Can you help me with all those problems please

Mathematics

1 answer:

damaskus [11]3 years ago

5 0

18. A

19. A

20a. tbh i dunno

b. mmm

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Please show work Thxs

natta225 [31]

As the y intercept lies on the x-axis, x=0

To find the y-intercept, put x=0 into the equation:

$3(0) - 2y = - 18 \\ 0 - 2y = - 18 \\ - 2y = - 18 \\ y = \frac{18}{2} \\ y = 9$

Therefore,the y-intercept=9.

Hope it helps!

5 0

4 years ago

Read 2 more answers

It takes Miranda 30 minutes to paint 6 chairs. If Miranda paints at a constant rate, what is the constant of proportionality tha

Stells [14]

Answer:

1/5

Step-by-step explanation:

y = kx where k is the constant of proportionality

6 = k 30

Divide each side by 30

6/30 = k 30/30

1/5 = k

The constant is 1/5

6 0

4 years ago

Show the formula for finding the area of a triangle. Then find the area of a right triangle with a base of 19 cm and a height of

snow_tiger [21]

The answer is 61.75 because you have to do base times height then divide that answer by two

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3 years ago

What is the slope of the line: y = 2x - 1?

photoshop1234 [79]

Answer:

m=2

Step-by-step explanation:

7 0

3 years ago

The amount of caffeine in our bodies cuts in half every hour (50%). Most energy drinks contain around 200 milligrams of caffeine

Step2247 [10]

25 milligrams of caffeine

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3 years ago