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solniwko [45]
3 years ago
9

PLZ HELP!!! I only have 53 minutes left!

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

105/4

Step-by-step explanation:

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A factory produce bicycles at a rate of 110+0.5t^2-0.9t bicycles per week (t in weeks)
klasskru [66]

Answer:

221

Step-by-step explanation:

Day 8 is the first day of the second week.

Day 21 is the last day of week 3.

We need to know the n umber of bicycles made from t = 1 to t = 3

The function is b(t) = 110 + 0.5t^2 - 0.9t, where t is in weeks.

We need to integrate the function with the limits of 1 to 3.

\int_{1}^{3} (110 + 0.5t^2 - 0.9t) dt

\int_{1}^{3} (110 + \dfrac{t^2}{2} - \dfrac{9t}{10}) dt

= 110t + \dfrac{t^3}{6} - \dfrac{9t^2}{20} \Biggr|_{1}^{3}

= 330.45 - 109.72

= 220.7333

Answer: 221

3 0
3 years ago
a computer store builds custom computers by allowing customers to choose 1 of 4 different CPU's. 1 of 8 hard drives, and 1 of 3
Lelechka [254]
You multiply the possibilities.

4*8*3 = 96 possibilities.
3 0
3 years ago
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Five more than the product of a number and 8 is equal to 6.
lina2011 [118]

Answer:

8n+5=6

Step-by-step explanation:

5 0
3 years ago
Which of the following can prove that figure ABCD is a square?
Klio2033 [76]

Answer:

A

Step-by-step explanation:

all sides of square is 90degrees

Since AC and BD is the same, when you join the lines together, it will definitely be a square

7 0
3 years ago
3m^3<br> ​3<br> ​​ + 4f + 4 + 2f + 2f^2<br> ​2<br> ​​ + 1
damaskus [11]

Answer:

33m^33+2f^22+6f+5

Step-by-step explanation:

this is the answer for if you are supposed to be simplifying :)

6 0
3 years ago
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