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3 years ago

A dozen bran muffins cost $9.48. Which equation represents the cost, y, of x muffins

Mathematics

1 answer:

swat323 years ago

6 0

Answer:

12y+9.48x=0

Step-by-step explanation:

Note dozen means 12 in mathematics

So 12 muffins cost $9.48

X muffins cost $y

So let's cross multiply

12×y=9.48×x

12y=9.48x

Substrate 9.48x from both sides

12y-9.48x=0

So the final equation is 12y-9.48x=0

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4. Sasha sells t-shirts. Each day she earns a set amount, plus a

zhannawk [14.2K]

Answer:

The linear function is: p(x) = 3x+65The linear function is: p(x) = 3x+65

Step-by-step explanation:

Let x be the number of t-shirts and y be the total pay

As we can clearly see in the table that there is a linear relationship between x and y

A linear function is given as:

$y = mx+b$

Here m is the gradient of the function then

$m = \frac{y_2-y_1}{x_2-x_1}$

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(1,68) and (2,71)

$m = \frac{71-68}{2-1}\\m = 3$

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$y = 3x+b$

Putting a pair (1,68) in the equation to find the value of b

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Putting the value of b

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8 0

2 years ago

sammy is eleven less than five times Jaime's age. if the sum of their ages is 55, how old is each girl? please help me if i dont

Hoochie [10]

Answer:

Jaime = 11

Sammy = 44

Step-by-step explanation:

It is given that Sammy is eleven less than five times Jaime's age. Use parameter (S) to represent Sammy's age, and parameter (J) to represent Jaime's age. Form an equation based on this given information:

S = 5J - 11

It is given that the sum of the two girl's ages is (55), use an equation to represent this.

S + J = 55

Substitute in the expression for the value of (S) in terms of (J),

(5J - 11) + J = 55

Simplify,

6J - 11 = 55

Inverse operations,

6J - 11 = 55

6J = 66

J = 11

Backsolve for the value of (S), substitute in the value of (J) into the equation for (S) and solve,

S = 5(J) - 11

S = 5(11) -11

S = 55 - 11

S = 44

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2 years ago

Thomas has a scale drawing for his club house. The measurements are 4 in. by 8 in. What will the actual club house measurements

slava [35]

Answer:4=8feet 8=16 feetso in that case it would be 8 by 16

Step-by-step explanation:

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2 years ago