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Sphinxa [80]
3 years ago
11

Which of the following statements is true?

Mathematics
1 answer:
wolverine [178]3 years ago
8 0

Answer:

D: Point E is the midpoint of segment AC

Step-by-step explanation:

The midpoint is a point where it is in the middle of a line, line segment, or ray.

Congruent means something that is exactly the same.

Congruent triangles are two triangles are congruent if their corresponding sides are equal in length, and their corresponding angles are equal in measure.

Bisect means separating something into two precise and equal pieces/ angles.

Similar triangles means two objects are similar if they have the same shape, or one has the same shape as the mirror image of the other.

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1.Is this figure a polygon<br> 2. If so what is the name of the polygon
irga5000 [103]

Answer:

yes, its a heptagon

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The professor of a large probability class randomly selected 8 students and asked the amount of time (in hours) spent for her co
Alekssandra [29.7K]

Answer:a. μ = 9.667 hours

b. σ = 1.972 hours

c. SE = 0.805 hour

Sample size (n) = 6

Sample data (xi) = 10, 8, 9, 7, 11, 13

a. Mean time spent in a week for this course by students:

Sample mean is given by:

Mean time spent in a week per student is 9.667 hours

b. Standard deviation of the time spent in a week for this course by students:

Standard deviation is given by:

c. Standard error of the estimated mean time spent in a week for this course by students:

Standard error is given by:

6 0
3 years ago
Robinson's Doughnut Factory produces 18,000 doughnuts every day. They
Nadusha1986 [10]

Answer:

1,500 doughnuts

Step-by-step explanation:

Divide 18,000 by 12 to find how many will be loaded on each one:

18,000/12

= 1500

So, 1,500 doughnuts will be loaded on each truck

8 0
3 years ago
PLEASE HELP ME SOLVE FOR X
jeka57 [31]

Looks like the labeled angle is bisected, in which case we can apply the angle bisector theorem. For this triangle, it says

\dfrac x3=\dfrac{x+2}{x+4}

Solve for x:

x(x+4)=3(x+2)

x^2+4x=3x+6

x^2+x-6=0

(x+3)(x-2)=0

Then either x=-3 or x=2, but since x is a length, it must be positive. So <em>x</em> = 2.

8 0
2 years ago
Rewrite the expression with parentheses pls help
KATRIN_1 [288]
Um is it (2+4) ÷ (2+4)
7 0
2 years ago
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