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svetoff [14.1K]
3 years ago
5

Determine which postulate or theorem can be used to prove that

Mathematics
1 answer:
EleoNora [17]3 years ago
7 0

Answer:

\triangle ABC \cong \triangle DCB by <u>AAS</u>

Step-by-step explanation:

According to the following two triangles, \triangle ABC and \triangle DCB are congruent by <u>Angle-Angle-Side</u> (AAS), because there are two angles shown and share a side, which is in the middle between triangles.

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The average of five distinct scores has the same value as the median of the five scores. The sum of the five scores is 420. What
givi [52]

Answer:

The sum of five scores that is not the median is, 336

Step-by-step explanation:

Average defined as the  the sum of the observation to the total number of the observation.

Given: The sum of the five scores is 420

Then, by definition of average;

Average of five distinct score = \frac{420}{5} = 84

It is also, given that the average of five distinct scores has the same value as the median of the five scores.

⇒Median of five scores = 84

Since, scores are distinct, therefore

Sum of all scores that is not the median = Sum of five scores - median = 420-84 = 336

therefore, the sum of five scores that is not the median is, 336

3 0
3 years ago
Solve the system of equations below by graphing them with a pencil and paper. Enter your answer as an ordered pair.
sergejj [24]
Y = 2x - 3 . . . (1)
y = -2x + 5 . . . (2)
Equating (1) and (2),
2x - 3 = -2x + 5
2x + 2x = 5 + 3
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x = 8/4 = 2
x = 2
y = 2(2) - 3 = 4 - 3 = 1
y = 1

Solution = (2, 1)
6 0
3 years ago
Read 2 more answers
Deb has of a brownie. She wants to divide it up into 's of a brownie so she can have it throughout the day. How many 's will she
qaws [65]
The answer would be 3

4 0
3 years ago
Write a pair of integers whose sum is- -8
Vlad [161]

Answer:

-3+(-5)

Checking our answer:

Adding this does indeed give -8

6 0
3 years ago
Adjoa buys a cat toy that costs 6 dollars and a bag of cat litter that costs 7 dollars. If sales tax is 8%, what is the total pu
denpristay [2]

Answer:

$14.04

Step-by-step explanation:

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