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topjm [15]
3 years ago
7

Helpmeet with 'this question please

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
6 0
A) is 5 months
b) is option 1 difference of 40

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Vertices A and B of triangle ABC are on one bank of a river, and vertex C is on the opposite bank. The distance between A and B
Anna71 [15]

Answer:

The length of side b is 179 ft

Step-by-step explanation:

Given triangle ABC in which  

∠A = 33°, ∠B = 63°, c=200

we have to find the length of b

In ΔABC, by angle sum property of triangle

∠A+∠B+∠C=180°

33°+63°+∠C=180°

∠C=180°-33°-63°=84°

By sine law,

\frac{\sin \angle A}{a}=\frac{\sin \angle B}{b}=\frac{\sin \angle C}{c}

\frac{\sin \angle B}{b}=\frac{\sin \angle C}{c}

\frac{\sin 63^{\circ}}{b}=\frac{\sin 84^{\circ}}{200}

b=200\times \frac{\sin 63^{\circ}}{\sin 84^{\circ}}=179.182887\sim 179 ft

The length of side b is 179 ft

Option C is correct.

7 0
2 years ago
A carpet salesman earns a base pay of $19,800 per year and a commission of 12% of all sales made. If he sold $27,200 worth of me
kakasveta [241]
I believe 23064 would be his total earnings of last year.
8 0
3 years ago
If a Tv screen is 20in wide and 15in high, what is the length?
yuradex [85]
20:15 which reduces to 4:3 or 4/3 or 4 to 3 , hope that helped have a good day
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3 years ago
Yesterday, the temperature et noon was 11.4" misright, the tempe tine had decreed by 15.7 degrees what was the
Ainat [17]

Answer:

-4.3 degrees

Step-by-step explanation:

if I understand the problem correctly, then the temperature at midnight fell 15.7 degrees from 11.4 degrees at noon.

11.4 - 15.7 = -4.3 degrees

so, the temperature at midnight was -4.3 degrees

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3 years ago
The formula of calculating the gradient of a line is
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Answer:

To calculate the gradient of a straight line we choose two points on the line itself. From these two points we calculate: The difference in height (y co-ordinates) ÷ The difference in width (x co-ordinates). If the answer is a positive value then the line is uphill in direction.

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2 years ago
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