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Mashcka [7]
3 years ago
11

Calculate how many weeks, days and hours there are in 4 days 10 hours + 7 days and 16 hours ​

Mathematics
2 answers:
grandymaker [24]3 years ago
7 0

Answer:

1 week, 14 days, 24 hours = 1 day,

= 4 days + 7 days + 10 hours + 16 hours

= 11 days + 26 hours

= 11 days 26 hours

Oksi-84 [34.3K]3 years ago
6 0

Answer:

1 week 5 days 2 hours

Step-by-step explanation:

10 hours + 16 hours = 26hrs = 1 day 2 hours

4 days + 7 days + 1 day 2hrs = 12 days 2 hrs

7 days in a week so 12 days = 1 week 5 days

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7/5 + 4/20<br><br> Answers should be in format example: 5/2 or 2/5. No decimals or mixed numbers.
kipiarov [429]

Answer: 32/20 or 8/5

Step-by-step explanation: Turn 7/5 into 28/20. Do 28/20 plus 4/20. That equals 32/20 or 8/5.

7 0
3 years ago
Read 2 more answers
3. In a single growing season at the Smith Family Orchard, the average yield per apple tree is 150 apples when the number of tre
g100num [7]

Answer:

<em><u>A.10000</u></em>

<em><u>B.25 more trees must be planted</u></em>

Step-by-step explanation:

⇒Given:

  • The intial average yield per acre y_{i} = 150
  • The initial number of trees per acre  t_{i} = 100
  • For each additional tree over 100, the average yield per tree decreases by 1 i.e , if the number trees become 101 , the avg yield becomes 149.
  • Total yield = (number of trees per acre)*(average yield per acre)

<em>A.</em>

⇒If the total trees per acre is doubled , which means :

total number of trees per acre t_{f} = 2*t_{i} = 200

the yield will decrease by : t_{f} - y_{i}

y_{f}= 150-100= 50

⇒total yield = 50*200=10000

<em>B.</em>

⇒to maximize the yield ,

let's take the number of trees per acre to be 100+y ;

and thus the average yield per acre = 150 - y;

total yield = (100+y)*(150-y)\\=15000+50y-y^{2} \\

this is a quadratic equation. this can be rewritten as ,

     ⇒   =15000+50y-y^{2}\\=15000+625 - (625 - 50y +y^{2})\\=15625 - (y-25)^{2}

In this equation , the total yield becomes maximum when y=25;

<u><em>⇒Thus the total number of trees per acre = 100+25 =125;</em></u>

                 

3 0
2 years ago
Given the following formula, solve for h.<br> <img src="https://tex.z-dn.net/?f=%20V%3D%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20r%5E%7
IgorC [24]
Multiply by the inverse of the coefficient of h.

h=\dfrac{3V}{\pi r^2}
3 0
2 years ago
Read 2 more answers
12. Last year, a toy company produced 115,000 board games. This was a 4% decrease in production over the previous year. Which eq
Travka [436]

Answer:

B

Step-by-step explanation

115000 = 0.96p

115000 = p - 0.04p

I think It's B if the = sign in the beginning is a - sign

7 0
2 years ago
What is the total amount and the amount of interest earned on $5,000 at 8% for 20 years? Total Amount Interest Amount compounded
Lina20 [59]

Answer:

final balance = 24,634.02

compound interest = 19,634.02

Step-by-step explanation:

3 0
3 years ago
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