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3 years ago

Whats constant of proportanility

1 answer:

6 0

constant of proportionality - the constant value of the ratio of two proportional quantities x and y; usually writteny = kx, where k is the factor of proportionality

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A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the prob

lions [1.4K]

The probability of the last digit is 3 is1/7

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3 years ago

4. What is the system of equations that describes the following graph?

GarryVolchara [31]

Answer:

The system of inequalities is

$y$

$y>0.25x$

Step-by-step explanation:

step 1

Find the equation of the dashed line with negative slope

The line passes through the points

(0,-2) and (-2,0)

Find the slope

$m=(0+2)/(-2-0)=-1$

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$m=-1\\b=-2$

substitute

$y=-x-2$

The solution of the inequality is the shaded area below the dashed line

therefore

The equation of the inequality A is

$y$

step 2

Find the equation of the dashed line with positive slope

The line passes through the points

(0,0) and (4,1)

Find the slope

$m=(1-0)/(4-0)=0.25$

Find the equation of the line (direct variation)

$y=kx$

we have

$k=0.25$

substitute

$y=0.25x$

The solution of the inequality is the shaded area above the dashed line

therefore

The equation of the inequality B is

$y>0.25x$

therefore

The system of inequalities is

$y$

$y>0.25x$

4 0

3 years ago

I really need help please

Anna [14]

Answer:

a kite

Step-by-step explanation:

because the question asks what special quadrennial is formed by connecting the midpoints

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3 years ago

35percent as a fraction in simplest form

Luden [163]

Answer:

7/20

Step-by-step explanation:

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3 years ago

A+5=5a+5 how do i do this problem

Natali5045456 [20]

Answer:

0 = a

Step-by-step explanation:

The first thing to do is subtract 5 from both sides.

a + 5 = 5a + 5

- 5 - 5

The 5's cancel out.

Now we have a + 0 = 5a

You next subtract the a from both sides.

a + 0 = 5a

-a -a

0 = 4a

Lastly would to get a by itself so then we divide 4 from both sides

0 = 4a

_ _

4 4

0 = a

5 0

3 years ago