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Mazyrski [523]
3 years ago
7

8 1/2 pounds cost $34 ____ per pound

Mathematics
1 answer:
Jlenok [28]3 years ago
6 0

Answer:

$4 per pound

Step-by-step explanation:

34/8.5(or 8 1/2) is equal to 4.

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Find the lowest common denominator of the following fractions.5/n-2 and n+2/ n^2-4 n - 2 n2 - 4 (n - 2)(n2 - 4)
DanielleElmas [232]

Answer:

(n-2)(n+2)

Step-by-step explanation:

The denominator of the second fraction is the difference of squares, so can be factored using the formula for that.

 (n^2 -4) = (n -2)(n +2)

Now, you will note that the second fraction has a numerator that is equal to one of the factors in the denominator. In other words, the whole fraction can be simplified to ...

 (n +2)/((n +2)(n -2)) = 1/(n -2) . . . . with the restriction n≠-2

This reduced form of the fraction has the same denominator as the first fraction, so you can say that the lowest common denominator is that: (n -2).

If there is some reason you don't want to reduce the second fraction, the lowest common denominator will be (n -2)(n +2).

5 0
4 years ago
Given the function, f(x)=[square root] x+3-2 , calculate the average rate of change between x=6 and x=13.
irinina [24]
F(6) = 3-2 = 1
f(13) = 4-2 = 2
Rate of change:
(2-1)/(13-6) = 1/7
5 0
4 years ago
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Please HELP 10 mins left
Andru [333]

Answer:

188

Step-by-step explanation:

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7 0
3 years ago
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Line r is parallel to line s.<br> In which diagram MUST angle 1 be congruent to<br> angle 2?
sattari [20]

Answer:

C

Step-by-step explanation:

In C, angle 1 and 2 are alternate exterior angles, meaning that they are equivalent. They are only corresponding angles in the other options and corresponding angles are not always congruent. So the answer must be C.

5 0
4 years ago
What's the lcm of 24 and 30​
taurus [48]

Answer:

120

Step-by-step explanation:

The LCM of 24 and 30 is 120. To find the least common multiple (LCM) of 24 and 30, we need to find the multiples of 24 and 30 (multiples of 24 = 24, 48, 72, 96 . . . 120; multiples of 30 = 30, 60, 90, 120) and choose the smallest multiple that is exactly divisible by 24 and 30, i.e., 120.

5 0
3 years ago
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