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lys-0071 [83]
3 years ago
5

A popular restaurant chain advertises that it delivers orders within 30 minutes. Suppose the average delivery time for one resta

urant is 27 minutes with a standard deviation of three minutes. One particular order delivery took 35 minutes. What is the z-score for this delivery time?
–2.67
–1.67
1.67
2.67
Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:2.66

Step-by-step explanation:

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last week Sharon mother ordered 60 roses for her shop. This week she will order 5 times as many roses. How many roses will she o
ella [17]
The solution is 60x5 (with expression) (not sure so maby you should check other people's question first then compare to mine)
7 0
3 years ago
Find the perimeter and area of the polygon shown below.
Mars2501 [29]

Answer:

A. P = 72 feet, A = 300 square feet

Step-by-step explanation:

✔️Perimeter = sum of all sides of the polygon = 15 + 16 + 17 + 8 + 16 = 72 ft

✔️Area of the polygon = area of a trapezoid = ½(a + b)h

Where,

a = 16 ft

b = 16 + 8 = 24 ft

h = 15 ft

Substitute

Area = ½(16 + 24)15

Area = ½(40)15

Area = 300 ft²

4 0
3 years ago
Solve the proportional equation below: 5/15 = 3/v
slavikrds [6]

Answer:

15

Step-by-step explanation:

5/15=3/v

5v=15×3

5v=75

5v/5=75/5

v=15

3 0
3 years ago
Read 2 more answers
Send help 15 and 16 pls
lara [203]

Step-by-step explanation:

15. If f(x) = 20x, adding a $10 fee for cleaning would be

g(x) = 20x + 10

The graph of g(x) is shifted 10 units up from the graph of f(x).

16. f(x) = 2x + 1

g(x) = (2x + 1) + 5

h(x) = 3f(2x + 1)

g(x) shifted f(x) 5 units to the right.

h(x) is 3 times steeper than f(x).

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5 0
3 years ago
How many solutions are there to 3x-10(x+2) =13-7x
Vaselesa [24]

This is the following way to solve this problem:

3x-10(x+2)=13-7x

3x-10x-20=13-7x        (multiply 10 times what's in the parentheses)

-7x-20=13-7x              ( subtract 3x from -10x)

-7x-20-13=-7x             ( since the 13 is positive, when we move it to the other

                                   side, we change it's sign, so now we subtract 13 from 20

-7x-7=-7x

-7=-7x+7x                   ( we do the same thing we did above, now with the -7x)

-7=x

x=-7

Answer: x = -7

--- --- --- --- --- --- ---

: )

8 0
3 years ago
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