45% of 54 = 24.3
54 - 24.3 = 29.7
So the new price is $29.7
Hope it helps!
If you're meaning a value between 11 and 20, write
11<x>20 and put a line under the < and > which indicates that x could also equal 11 or 20. x doesnt only have to be a value between 11 and 20, but it can equal the numbers too.
<span>i dont think that makes a lot of sense but if you were to say the answer out loud, the answer would be "x (which is any value) is more than or equal to 11 and less than or equal to 20"</span>
Answer:
5 15/22 hours
5.6818 hours
Step-by-step explanation:
Distance is equal to the rate times the time
D = rt
We know the rate = 88 km/hr and the distance = 500 km
Substitute these in
500 = 88 *t
Divide each side by 88
500/88 = 88t/88
5 15/22 hours
5.6818 hours
750 copies per every ten minutes
Answer:
A.
y
=
−
2
x
−
3
.
Explanation:
First, rewrite the equation in slope-intercept form:
y
=
m
x
+
b
.
−
x
+
2
y
=
4
⇒
2
y
=
x
+
4
⇒
y
=
1
2
x
+
2
So the slope of the given line is
m
=
1
2
.
Lines that are perpendicular have slopes that are negative reciprocals of each other. Meaning, if a line has slope
m
, then a line perpendicular to this has slope
m
*
=
−
1
m
. That means the slope of our perpendicular line is
m
*
=
−
1
1
/
2
=
−
2
.
Knowing the new slope and a point, we can find an equation for our perpendicular line by using the slope-point equation
y
−
y
1
=
m
(
x
−
x
1
)
, or by plugging in the given
(
x
,
y
)
point (and the new slope
m
*
) into
y
=
m
x
+
b
to find
b
for the new line.
y
−
y
1
=
m
(
x
−
x
1
)
⇒
y
−
1
=
−
2
[
x
−
(
−
2
)
]
⇒
y
−
1
=
−
2
[
x
+
2
]
⇒
y
=
−
2
x
−
3
or
y
=
m
x
+
b
⇒
1
=
−
2
(
−
2
)
+
b
⇒
1
=
4
+
b
⇒
b
=
−
3
∴
y
=
m
x
+
b
becomes
y
=
−
2
x
−
3
.
Step-by-step explanation: