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Shalnov [3]
2 years ago
9

HELP PLS HELP PLS PLS PLS HELP

Mathematics
1 answer:
Vinil7 [7]2 years ago
3 0

9514 1404 393

Answer:

  1. Proportional, y = 3 times x
  2. Not proportional

Step-by-step explanation:

The graph shows a proportional relationship if it is a straight line that goes through the origin (0, 0). The constant of proportionality can be found by looking for the y-value when x = 1.

1) The graph is a straight line that goes through the origin. The relationship is proportional. When x=1, y=3, so ...

  y = 3 times x

__

2) The graph does not go through the origin. The relationship is Not Proportional.

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Can someone please help me thanks :)
Dmitrij [34]
29 degrees. You can just add 12 and 17 to find this, since the 12 is negative
7 0
3 years ago
At a drive through restaurant Juan’s family ordered a small drink and m medium drinks. Alex’s family ordered m medium drinks and
sertanlavr [38]

<u>Answer: </u>

Expression x + 2my + z represents cost of order where x, y, z are cost of small , medium and large drinks (in dollars) respectively.

<u>Solution: </u>

Given that  

Juan’s family ordered a small drink and m medium drinks.

Alex family ordered m medium drinks and a large drink.

Need to write an algebraic expression which shows total cost of both order in dollars.

Let’s assume cost of one small drink = x

And assume cost of one medium drink = y

And assume cost of one large drink = z

So now cost of order of Juan’s family is equal to cost of 1 small drink + cost of m medium drinks = 1 \times x + m \times y

= x + my

And cost of order of Alex family is equal to cost of m medium drinks + cost of one large drink

= m x y + 1 x z

=my + z

So total cost of both order in dollars = x + my + my + z = x + 2my + z

Hence expression x + 2my + z represents cost of order where x , y , z are cost of small , medium and large drinks (in dollars) respectively.  

5 0
3 years ago
You are given that a wheel has a radius of 2 feet and a spin rate of 10 revolutions per minute. Describe how you would determine
igomit [66]

Answer:

2.09.ft/min

Step-by-step explanation:

There is a formula for the linear velocity using rpm:

V = (2π)/60 * r * rpm

V = (2π)/60 * 2ft * 10 = 2.09ft/min

4 0
3 years ago
Read 2 more answers
What re the solutions of the equation x^2 +4x+4 = 25?
Oliga [24]
Get everything on one side: x^{2} +4x-21=0.  Now we can factor to find the solutions.  What we ask ourselves here is "What 2 numbers will add to be +4 and multiply to be -21?"  +7 and -3 work because 7-3 = 4 and 7 * -3 = -21.  So our factors are (x+7)(x-3).  Our solutions, however, are found using the Zero Product Property.  If x + 7 = 0, then x = -7.  If x - 3 = 0, then x = 3.  So our solutions are x = -7 and x = 3.
3 0
3 years ago
Please help me if you know it
Diano4ka-milaya [45]

Answer:

The answer is the third one

Step-by-step explanation:

I don't know the explanation I know the answer because I have that as my homework questionand my mom helped me I didn't know what she was saying but she said it is the third kne

8 0
2 years ago
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