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astra-53 [7]
2 years ago
12

Ribbon is only sold by the spool. A spool contains 25 yards of ribbon. Shannon needs 58 yards of ribbon to wrap all the presents

which is equivalent to 2.32 spools how many spools should she buy
Mathematics
2 answers:
ella [17]2 years ago
6 0

Answer:

\boxed{\text{3 spools}}

Step-by-step explanation:

\text{1 spool =25 yd}\\\text{Spools needed } = \text{58 yd} \times \dfrac{\text{1 spool}}{\text{25 yd}} = \text{2.32 spools}\\\\\text{However, Shannon can't buy part of a spool. She must $\textbf{round up}$ to the next integer.}\\\text{Shannon must buy $\boxed{\textbf{3 spools}}$ of ribbon}

lubasha [3.4K]2 years ago
3 0

Answer:

1 spool.

Step-by-step explanation:

It is given in the question that 58.0 yards of ribbon equivalent to 2.32 spool.

We have to find number of spools Shannon will buy which will be equivalent to 25 yard ribbon.

∵ 58 yards of ribbon = 2.32 spool

∴ 1 yard of ribbon = \frac{2.32}{58} spool

∴ 25 yards of ribbon = \frac{2.32}{58} × 25

                                  = 1 spool

Therefore, Shannon will buy 1 spool.

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gayaneshka [121]
John Paul is correct
7 0
1 year ago
f(x) = −16x2 + 24x + 16 Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points) Part B: Is the vertex
DerKrebs [107]

Answer:

see below

Step-by-step explanation:

f(x) = −16x^2 + 24x + 16

Set equal to zero to find the x intercepts

0  = −16x^2 + 24x + 16

Factor out -8

0 = -8(2x^2 -3x-2)

Factor

0 = -8(2x +1) (x-2)

Using the zero product property

2x+1 =0    x-2 =0

x = -1/2      x=2

The x intercepts are -1/2   ,2

Since the coefficient of x^2 is negative the graph will open down and the vertex will be a maximum

The x value of the maximum is 1/2 way between the zeros

(-1/2+2) /2 = 1.5/2 =.75

To find the y value substitute into the function

f(.75) = -8(2x +1) (x-2)

        =-8(2*.75+1) (.75-2)

        = -8(2.5)(-1.25)

         =25

The vertex is at (.75, 25)

We have the zeros, and  the vertex.  We know the graph is symmetrical about the vertex

3 0
2 years ago
John should drive to his workplace and back to home. On the way to the workplace it was raining, so he drove at speed of 42mph.
elixir [45]

Answer:

47.25 mph

Step-by-step explanation:

Represent the total distance traveled as 2x. Average speed= total distance/total time

When going at 42 mph, the time would be x/42 and when going at 54 mph the time would be x/54 to travel x distance. Add x/42 and x/54 together to get 16x/378. Then divide 2x by 16x/378 to get 47.25 mph. Also this is RSM innit?

5 0
2 years ago
Focus groups of 15 people are randomly selected to discuss products of the Yummy Company. It is determined that the mean number
Morgarella [4.7K]

Answer:

Yes, 15 people would be unusual as it falls outside of 2 standard deviation of mean.

Step-by-step explanation:

Consider the provided information.

The mean number (per group) who recognize the Yummy brand name is 12.5, and the standard deviation is 0.58.

Mean = μ= 12.5  

σ = 0.58

n = 15

\mu\pm2\sigma=12.5\pm 2(0.58)\\\mu\pm2\sigma=12.5\pm1.16\\\mu\pm2\sigma=[11.34, 13.66]

Yes, 15 people would be unusual as it falls outside of 2 standard deviation of mean.

6 0
2 years ago
Which expression is an equivalent expression of 12x + 10 + 4y?
Nutka1998 [239]
-3x-2.5=y would be an equivalent to that equation
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2 years ago
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