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iogann1982 [59]
2 years ago
12

Decide whether the relation defines y as a function of x. Give the domain and range.

Mathematics
1 answer:
Bumek [7]2 years ago
7 0

Answer:

No, the function is not of x.

Step-by-step explanation:

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P:-3x + 8x - 5x = x<br><br> q: (3x)(5y) = 15xy<br><br> Which of the following statements is false?
Varvara68 [4.7K]

Answer: Statement p is false.

Step-by-step explanation:

In both cases, we need to isolate the variables:

p: -3*x + 8*x - 5*x = x

   (-3*x - 5*x) + 8*x = x

    -8x + 8*x = x

        0 = x

This will be true only for one value of x, so this is not always true, which means that the statement is false.

q: (3*x)*(5*y) = 15*x*y

let's solve the left side:

  3*x*5*y = 15*x*y

  (3*5)*(x*y) = 15*x*y

   15*x*y = 15*x*y

This is true for every value of x and y, then this statement is true.

5 0
2 years ago
Solve the inequality -d ≥ 0.5
Mariulka [41]

Answer:

d ≤ -0.5

Step-by-step explanation:

Multiply each term by -1

8 0
3 years ago
A computer store bought a program at a cost of ​$20 and sold it at a selling price of ​$25. Find the percent markup.
lions [1.4K]

i dont know, sorry...............................................

5 0
3 years ago
Read 2 more answers
Help quick
xeze [42]

48/53

Steps

15 inches = 1.25 feet

Ratio = 12 : 1.25

Simplified = 9.6 : 1

9.6 + 1 = 10.6

9.6/10.6 = 48/53

Checking...

12 feet = 144 inches

Ratio = 144 : 15

144 + 15 = 159

144/159 = 48/53

5 0
2 years ago
Read 2 more answers
Each pail of plaster covers 90 square feet of ceiling. What is the least number of plaster you would need to buy to cover the ce
denpristay [2]
You would need 3 pails of plaster, specifically about 2 pails and a fifth of another but you cant buy a fraction of a pail, so 3 pails are needed.
4 0
3 years ago
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