2 years ago

What is the constat proportionlity in the equation 3y=2x

1 answer:

7 0

Answer:What is the proportionality constant in the 3y 2x equation? Since the equation can be written in the form y = kx y = k x, y varies directly with x and k. The variation constant k is 23.

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Solve 2x2 – 3x = 12 using the quadratic formula.

icang [17]

Quadratic Formula: (-b +/- sqrt(b^2 - 4ac)) / 2a

2x^2 - 3x = 12

2x^2 - 3x - 12 = 0

a = 2

b = -3

c = -12

(--3 +/- sqrt( (-3)^2 - 4(2)(-12) )) / 2(2)

3 +/- sqrt( 9 + 96 ) / 4

3 +/- sqrt(105) / 4

Answers: $\frac{3 + \sqrt{105} }{4}$ , $\frac{3 - \sqrt{105} }{4}$

Hope this helps!

8 0

2 years ago

Lorenzo reads at a rate of 45 words per minute. If he reads at a constant rate, how many words can he read in 6 minutes?

Reil [10]

Lorenzo can read 270 words in 6 minutes

4 0

2 years ago

What is the volume of a rectangular prism when the measures are

grin007 [14]

L:8

W:16

H:24

8*16*24=3072

The answer is A

6 0

3 years ago

Three teams, A, B and C, play in a competition.

Snezhnost [94]

Answer:

42 games

Step-by-step explanation:

From the ratio, we can deduce that;

For every 3 games A won, B won 1

Thus, if B won 10, then A has won 3(10) = 30

From the second part;

For every 1 game won by C, B won 5

since B won 10, then C won 10/5 = 2

So the total number of games won is;

A + B + C

= 2 + 30 + 10 = 42 games

3 0

2 years ago

For the function f(x)=5/4x−2, find the value of f (6). Express your answer as a fraction.

siniylev [52]

Answer:

f(6) = $\frac{5}{22}$

Step-by-step explanation:

To evaluate f(6) substitute x = 6 into f(x), that is

f(6) = $\frac{5}{4(6)-2}$ = $\frac{5}{24-2}$ = $\frac{5}{22}$

7 0

2 years ago