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3 years ago

Simplify (2x-1/x^2-2x-3) + (1/x-3) Please provide a step by step

Mathematics

1 answer:

topjm [15]3 years ago

8 0

Answer:

(3x - 9)/(x² - 5x + 12)

Step-by-step explanation:

Answer attached, please refer it.

Hope it helps :)

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Insulin is used to regulate sugar in the bloodstream. A dose of 10 units breaks down by about 5% each minute after injection. Ho

s344n2d4d5 [400]

Answer:

Explanation:

• The initial dose of the Insulin = 10 Units

The insulin breaks down by about 5% each minute, therefore:

• The decay rate, r= 5%

We want to determine the time it will take for the remaining dosage to be half (5 units) of the original dose.

We use the exponential decay function:

$N(t)=N_o(1-r)^t$

Substituting the given values, we have:

$\begin{gathered} 5=10(1-0.05)^t \\ \frac{5}{10}=0.95^t \\ 0.5=0.95^t \end{gathered}$

To solve for t, we change to logarithm form.

8 0

1 year ago

The table below shows the numbers of tickets sold at a movie theater on Friday.

prisoha [69]

Answer:

Number of Adult's tickets sold on Saturday = 3,356

Number of Children's tickets sold on Saturday = 2, 928

Total number of tickets sold over these two days is 8,938.

Step-by-step explanation:

Here, the number of tickets sold on FRIDAY:

Adult Ticket sold = 1,678

Children's Tickets sold = 976

So, the total number of tickets sold on Friday

= Sum of ( Adult + Children's ) tickets = 1,678 + 976 = 2,654 .... (1)

The number of tickets sold on SATURDAY:

Adult Ticket sold = 2 times the number of adult tickets sold on Friday

= 1,678 x 2 = 3,356

Children's Tickets sold = 3 x the number of children's tickets sold on Friday.

= 976 x 3 = 2, 928

So, the total number of tickets sold on Saturday

= Sum of ( Adult + Children's ) tickets = 3,356 + 2,928 = 6, 284 .... (2)

Now, the total number of tickets booked in these two days :

Sum of tickets booked on (Friday + Saturday)

= 2,654 + 6, 284 = 8,938

Hence, total number of tickets sold over these two days is 8,938.

6 0

3 years ago

Help please!!!!!!!!!!!!!!!!!!!

ivolga24 [154]

I think the answer is
1) 3/2

5 0

3 years ago

Indicate by true or false whether the following equation is quadratic -3/4x^2 +2=0 true or false

yKpoI14uk [10]

$\bf -\cfrac{3}{4}x^2+2=0\impliedby \textit{notice the }^2\textit{, is \underline{quadratic}}$

bear in mind that it goes with the "degree" of the polynomial.

5 0

3 years ago

A rectangular prism is 8 feet long, 3 feet high, and 6 feet wide. A cubic foot of water is approximately 7.5 gallons. How many g

Yuliya22 [10]

810 gallons of water when it is 75% full.

8 0

3 years ago

Read 2 more answers