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Dmitrij [34]
3 years ago
13

Justin opened a savings account with $500. He plans to save $50 per week from his paycheck. Which equation would represent his t

otal balance, y, after x weeks of saving?
A . x = 50y + 500
B . y = x
C .y = 500x + 50
D. y = 50x + 500
Mathematics
1 answer:
svetlana [45]3 years ago
8 0
The answer will be D.
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Vadim26 [7]

Answer:

\frac{5}{12}   \:  \:  \:  \frac{5}{8}  \:  \:  \:  \frac{5}{7}  \:  \:  \:  \frac{5}{6}

Step-by-step explanation:

The trick to this is looking at the denominator. If the numerators are the same for all fractions you are comparing then things are going to be a bit easier for comparing them. The one that has the biggest denominator is small and the one with the smaller denominator is a bigger fraction.

hope this makes sense

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5 0
3 years ago
A construction crew must build 4 miles of road in one week. On Monday, they build 12 mile of road. On Tuesday, they build 13 mil
Julli [10]

\frac{19}{6} many more miles of road are left to build .

<u>Step-by-step explanation:</u>

Here we have , A construction crew must build 4 miles of road in one week. On Monday, they build 1/2 mile of road. On Tuesday, they build 1/3 mile of road.  We need to find that  How many more miles of road are left to build . Let's find out:

  • On Monday, they build 1/2 mile of road.
  • On Tuesday, they build 1/3 mile of road.  

Let Miles of road left to build is x So,

⇒ \frac{1}{2} +\frac{1}{3} +x = 4

⇒ x = 4 - (\frac{1}{2} +\frac{1}{3})

⇒ x = 4 - (\frac{1(3)+1(2)}{6} )

⇒ x = 4 - (\frac{5}{6} )

⇒ x =  (\frac{4(6)-5}{6} )

⇒ x =  \frac{24-5}{6}

⇒ x =  \frac{19}{6}

Therefore, \frac{19}{6} many more miles of road are left to build .

5 0
3 years ago
Read 2 more answers
Why is the sum of a rational number and a irrational number always irrational
zhannawk [14.2K]

Answer:

A rational number is a number able to be put into a fraction, an irrational number is not able to be. Therefore, when adding the two, the rational and the irrational will be irrational. For example, 2 is a rational number, and 1.8903 is irrational. If you add the two, you will get 3.18903, which is unable to be put into a fraction.

5 0
3 years ago
Use Kelly’s steps to simplify this expression.
pantera1 [17]
10w^7 is the answer I’m pretty sure
7 0
3 years ago
Read 2 more answers
Pat wants to create s rectangular playpen for her dogs in her backyard. And estimates the dogs will need 600 square feet. She al
Ira Lisetskai [31]
I found width=13.72 ft and length=43.72 ft.
Call one dimension of the rectangle x, the other will be x+30
You want an area A=600 ft^2 but A=length x width=x*(x+30)=600
Rearranging you get:
x^{2} +30x-600=0
solving this quadratic equation you get a negative solution and a positive one that gives your result.

8 0
3 years ago
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