168 is 70 percent of what number ?
1 answer:
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Answer:
Cliff is 45 m tall.
Step-by-step explanation:
Given:
Height of Sarah = 1.8 m
Angle of elevation = 60°
Angle of elevation 50 m back = 30°
As shown in the figure we have two right angled triangles SPQ and SPR.
Let the height of the cliff be meters and
.
Using trigonometric ratios:
tan (Ф) = opposite/adjacent
In ΔSPQ. In ΔSPR.
⇒ ...equation (i) ⇒
...equation (ii)
Dividing equation (i) and (ii)
⇒
⇒
⇒
⇒
⇒
⇒
⇒ meters
To find plugging
in equation (i)
⇒
⇒
⇒ meters
The height of the cliff from ground :
⇒
⇒
⇒ meters
The cliff is 45 m tall to the nearest meter.
Answer:
Which statement represents the expression?
24−8÷4
<u>A.</u><u> </u><u>24 minus 8 divided by 4</u>
B. the difference of 24 and 8 divided by 4
C. 24 minus the quotient of 8 divided by 4
D. 24 minus 4 divided by 8
The answer is <em><u>a. 24 minus 8 divided by 4</u></em>
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