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givi [52]
3 years ago
7

Find the area and the circumference of a circle with diameter 3 ft.

Mathematics
1 answer:
lidiya [134]3 years ago
4 0
To find the circumference of a circle you do:
C=2πr or C= 2(3.14)(1.5)

3.14 is Pi, and the 1.5 is because the diameter is 3ft and the radius is half of the diameter.

when you multiply 2•3.14•1.5 you will get an answer of 9.42.
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dybincka [34]

Answer:

tanG= 15/20 = 3/4

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Step-by-step explanation:

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6 0
4 years ago
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Two events, X and Y, are independent of each other. P(Y) = 5/6 and P(X and Y) = 1/3. What is P(X) written as a decimal? Round to
Ksenya-84 [330]
For independent events,
P(X ∩ Y) = P(X)* P(Y)
=>
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solve for P(X) =>
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Temka [501]

Answer:

Statement 3

Step-by-step explanation:

∠GAF ≅ ∠TAE

Since, there is no relation between these angles,

Therefore, statement is False.

∠TAE and ∠FAH are complementary.

If the sum of the two angles is 90°, pair of angles is said to be complimentary angles.

Therefore, this statement is False.

∠TAF is obtuse.

Measure of obtuse angle is more than 90°

From the given picture, measure of ∠TAF = m∠TAH + m∠HAF

                                                                      = 90° + 50°

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Here, m∠TAF > 90°

Therefore, ∠TAF is an obtuse angle.

Statement (3) is the correct statement.

8 0
3 years ago
7-5p+3q when p=1 and q=7
Mnenie [13.5K]

Answer:

23

Step-by-step explanation:

7 - 5p + 3q

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Substitute in the values of "p" and "q", and solve;

7 - 5(1) + 3(7)

7 - 5 + 21

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23

5 0
3 years ago
What are the factors of 30 that have a sum of -11
Fed [463]

Answer:

Why is 42 the sum of all factors of 30, excluding 30? The factors of the number 30 are: 1, 2, 3, 5, 6, 10, 15, 30.

Step-by-step explanation:

8 0
3 years ago
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