-1 +- sqrt (1^2 -4(2)(-4))
-------------------------------
2(2)
-1 +- sqrt(1+32)
-------------------------
4
-1 +-sqrt(33)
----------
4
how many friends does she have
Answer:
It depends how many friends there are
Step-by-step explanation:
Answer:
$341.00
Step-by-step explanation:
"$ 18.00 each month."
$18.00*$12.00=$216.00
$216.00+$125.00=$341.00
hope this helpes
be sure to give brainliest
Answer:
-690/1000
Step-by-step explanation:
Answer: 7.5 miles
Step-by-step explanation:
think of it as a triangle; the bold line is the hypotenuse, or x.
8 |\ x
|_\ it's not a good triangle but you get the point
6
and then get out pythagorean theorem: a^2+b^2=c^2
put the numbers in: 8^2 + 6^2 = x^2
do some math:
64+36=x^2
100=x^2 (and then find square root)
10=x
BUT, it said each unit was 3/4 of a mile, so we must multiply 10 by 3/4 to get the actual distance, which is 7.5
−
5
y
=
14
Find
x
when
y
=
2
Answer:
4
Step-by-step explanation: