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Lena [83]
3 years ago
7

3.1 Q19

Mathematics
1 answer:
IgorC [24]3 years ago
5 0
Let one length be x and the other be y

x + x + y + y = 440
2x + 2y = 440

Divide by 2 through ...
x + y = 220
y = 220 - x

Area = xy
Area = x(220 -x) = 220x - x^{2}

Given that that max length of x will be -b/2a
a = -1 b = 220
x = \frac{-220}{-2} = 110

x = 110
y = 220 - 110 = 110

Therefore max area = 110 x 110 = 12100 square yards


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Angela bought gifts for her friends in each gift was $10 Y represent the total cost and X represent the number of guests right i
Nezavi [6.7K]

Answer:

each gift =$10

total=y

number of gifts =x

therefore,total= each gift * number of gifts

=$10* x

6 0
3 years ago
What are the 2 square roots
tigry1 [53]
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3 years ago
Consider the function represented by 9x+3y= 12 with x as the independent variable. How can this function be written using
kozerog [31]

Answer:

f(x) = - 3x + 4

Step-by-step explanation:

Given

9x + 3y = 12

We require to rearrange expressing y in terms of x

Subtract 9x from both sides

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y = - 3x + 4

Expressed in functional notation by replacing y by f(x), that is

f(x) = - 3x + 4

8 0
3 years ago
Factor the polynomial by its greatest common monomial factor.<br> 3b^5+15b^4−18b^7
Natasha2012 [34]

Answer:

Step-by-step explanation:

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3 0
3 years ago
All the numbers that round to 940,000 when rounded to the nearest ten thousand?
timurjin [86]

The required number is 940,000.

It is required to find the solution.

<h3>What is rounded number?</h3>

A number that is easily multiplied, divided, etc., and especially a number that ends in zero.

Solution:

To round a number to the nearest 10,000, check the thousands digit to decide whether to round up or round down. If the thousands are 5000 or more, round up. If they are 4999 or less, round down. 45,000 to the nearest 10,000 is 50,000.

The numbers that round to 940,000 when rounded to the nearest ten thousand is  940,000.

Therefore, the required number is 940,000.

Learn more about rounded number here:

brainly.com/question/15265892

#SPJ1

7 0
1 year ago
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