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White raven [17]
3 years ago
6

Please help asap. 45 points

Mathematics
2 answers:
Levart [38]3 years ago
5 0
The answer is B. hope that help

ch4aika [34]3 years ago
5 0
2(10x^2) + 22x -12

2(10x^2) + 2(11x) - 12

2(10x^2) + 2(11x) + 2 (-6)

2(10x^2 + 11x) + 2 (-6)

2 (10x^2 + 11x - 6) 

2 (10x^2 - 4x + 15x - 6)

2 (2x (5x - 2) + 3 (5x - 2))

2 ((5x - 2) (2x + 3))

Finally, your answer is 2 (5x - 2) (2x + 3) 



 

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monitta
Hi. This is a bit lengthy so I am attaching an image that shows it worked out step by step. I hope it helps.

Take care,
Diana

6 0
3 years ago
Reabilwe is conducting an experiment in which the temperature is measured carefully. The temperature was 106°C at the end of the
frosja888 [35]

The formula to calculate the temperature (T) after m minutes is -

T = 106 - 6m

We have Reabilwe who is conducting an experiment in which the temperature is measured carefully. The temperature was 106°C at the end of the first minute, and then it falls by 6°C every minute after that.

We have to tp determine a formula to calculate the temperature (T) after m minutes.

<h3 /><h3>Starting from x, if the bacteria count rises by 5 every second, then determine the formula to calculate the bacteria count after 30 seconds.</h3>

Initial count = x

Count increasing per second = 5

Assume that the bacteria count after t seconds is y. Then -

y = x + 5t

for t = 30 ↔ y = 150 + x

According to question, we have -

Initial Temperature = 106 degrees Celsius

Temperature increase per minute = 6 degrees Celsius

Assume that the Temperature fall after m minutes is T. Then -

T = 106 - 6m

Hence, formula to calculate the temperature (T) after m minutes is -

T = 106 - 6m

To solve more questions on Equation Modelling, visit the link below -

brainly.com/question/20876878

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5 0
2 years ago
MARK AS BRAINLIEST
labwork [276]

Answer:

C [-2 < x]

Step-by-step explanation:

-6(x - 2) < 24

________ ___

-6 -6

x - 2 > -4

+ 2 + 2

_________

x > -2

** Whenever you divide\multiply by a negative, you reverse the inequality symbol.

I am joyous to assist you anytime.

6 0
3 years ago
A man borrowed $8000. He paid $10100 after 9 months for the debt. What was the interest rate per annum?
Anastaziya [24]

Answer:

3.5%

Step-by-step explanation:

Interest = 10100 - 8000 or 2100

I = Prt

2100 = 8000(9/12)r

2100 = 600r

2100/600 = r

3.5 = r

4 0
3 years ago
Vector bought 15.6 pounds of paintballs. Ali together, the balls cost 35.99. About how much did the paintball cost per pound
Igoryamba

Answer:

<u>about $2.31 per pound</u>

Step-by-step explanation:

35.99/15.6 = 2.30705128205

2.31

Have a good day! :)

5 0
2 years ago
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