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vaieri [72.5K]
3 years ago
12

Suppose that you want to mix two coffees in order to obtain 100 pounds of a blend. If x represents the number of pounds of coffe

e A, write an algebraic expression that represents the number of pounds of coffee B.
Mathematics
1 answer:
evablogger [386]3 years ago
8 0

Answer:

Algebraic expression representing number of coffee B = 100-x

Step-by-step explanation:

An algebraic expression is an expression that contains unknowns denoted with alphabets or symbols and natural numbers.

Coffee blend is 100 pounds and x represent number of pounds of coffee A

Hence coffee B = 100-x

Algebraic expression representing number of coffee B = 100-x

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Find f(x) and g(x) so that the function can be described as y = f(g(x)).
kompoz [17]

Answer:

The fourth option gives the result.

Step-by-step explanation:

We have to find f(x) and g(x) from options given such that y = f[g(x)] is equivalent to y = \frac{8}{\sqrt{2x + 4}}.

Here, the fourth option gives the result.

If f(x) = \frac{8}{\sqrt{x} } and g(x) = 2x + 4, then the composite function f[g(x)] = \frac{8}{\sqrt{2x + 4}}

⇒ y = \frac{8}{\sqrt{2x + 4}} ( Answer )

3 0
3 years ago
What is the standard deviation of the following test scores? Round your answer to the nearest hundredth. 82, 76, 93, 82, 73, 80
Juli2301 [7.4K]
First we find the mean (or the average)...
average : (82 + 76 + 93 + 82 + 73 + 80 / 6) = 486/6 = 81

now we subtract the average from every data point.....then square the result
82 - 81 = 1.......1^2 = 1
76 - 81 = -5....-5^2 = 25
93 - 81 = 12....12^2 = 144
82 - 81 = 1.......1^2 = 1
73 - 81 = -8.....-8^2 = 64
80 - 81 = -1.....-1^2 = 1

now we find the mean (or average) of those numbers
(1 + 25 + 144 + 1 + 64 + 1) / 6 = 236/6 = 39.33

that is ur variance....to find the standard deviation, take the square root of ur variance.....

square root 39.33 = 6.27 <==
7 0
3 years ago
Suppose the probability of the rain is 50% what profit can the concession stand expect to make
DiKsa [7]
Depeneds on how long they stay outside and what they sell
6 0
4 years ago
Ate 50 hot dogs in 12 minutes at that rate how many hot dogs could he eat in 1 hr
kirza4 [7]
Well
12 goes into 60 5 times
so 50 hot dogs in 12 minutes is equal to 
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3 0
4 years ago
How many more plants grew less than 10 in. than grew more than 10 in.?
insens350 [35]

Answer:

2 more plants did

Step-by-step explanation:

9, 12, 11, 8, 7, 9, 12, 12, 9, 11, 8, 9

9,8,7,9,9,8,9 Are the plants that are less then ten inches and there are 7

of them

12,11,12,12,11 Are the plants that are more than 10 inches tall and there are five.

2 more grew less than ten inches than they did 5 inches.

4 0
3 years ago
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