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4 years ago

PLEASE HELP ASAP Which of the following are irrational?

Mathematics

2 answers:

steposvetlana [31]4 years ago

7 0

The answers b and p are irrational

IrinaVladis [17]4 years ago

3 0

Answer: B and P

Hope that helps

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We are going to fence in a rectangular field. If we look at the field from above the cost of the vertical sides are $10/f t, the

Brut [27]

Answer:

Dimensions are 350/9 ft and 17.5 ft

Step-by-step explanation:

We are given the cost per ft of all the 4 sides. Let the horizontal be x and the vertical be y.

Now, we will set up the constraint and equation that we are being asked to maximize.

Thus;

700 = 10y + 10y + 7x + 2x

700 = 20y + 9x

Maiking y the subject, we have;

y = (700 - 9x)/20

y = 35 - 9x/20

Now,area of a rectangle is: A = xy

Thus, A = x(35 - 9x/20))

A = 35x - 9x²/20

We can get the critical points by finding the derivatives and Equating to zero

Thus;

dA/dx = 35 - 0.9x

At dA/dx = 0,we have; x = 350/9

At d²A/dx², we have;

d²A/dx² = -0.9

This is negative, thus we will disregard and use the one gotten from the first derivative.

Thus, we will use x = 350/9 ft

Plugging this into the equation y = 35 - 9x/20, we have;

y = 35 - ((9 × 350/9)/20)

y = 17.5 ft

7 0

4 years ago

Determine the domain and range of the function f (x) = 2 RootIndex 3 StartRoot 108 EndRoot Superscript 2 x.

Gnoma [55]

Answer:

The correct answer is A {x/ all real numbers}; {y/ y> 0}

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

What is the first step to evaluate 55 - 15 + 29?<br> A: 55-15<br> B: 15+29<br> C: 55-29

GalinKa [24]

Answer:

Step-by-step explanation:

You use PEDMAS to evaluate the perfect number so in the PEDMAS it says addition then to subtraction so, the addition goes first. And when you have both addition you go left to right :)

8 0

3 years ago

Read 2 more answers

Determine if xy is tangent to circle z

Kisachek [45]

Hi there!

When a segment is tangent to a circle, it is perpendicular to the radius. If you're given measurements, like the image below, you can use the pythagorean theorem to determine if the triangle is a right triangle. If the triangle is right, then the segment is tangent to the circle.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!

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4 years ago

A hockey team scored 45 goals in its first 16 games. At this rate, how many goals would the team score in an 80 game season? A.

Goshia [24]

First you have to divide 45 by 16. that gives us 2.8125. then multiply 2.8125 by 80 to get 225.

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3 years ago