5. which situation is best represented
by the equation below?
co3 = 2.1
a gavin gave the cashier $3 when the
total was $2.10. find c, the amount of
change gavin received. allere al
b carley bought 3 packages of gum
that each had the same cost. the total
was $2.10. find c, the cost of each
package of gum.
c aunt peggy made 2.1 pounds of
fudge for each of her 3 nephews. find
c, the number of pounds of fudge aunt
peggy made.
d chris must give a speech that is no
longer than 3 minutes. he spoke for
2.1 minutes. find c, the number of
minutes chris has left.

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37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.