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Nina [5.8K]
3 years ago
6

Please help me solve 3x^3 - 4x^2 + 9x - 12. I am trying to factor this completely.

Mathematics
1 answer:
nikklg [1K]3 years ago
5 0
It’s already factored
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If a,b and c are numbers such that a:b:c = 2:3:5 and b= 30 then, find the sum of a+b+c ?​
ladessa [460]

Answer:

100

Step-by-step explanation:

2:3:5

20:30:50

20 + 30 + 50 = 50 + 50 = 100

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Convert 491 into binary number
sergij07 [2.7K]

Answer:

111101011 subscript 2

Step-by-step explanation:

491 / 2 = 245 , 1 remainder

245 / 2 = 122 , 1 remainder

122 / 2 = 61 , 0 remainder

61 / 2 = 30 , 1 remainder

30 / 2 = 15 , 0 remainder

15 / 2 = 7 , 1 remainder

7 / 2 = 3 , 1 remainder

3 / 2 = 1 , 1 remainder

1 / 2 = 0 , 1 remainder

Now, we're going to put the remainders together in reverse order to get the final answer.

111101011 ---> this is the final solution

See the image below for how you would write 111101011 subcript 2.

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X + 10 = 2x + 8
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3 years ago
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ok so i have a few things to show you , you will know which one the problem is, but for the other sites everything i try front t
Darya [45]

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The local pizza parlor is filling an order of 40 pizzas for a school party. The circle graph shows the percentages of the differ
marysya [2.9K]

Answer:

C 10 pizzas

Step-by-step explanation:

We know that there are 40 total pizzas

We also know the percentage of each pizza, except mushroom.

By definition, the total percent of everything is 100%

If we add up what we know...we get the following:

10% Pineapple + 45% Pepperoni + 20% Ham equals 75%

10 + 45 = 55

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100% - 75% = 25%

25% of 40 pizzas is 0.25 x 40 which equals 10

25% is also the same as 1/4 or one quarter...so 40 divided by 4 is also 10.

So the answer is C. 10 pizzas

Another was to approach this would be to figure out how many of each other pizzas there are.

10% Pineapple is 0.10 x 40 = 4 Pineapple pizzas

45% Pepperoni is 0.45 x 40 = 18 Pepperoni pizzas

20% Ham is 0.20 x 40 = 8 Ham pizzas

if you add 4 + 18 + 8 you get 30 pizzas

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