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Zina [86]
3 years ago
13

Find an ordered pair (x, y) that is a solution to the equat 4x - y = 7

Mathematics
2 answers:
Tpy6a [65]3 years ago
6 0

Answer:

(0,-7),(1,-3),(2,1)

Step-by-step explanation:

Anvisha [2.4K]3 years ago
6 0
Some answers could be .......
(5,13)

(3,5)

(2,1)

(4,9)
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A water storage tank has the shape of a cylinder with diameter 14 ft. It is mounted so that the circular cross-sections are vert
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Check the picture below.

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\begin{array}{ccll} amount&\%\\ \cline{1-2} 14&100\\ 11&x \end{array}\implies \cfrac{14}{11}=\cfrac{100}{x}\implies 14x=1100 \\\\\\ x = \cfrac{1100}{14}\implies x = \cfrac{550}{7}\implies \boxed{x \approx 78.6}

7 0
3 years ago
If f(x) = 3x - 7, then f-1(x)=
fgiga [73]

Answer:

Step-by-step explanation:

so f-1(x) means we are finding the inverse

f(x) = 3x - 7.....change f(x) to y

y = 3x - 7.....now switch ur x and y and solve for y

x = 3y - 7....add 7 to both sides

x + 7 = 3y...divide both sides by 3

(x/3) + 7/3 = y....rearrange

y = (x/3) + 7/3....can also be written as : y = 1/3x + 7

now just change ur y to f-1(x)

f-1(x) = x/3 + 7/3.....or f-1(x) = 1/3x + 7/3

4 0
3 years ago
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