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2 years ago

Find the y-intercept: 8x-3y=0

Mathematics

1 answer:

Alla [95]2 years ago

3 0

Answer:

Step-by-step explanation:

The y-intercept is the value of y when x=0.

8(0) - 3y = 0

y = 0

y-intercept = 0

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Gertrude sold 104 cars last year. There are 52 weeks in a year. What was the rate at which she sold cars?

Debora [2.8K]

You are right. She sold 2 per week. 104/52=2

8 0

3 years ago

What is 0.8333 forever in a fraction

Nady [450]

There are a couple of different approaches you can use for this. Here's one.

1. Determine how many digits repeat. (There is just one repeating digit.)

2. Call your number x. Multiply x by 10 to the power of the number of digits found in step 1.

$x = 0.8\overline{3}\\10^{1}x=8.3\overline{3}$

3. Subtract the original number, then solve for x.

$10x-x=9x=8.3\overline{3}-0.8\overline{3}=7.5\\\\x=\dfrac{7.5}{9}=\dfrac{5}{6}$

_____

If you recognize that 0.333... (repeating) is 1/3, then you know that 0.0333... (repeating) is 1/10×1/3 = 1/30. Add that to 0.8 = 4/5 and you get

... 4/5 + 1/30 = 24/30 + 1/30 = 25/30 = 5/6

7 0

3 years ago

Read 2 more answers

At total of 2 feet of snow falls over three days on the first day 1/6 of the snow falls on the second day 7/12 of the snow falls

ioda

Answer:

$Day\ 3 = 1\frac{3}{12}$

Step-by-step explanation:

Given

$Total = 2ft$

$Day\ 1 = \frac{1}{6}$

$Day\ 2 = \frac{7}{12}$

Required

Determine the amount of snow on day 3

This can be calculated using:

$Day\ 1 + Day\ 2 + Day\ 3 = Total$

Substitute values for the known parameters

$\frac{1}{6} + \frac{7}{12} + Day\ 3 = 2$

Collect Like Terms

$Day\ 3 = 2 - \frac{1}{6} - \frac{7}{12}$

Take LCM

$Day\ 3 = \frac{24 - 2 - 7}{12}$

$Day\ 3 = \frac{15}{12}$

Express as mixed number

$Day\ 3 = 1\frac{3}{12}$

5 0

3 years ago

Which two lines below are perpendicular lines?

Naily [24]

Answer:

You said never mind, but I really like your username :)

Step-by-step explanation:

6 0

2 years ago

How should I solve for x and what is x?

algol [13]

Answer:

x =12

Step-by-step explanation:

We can use the Pythagorean theorem to solve for x

a^2 + b^2 = c^2

16^2 + x^2 = 20^2

256 +x^2 = 400

Subtract 256 from each side

256-256 +x^2 = 400-256

x^2 =144

Take the square root of each side

sqrt(x^2) =sqrt(144)

x = 12

8 0

3 years ago