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Harrizon [31]
3 years ago
10

M <N=...the scale factor is 2

Mathematics
1 answer:
aivan3 [116]3 years ago
7 0

We know that the sum of the internal angles in each triangle is 180°.

Therefore we have the equation:

m\angle C+m\angle D+m\angle E=180^o

substitute and solve:

79+(6x+11)+(7x-14)=180\\(6x+7x)+(79+11-14)=180\\13x+76=180\ \ \ |-76\\13x=104\ \ \ |:13\\x=8

We have

m\angle N=3x+18

substitute the value of x to the expression:

m\angle N=3(8)+18=24+18=42

Answer: m∠N = 42 degrees

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Which of the following mixed numberd is represented by the letter A in number line shown?​
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Answer:

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Step-by-step explanation:

The line is divided into 9 parts between 1 and 2

A is situated 6 parts of the way between 1 and 2, that is

\frac{6}{9} = \frac{2}{3} ← cancelling by 3

Hence

A = 1 + \frac{2}{3} = 1 \frac{2}{3} → A

3 0
4 years ago
What is 30% discount of £9.50
Tems11 [23]
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3 0
4 years ago
Read 2 more answers
Multiply (9-4i)(2+5i)
Tanzania [10]

(9 - 4i)(2 + 5i)

To solve this question you must FOIL (First, Outside, Inside, Last) like so

First:

(9 - 4i)(2 + 5i)

9 * 2

18

Outside:

(9 - 4i)(2 + 5i)

9 * 5i

45i

Inside:

(9 - 4i)(2 + 5i)

-4i * 2

-8i

Last:

(9 - 4i)(2 + 5i)

-4i * 5i

-20i²

Now combine all the products of the FOIL together like so...

18 + 45i - 8i - 20i²

***Note that i² = -1; In this case that means -20i² = 20

18 + 45i - 8i + 20

Combine like terms:

38 - 37i

^^^This is your answer

Hope this helped!

~Just a girl in love with Shawn Mendes

8 0
4 years ago
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Artemon [7]
Answer: A, C, E

Explanation:
-152/19 = 8
-8 = -8 ✅
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