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slega [8]
3 years ago
7

Which equation has a graph perpendicular to the graph 7x=14y-8

Mathematics
1 answer:
IrinaVladis [17]3 years ago
5 0
<span>Slope-intercept form is y = mx + b
m is the slope 
b is the y-intercept 

7x = 14y - 8

7x + 8 = 14y {added 8 to each side}
(1/2)x + (8/14) = y
slope is 1/2 

A line perpendicular would have a slope of -2 {the negative reciprocal of 1/2} 

#1 y = -2x - 7 {it is the only one with a slope of -2}</span>
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A parent made x cupcakes for each of the 109 students in the fourth grade. Which expression could be used to determine the total
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109x is the expression that could be used to determine the total number of cupcakes made given that a parent made x cupcakes for each of the 109 students in the fourth grade. This can be obtained by forming the algebraic expression for the given conditions.

<h3>Find the required expression:</h3>
  • Algebraic expression is made up of numbers, operations and variables.
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Given that,

A parent made x cupcakes for each of the 109 students in the fourth grade.

The total number of students in the class = 109

The number of cupcakes one student gets = 1 × x = x

⇒ The number of cupcakes 109 student gets = 109 × x = 109x

Hence 109x is the expression that could be used to determine the total number of cupcakes made given that a parent made x cupcakes for each of the 109 students in the fourth grade.

Learn more about algebraic expression here:

brainly.com/question/953809

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We have the final part 4x/40 = 7. We can simplify this to x/10 = 7 by dividing the numerator and the denominator by 4. We then multiply both sides by 10 to get x = 70

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