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bogdanovich [222]
3 years ago
13

For a direct variation the constant of variation and the slope will always be

Mathematics
2 answers:
vovangra [49]3 years ago
5 0

Answer:

Constant: 0

Slope: k (constant of proportionality)

Step-by-step explanation:

y = kx is the general form of a direct variation between x and y

Anastasy [175]3 years ago
3 0

Step-by-step explanation:

constant variation is direct and the slope is constant

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Each flower has a specific price. One tulip, one daisy, and 2 mums cost $4.20. On tulip, two daisies and one mum cost $3.80. Two
sineoko [7]

Answer:

The answer to your question is $5.60

Step-by-step explanation:

    1 tulip + 1 daisy + 2 mums = $4.20           (1)

    1 tulip + 2 daisies + 1 mum = $ 3.80         (2)

    2 tulips + 2 mums = $4.80                        (3)

    1 tulip + 3 daisies + 2 mums = ?

tulip = t      daisy = d      mum = m

Process

1.- Find the price of each flower using system of equations

    Solve equation 3 for tulip

     2t = 4.80 - 2 m     divide by 2                            (4)

     t = 2.40 - 1m

2.- Substitute equation 4 in equation 1 and 2

    (2.4 - 1m) + 1 d + 2 m = 4.2

    (2.4 - 1m) + 2d + 1 m = 3.8

3.- Simplify and solve for each flower

     2.4 - 1m + 1d + 2m = 4.2

      1d + 1m = 4.2 - 2.4

      1d + 1m = 1.8                   Equation (5)

     2.4 - 1m + 2d + 1m = 3.8

     2d = 3.8 - 2.4

     2d = 1.4

     d = 1.4/2

     1d = 0.7

4.-  Substitue d in equation 5

     1(0.7) + 1m = 1.8

     0.7 + 1m = 1.8

     1m = 1.8 - 0.7

      1m = 1.1

5.- Subtitute m in equation 4

     1t = 2.40 - 1(1.1)

     1t = 2.40 - 1.1

      1t = 1.3

6.- Result

     1 tulip + 3 daisies + 2 mums cost = 1.3 + 3(0.7) + 2(1.1)

                                                            = 1.3 + 2.1 + 2.2

                                                            = $5.6

8 0
3 years ago
if Hayden had 1224 golden apples and jenny had 1889 golden apple how many would the have all together
harina [27]
So, Hayden has 1224 Apples
Jenny has 1889 Apples. 

All your doing is ADDING the apples to get your answer of : 3113 apples together. 
4 0
3 years ago
What is the slope of the line 3 + 4x = 2y - 9
SSSSS [86.1K]
Hello! 

Ok so ideally we would like to see this in y=mx+b form. But it will take some algebreic skills to ninja our way through this. 

I'll show my steps so you can follow, 

3+4x = 2y - 9 (original equation) 

Next we just add 9 to both sides, 

12 + 4x = 2y, now we can divide both sides by 2,

y=2x+6 as our final equation. This is in y=mx+b form, thus the slope of our line is 2 because the 2 is sitting in the m space of the equation. If you  still dont understand linear stuff, I'd google slope-intercept form 

Hope this helped!
7 0
3 years ago
Kyle wants to put fencing around his rectangular shaped yard. The length is 12.5 feet and the width is 8.4 feet. How much fencin
Kay [80]

Answer:

20.9

Step-by-step explanation:

The length and width would be 20.9 if you add then divide the formula give its different sometimes

3 0
2 years ago
What is 1200/480 as a mixed number
Evgesh-ka [11]
=(120/48)
=5/2
=(4/2)+(1/2)
=2+(1/2) or 2.5
8 0
2 years ago
Read 2 more answers
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