Answer:
8% decrease
Step-by-step explanation:
First work out the difference decrease between the two numbers you are comparing. Then decrease the original number by the new number.Then divide the original number by the decrease and multiply the answer by 100.Next you divide the original number by the new number and multiply by 100. Finally you will get your answer.
Answer:
Step-by-step explanation:
Well, I really don’t like graphic approaches in math, so hear ya go a formula:
Although there are easier ways that work for some quadratics, but this formula works for them all. (It is atached, have a look)
So,
( -(-2)+- square root of ((-2)^2-4(1)(-40)) ) / 2(1)
Note that for a hear I use one, since there is nothing in front of x.
( 2 + (12.8) ) / 2 < with plus
( 2 -(12.8) ) / 2 < with minus
X = 7.4
Or
X = -5.4
(Quad equations have 2 answers)
Answer:
2.56
Step-by-step explanation:
To find out how many pages the printer prints per minute, you need to divide the amount of pages it printed with how long it printed.
So 23÷9
Which equals 2.55555555-
Round 2.5555555 to the nearest hundredth you get 2.56.

Distribute -3.2 through the parentheses

Cancel equal terms on both sides of the equation

Add the decimals

<em>Thus, The expression are equivalent at b = 9.12...~</em>
Answer:
2
Step-by-step explanation:
6 and 8 are quite more common.