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3 years ago

Multiple correct answers

Mathematics

1 answer:

tatuchka [14]3 years ago

5 0

Answer: the answers I got were "B" 5, and "D" 7.

Hope this helps

Step-by-step explanation:

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A total of raffle tickets were sold at a school fair

Elis [28]

Answer:

ok and what else there is 80 percent left

Step-by-step explanation:

6 0

3 years ago

A decimal number which ends after a finite number of digits after the decimal point is called a _ _ _ _ _ _ _ _ _ _ _ decima

Usimov [2.4K]

Terminating decimal is what ur looking 4

8 0

3 years ago

Read 2 more answers

Complete equation of the line through (1,4) and (2,2)

lions [1.4K]

Answer:

y = -2x + 6

Step-by-step explanation:

y=mx + c

m is the gradient and c is the y intercept

m = (y 2 - y 1) / (x 2 - x 1) = (2-4) / ( 2-1) = -2

y= -2x + c

To find c, just sub one of the coordinates into the eqn:

By using the coordinates (1,4)

4 = -2(1) + c

c = 6

Therefore, the equation is y = -2x + 6

3 0

3 years ago

For the function f(x) = –2(x + 3)2 − 1, identify the vertex, domain, and range.

gregori [183]

F(x) = -2(x + 3)^2 - 1
vertex = (-3, -1)
domain is all real number values of x and
range is all real numbers values of y less than or equal to -1.

5 0

3 years ago

Read 2 more answers

When Samuel commutes to work, the amount of time it takes him to arrive is normally distributed with a mean of 32 minutes and a

k0ka [10]

Answer:

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

And we can find the nnumber of deviations from the mean for each limit given:

$z_1 = \frac{17-32}{5} = -3$

$z_2= \frac{47-32}{5} = 3$

So we are 3 deviation from the mean and using the empirical rule we know that within 3 deviations from the mean we have 99.7% of the values

Step-by-step explanation:

Let X the random variable that represent the amount of time it takes him to arrive, and for this case we know the distribution for X is given by:

$X \sim N(32,5)$

Where $\mu=32$ and $\sigma=5$

We want to find this probability:

$P(17$

And we can use the z score formula given by:

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

And we can find the nnumber of deviations from the mean for each limit given:

$z_1 = \frac{17-32}{5} = -3$

$z_2= \frac{47-32}{5} = 3$

So we are 3 deviation from the mean and using the empirical rule we know that within 3 deviations from the mean we have 99.7% of the values

8 0

3 years ago