2 years ago

----------- are used to represent an unknown quantity in a mathematical expression.

Mathematics

2 answers:

anastassius [24]2 years ago

4 0

A letter or symbol is used to represent an unknown quantity

Ber [7]2 years ago

4 0

Answer:

variables

Step-by-step explanation:

You might be interested in

Write in exponential notation: 301=

dalvyx [7]

Answer:

$3.01 * 10^2$

Step-by-step explanation:

Hope this helps!

4 0

2 years ago

You went to the mall with $80. You spent 25% of your money on a pair of shorts and 65% of the remainder on sandals. How much did

Lapatulllka [165]

He spent $52 on sandals. I got this by multiplying 65% by $80 and got $52.

In short answer $52

4 0

2 years ago

Read 2 more answers

One type of insect is 0.0052 meter long. What is this length in scientific notation?

____ [38]

Ok so...

You want to move the decimal point to the right until the number is greater than 1 but less than 10.

The number will end up being 5.2

You moved the decimal point 3 times to the right.
So it will be 5.2 x 10^-3. It is negative because you moved it to the right. The exponent would be positive if you moved it to the left

5 0

2 years ago

Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (a) what are

Vika [28.1K]

The sample mean is equal to the population mean.
$\bar{X}=\mu=40$
The standard deviation of X-bar (the standard error) is:
$S.E.=\frac{\sigma}{ \sqrt{n} }=\frac{5}{\sqrt{64}}=0.625$

6 0

2 years ago

Can you help, i'm not to good with postulates and theorems.

wariber [46]

Dont see an image. please send again

8 0

3 years ago