3 years ago

How to do this ? I do t understand this problem at all need an answer for this because it's a homework due tomorrow

1 answer:

7 0

Since the bases are the same you can subtract the exponents. All you have to do is 5-2, which is 3 therefore the answer is x^3.

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Two buses leave a station at the same time and travel in opposite directions. One bus travels12m/hrslower than the other. If the

Alex Ar [27]

distance = speed * time

the first bus speed = x

second bus = x - 12

the sum of distance = 765 miles

first distance = 6x

second distance = 6 (x -12)

6x + 6(x-12) = 765

x + x -12 = 127.5

2x = 139.5

x = 69.75 mi/h which is the faster bus

the second bus speed = 57.75 mi/h

6 0

2 years ago

Fencing a horse corral carol has 2400 ft of fencing to fence in a rectangular horse corral. (a) find a function that models the

Vanyuwa [196]

Here it is given that the width is x ft and total length of the fence is 2400 ft .

Let the length be y ft

So we have

$2(x+y) =2400
\\
x+y=1200
\\
y = 1200 -x$

Let A represents area, and area is the product of length and width .

So we get

$A = x y$

Substituting the value of y, we will get

$A = x (1200-x)= 1200x -x^2$

Second part

The area is maximum at the vertex, and vertex is

$x = - \frac{1200}{2(-1)} = 600 feet$

And

$y=1200-x = 1200-600 = 600 feet$

And that's the required dimensions .

8 0

3 years ago

Plz help me with this Im timed will mark as brainliest

viktelen [127]

Well what i got was 79.3 by finding the average by adding it all together then divided it by how many numbers

4 0

3 years ago

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The tens digit of a certain number is five more than the units digit. The sum of the digits is 9. Find the number.

Leokris [45]

the tens digit = n
the units digit = n-5

n + n-5 = 9
2n = 9+5
2n = 14
n = 7 ← the tens digit

the units digit = n-5 = 7 - 5 = 2

the number is 72

4 0

3 years ago

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Jimmy works part-time at Walmart earning $11 per hour. He is allowed to work anywhere between 0 to 30 hours per week. His only e

Mashcka [7]

The answer is letter A.

8 0

3 years ago