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3 years ago

F(x) = -2x+5 maka nilai f(-4)

Mathematics

1 answer:

nydimaria [60]3 years ago

8 0

If you are simplify the problem it is 2x+5 hope you enjoy your answer.

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Iihhhhhhhhhhhhhhhhhhhhiiiiiiiiiiii

Sever21 [200]

Answer:

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Step-by-step explanation:

8 0

3 years ago

You make $7 an hour. You work 40 hours a week for a year. (52 weeks) How much will you make?

valina [46]

If you made $7 an hour and worked for 40 hours, every day for a year, you would make $14,560 a year and about $1,213.33 a month.

Because 7 x 40 = 280 (which is how much money you make a week.)

And 280 x 52 = 14,560 (because you would work for 52 weeks).

I hope this helped! Good luck and have a great night!

8 0

2 years ago

At what value of x do the graphs of the equations below intersect?

Brums [2.3K]

I think they intersect t the point 2,-2
So from there you can work out the value of x

3 0

3 years ago

Read 2 more answers

3 math questions plz help 1.A spherical container has a radius of 1 yard. It is filled with a liquid fuel that costs $10 per cub

coldgirl [10]

Ill tell u the answer to number 1 in a couple of minutes

4 0

2 years ago

If 5% of all vehicles travel less than 39.15 m/h and 10% travel more than 73.23 m/h, what are the mean and standard deviation of

Fantom [35]

Answer:

Standard deviation = 11.30 m/h

Mean = 57.74 m/h

Step-by-step explanation:

Assume that the travel speed is normally distributed.

The corresponding z-score to the 5th and 90th percentile of normal distribution are, respectively, -1.645 and 1.282.

For any given speed X, the z-score is:

$z= \frac{X-\mu}{\sigma}$

If z = -1.645 for X = 39.15 and z= 1.282 for X=72.23, the following system can be solved for the mean and standard deviation of vehicle speed:

$-1.645= \frac{39.15-\mu}{\sigma}\\1.282= \frac{72.23-\mu}{\sigma}\\\\-1.645 -1.282 = \frac{39.15-72.23}{\sigma} \\\sigma=11.30\ m/h\\\mu =72.23-(1.282*\sigma)\\\mu=57.74\ m/h$

The standard deviation is 11.30 m/h and the mean is 57.74 m/h.

3 0

3 years ago