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mash [69]
3 years ago
12

Shelley reaches into a bag of candies and chooses one without peaking. 1 point

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0

Answer:

probability of choosing a green candy is 1/4

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A horse can run 1 3/8 of a mie in 1 3/5 minute. how long does it take the horse to run 1 mile
mario62 [17]

A horse can run 1 3/8 of a mile in 1 3/5 minute. How long does it take the horse to run 1 mile?

So what i would personally do first is convert the fractions into decimals.

1 3/8= 11/8= 1.375    of a mile  

1 3/5= 8/5 =1.6         of a minute

Now we find the rate of change

I

8 0
3 years ago
A rectangular storage container with a lid is to have a volume of 2 m3. The length of its base is twice the width. Material for
Scilla [17]

Answer:

Dimensions are 2 m by 1 meter by 1 meter,

Minimum cost is $ 18.

Step-by-step explanation:

Let w be the width ( in meters ) of the container,

Since, the length is twice of the width,

So, length of the container = 2w,

Now, if h be the height of the container,

Volume = length × width × height

2 = 2w × w × h

1 = w² × h

\implies h=\frac{1}{w^2}

Since, the area of the base = l × w = 2w × w = 2w²,

Area of the lid = l × w = 2w²,

While the area of the sides = 2hw + 2hl

= 2h( w + l)

= 2\times \frac{1}{w^2}(w+2w)

=\frac{6w}{w^2}

=\frac{6}{w}  

Since, Material for the base costs $1 per m². Material for the sides and lid costs $2 per m²,

So, the total cost,

C(w) = 1\times 2w^2+2\times 2w^2 + 2\times \frac{6}{w}

=2w^2+4w^2+\frac{12}{w}

=6w^2+\frac{12}{w}

Differentiating with respect to w,

C'(w) = 12w -\frac{12}{w^2}

Again differentiating with respect to w,

C''(w) = 12 + \frac{24}{w^3}

For maxima or minima,

C'(w) = 0

\implies 12w -\frac{12}{w^2}=0

\implies 12w^3 - 12=0

w^3-1=0\implies w = 1

For w = 1, C''(w) = positive,

Hence, for width 1 m the cost is minimum,

Therefore, the minimum cost is C(1) = 6(1)²+12 = $ 18,

And, the dimension for which the cost is minimum is,

2 m by 1 meter by 1 meter.

7 0
3 years ago
What's the value of x?
8090 [49]
I got 110 but it might be wrong let me check.
5 0
3 years ago
What is the period of this graph?
SCORPION-xisa [38]

Answer:

Period is time between the two peaks.

Period = 4.114 - 1.870

Period = 2.244 seconds

Step-by-step explanation:

4 0
3 years ago
Fred buys 16 bags of tortilla chips and 28 jars of salsa dip. What is the ratio of salsa jars to bags of tortilla chips? Simplif
mylen [45]

7 to 4 is the ratio of salsa jars to salsa bags
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3 years ago
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