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daser333 [38]
2 years ago
7

Dwight is 3 years older than twice his sisters age . how old is dwight (write the expression)​

Mathematics
1 answer:
Eduardwww [97]2 years ago
8 0

Answer:

Step-by-step explanation:

let dwight represent x nd his sister represent y

y+3x2=x

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Ben wants to estimate the cost of dinner and a movie for himself and his friend. He knows the following information
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Answer:

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Step-by-step explanation:

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Read 2 more answers
What is the domain of f(x)=-5x+4
ANTONII [103]

Answer:

f(x) = -5x + 4

Domain refers to the values of x that would result to  a defined value of y. Since the given f(x) is a linear function, then all the values of x would give a corresponding value of y. So, the domain of f(x)=-5x+4 are all real numbers.

Or, plot the given equation to check.

The graph of f(x)=-5x+4 is shown below.

Since the graph is a straight line and can be extended continuously on both ends,  this indicates that every values of x, there is a corresponding value of y.

Hence, the domain of the given function are all real numbers.Step-by-step explanation:

4 0
3 years ago
why was the value of y for the function y =5x + 1 always be greater than that for the function y=4x+2 when x&gt;1
Galina-37 [17]
Lets compare both equations so we can explain the reason for it, and see it clearly:
<span>y1 = 5x + 1 
</span><span>y2 = 4x + 2
y1 > y2
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</span>To see why that happens we need to solve for x:
5x - 4x > 2 - 1
x > 1
Therefore, the first equation is greater than the second for values of x > 1
6 0
3 years ago
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