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Kazeer [188]
2 years ago
6

Evaluate 13 + 6/y when y = 6

Mathematics
2 answers:
Radda [10]2 years ago
6 0

Answer:

14

Step-by-step explanation:

13 + 6/y

13 + 6/(6)

13 + 1

14

DIA [1.3K]2 years ago
4 0

Answer: 14

Step-by-step explanation: According to PEMDAS you do division first so if y=6 then you do 6/6=1. Then add 13+1

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sergejj [24]

Answer:

Step-by-step explanation:

We have the equations

4x + 3y = 18   where x = the side of the square and y = the side of the triangle

For the areas:

A = x^2 + √3y/2* y/2

A = x^2  + √3y^2/4

From the first equation x = (18 - 3y)/4

So substituting in the area equation:

A = [ (18 - 3y)/4]^2 + √3y^2/4

A = (18 - 3y)^2 / 16 + √3y^2/4

Now for maximum / minimum area the derivative = 0 so we have

A' = 1/16 * 2(18 - 3y) * -3 + 1/4 * 2√3 y = 0

-3/8 (18 - 3y) + √3 y /2 = 0

-27/4 + 9y/8 + √3y /2 = 0

-54 + 9y + 4√3y = 0

y = 54 / 15.93

= 3.39 metres

So x = (18-3(3.39) / 4 = 1.96.

This is a minimum value for x.

So the total length of wire the square  for minimum  total area is 4 * 1.96

= 7.84 m

There is no maximum area as the equation for the total area is a quadratic with a positive leading coefficient.

3 0
3 years ago
Determine the average rate of change for the graphs below!
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The atajan of that wheat of the graph is lowland of the quake
7 0
2 years ago
a company charges a $75 setup fee plus $5.25 per shirt to silkscreen a desing on specialty t-shirts. write an equation which giv
Mila [183]

The equation for this is quite simple. Take note x is the amount of shirts sold and 5.25 is the cost for each one to which they add a 75 setup fee.

So the equation will be

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8 0
3 years ago
What is the answer to thiss
lana [24]

Hi Student!

This question is fairly simple because it gives us an equation and they also give us a value for the variable that is within the equation and they tell us evaluate the expression.  So let's plug in the values and solve.

<u>Plug in the values</u>

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<u>Factor out the exponent</u>

  • (9*9) + 5
  • 81 + 5

<u>Combine</u>

  • 86

Therefore, the final answer that we would get when substituting m with 9 in the given equation is that we get 86.

5 0
2 years ago
A rectangle has an area of 72 in². The length and the width of the rectangle are changed by a scale factor of 3.5.
vodka [1.7K]

Answer:

882 in^2

Step-by-step explanation:

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