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PIT_PIT [208]
3 years ago
14

The diameter of a circle is 14 ft. Find its circumference in terms of pi.

Mathematics
1 answer:
Ann [662]3 years ago
5 0

Answer:

43.98

Step By Step Explanation:

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Lydia graphed ΔXYZ at the coordinates X (0, −4), Y (2, −3), and Z (2, −6). She thinks ΔXYZ is a right triangle. Is Lydia's asser
katrin [286]

Answer:

Option (4)

Step-by-step explanation:

Vertices of the triangle are X(0, -4), Y(2, -3) and Z(2, -6).

Slope of XY (m_{1}) = \frac{y-y'}{x-x'}

                            = \frac{-3+4}{2-0}

                     (m_{1}) = \frac{1}{2}

Similarly, slope of XZ (m_{2}) = \frac{-6+4}{2-0}          

                                   (m_{2}) = (-1)

m_{1}\times m_{2}=-\frac{1}{2}

Which should be (-1) if XY and XZ are perpendicular to each other.

Now we can say that XY and XZ are not perpendicular.

Therefore, Lydia's assertion that ΔXYZ is a right triangle is not correct.

Option (4) will be the answer.

5 0
2 years ago
Ifm_2 = 68°, what is the measure of angle 7? 1 2. 3 5 7​
Oksana_A [137]

Answer:

∠7=22°

Step-by-step explanation:

∠2 and ∠7 are supplementary angles, meaning they add to 90°.

∠2+∠7=90°

substitute ∠2

68°+∠7=90°

∠7=22°

7 0
3 years ago
A research center poll showed that 76​% of people believe that it is morally wrong to not report all income on tax returns. What
Tanya [424]
You would subtract 0.76 from 100 and your answer will be 99.24
6 0
3 years ago
What is the value of x in the diagram below?
dusya [7]

we know that

the two triangles in the figure are similar, because they have three equal angles

therefore

The ratio of the corresponding sides are equal

\frac{x}{8}= \frac{18}{48} \\ \\x=(8*18)/48 \\ \\x=3\ units

therefore

<u>the answer is the option C</u>

3

7 0
2 years ago
Read 2 more answers
The question says: Paula started reading a book and red 1/12 of the book on the first day. the next day, she read 1/3 of the boo
tester [92]

Answer:

Step-by-step explanation:

ℎ

\frac{5}{12}

ℎ ℎ

\\  \frac{1}{12}  +  \frac{1}{3}  =  \frac{5}{12}

4 0
2 years ago
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