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Anika [276]
3 years ago
8

For positive acute angles A and B it is known that sinA= 35/37 and tanB= 7/24. find the value of (A-B)

Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

54.8° to the nearest tenth of a degree

Step-by-step explanation:

m∠A = arcsin 35/37 = 71.075...

m∠B = arctan 7/24 = 16.2602...

m∠A - m∠B = 71.075 - 16.260 = 54.8° to the nearest tenth of a degree

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A toll bridge charges $1.00 for passenger cars and $2.25 for other vehicles. Suppose that during daytime hours, 60% of all vehic
lora16 [44]

Answer:

Total revenue = 13.5 + 9 = $22.5

Step-by-step explanation:

The toll charges $1.00 for passenger cars and $2.25 for other vehicles. During daytime hours  60% of all the vehicles are passenger vehicles.

A particular daytime period 15 vehicle crossed the bridge. Recall that during daytime period, 60% of all the vehicles are passenger vehicles . Therefore,

Passenger vehicles = 60% of 15

Passenger vehicles = 60/100 × 15

Passenger vehicles = 900/100

Passenger vehicles = 9

9 of the vehicles are passenger vehicle and the charges for passenger cars is $1.00. other vehicle is $2.25.

revenue for passenger cars = 1 × 9 = $9

revenue for other vehicles = 2.25 × 6 = $13.5

Total revenue = 13.5 + 9 = $22.5

8 0
3 years ago
In 2020, there were about 260 million gas powered cars on the road. This number isexpected to decrease at a rate of 1.1% per yea
Amanda [17]

This is an equation of exponential decay

y(t) = a b^ t where a is the initial amount

b is the decay factor

t is the time in years

b is found by taking 1 and subtracting the percent it decreases in decimal form

Letting t =4

y(t) = 260 million * ( 1- .011) ^ 4

=248.7473796 million

=24874737.96

Rounding to a whole number

= 24874738

6 0
1 year ago
1+4=5<br> 2+5=12<br> 3+6=21<br> 8+11=
jek_recluse [69]
=12-5=7
=21-12=9
when u look at they have a diffrence of 2 so the answer will have a diffrence of 2 =11
8 0
4 years ago
The graph shows the relationship between the number of apples and their cost. For the point (1, r), what is the value of r?
3241004551 [841]

Answer:

C.

Step-by-step explanation:

When you check the point that is on X, it is a little over halfway to the point 1,2. It would be like 1,1.5 or 1,1.6.

5/3 is the equivalent to 1.6 so that answer would make the most sense.

4 0
3 years ago
Read 2 more answers
V2+4v-21=0 (solve by factoring)​
frozen [14]

Answer: (v + 7)(v -3)

Step-by-step explanation:

(v +7)(v -3)

v x v = v^2

v x -3 = -3v

7 x v = 7v

7 x -3 = -21

v^2 -3v +7v -21 = v^2 +4v -21 = 0

6 0
3 years ago
Read 2 more answers
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