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ivanzaharov [21]
3 years ago
11

HELP FAST!!! Ellen wants to purchase a book that is regularly priced at $18. The book is discounted 15%. She also needs to pay a

6% sales tax on the discounted price.
What is the total amount Ellen will pay for the book?
Enter your answer in the box.
Mathematics
1 answer:
vova2212 [387]3 years ago
5 0
The total amount Ellen paid for the book $16.21
Hope this helps!!
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The weight of an object on the moon varies directly with its weight on the earth. If an object weighing 95 lbs on the moon weigh
Luda [366]
ANSWER

450lb

EXPLANATION

If the weight, m of an object on the moon varies directly as the weight of an object e, on the earth, then we can write the mathematical statement,.
m \propto \: e
We introduce the constant of proportionality to obtain,

m = ke

When, m=95, e=570,

This implies that,

95 = 570k
k = \frac{95}{570}

k = \frac{1}{6}

The equation now becomes,

m = \frac{1}{6} e

We want to find e, when m=2700,

m = \frac{1}{6} \times 2700

m =450lb
8 0
3 years ago
So I kinda forgot how to do this *nervous laughter* um help​
natali 33 [55]

1) value of x =60

2) value of x = 3

Step-by-step explanation:

We need to use cross products to solve the proportions of x.

1.\,\, \frac{3}{5}= \frac{x}{100}

Solving:

\frac{3}{5}= \frac{x}{100}\\Cross\,\,multiply\,\,:\\5x=3*100\\5x=300\\x=\frac{300}{5}\\x=60

So, value of x =60

2.\,\,\frac{x}{8}=\frac{7.5}{20}

\frac{x}{8}=\frac{7.5}{20} \\20x=7.5*8\\20x=60\\x=\frac{60}{20}\\ x=3

So, value of x = 3

Keywords: Ratio and Proportions

Learn more about Ratio and Proportions at:

  • brainly.com/question/8280736
  • brainly.com/question/10764770
  • brainly.com/question/13062539

#learnwithBrainly

7 0
3 years ago
The price of a gallon last year was $3.26. currently, a gallon of gas costs $2.76. what us the percent change?
alexandr402 [8]
John made some chili with 1/2 of a can of beans. How many cans of beans did John use in all? Pls this is my question I need help this is prob simple but I’m dum
3 0
3 years ago
Read 2 more answers
Madison spent 3 times as long on her social project as she did on her other project. If she spent a total of 8 hours on he proje
deff fn [24]

Answer:

6 hours

Step-by-step explanation:

Suppose Madison spent x hours on her social project,

then the number of hours spent on other project will be 1/3 of x=x/3

Total hours spend on all projects will be the addition of hours spent on social project and hour spent on other project, i.e

x + x/3 = 4x/3

It si given that this is 8 hours, therefore

4x/3=8

Multiplying both sides by 3:

4x=24

Dividing across board by 4:

x= 6 hours

5 0
3 years ago
Help please let me know if I’m wrong or right pls!!!!
Ksju [112]

Answer:

you are correct! nonlinear

Step-by-step explanation:

when this equation is graphed it forms a curved line-- making it non linear :)

4 0
3 years ago
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