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Savatey [412]
2 years ago
8

I NEED HELP ASAP. PLEASE AND THANK YOU

Mathematics
1 answer:
Andrej [43]2 years ago
5 0

Answer:

1, 2, and 5

Step-by-step explanation:

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Help with this math question please
gtnhenbr [62]
The answer is B x = -4. x= 3

You must factor the equation by find what 2 numbers can multiply to equal -12 and add to equal 1.

-3 and 4 are the two numbers. Now to put it in factor form would be:

(x - 3)(x + 4) = 0

They y also must equal zero.

Since its equals to 0, we must solve for x for the binomial.

x - 3 = 0 ; x = 3

x + 4 = 0 ; x = -4

The answer you get from solving x, is that answer
6 0
3 years ago
A bacteria culture doubles twice a day. There are 143,622 bacteria present on day 15. How many were present on day 10?
gtnhenbr [62]

Answer:

140

Step-by-step explanation:

- 143,622 bacteria present on day 15

- the bacteria doubles twice a day

that means each day backwards, the bacteria is four times less the day before

therefore:

- on day 14, the number of bacteria is 143,622 / 4

which is 35,905.5

and so on!

so:

- day 13 = 8,976.375

- day 12 = 2,244.09375

- day 11 =  561.0234375

- day 10 = 140.255859375

this rounded to the nearest whole number is

= 140 bacteria

(you can't have a part of a bacteria!)

hope this helps! :)

8 0
3 years ago
If x -6 is one factor of x^2 - 10x +24, which is the other factor?
yulyashka [42]
To get the other factor of the expression x² - 10x + 24, we can use long or synthetic division. We are given that the other factor is x - 6, so we can use that as our divisor. Our setup should look something like this:
x² - 10x + 24 ÷ x - 6
Here is the work using polynomial long division:
         <u> x     -4          </u>   
x - 6 | x² - 10x + 24
         <u> </u><span><u>x² - 6x</u>
</span>          0  - 4x + 24
               <span><u>-4x - 24</u>
</span>                          0
We can see that our quotient is x - 4, which would be the other factor of x - 6 to get x² - 10x + 24. The answer to your query is x - 4. Hope this helps and have a phenomenal day!

7 0
2 years ago
A rainstorm produced a rainfall of 2 inches per hour how many hours would it take to get a rainfall amount of 1 foot
Elis [28]
There are 12 inches in one foot. If it rains 2 inches per hour and we need one foot we need to look for a number that can be multiplied by 2 to get 12. 
\

The answer is 6




8 0
3 years ago
Read 2 more answers
I need help with this ​
Natali [406]
I’m pretty sure this is correct.

8 0
3 years ago
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