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3 years ago

Sixteen more than twice a number,m, is 36. write an equation and solve to find the number.

Mathematics

1 answer:

Dimas [21]3 years ago

3 0

32m=36
m=36/32
m=9/8
that's the correct answer

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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.

8 0

2 years ago

Whats 8+0.3 in standard form and word form

Rudik [331]

8 + 0.3 =

Standard . . . 8.3

Words . . . "eight and three tenths".

3 0

3 years ago

Read 2 more answers

Margaret is saving money for her summer vacation. She calculates that her starting amount is 0.4% of the total amount she wants

garri49 [273]

0.4% can be written as 0.004 in decimal.

Step-by-step explanation:

Let the total amount she wants to save be 'a'

Starting amount = 0.4% of the total amount

= 0.4% of a

= (0.4/100) a

0.4% = 0.4/100

= 0.004

0.4% can be written as 0.004 in decimal.

5 0

3 years ago

The point which divides the line segment joining the points (2, -6) and (3, 4) in the ratio 1 : 2 internally lies in the

ludmilkaskok [199]

According to someone else on brainly it says he point which divides the line segment joining the points 8,-9 and 2,3 in the ratio 1:2 internally lies in the quadrant

8 0

3 years ago

HELP I WILL MARK BRAINLIEST

Shkiper50 [21]

Answer:

308

Step-by-step explanation:

22 x 15.4 = 338.8

338.8 / 1.1 = 308

5 0

2 years ago