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Elenna [48]
3 years ago
14

Sherry is driving 390 miles to visit The gateway arch in St. Louis. She drives at an average rate of 65 miles per hour. Explain

how you can find the amount of time it will take Sherry to get to the arch
Mathematics
1 answer:
grandymaker [24]3 years ago
8 0

Answer:

t = 6 s

Step-by-step explanation:

Given that,

Sherry is driving 390 miles to visit The gateway arch in St. Louis.

She drives at an average rate of 65 miles per hour.

We need to find the amount of time it will take Sherry to get to the arch. Let the time is t.

Speed = distance/time

t=\dfrac{d}{v}\\\\t=\dfrac{390}{65}\\\\t=6\ h

Hence, it will take 6 hours to get to the arch.

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A 5-pound bag at Bargain Mart costs $6.45. A 2-pound bag at Food Saver costs $2.50. A 7-pound bag at Grocery Surplus costs $9.45
levacccp [35]

Answer: Food Saver

Step-by-step explanation:

A 5-pound bag at Bargain Mart costs $6.45. The coat per pound will be:

= $6.45 / 5

= $1.29

A 2-pound bag at Food Saver costs $2.50. The cost per pound will be:

= $2.50 / 2

= $1.25

A 7-pound bag at Grocery Surplus costs $9.45. The cost per pound will be:

= $9.45 / 7

= $1.35

A 10-pound bag at Economart costs $12.89. ​The cost ​per pound will be:

= $12.89 / 10

= $1.289

Therefore, the shop which sells flour for the lowest unit price is Food Saver.

5 0
2 years ago
What's the answer
SVEN [57.7K]

a) We kindly invite to check the image attached below to see a detailed graph of the <em>piecewise</em> function.

b) The <em>piecewise</em> function is continuous.

<h3>How to understand a piecewise function</h3>

A <em>piecewise</em> function is a <em>conditional</em> combination of two or more functions, whose expression depends on which value of the domain is the function evaluated at.

a) The <em>piecewise</em> function described in the question is plotted on a graphing tool (i.e. <em>Desmos</em>), whose result is presented in the image attached below.

b) A function is <em>continuous</em> if and only if there is one value from range for every value of domain. The <em>piecewise</em> function is continuous as <em>linear</em> functions are continuous and the two functions of the <em>conditional</em> combination have the same value for x = 30.

To learn more on piecewise functions: brainly.com/question/12561612

#SPJ1

7 0
2 years ago
So what is the answer to Which is larger? 3.6 km or 3,600 m
mina [271]

Answer:

the answer is 3.6km is bigger then 3,600 m

3 0
3 years ago
Solve 3x - 6y = – 1 for y
umka2103 [35]

Answer:

Step-by-step explanation:

3x - 6y = -1

-6y = -1 -3x

-6y = -(1+3x)

   y = -(1+3x)/-6

y = (1 + 3x )/6

7 0
3 years ago
Help solve! stuck on factoring
sweet-ann [11.9K]

Answer:

a = x and b = 4

Step-by-step explanation:

x^3 - 64 = (x - 4)(x^2 + 4x + 16)

so

a = x and b = 4

4 0
3 years ago
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