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anastassius [24]
3 years ago
15

What is an expression for.

Mathematics
1 answer:
JulijaS [17]3 years ago
7 0
Your answer is 3/4 mile.
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Which of the following are ordered pairs for the equation y = 1/3x + 1?
Brrunno [24]

answer : (0,1) (3,2) (6,3)

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Let f(x) = 3x - 7. What is f(1)?
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no

negative 4 i think im dumb tho

Step-by-step explanation:

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ANSWER HELP PLEASE ASAPPPPPP MATH MATH MAH MATH
qaws [65]

Answer:

being used and the target market for that device. For instance, a device targeted to Business

personals and one targeted to young individuals may use different input methods. Suppose that

you are developing a device to be used primarily for Internet access that will be marketed to

Step-by-step explanation:

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3 years ago
Given ABC find the values of x and y. In your final answer, include all of your calculations.
kow [346]

So with this, we will be using proportions. To solve for x, our proportion will be \frac{x}{6} =\frac{6}{x-9}


Firstly, cross-multiply: x^2-9x=36


Next, subtract 36 on both sides: x^2-9x-36=0


Next, replace -9x with 3x-12x x^2+3x-12x-36=0


Next, factor x^2+3x and -12x-36 separately: x(x+3)-12(x+3)=0 . After, rewrite it as (x-12)(x+3)=0


Next, solve for x separately in the two parentheses:

x-12=0\\ x=12

x+3=0\\ x=-3


Since we can't have a negative length, x = 12.



To solve for y, our proportion will be \frac{y}{9} =\frac{12}{y}


Firstly, cross-multiply: y^2=108


Next, just square root each side, and your answer will be (rounded to hundredths) y=10.39



In short, x = 12 and y = 10.39.

5 0
3 years ago
Which is an equation of a direct proportion?<br><br> a.y=1/6x+6 b.y=6/x<br> c.y=6x-6 d.y=6x
Amanda [17]

Answer:

Option D. y=6x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

<em>Verify each case</em>

case a) y=(1/6)x+6

Is a linear equation, but is not a direct variation. The line not passes through the origin

case b)  y=6/x

The equation represent an inverse variation

case c) y=6x-6

Is a linear equation, but is not a direct variation. The line not passes through the origin

case d) y=6x

The equation represent a direct variation

6 0
3 years ago
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