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strojnjashka [21]
2 years ago
15

500m of fencing is available to make 4 rectangular pens of identical shape. Find the dimensions that maximise the area of each p

en if the plan is: (DIAGRAMS BELLOW)

Mathematics
1 answer:
vodka [1.7K]2 years ago
5 0

Answer:

The answer is "x(\frac{250}{3}-x)"

Step-by-step explanation:

Both points are similar that's why the solution is:

\to \frac{6x+6y=500}{6}\\\\\to x+y=\frac{250}{3}\\\\\to y= \frac{250}{3}-x \\\\\to Area= xy\\\\ \to Area= x(\frac{250}{3}-x)

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1025 + 503 – 1412 – 7
Andreyy89

Answer: a

Step-by-step explanation:

4 0
3 years ago
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dolphi86 [110]
To form an equation with the given information, we use the formula :

y = mx + b, m being the slope and b being the y-intercept.

Since it is given that the slope is -9/7, we substitute m with -9/7.

y = -9/7x + b

To find b, we will substitute the known coordinates into the equation :
At point (-7 , 4), x = -7, y = 4

4 = -9/7 (-7) + b
4  = 9 + b
b = 4 - 9
b = -5

Now we know that b = -5, we will substitute b = -5 into the equation that we found earlier, y = -9/7 x + b :

y = - 9/7x - 5

To make it more readable, we can multiply the equation by 7:
7y = -9x - 5
7y + 9x + 5 = 0

-----------------------------------------------------------
Answer : 7y + 9x + 5 = 0
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7 0
3 years ago
The perimeter of a rectangular field is 374 yard. If the length of the field is 99 yards, what is its width?
likoan [24]
The perimeter of a rectangle is 2*L+2*W. Knowing that length is 99, we do 2*99 to get 198.Do 374-198, which is 176, we know that that is twice the length of the width. Therefore the width is 176/2, which is 88.
3 0
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Please help look at the attachment
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Answer:

i think the answer is that y is 7 and x is 9

Step-by-step explanation: sorry  if this is wrong it probley is

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