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romanna [79]
3 years ago
6

en una granja hay 300 gallinas que se comen un camion de grano en 20 dias . si se compran 10 gallinas mas en cuanto tiempo se co

me esa cantidad
Mathematics
1 answer:
lesya692 [45]3 years ago
6 0

Answer:

20 2/3 days

Step-by-step explanation:

       ÷15

300⇒20

310⇒n

     ÷15

310÷15= 20 10/15 = 20 2/3

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A car travels 180 miles in 3 hours. At the same rate of speed, how far will the car travel in h hours
Igoryamba

Answer:

60h

Step-by-step explanation:

180/3: Divide 180 by 3 to get the rate of change.

6 0
2 years ago
How do I do a ratio?​
Kamila [148]
A ratio is comparing one thing to another (numbers in this case). You can write ratios in many ways
here’s three different ways.
There are four girls and and 2 boys.
The ratio of girls to boys is:
4:2
4 to 2
4/2

*THE RATIO MUST ALWAYS BE IN ORDER!!! If boys come first in the problem WRITE THE BOYS NUMBER FIRST! If girls come first, WRITE THE GIRLS FIRST IN THE RATIO!!! (That’s a very common mistake) hope this helps!
6 0
2 years ago
Which one is smallest 0.28,1/4,15%,0.65,32%,1/3
sveticcg [70]

Answer:

15%

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
9. Water is added to two containers for 16 minutes. The equations below model the ounces of
Vladimir [108]

The two containers hold 328 ounces at the they hold same amount of water.

<u>Step-by-step explanation:</u>

The equations below model the ounces of  water, y, in each container after x minutes.

y = 16x + 104

y = -2x^{2} +40x+160

At the time after the start when the containers hold  the same amount of water, the two equations must be equal.

⇒ 16 x + 104 = -2x^{2}  + 40 x + 160

The first step is to divide everything by 2 to make it simplified.

⇒ 8 x + 52 = - x^2 +20 x + 80

Now put everything on the left .

x^2 + 8 x - 20 x + 52 - 80 = 0

Add the like terms together to further reduce the equation

x^2 - 12 x - 28 = 0

Factorizing the equation to find the roots of the equation.

Here, b = -12 and c = -28

where,

  • b is the sum of the roots ⇒ -14 + 2 = -12
  • c is the product of the roots ⇒ -14 × 2 = -28
  • Therefore, (x-14) (x+2) = 0
  • The solution is x = -2 or x = 14

Take x = 14  and substitute in any of the given two equations,

⇒ y = 16(14) + 104

⇒ y =224+104

⇒ 328 ounces

∴ The two containers hold 328 ounces at the they hold same amount of water.

5 0
3 years ago
Solve<br><br> -3 &lt; -4x + 1 &lt; 13<br><br> A. (-3,1)<br> B. [-3,1]<br> C. (4,2)<br> D. [4,2]
Lynna [10]

<em>Greetings from Brasil...</em>

Let's solve this inequality.

Let's isolate X. For this, the elements that are with it must be sent to both sides:

- 3 < - 4X + 1 < 13

- 3 - 1 < - 4X < 13 - 1

- 4 < - 4X < 12

<h2>- 3 < X < 1</h2>

<em>important: see annex</em>

7 0
3 years ago
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