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Georgia [21]
3 years ago
6

You have to average at least a "90" on your test scores to get an "

Mathematics
1 answer:
Ganezh [65]3 years ago
4 0
The next score is 90 because 85+91+92+92=360/4= 90 average.
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Please no wrong answers <br>what to do next??​
Finger [1]

Step-by-step explanation:

I am not sure what you want to calculate as ultimate goal.

but your have an error already in your third line in the picture.

(3-6i)(2-4i) = 3×(2-4i) - 6i(2-4i)

you had there a "+" instead of a "-".

and then you made subsequent mistakes in every line, some of them are funnily bringing you more back to the real result (e.g. -12i + 12i would be 0 and not -24i, but if the third line would have been correct, then yes, -24i is actually needed) - but not completely.

= 3×2 - 3×4i - 6i×2 + 6i×4i =

= 6 - 12i - 12i + 24×-1 = 6 - 24i - 24 = -24i - 18

then in the last 3 lines you kind of lose it completely. I am absolutely not sure, what you are calculating, and where the "+" cube from instead of "×" (multiplications) and such.

(3+6i)(2+4i) = 3×2 + 3×4i + 6i×2 + 6i×4i =

= 6 + 12i + 12i + 24×-1 =

= 6 + 24i - 24 = 24i - 18

is that what you wanted to show ?

7 0
3 years ago
Two true or false :)
asambeis [7]
1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true
4 0
3 years ago
Which of these numbers is the greatest? No links
Ahat [919]

Answer:

c. 1.2 * 10^4

5 0
3 years ago
Read 2 more answers
Kim and Jose shared one whole pizza. Kim ate 4/6 of the pizza, and Jose ate 3/12 of the pizza. How much of the pizza was eaten?
adelina 88 [10]

Answer: 11/12

Step-by-step explanation: You need to make 4/6 by multiplying it by 2. 4/6 would become 8/12. You would then add it by 3/12 getting 11/12.

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3 years ago
Which are partial products for 68 × 43?
3241004551 [841]
The correct answer is D? Its the only one that makes sense.
6 0
3 years ago
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