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Vlad [161]
2 years ago
8

Simplify the expression 3(65x+4y+6)−2(95x+8y+3). Plz help me

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
4 0

Answer:

5x - 4y + 12

Step-by-step explanation:

use m a t h w a y , it answers any math question

^put the letters together and search it

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Complete this activity. Interest at the rates of 5%, 6%, and 8% is earned on investments of $13,000, $12,000, and $4,000 respect
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The answer is 1690. First find the amount of interest by a single investment by multiplying the investment amount by the percent interest in decimal form. Then calculate the total by adding up all the products of investment times interest. Matrices will allow to multiply two things together and add the products up all at the same time. So we need to find the investment matrix and interest matrix.

Investment matrix A (transposed)            = (a1 a2 a3) = (13,000 12,000 4,000)

Interest Matrix B                                       = (b1 b2 b3) = (0.05 0.06 0.08)

Amount of interest earned                        = a1b1 + a2b2 + a3b3

Amount of interest earned                        = (0.05) (13,000) + (0.06) (12,000) +                                                                                  (0.08)(4,000)

Amount of interest earned                        = 1690

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3 years ago
Need help with this geometric question ASAP, Thank you
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Factorise the following expressions.<br> a) 6x + 5x + 1<br> b) 6x2 13x + 6
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Step-by-step explanation:

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