This is correct, but in what sense are you needing an answer ?
Answer:
1.538888
Step-by-step explanation:
Answer:
Option C is correct.
Step-by-step explanation:
Here, boy knows his height and shadow length
And he know the length of tree shadow.
We need to find height of the tree.
And tree and it's shadow makes right angle at the point of intersection.
So, S A S rule works here.
I think the answer is 99.6. I'm sorry if it's wrong.
A. 32 = 3s + 8
minus 8 from both sides
24 = 3s
divide by 3
<em><u>s</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>8</u></em>
B: Q/10 = 6
multiply by 10 on both sides
Q = 6 × 10
<em><u>Q</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>6</u></em><em><u>0</u></em>
C: 2b -1 = 7
add 1 to both sides
2b = 8
divide by 2
<em><u>b</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>4</u></em>
D: d/8 = 2
multiply by 8 on both sides
d = 2 ×8
<em><u>d</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>1</u></em><em><u>6</u></em>
E: 10u + 5 = 45
minus 5 from both sides
10u = 40
divide by 10
<em><u>u</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>4</u></em>
F: j/11 = 7
multiply by 11 on both sides
j = 7 × 11
<em><u>j</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>7</u></em><em><u>7</u></em>