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Galina-37 [17]
2 years ago
14

Please help!! markup and markdown word problems.

Mathematics
1 answer:
Lemur [1.5K]2 years ago
5 0

Answer:

1) $343

2) $40

Step-by-step explanation:

1) Kathy paid (100 - 30)% of 490

so we can multiply 490 by 70%

490 x .7 = 343

2)  let 'x' = original price

if she's saving 10% (or .10) then she's paying 90% (or .90)

.9x = 36

x = 36/.9

x = 40

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Answer:

Step-by-step explanation:

n=12.4+23.79-5.27

n=30.92

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I have k quarters, five less quarters than nickels and one more than twice as many dimes as quarters. Find the value of the coin
Alenkinab [10]

Answer:

(35k + 20) cents

Step-by-step explanation:

First of all, let us have the value of each unit:

1 quarter = 25 cents

1 nickel = 5 cents

1 dime = 10 cents

Given that number of quarter = k

Quarters are 5 lesser than Nickels, so number of nickels = k+5

One more than twice as many dimes as quarters:

k = 2 \times Number of Dimes + 1

So, number of dimes = \frac{1}{2}(k-1)

Value of quarters = 25 \times k cents

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So, total value of coins =

25k + 5k +25 +5k-5\\\Rightarrow (35k+20)\ cents

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3 years ago
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It takes a train 8 hours to travel a distance of 216 km. What is the average speed of the train?
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(S=D/T)S=216KM, T=8HOURS : 216/8=27KM/HOUR

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3 years ago
Which equation represents the graphed function?
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we have been asked to find

Which equation represents the graphed function?

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As we know the equation of the passing through two points is given by the formula

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CHECK MY ANSWERS SOMEONE
Galina-37 [17]

Option A is correct.

Step-by-step explanation:

We need ti identify the radius of circle.

The radius of circle is a length of the line from center of the circle to anywhere on the edge of circle. It is also shown in the figure attached.

From the given options, only FE is the line that goes from center of circle to the edge of circle. So, FE is the radius of the circle.

So, Option A is correct.

Keyword: Radius of circle

Learn more about Radius of circle at:

  • brainly.com/question/13096001
  • brainly.com/question/1952668
  • brainly.com/question/3055705

#learnwithBrainly

7 0
3 years ago
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