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ozzi
3 years ago
10

Help me pleas due to day​

Mathematics
1 answer:
Fed [463]3 years ago
5 0

Answer:

32 yards

Step-by-step explanation:

11 + 11 + 5 + 5 = 32 yards

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What is the piecewise-defined function that expresses the cost of the order, C(x), in terms of the number of photos ordered, x?
Murljashka [212]

Answer:

See below

Step-by-step explanation:

The values in the table change by $3.80 from one line to the next. Since each change from line to line changes in number of photos by 20, the average cost per photo is $3.80/20 = $0.19. There is apparently a $5.80 -3.80 = $2.00 shipping charge for numbers of photos in the range shown in the table.

Thus, the piecewise function has 3 pieces:

for x < 100: $2.00 + 0.19x

for x < 200: $4.50 + 0.17x

for x ≥ 200: $0.15x

This could be written as ...

C(x)=\left\{\begin{array}{rcl}\$2.00+0.19x&\text{for}&0\le x

8 0
3 years ago
How to do a diagram in math for kelly correctly answered 80% of the 20 questions on the test
Dvinal [7]

Step-by-step explanation:

80:100=x:20

x=80×20/100=16

3 0
2 years ago
The table shows the ratio between the number of books ordered and their cost: Number of Books Cost (dollars) 7 21 8 24 9 27 Find
statuscvo [17]

Answer:

  (1, 3), (2, 6), (3, 9)

Step-by-step explanation:

Dividing the first given ratio by 7 gives ...

  7/7 : 21/7 = 1 : 3

Multiplying this by 2 and 3 gives the other ratios you want.

  = 2(1) : 2(3) = 2 : 6

  = 3(1) : 3(3) = 3 : 9

The equivalent ratios are (1, 3), (2, 6), (3, 9).

5 0
2 years ago
D) If one gallon of paint covers 0.6 square meters, how many gallons of black paint they
Nesterboy [21]

Answer:

14.5833333333

Step-by-step explanation:

3.5x2.5=8.75, divided by 0.6 is 14.5833333333

5 0
3 years ago
a car travels 157 miles on 10 gallons of gasoline mentally calculate the number of miles that the car travels on one gallon of g
mina [271]
157 / 10 = 15.7 = distance traveled on one gallon
7 0
3 years ago
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