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velikii [3]
3 years ago
14

Assume that two chords in a given circle are the same distance from the

Mathematics
2 answers:
Alenkinab [10]3 years ago
4 0

Step-by-step explanation:

If the two chords are congruent, then they must be equidistant from the centre of the circle.

Answer: <u><em>D) They must be perpendicular</em></u>

A is rejected because the chord might not pass through the center of the circle.

B is rejected because the chords are not obligated to be parallel.

C is rejected because it is not compulsory for the chords to be perpendicular.

9966 [12]3 years ago
4 0

Answer:

C. They must be congruent.

Step-by-step explanation:

Took the test

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A boat has a speed of 15 mph in still water. It travels downstream from Greentown to Glenavon in g hours. It then goes back upst
Lerok [7]

Step-by-step explanation:

We want to find two things-- the speed of the boat in still water and the speed of the current.  Each of these things will be represented by a different variable:

B = speed of the boat in still water  

C = speed of the current

Since we have two variables, we will need to find a system of two equations to solve.

How do we find the two equations we need?  

Rate problems are based on the relationship Distance = (Rate)(Time).


Fill in the chart with your data (chart attached)

The resulting speed of the boat (traveling upstream) is B-C miles per hour.  On the other hand, if the boat is traveling downstream, the current will be pushing the boat faster, and the boat's speed will increase by C miles per hour.  The resulting speed of the boat (traveling downstream) is B+C miles per hour.  Put this info in the second column in the chart.  Now plug it into a formula! <u>Distance=(Rate)(Time) </u>Now solve using the systems of equations!

6 0
3 years ago
What is the eighth term of the arithmetic sequence? An=<br> 10n – 14?
Alja [10]

Answer:

A8 = 66 [8th term]

Step-by-step explanation:

Given the explicit arithmetic sequence An = -14 + 10n → -4 + 10(n-1)

To find the 8th term. An nth term is where n is n in the sequence. So substitute 8 for n, and simplify.

So A8 = -4 + 10(8-1) → -4 + 10(7) → -4 + 70 → 70 - 4 → 66.

3 0
3 years ago
The next model of sports car will cost 11 9% more than the current model. The current model costs $18,000 How much will the pric
Anon25 [30]

Answer: Down below

Step-by-step explanation:

We know that 11.9% is the same as .119

The price increase = .119 * 58000 = 6902

The price of the new model is 6902+ 58000

3 0
2 years ago
What is the value of a in a/5 + 3= 8
OLga [1]

Answer:

Step-by-step explanation:

what is the value of a in a/5 + 3= 8

a/5 + 3= 8

a/5 = 8 - 3

a/5 = 5

a = 5 * 5

a = 25

3 0
2 years ago
Read 2 more answers
If the cost of a dozen eggs rises from .99 to 1.34 what is the percent of the increase
Amiraneli [1.4K]
To find the percent of increase get the difference between the prices and then divided by the oringinal price and then time that by 100

increase = \frac{1.34 - .99}{.99} \times 100
8 0
3 years ago
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