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Leokris [45]
2 years ago
14

Which pair angles must be supplementary? 21 5 3 4

Mathematics
1 answer:
Keith_Richards [23]2 years ago
4 0

4 and 1

Step-by-step explanation:

Supplementary means the angle is 180 degrees so 4 is the only complete obvious 180 degree angle and 1 just cause i know it can't be 5.

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4 0
3 years ago
Simplify the expression: (3 − 4i) + (7 − 6i). 4 − 2i 4 − 10i 13 − 2i 10 − 10i
yulyashka [42]

Equivalent expressions are expressions of equal values

The simplified expression of (3 - 4i) + (7 - 6i) is 10- 10i

The expression is given as:

(3 - 4i) + (7 - 6i)

Remove brackets in the above expression

3 - 4i + 7 - 6i

Rewrite the expression by collecting the like terms

3 + 7- 4i  - 6i

Next, evaluate the like terms

10- 10i

Hence, the simplified expression of (3 - 4i) + (7 - 6i) is 10- 10i

Read more about equivalent expressions at:

brainly.com/question/2972832

7 0
2 years ago
Help please!!!!
Sonja [21]

Answer:

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6 0
3 years ago
24 is 25% of what number
mel-nik [20]
Let x be the mystery number
25% = 0.25

So, 24/x = 0.25 
Now, we have to rearrange the equation to get:
x = 24/0.25 = 96

Don't hesitate to ask any further questions!
Hope I helped! xx
4 0
2 years ago
Read 2 more answers
A triangle has side lengths of 15, 10, and 7. Is this triangle a right triangle
Montano1993 [528]

Answer:

No

Step-by-step explanation:

Apply Pythagorean theorem: a2 + b2 = c2

The sum of the squares of the legs of a right triangle equals the square of its hypotenuse.

I hope this answer will help you. Have a nice day !

4 0
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