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3 years ago

Which of the following numbers are irrational? A.9/15 B.18 squared C.9 squared D.169 squared E. 78 squared

Mathematics

1 answer:

finlep [7]3 years ago

6 0

Answer is <span>A.9/15
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</span><span />

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not a finite number of numbers when written as a decimal.

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Which of these equations represent functions? Check all that apply.

netineya [11]

The answer to the question is D

7 0

3 years ago

Write an expression that represents the sum of 7and x

Lady_Fox [76]

Answer:

$7 + x$

Step-by-step explanation:

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3 years ago

Read 2 more answers

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

WILL GIVE BRAINLIEST AND FOLLOW!! Last Question... A,B,C, or D

rodikova [14]

P=115-n
115-n+4.25n=358.75
3.25n=243.75
N=75
P=40
(40,75)
The answer is D

6 0

3 years ago

The area of a rhombus is 72 m2. One<br> diagonal is 18m. Find the other diagonal.

miskamm [114]

Answer:

Other diagonal is 8 m

Step-by-step explanation:

area of rhombus = 72 m²

½ × diagonal 1 × diagonal 2 = 72

½ × 18 × d2 = 72

9 × d2 = 72

d2 = 72/9

d2 = 8

7 0

1 year ago