Answer:
C, D
Step-by-step explanation:
This equation can be solved any of several ways. One that doesn't require much thought is using the quadratic formula.
For ax² +bx +c = 0, the solutions are ...
In the given equation, a=2, b=11, c=5, so this becomes ...
The solutions are ...
C. x = -5
D. x = -1/2
_____
My personal favorite is using a graphing calculator. The solutions are the x-intercepts of the expression on the left. That is, where its value is zero, as the equation says.
Answer:
1/16 of the class are left handed boys but we do not know the amount of left handed girls so we cannot be sure.
Step-by-step explanation:
1/2 * 1/8 = 1/16
there is still no way to be sure of how many girls are left handed so you should probably make a note by the problem so the mistake on the test will be realized
Answer:
et the sales done by Mr. Gonzalex each month is
x
.
Then the annual sales are
12
x
.
Thus, since the annual sales are
12
x
, the commission earned is
0.04
×
12
x
.
Thus, since Mr Gonzalez want to make $60,000 this year, we get the equation -
$
18
,
000
+
0.04
×
12
x
=
$
60
,
000
0.04
×
12
x
=
$
42
,
000
12
x
=
42
,
000
.04
=
42
,
00
,
000
04
=
10
,
50
,
000
x
=
10
,
50
,
000
12
=
$
87
,
500
Thus, the monthly sales that Mr Gonzalel needs to do are $87,500.
Step-by-step explanation:
