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3 years ago

First one to answer will be marked brainliest

Mathematics

1 answer:

Sholpan [36]3 years ago

5 0

Answer:

c, b, d

Step-by-step explanation:

4. 9^6 is the same thing as multiplying 6 9's, which is option C.

5. Since they have the same base, we can subtract the exponents to get 4^6, or option B.

6. When you have a^(-m), you write it as 1/a^m. In this case, we have 1/(2/3)^3 = 1/(8/27) = 27/8, which is option D. Hope this helps!

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Illustrates whather the two ratios are equal or not using cross 3/27, 1/9

vitfil [10]

Answer:

They are equal

Step-by-step explanation:

Given

$\frac{3}{27}\ and\ \frac{1}{9}$

Required

Determine if they are equal

We start by equating both:

$\frac{3}{27} = \frac{1}{9}$

Cross Multiply

$3 * 9 = 1 * 27$

$27 = 27$

<em>Because both sides of the equation are equal, then the ratios are equal</em>

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3 years ago

The total home attendance for a professional basketball team in 2010 was about 8.2 × 10 to the power of 5, and in 2008 was about

vfiekz [6]

The answer is going to be:
102,500
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3 years ago

A gardener wishes to design a rectangular rose garden with one side of the garden along a main road. The fencing for the 3 non-r

Reptile [31]

Answer:

There is no minimum cost for the fencing that can satisfy these conditions.

as the equation obtained for this problem is y = $\frac{7x}{x-6}$ .

Step-by-step explanation:

let length of the rectangular rose garden be x

and breath of the rectangular rose garden be y

then the area of the garden = xy

cost of fencing a foot for the 3 non road sides = $6

and cost of fencing a foot for a road side = $8

total cost of fencing = 6x + 8x + 6y + 6y

so, total cost = 14x + 12y

cost of fencing for every square foot of the area =$2

So, 2xy = 14x + 12y

=> 2xy = 14x + 12y

Also, x and y has to satisfy x>0 and y>0

You can solve for y (or x if you prefer)

2xy-12y=14x

xy - 6y = 7x

y(x-6)=7x

y = $\frac{7x}{x-6}$

we can check that this function has no minimum value.

as we increase x (starting any x > 6 to make y positive) to make y minimal, y will decrease but the product xy will increase.

So, there is not a minimum cost for fencing that can satisfy these conditions.

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