Is BC=2.3 one of the options?
For that question, you can use the cosine rule, where;

In this case, we have..

Solving for BC with this will get you 2.250406, rounded off to the tenth is 2.3.
Answer:
10 questions
Step-by-step explanation:
12/6=2. 5 X 2 = 10 Brainliest please
Answer:B
Sqt 30 - 2 sqt 5 m
Step-by-step explanation:
Edge
Answer:
The equation in standard form is
2
3
x
−
y
=
7
.
Explanation:
The standard form for a linear equation is
A
x
B
y
=C
, where
A
,
B
,
and
C
are numbers, and
x
and
y
are variables.
y
=
2
3
x
−
7
Subtract
2
3
x
from both sides of the equation.
−
2
3
x
+
y
=
−
7
Multiply both sides by
−
1
.
2
3
x
−
y
=
7
A
=
2
3
,
B
=
−
1
,
C
=
7
Answer:
Step-by-step explanation:
2y + 1 is a binomial, in that it has two terms.
If we set 2y + 1 equal to x, then 2y = x - 1, or
x - 1
y = -----------
2