3 years ago

Choose the list of numbers that are examples of multiples of 4.

Mathematics

1 answer:

dybincka [34]3 years ago

7 0

The second option! 16, 20, 24, 28 can all be divided by 4

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Lester baked 36 cookies with 4 scoops of flour. How many scoops of flour does Lester need in order to bake 45 cookies? Solve usi

Snowcat [4.5K]

Okay so this took some time but

you need 1 more cup.

in each cookie there is 1/9th of a cup so to make 45 cookies you need 1 more cup. WE COULD BE COMPLETELY WRONG

5 0

3 years ago

Sam ran 3/5 of a mile in 1/6 of an hour. How far could he run in an entire hour?

Leno4ka [110]

Answer:

Step-by-step explanation:

3/5 x 6 = 3 3/5

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3 years ago

Quality control studies for Speedy Jet Computer Printers show the lifetime of the printer follows a normal distribution with mea

Anika [276]

Answer:

About 3 years Speedy Jet printers be guaranteed.

Step-by-step explanation:

Given : Quality control studies for Speedy Jet Computer Printers show the lifetime of the printer follows a normal distribution with

mean $\mu = 4$ and standard deviation $\sigma = 0.78$

If the company wishes to replace no more than 10% of the printers.

To find : How long should Speedy Jet printers be guaranteed ?

Solution :

Using Z- table,

Z value corresponding to 10% or 0.10 = -1.28.

Applying z-score formula,

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

The value of x is given by,

$x=(z\times \sigma)+\mu$

Substitute the values,

$x=(-1.28\times 0.78)+4$

$x=-0.9984+4$

$x=3.0016$

So, approx 3 years.

Therefore, About 3 years Speedy Jet printers be guaranteed.

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3 years ago

Here is a centimetre square grid.<br> Draw a shape with an area of 11cm squared.

aksik [14]

Answer in photo

NOTE: I'm not sure the answer may not be true

Good Luck

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