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torisob [31]
3 years ago
6

Nora traveled from Kansas City to Louisville, a distance of 520 mi, in 10 hr. Find her rate in miles per hour

Mathematics
1 answer:
notsponge [240]3 years ago
4 0
Distance = speed x time
Speed= 520÷10=52
52mi/hour
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Can a linear function be continuous but not have a domain and range of all real numbers
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4 0
3 years ago
The width of a rectangle is (5x + 2) inches and the length is (6x − 7) inches. Find the area of the rectangle.
Degger [83]

Answer:

<h2><u><em>30x² − 23x − 14</em></u></h2>

Explanation:

  • Area = Length · Width

Length: (6x - 7)

Width: (5x + 2)

  • Create An Equation

(6x - 7) (5x + 2)

= (6x + −7)(5x + 2)

(6x)(5x) + (6x)(2) + (−7)(5x) + (−7)(2)

= 30x² + 12x − 35x − 14

  • 30x² − 23x − 14

- PNW

7 0
2 years ago
A piggy bank contains 36 coins that consists of dimes and quarters totaling $5.85 how many quarters are in the piggy bank in you
Lesechka [4]
The main idea here is to "translate" the words into maths. 
First we need to identify the unknowns and label these. 

We need to know the number if dimes and the number of quarters. So lets say
x: number of dimes
y: number of quarters

Now lets write equations from the written problem. 
We know that there are 36 coind total, thus: 
x + y = 36
We also know that the coins total 5.85 dollars, but it is better to count in cents, that is 585 cents. 
x are the number of dimes, their value is x*10
y are quarters with value of y*25
thus: 
10x+25y=585

We have two equations and two unknowns now, that needs to be solved to get the answer. 

x + y = 36
10x+25y=585


4 0
3 years ago
Read 2 more answers
7/2x + 1/2x + 5 1/2 + 92x <br> the value of x is..
jeka94

I'm not entirely sure what you mean but simplifying this expression results in 96x + 5 1/2.

8 0
3 years ago
Just how much is a million?
Fudgin [204]
Hey You!

1 million = 1,000,000

In other words, 1 million is 1000 1000s.
7 0
3 years ago
Read 2 more answers
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