2 years ago

The point (4, 12) is an ordered pair in a proportional relationship. What equation represents this relationship?

Mathematics

1 answer:

stira [4]2 years ago

3 0

Answer:

$from \: the \: question \\ y =k x - - - (i)\\ where \: k \: is \: the \: constant \: of \: proportionality \\ for \: the \: point \: given \\ y = 12 \: and \: x = 4 \\ from \: (i) \\ 12 = (k \times 4) \\ k = \frac{12}{4} \\ k = 3 \\ substitute \: for \: k \: in \: (i) \\ y = 3x$

You might be interested in

Solve for the unknown in each triangle

Yuri [45]

The unknown angle would be 79 degreese.

6 0

2 years ago

Trapezoid ABCD has an area of 525 cm squared. If height AB = 21 cm and BC = 37 cm, what is the measure of AD?

Annette [7]

Answer:

AD = 13

Step-by-step explanation:

Area of trapezoid ABCD

$= \frac{1}{2} (AB + AD) \times AB \\ \\ 525= \frac{1}{2} (37+ AD) \times21\\ \\ 525 \times 2= (37+ AD) \times21 \\ \\ 1050 = 21 \times 37 + 21AD \\ \\ 1050 = 777+ 21AD \\ \\ 21AD = 1050 - 777 \\ \\ 21AD = 273 \\ \\ AD = \frac{273}{21} \\ \\ AD = 13$

8 0

2 years ago

Whats the answer to the qwestion? 2+2

motikmotik

Answer: 4 also fish

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

*UNIT RATE AND PROPORTIONS*

Advocard [28]

Answer:

Unit rate is $7 per pound.

6 pounds will cost $42

You can buy 10 pounds for $70

Step-by-step explanation:

28/4 = $7 --> Unit rate is $7 per pound.

7 × 6 = $42 --> 6 pounds will cost $42

70/7= 10 --> You can buy 10 pounds for $70

3 0

2 years ago

Hans is choosing a 2- letter password from the letters A, B, C, D, and E. The password cannot have the same letter repeated in i

Alika [10]

There are 5 letters

there are 5 possibilities for the first letter, and 4 possibilities for the second letter after the first letter is used up

so 5 * 4 = 20 possibilities

3 0

2 years ago

Read 2 more answers