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stepan [7]
3 years ago
15

In △Rst, the measure of

Mathematics
2 answers:
Scilla [17]3 years ago
7 0

Answer:

∠ R ≈ 53°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin R = \frac{opposite}{hypotenuse} = \frac{ST}{SR} = \frac{7.7}{9.7} , thus

∠ R = sin^{-1} (\frac{7.7}{9.7} ) ≈ 53° ( to the nearest degree )

forsale [732]3 years ago
5 0

Answer:

Step-by-step explanation:

You might just duh me but the answer is obviously less than 7.7 but greater that anything above one so what you do is process of elimination hope this way of solving helps

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The percentage that the store has taken off would be 30%.

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4 years ago
Blanca runs 8 laps around the track each day to train for an endurance race. She times each lap to practice her pacing for the r
Artist 52 [7]

Answer:

A graph shows lap time (seconds) labeled 82 to 98 on the horizontal axis and the number of laps on the vertical axis. 1 lap was 82 to 84 seconds.  4 laps were 84 to 86 seconds. 2 laps were 86 to 88 seconds. 4 laps were 88 to 90 seconds. 6 laps were 90 to 92 seconds. 5 laps were 92 to 94 seconds. 2 laps were 94 to 96 seconds. 0 laps were 96 to 98 seconds

Step-by-step explanation:

The given table is presented as follows;

\begin{array}{ccc}Day \ 1 \ lap \ times \ (seconds)&Day \ 2 \ lap \ times \ (seconds)&Day \ 3 \ lap \ times \ (seconds)\\83&87&85\\92&90&86\\91&92&91\\89&91&93\\94&92&91\\93&95&89\\88&90&88\\84&85&84\end{array}The number of laps in the range 82 to 84 seconds = 1

The number of laps in the range 84 to 86 seconds = 4

The number of laps in the range 86 to 88 seconds = 2

The number of laps in the range 88 to 90 seconds = 4

The number of laps in the range 90 to 92 seconds = 6

The number of laps in the range 92 to 94 seconds = 5

The number of laps in the range 94 to 96 seconds = 2

The number of laps in the range 96 to 98 seconds = 0

Therefore, the histogram that represents Blanca's lap times for the three days of practice is described as follows;

A graph shows lap time (seconds) labeled 82 to 98 on the horizontal axis and the number of laps on the vertical axis. 1 lap was 82 to 84 seconds.  4 laps were 84 to 86 seconds. 2 laps were 86 to 88 seconds. 4 laps were 88 to 90 seconds. 6 laps were 90 to 92 seconds. 5 laps were 92 to 94 seconds. 2 laps were 94 to 96 seconds. 0 laps were 96 to 98 seconds

5 0
3 years ago
Write the equation – 2x2 + 1 = 5x in standard form
oksian1 [2.3K]

Answer: 5 x = − 3

Step-by-step explanation: brainlest please

6 0
3 years ago
Read 2 more answers
In the first 120 miles over 240 mile journey a truck driver maintained an average speed of 50 mph what was his average featuring
Keith_Richards [23]
The correct answer is 70 MPH because when 50 and 70 are added together and divided by 2, you get 60.
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3 years ago
Read 2 more answers
Grade low in math help if you can :) Geometry
mestny [16]

Answer:

C) 10 inches

Step-by-step explanation:

I think the simplest way to do this is as follows:

divide 75 by 15 to get how many times you need to multiply 2in by

75/15=5

since 15(5)=75 or the actual size of the airplane,

2(5)=10 which is the size of the model airplane

5 0
3 years ago
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