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Andrei [34K]
3 years ago
6

5. Simplify the expression, (-2 - 5i) - (-4+6i) 2 - 11i -2+i -6 + 11i -5i

Mathematics
1 answer:
monitta3 years ago
7 0

\qquad\qquad\huge\underline{{\sf Answer}}♨

Let's simplify ~

\qquad \sf  \dashrightarrow \:( - 2 - 5i) - ( - 4 + 6i)

\qquad \sf  \dashrightarrow \: - 2 - 5i +  4  -  6i)

\qquad \sf  \dashrightarrow \: - 2 +  4   - 5i-  6i)

\qquad \sf  \dashrightarrow \:2 - 11i

Therefore, A is the Correct choice !

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Simplify<br>10x - (5x-x)​
Alex17521 [72]

<em>Answer:</em>

<em></em>\boxed{6x}<em></em>

<em>Step-by-step explanation:</em>

<em></em>10x - (5x-x)<em></em>

<em>Distribute the Negative Sign:</em>

<em></em>= 10x + -1 (5x - x)<em></em>

<em></em>= 10x + -1 ( 5x) + -1 (-x)<em></em>

<em></em>= 10x + -5x + x<em></em>

<em>Combine Like Terms:</em>

<em></em>= 10x + -5x + x<em></em>

<em></em>= (10x + -5x + x)<em></em>

<em></em>= 6x<em></em>

<em>Hope this helped you!</em>

3 0
3 years ago
A boat can travel 20 miles on 10 gallons of gasoline. How much gasoline will it need to go 34 miles?​
Irina-Kira [14]

Answer:

20 divided by 10 is 2 so for every 2 miles it travels it uses 1 gallon of gasoline. 20 + 14 is 34 so you divide 14 by 2 to get 7. then you add 10+7 to get 17. it will take 17 gallons of gasoline to go 34 miles

Step-by-step explanation:

6 0
3 years ago
Plsssss help I don’t get this math at all and it’s due today plsss help meeeeee
tia_tia [17]

Answer:

1.25 cm

Step-by-step explanation:

Draw a radius line from the center to one of the top corners.  This forms a right triangle where the hypotenuse is r, the width is 1, and the height is 2−r.  Using Pythagorean theorem:

(2−r)² + 1² = r²

4 − 4r + r² + 1 = r²

5 − 4r = 0

r = 5/4

r = 1.25

7 0
4 years ago
A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 teachers.
zheka24 [161]

Answer:

A) 0 and 13

Step-by-step explanation:

64 - 37 = 27

27/2 = 13.5

13 teachers can teach 3 classes at max

6 0
3 years ago
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Vikki [24]

Answer:

error

Step-by-step explanation:

error

3 0
3 years ago
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