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7nadin3 [17]
3 years ago
12

Is y a function of x? 9y-3x-4=0

Mathematics
1 answer:
Elza [17]3 years ago
5 0
In other words, can 9y - 3x - 4 = 0 be solved for y, and, if so, is there always exactly one y value for every input (x) value?

9y = 3x + 4
Thus, y = (3/9)x + 4, or    y = (1/3)x + 4

No matter which real x you choose, y is always assigned exactly one value by this rule.  So, yes, this is a function.
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If someone drove 15 miles and is only three fifths of their way home what is the total length of her drive
BabaBlast [244]
3/5 * X = 15
3/5 ÷3/5 * X = 15 ÷ 3/5
X = 25

The total length is 25 miles
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3 years ago
A number x decreased by 3 is 5​
zysi [14]

Answer:

8

Step-by-step explanation:

x - 3 = 5

x = 5 + 3

x = 8

Therefore, the number is 8.

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2 years ago
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devlian [24]

Answer:

A,B,C

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
A rectangle measures 16 cm by 4 cm. It has the same area as a square. Find the perimeter of the square.
Elis [28]

ok ... in this situation... we need to find the area of the rectangle first as it is equal to the area of square .

so .... area of rectangle = l×b= 16×4

= 64 ∴area of square = 64

area of square = s×s

∴to find one side of the square ... we need to find the root of 64 = 8

∴one side = 8

now : perimeter of square : 4 × sides = 4 × 8 = 32 ║


7 0
3 years ago
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