Answer:
<h2>42.35</h2>
Step-by-step explanation:
Answer: x = 1
3x + 4 = 7
subtract 4 from both sides
3x = 3
x = 3/3 = 1
X
4
−34x
2
+225=0
2 Factor
x
4
−
34
x
2
+
225
x
4
−34x
2
+225.
(
x
2
−
25
)
(
x
2
−
9
)
=
0
(x
2
−25)(x
2
−9)=0
3 Solve for
x
x.
x
=
±
5
,
±
3
x=±5,±3
Answer:
The answer is 10
I hope this helped and please mark me as brainliest!
Step-by-step explanation:
using normal distribution aproximation
Check attachment