Ok so remember
order of simplification
PEMDAS
parenthaseese
exponents
multiplicaton or division whichever comes first
addition or subtraction whichever comes first
ok so remmeber work from the left to right parenthasees first and work from inside to outer parenthasees
so first one
innermost parenthasees first so
first step is 2-4
subtract 4 from 2
second one
if xy=0 then assume x and y=0 so
(a+2)(b-9)=0
a+2=0
a=-2
b-9=0
b=9
so answe ris a=-2
b=9
third questions
innermost parenthaees first
subtract 4 from 2
ok
1. subtrac 4 from 2
2. a=-2, b=9
3. subtract 4 from 2
Answer:
The unknown number is 1.
Step-by-step explanation:
You have to form an expression. So let's make the unknown number as x. Firstly, a number is multiplied by 5 :
Secondly, 5 is added to product and you will get 10 :
Lastly, you have to solve :
Answer:
8 seconds
Step-by-step explanation:
The length of the water slide is 376 feet and Lainey is sliding down at a rate of 47 feet per second. That is her speed.
Speed is given as distance divided by time or the time rate of displacement.
Therefore, time is:
Time = distance / speed
Therefore, the time it will take Lainey to get from the top to the bottom is:
Time = 376 / 47 = 8 seconds
It will take her 8 seconds to get from the top to the bottom.
I dont know .... I havent done this in awhile but ill tell my friend whos good with math to help you
The radius of the circle is the distance between the center and a point on the circle so here it is:-
sqrt ( (5- -3)^2 + (-4-2)^2) = sqrt 100
So, using the general form (x - a)^2 + (y - b)^2 = r^2, our equation is:-
(x - 5)^2 + (y + 4)^2 = 100 answer
