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Burka [1]
2 years ago
11

In the figure, AB| |CD. ∠AEB and ∠CED are congruent __1__ .

Mathematics
2 answers:
MatroZZZ [7]2 years ago
7 0

Answer:

2. is B. BED.  I don't know 1. but I do know that C is wrong for that question so it is either A or B.


Inessa [10]2 years ago
5 0

Answer:

1. B. By the vertical angles theorem.  

2. ∠BED

Step-by-step explanation:

We have that, AB || CD and the two lines in between them are intersecting each other.

Since, we know that,

<em>Vertical Angles Theorem states that 'Two opposite angles of the intersecting lines are congruent'.</em>

So, as the lines are intersecting, we get by 'Vertical Angles Theorem',

∠AEB ≅ ∠CED and ∠AEC ≅ ∠BED.

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Jankord Jewelers permits the return of their diamond wedding rings, provided the return occurs within two weeks. Typically, 10 p
dimulka [17.4K]

Answer:

P(X 0.9619

Step-by-step explanation:

From the given information;

the probability of getting returned p = 0.1

If eight rings are sold today, what is the probability that fewer than three will be returned;

According to binomial distribution

Binomial distribution is the probability of success or failure of an outcome of an experiment under observation which is usually repeated several trials. Binomial experiments are random experiment with fixed number of repeated experiment. If we cannot predict before head, the outcome of an experiment , the experiment is called a random experiment.

So , using binomial distribution to determine the probability that fewer than three will be returned;

i.e

P(X \sum_{x=0}^{2}\binom{8}{x}(0.1)^{x}(1-0.1)^{8-x}

P(X 0.9619

8 0
2 years ago
Mr. Hou put students names in a hat and selected file names without looking. What type of sample did he preform?
Anettt [7]

Step-by-step explanation:

The answer is A. The answer is A because  the teacher put names in a hat without looking. That narrows down the answer to A and B. Since he didn't do it in a special scientific way the answer is A

8 0
2 years ago
Find the area of triangle ABC. A = 29.17°, b = 13.1 m, c = 8.7 m
natima [27]

Answer:

Use this to solve 3

Step-by-step explanation:

Area = 1/2 b.c sin A

=1/2(13.1)(8.7)sin29. 17

8 0
2 years ago
Elena measured the perimeter of a square desk and found 359 cm. Andre measured the perimeter of the same desk and found 3,579 mm
kherson [118]

Answer:

Step-by-step explanation:

Since 1cm=10mm

(big to small multiply, small to big divide)

3579/10=357.9

so 1.1 cm or 11 mm

3 0
2 years ago
The hypotenuse of a right triangle is 4 times the smallest side. the third side is the square root of 735. find the hypotenuse a
Alexus [3.1K]
<span>smallest side = x
</span><span>hypotenuse = 4x

</span><span>By the Pythagorean theorem:
</span><span>
(4x)</span>² - x² = (√735)²
16x² - x² = 735
15x² = 735
x² = 735/15
x² = 49
x = √49
x = 7  ← smallest side

hypotenuse = 4x = 4*7 = 28
4 0
2 years ago
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