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29.01.2021 •
Mathematics
Can you please answer this
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Ответ:
4:1 or 4/1
Step-by-step explanation:
To do this, first find the number of free throws he missed by doing 15 - 12 = 3.
Then, the ration would just be 12:3 and would simplify to 4:1. As a fraction, this is 4/1
Ответ:
Step-by-step explanation I have drawn a graph in which there are two points
p
1
(
x
1
,
y
1
)
and
p
2
(
x
2
,
y
2
)
.
We can easily say that
¯¯¯¯¯¯
O
D
=
x
1
;
¯¯¯¯¯¯
O
E
=
x
2
;
¯¯¯¯¯¯
A
D
=
y
1
;
¯¯¯¯¯¯
E
B
=
y
2
We also have a rectangle
□
O
C
E
D
. So,
¯¯¯¯¯¯
A
C
=
¯¯¯¯¯¯
D
E
and
¯¯¯¯¯¯
A
D
=
¯¯¯¯¯¯
C
E
Now,
¯¯¯¯¯¯
A
C
=
¯¯¯¯¯¯
D
E
=
¯¯¯¯¯¯
O
E
−
¯¯¯¯¯¯
O
D
=
(
x
2
−
x
1
)
¯¯¯¯¯¯
B
C
=
¯¯¯¯¯¯
B
E
−
¯¯¯¯¯¯
C
E
=
¯¯¯¯¯¯
B
E
−
¯¯¯¯¯¯
A
D
=
(
y
2
−
y
1
)
With the help of Pythagorean theorem,
¯¯¯¯¯¯
A
B
2
=
¯¯¯¯¯¯
B
C
2
+
¯¯¯¯¯¯
A
C
2
¯¯¯¯¯¯
A
B
2
=
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
¯¯¯¯¯¯
A
B
=
√
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
N.B:- As it is a square value , you may take
(
x
1
−
x
2
)
or,
(
x
2
−
x
1
)
. I mean you have to take difference.That's
(
x
1
~
x
2
)
So, the required formula is proved that
If the distance between two points
p
1
(
x
1
,
y
1
)
and
p
2
(
x
2
,
y
2
)
is
r
,
then,
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
∣
∣
∣
r
=
√
(
x
1
−
x
2
)
2
+
(
y
1
−
y
2
)
2
∣
∣
∣
−−−−−−−−−−−−−−−−−−−−−−−−−−−
Hope it helps...
Thank you...
Sunayan S · 1 · Apr 6 2018
How do you find the distance when given two coordinate points?
Distance Formula
The distance
D
between two points
(
x
1
,
y
1
)
and
(
x
2
,
y
2
)
can be found by
D
=
√
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
Example
Find the distance between the points
(
1
,
−
2
)
and
(
5
,
1
)
.
Let
(
x
1
,
y
1
)
=
(
1
,
−
2
)
and
(
x
2
,
y
2
)
=
(
5
,
1
)
.
By Distance Formula above,
D
=
√
(
5
−
1
)
2
+
[
1
−
(
−
2
)
]
2
=
√
16
+
9
=
√
25
=
5
I hope that this was helpful.: