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Advocard [28]
3 years ago
12

Rose went to a stationary shop.she purchased 2 packs of red pens,4 packs of black pens,and 3 packs of blue pens.the cost of each

pack of pens was $2.50.which expression shows the total amount rose spent on the pens.
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0
Its 11.5 because your adding everything in your equation or question
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*picture* triangle similarity theorems
larisa [96]
It is 2.4 because the ratio is 5:4 so when you apply that to lines DA and EC you would get 2.4
3 0
3 years ago
Today, the population of Canyon Falls is 22,500 and the population of Swift Creek is 15,200. The population of Canyon Falls is d
deff fn [24]

Answer:

  10 years

Step-by-step explanation:

Let c and s represent the populations of Canyon Falls and Swift Creek, respectively. For time t in years, the respective populations are ...

  c = 22500 -740t

  s = 15200 +1500t

We want to find t when s = 2c.

  s = 2c

  15200 +1500t = 2(22500 -740t)

  2980t = 29800 . . . . . add 1480-15200, simplify

  29800/2980 = t = 10 . . . . divide by the coefficient of t

The population of Swift Creek will be double that of Canyon Falls in 10 years.

7 0
3 years ago
What is the average rate of change of f(x), represented by the table of values, over the interval [-3,4]
77julia77 [94]

Answer:

Average rate of change = 3

Step-by-step explanation:

  • We know that the average rate of change is basically a measure of the slope of the  secant line  in the closed interval [a, b].

here   a = -3 and b = 4

  • f(b) = f(4) = 27
  • f(a) = f(-3) = 6

⇒ Average rate of change = f(b) - f(a)  / b - a

                                            = (27 - 6) / (4 - (-3))

                                            = 21 / 7

                                            = 3

Therefore, Average rate of change = 3

6 0
3 years ago
What is the median of this data set? 100,102,103,106,109
liq [111]

The answer is 103 because it’s in the “middle”

3 0
3 years ago
Read 2 more answers
the following two triangles are similar. Find the missing side length represented by x. Please help i am almost done.
lbvjy [14]

Answer:

7 inches

Step-by-step explanation:

First, you make an imbalanced equation: 22.75/x=13/4.  Then you cross multiply: 22.75 * 4= 91. Then divide 91/13 = 7.

5 0
3 years ago
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