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3 years ago

Https://imgur.com/a/p0QjLGl

Mathematics

2 answers:

photoshop1234 [79]3 years ago

7 0

From the figure, We can notice that Sum of the angles (∠AKC and ∠AKE) should be equal to 180°

Because ∠AKC and ∠AKE make a Linear Pair

⇒ ∠AKC + ∠AKE = 180°

⇒ 5x + 12x + 27 = 180

⇒ 17x = 180 - 27

⇒ 17x = 153

⇒ x = 9°

⇒ ∠AKE = 12(9) + 27 = (108 + 27) = 135°

Answer : ∠AKE = 135°

inna [77]3 years ago

3 0

Answer: what’s the link about ?

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Convert 3.67 to a persent

tresset_1 [31]

In order for you to change a number to a percent you have to move the decimal forward 2 places.

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4 years ago

Alexis has the following grades in his math class: Homework grades: 80, 100, 90, Quiz grades: 84, 90, 72, Test grades: 64, 72. I

vitfil [10]

Answer:

Step-by-step explanation:

Average is the sum of all the numbers divided by the number of numbers.

We will take average of Quizzes, Homeworks, and Tests. And multiply that by respective weights and find the weighted average of the 90%.

Quiz Avg:

(84+90+72)/3 = 82

Homework Avg:

(80 + 100 + 90)/3 = 90

Test Avg:

(64+72)/2 = 68

Now, weighted avg = $\frac{90(0.1)+82(0.2)+68(0.6)}{0.9}=73.55$

Rounding it off, we get "74", the correct answer.

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4 years ago