An increase of 2 cm in length

Answers

Answer 1

Answer:

Answer:

it equals 2cm increase in length

Step-by-step explanation:

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The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds.From the data, we can conclude that the number of men weighing more than 165 pounds is about , and the number of men weighing less than 135 pounds is about .
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What is the average of 30, 40, and 80?

Simplify
(1/81) to the 1/4 power

Answers

${ \left( \frac { 1 }{ 81 } \right) }^{ \frac { 1 }{ 4 } }\n \n =\sqrt [ 4 ]{ \frac { 1 }{ 81 } } \n \n =\frac { 1 }{ 3 }$

This is because...

$\frac { 1 }{ 3 } * \frac { 1 }{ 3 } * \frac { 1 }{ 3 } * \frac { 1 }{ 3 } =\frac { 1 }{ 81 }$

If the average of three numbers is V if one number is Z and another is y what is the remaining number ?

Answers

The remaining number, using the concept of average, is $3V-y-z$

It is given that

Average of three numbers = V

One number = z

Another number = y

What is an average?

Average is the sum of observations divided by a number of observations.

Let us take the third number x

From the question

$(x+y+z)/(3) = V$

$x+y+z = 3V\n\nx=3V-y-z$

Therefore, the remaining number is $3V-y-z$

To get more about the average visit:

brainly.com/question/6504879

The formula for an average of three numbers is (x+y+z)/3. So if V equals the average, then we find the formula
V = (x+y+z)/3
We are now looking for x. We can divide each of the variables in the parentheses by 3, making the formula
V = x/3 + y/3 + z/3
So now bring the unwanted variables to the same side as V.
V - y/3 - z/3 = x/3
Now multiply both sides by 3 to find x.
3V - y - z = x

x = 3V - y - z

40 Jenny is buying gifts for her family. So far she has spent $45,95, and she has one more gift to buy. She started with a total of $60 to spend on all of her gifts Write an inequality that shows how much she can spend on the final gift

Answers

Greetings!

Answer:

$x \leq 14.05$

Step-by-step explanation:

First, to find the boundary we need to find the amount of money left, simply subtract the spent amount from the total:

60 - 45.95 = 14.05

Seeing as this is the amount, she can spend any amount up to and including 14.05, so we need an equal to or smaller than sign:

Let x be the value of the object:

$x \leq 14.05$

Which is the inequality!

Hope this helps!

What is 39/40 simplified

Answers

It cannot be simplified,
but in decimal it is
0.975

At the metal-casting company where you work, you must set up a conveyor system to move castings from the furnace to the heat treatment area 55 yards away. The castings cool at the rate of 0.3°F (degrees Fahrenheit) per second and must not be allowed to cool more than 7°F before being heat treated. What is the minimum speed, in feet per second, that the conveyor must move?