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Gre4nikov [31]
2 years ago
14

A farmer has enough feed to last his 15pigs for 20days. How long would the feed last if he had 10pigs​

Mathematics
1 answer:
ddd [48]2 years ago
5 0

40/3 days, (13.33 days)

Step-by-step explanation:

Set up the equation, 15/20 = 10/x, and then use cross mutiply to solve it.

10 * 20 = 15x, x = 200/15 = 40/3

Why?

b/c if each pig eats the same amount of food, then the ratio between the number of pigs and days should remain constant.

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Please help with this question!! I need serious help!!
asambeis [7]

Answer:

<h2>The circumference is multipled by 4.</h2>

Step-by-step explanation:

The formula of an area of a circle"

A=\pi r^2

The formula of a circumference of a circle:

C=2\pi r

The area multipled by 16:

16A=16\pi r^2\\\\16A=\pi(4^2r^2)\\\\16A=\pi(4r)^2

The radius has increased fourfold, therefore:

C'=2\pi(4r)=4(2\pi r)=4C

The circumference is multipled by 4.

You can calculate the area and check the circumference:

r=11.6\ in\\\\A=\pi(11.6)^2=132.56\pi\\\\16A=(16)(134.56\pi)=2152.96\pi\ in^2

Calculate the radius:

\pi r^2=2152.96\pi             <em>divide both sides by π</em>

r^2=2152.96\to r=\sqrt{2152.96}\\\\r=46.4\ in

Calculate the circumference of both circles:

r=11.6\ in\\\\C=2\pi(11.6)=23.2\pi\ in

r=46.4\ in\\\\C'=2\pi(46.4)=92.8\pi\ in

\dfrac{C'}{C}=\dfrac{92.8\pi}{23.2\pi}=4\to C'=4C

5 0
3 years ago
Simplify: -5 + 3a +<br> 6 - 4a.
MatroZZZ [7]

Answer:

-a+11

Step-by-step explanation:

hard to explain. but should be correct

4 0
3 years ago
Find the third side in simplest radicle form: 8 and 34
zysi [14]

Answer:

7\sqrt{2}

Step-by-step explanation:

\sqrt{98} = 7\sqrt{2}

5 0
3 years ago
Irene has 1 gallon of milk. She uses 4 fluid ounces of milk in each bowl of cereal. How many bowls of cereal can she fill before
goldenfox [79]
128 ounces in a gallon

128 divided by 4. Gives you 32 bowls of cereal
4 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP !!!!!
tester [92]

Answer:

Domain:

3,6,12,18

Range:

5,7,9,10

Not a function

Step-by-step explanation:

X= Domain

Y= Range

The input 6 is pared with both 5 and 10

7 0
2 years ago
Read 2 more answers
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