So... get the like-terms and add/subtract
see what that gives you
<u>Answer:</u>
<h2>1. a</h2><h2>2. b</h2><h2>3. b</h2><h2>4. b</h2><h2>5. 22</h2>
<u>Explanation:</u>
1.
n²-49=0
n=√49
n=7
2.
x²+64=0
x=√64
x=8
3.
if A=144x²
l = √A
l = √(144x²)
l = 12x
4.
b = (24×2)/3b
b = 48/3b
b = 16/b
b² = 16
b = √16
b = 4 in <em>(-4 is correct in algebra but there's no negative lengths in geometric shapes)</em>
5.
x²+z = 103
x² = 103-z
x = √(103-z)
for x = -9 and 9 (103-z) must equal 81
z = 103 - 81 = 22
x = √(103-22)
x = √81
x = -9 , 9
It’s the first one bc if u add -3 to the input it gives the outputs
5 I think, cause if your 3/4 ways done you need to walk 1/2 more kilometers to be finished... So if you add 1/2 to 41/2 it equals 5
Answer:
See Explanation
Step-by-step explanation:
<em>The question is incomplete has the figure of the triangle is not given.</em>
<em>However, the following steps will guide you.</em>
To solve this question;
you need the lengths of the threes sides of the triangular fields
Represent these lengths with a, b and c
Next;
Sum these lengths together;
This gives the required length of fencing
Take for instance;
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<em>The required length of fence would be</em>
<em>Apply these steps and you'll get your answer</em>