

Cost of the highlighter = 1/2x = 1/2*6 = $2.5

Cost of the folder = x - 3

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3 0
3 years ago
Eighty-eight percent of all people who try to do this ratio and proportion
Inessa [10]

Answer: 61 people have worked on this worksheet so far.

Step-by-step explanation:

Given: 80% people try to do this ratio and proportion  worksheet find they need some help with the problems.

Let x be the total number of people worked on this worksheet so far.

People need some help with the problems. =80% of x = 0.80x

As per given,

0.80x=49

\Rightarrow x=61.25\approx61

Hence, 61 people have worked on this worksheet so far.

8 0
3 years ago
In an arithmetic sequence {an}, if a1 = 5 and d = 3, the first 4 terms in the sequence are
velikii [3]

Answer:

Step-by-step explanation:

a(1) - 4

a(2) - 7

a(3) - 10

a(4) - 13

a(5) - 16

7 0
3 years ago
Answer fully show your work....I’m confused and lost. I think it’s point slope form but idk...
padilas [110]

You are correct. It is written in point slope form

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3 years ago
4x²-8xy<br> factorise completely
balandron [24]

Answer:

4x (x - 2y)

Step-by-step explanation:

Pull out what factors they both have and put it outside the parentheses, put the rest inside after dividing.

7 0
2 years ago
Read 2 more answers
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