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3 years ago

Answer answer answer plzz

Mathematics

1 answer:

beks73 [17]3 years ago

4 0

Answer:

g > 6

Step-by-step explanation:

- $\frac{2}{3}$ g < - 4 ( multiply both sides by 3 to clear the fraction

- 2g < - 12

Divide both sides by - 2 , reversing the symbol as a result of dividing by a negative quantity.

g > 6

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Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of

kirza4 [7]

Answer:

$P(X < 24 )= 21.186\%$

$x = 19.78 \ months$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 26 \ months$

The standard deviation is $\sigma = 4 \ months$

Generally 2 year is equal to 24 months

Generally the percentage of total production will the company expect to replace is mathematically represented as

$P(X < 24 )= P(\frac{X - \mu }{ \sigma} < \frac{24 - 26}{4} )$

Generally $\frac{X - \mu}{\sigma } =Z (The \ standardized \ value \ of \ X )$

$P(X < 24 )= P(Z < -0.8 )$

Generally from the z-table

$P(Z < -0.8) = 0.21186$

$P(X < 24 )= 0.21186$

Converting to percentage

$P(X < 24 )= 0.21186 * 100$

=> $P(X < 24 )= 21.186\%$

Generally the duration that should be the guarantee period if Accrotime does not want to make refunds on more than 6% is mathematically evaluated as

$P(X < x) = P(\frac{X - \mu }{\sigma} < \frac{x - 26}{4} )= 0.06$

=> $P(X < x) = P(Z < \frac{x - 26}{4} )= 0.06$

From the normal distribution table the z-score for 0.06 at the lower tail is

$z = -1.555$

$\frac{x - 26}{4} = -1.555$

=> $x = 19.78 \ months$

7 0

3 years ago

If WX= 82 cm, find the length of YZ. (OV = 9cm and OV is perpendicular to YZ)

damaskus [11]

The length of the measure of YZ is 80cm

<h3>Perpendicular lines</h3>

Perpendicular lines are lines that are at angle 90 degrees to each other. From the given diagram;

WX = 82cm

Required

Length. of YZ

Using the pythagoras theorem

YV = VZ = √41²-9²

YV = VZ = √1600

YV = VZ = 40

Since YZ = YV + VZ

YZ = 40cm + 40cm

YZ= 80cm

Hence the length of the measure of YZ is 80cm

Learn more on perpendicular lines here: brainly.com/question/1202004

#SPJ1

5 0

2 years ago

How do you solve this?

Sholpan [36]

40% of 60 is 24

To convert from percent to decimal, divide the percent without the percent symbol by 100.

so, 40% = 40/100 = 0.4

40% 60 is just 0.4*60 = 24

6 0

3 years ago

Read 2 more answers

Which of the sums below can be expressed as 7(4 9)? 28 9 28 637 6311 16?

Kay [80]

Can you go deeper into the question?

3 0

3 years ago

Ms. Jackson bought a new car. It cost $9,360. She paid 10% As a down payment. How much was her down payment?

BigorU [14]

Answer:

$936

Step-by-step explanation:

10% is just divided by 10 so 9360 divided by 10 is 936

7 0

3 years ago