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Dahasolnce [82]
3 years ago
5

What is -3(-4a-2)???

Mathematics
2 answers:
AleksAgata [21]3 years ago
3 0

Answer:

-3(-4a - 2) = 12a + 6

nordsb [41]3 years ago
3 0

Answer:

-3(-4a - 2) = 12a + 6

Step-by-step explanation:

-3(-4a - 2)

=> multiply -3 by everything in the parenthesis

-3 * -4a = 12a

-3 * -2 = 6

=> combine like terms

12a + 6

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Answer: a) N(t)=1500(2)^t

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Step-by-step explanation:

The exponential equation for growth is given by :-

y= ab^t , where a= initial value , b =multiplicative growth factor and t = time.

Given : A bacteria culture contains 1500 bacteria initially and doubles every hour.

i.e. a = 1500 and b= 2

Then, the function N that models the number of bacteria after t hours will be :

N(t)=1500(2)^t

To find , the number of bacteria after 24 hours , we put t= 24 in above equation , we get

N(24)=1500(2)^{24}\\\\=1500(16777216)=25165824000

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3 years ago
El alcance de tangente
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Step-by-step explanation:

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Write an algebraic expression for the given quantity. Let x represent the unknown value. One-eight of the sum of a number and th
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<u>Answer: </u>

Required expression for one-eight of the sum of a number and three is \frac{x}{8} + 3

<u>Solution: </u>

Given that unknown value is represented by variable x.

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Hence required expression for one-eight of the sum of a number and three is \frac{x}{8} + 3

7 0
3 years ago
Maeve’s family recipe for macaroni and cheese makes 4 servings of 310 calories each. Maeve decided to make 1 1/2 times the amoun
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1,860 calories

Step-by-step explanation:

You start with 4 servings of macaroni and cheese with 310 calories per serving. She made 1 1/2 times more of the 4 servings. 1 1/2 as a decimal is 1.5, and 1.5 times 4 is 6. With 310 calories per serving you get the problem 6 x 310 which equals 1,860. Therefore, there are 1,860 calories in Maeve's mac n' cheese

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3 years ago
Solve for x. <br> 35x = 21
emmasim [6.3K]
X = 21/35

x = 3/5 

Explanation: divide both sides by 35 and reduce the fraction 21/35 to get 3/5.

7 0
3 years ago
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