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h2o12
06.07.2019 •
Mathematics
At the frozen yogurt shop, a machine fills cups with 4 ounces of frozen yogurt before adding the toppings. after the cups are filled, customers add as many toppings as they want without exceeding a total weight of 6 ounces. which of the following represent the acceptable weights for the frozen yogurt options? select all that apply: a.) 0 < x ≤ 6 b.) 0 < x ≤ 3 c.) 4 ≤ x ≤ 6 d.) x ≤ 6 e.) |x - 5| ≤ 1 f.) |x - 2| ≤ 6
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Ответ:
That is,
(a) 4 with no toppings
(b) 6 with toppings
Let us examine the given answers.
A) 0 < x ≤ 6
he lowest value of x is 4, so this answer not acceptable.
REJECT
B) 0 < x ≤ 3
Obviously, this does not satisfy 0 ≤ x ≤ 6.
REJECT
C) 4 ≤ x ≤ 6
This is exactly what we want.
ACCEPT
D) x ≤ 6
his does not satisfy x ≥ 4.
REJECT
E) |x - 5| ≤ 1
When x-5 ≤ 1, obtain
x ≤ 6 (acceptable)
When 5 - x ≤ 1, obain
-x ≤ -4
x ≥ 4 (acceptable)
This is what we want.
ACCEPT
F) |x - 2 | ≤ 6
When x - 2 ≤ 6
x ≤ 8 (not acceptable)
REJECT
C and E
Ответ:
The correct answer is C.) 4 ≤ x ≤ 6
Step-by-step explanation:
Let the total weight of the cup be x ounces.
As given The cup is filled with 4 oz. of yogurt before any toppings are added.
So, the initial weight of the cup be 4
⇒ 4 ≤ x (1)
When toppings are added, they are allowed up to a total weight of 6 oz.
So, the weight of the cup cannot exceed 6
⇒ x ≤ 6 (2)
By combining (1) and (2). We get,
4 ≤ x ≤ 6
This means that any weight between, and including, 4 and 6 oz. is acceptable.
Hence, The correct option is C.) 4 ≤ x ≤ 6
Ответ:
Based on what I know I would assume 15. However I would try and find a better answer (Also tell your teacher it's called Mushroom Kingdom not Mario Land)