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abruzzese [7]
3 years ago
12

6. Add 2р + 6q 4р — 8q​

Mathematics
1 answer:
ElenaW [278]3 years ago
6 0

Answer:

6p - 2q

Step-by-step explanation:

(2p + 6q) + (4p - 8q)

= 2p + 4p + 6q - 8q

= 6p - 2q

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The door on the computer center has a lock which has five buttons numbered from 1 to 5. The combination of numbers that opens th
gladu [14]

Answer:

a) 121 combinations

b) 124 combinations

Step-by-step explanation:

a) 5 possible number without repeating any will give us =

5 possible numbers* 4 possible numbers* 3 possible numbers* 2possible numbers + 1 possible numbers = 121 combination

b) 5 possible number but repeating 1 will give us 5 possible numbers* 4 possible numbers * 3 possible numbers* 2possible numbers

+4 possible number

124 combination

7 0
4 years ago
The product of two numbers is 41. One of the numbers
shepuryov [24]
<h3>Answer:   5 - 4i     (choice A)</h3>

===================================================

Work Shown:

x = the other number

(5+4i)*x = 41

x = 41/(5+4i)

x = 41*(5-4i)/( (5+4i)*(5-4i) ) ..... see note below

x = 41*(5-4i)/( 41 )

x = (41/41)*(5-4i)

x = 5 - 4i  

As a way to check, (5+4i)*(5-4i) = 5^2+4^2 = 25+16 = 41

The rule used is (a-bi)(a+bi) = a^2 + b^2

-----------

Note:  I multiplied top and bottom by (5-4i) to get rid of the imaginary term in the denominator.

3 0
3 years ago
Question 1 -What number in the equation below would be the coefficient?
tangare [24]

Answer:

4

Step-by-step explanation:

coefficient is the number next to the variable.

7 0
3 years ago
SOMEONE PLEASE HELP ME WITH THIS!!!!
navik [9.2K]

<em>Answer:</em>

<em>It is C</em>

<em>Step-by-step explanation: The explanation says that he subtracted 10 by 20 and divided by 5 so the real answer is 18 but the answer in your page is C </em>

<em>Your Welcome :)</em>

<em />

3 0
3 years ago
Write 168 as a product of primes. Use index notation where appropriate.
marshall27 [118]

Answer:

2x2x2x3x7

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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