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KiRa [710]
3 years ago
14

Sebastian needs to fill a container that holds 3/4 liters of water using bottles that hold 1/3 liters of water. How many liters

bottles will he need?
a. 9/4
b. 4/3
c. 4/9
d. 3
Mathematics
2 answers:
coldgirl [10]3 years ago
8 0

goal is 3/4 = 9/12

one step is 1/3 = 4/12

since the denominator is the same, we can ignore it and just look at how many 4's we need to get 9

4 * 9/4 = 9, so c is indeed correct

irina [24]3 years ago
6 0

Answer:

c

Step-by-step explanation:

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Which function is the inverse of f Superscript negative 1 Baseline (x) = negative one-fifth x minus four-fifths?
DedPeter [7]

Answer:

f(x) = -5x - 4

Step-by-step explanation:

We want to get the inverse of the following function:

f^-1(x) = (-1/5)x - 4/5

To do that, we have to replace x with f(x) and f^-1(x) with x, as follows:

x = (-1/5)f(x) - 4/5

And then solve for f(x), the inverse of f^-1(x).

x + 4/5 = (-1/5)f(x)

f(x) = -5x + (-5)4/5

f(x) = -5x - 4

To check our result we compute a pair (x, f(x))

x   f(x)

1   -5*1 - 4 = -9

which has to be equivalent to (-9, 1) in the original function

x      f^-1(x)

-9     (-1/5)*(-9) - 4/5 = 1

5 0
3 years ago
Read 2 more answers
How many solutions does the system have? x+2y=2 2x+4y=−8 ​
Nikitich [7]

Answer:

Step-by-step explanation:

x + 2y = 2

2x + 4y = -8

-2x - 4y = -4

 2x + 4y = -8

0 not equal to -12

no solution

3 0
3 years ago
01:44:56
Nezavi [6.7K]

Answer: the equation would be 5n=1,500

Step-by-step explanation:

5 dollars per N (student) they need to make 1,500 so you need to find n

( to find N do 1,500 divided by 5 = 300

3 0
3 years ago
A recipe for cookies calls for 23 of a cup of sugar per batch. Elena used cups of sugar to make multiple batches of cookies. How
Oxana [17]

Answer:

8

Step-by-step explanation:

Answer: 8 batches

Step-by-step explanation:

To get the number of batches she made, we can just use proportion to solve it. But first, we need to convert 5 1/3 to improper fraction

5 1/3 = 16/3

Then we can now use the proportion to solve

2/3 cups = 1 batch

16/3 cups = x (note:5 1/3=16/3)

cross multiply

2/3 × x = 16 /3

2x/ 3 = 16/3

we need to make x the subject of the formula, to do that we will multiply each side of the equation by 3/2

2/3 × 3/2 x = 16/3 × 3/2

6x /6 = 48 / 6

x = 8

Therefore she made 8 batches of cookies.

6 0
2 years ago
What is the circumference of a circle whose radius is 20 feet? Leave answer in terms of π.
kondor19780726 [428]
The circumference of the circle is 40π. Hope it help!
7 0
3 years ago
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