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horrorfan [7]
3 years ago
6

A music player was marked down by 1/4 of the original price.

Mathematics
2 answers:
BigorU [14]3 years ago
8 0

Answer:

It wasn't allowing me to chat so I was just going to say that you are right, the person that answered! I checked on my quiz and it was correct.

shepuryov [24]3 years ago
6 0

Answer:

Step-by-step explanation:

marked down by 1/4 of the original price.

let x represent original price

original price - 1/4 of original price = sales price

x - 1/4x = 128

4/4x - 1/4x = 128

3/4x = 128

x = 128/(3/4)

x = 128 * 4/3

x = 512/3

x = 170.666 rounds to 170.67 <== original price

==============================

I hope I am understanding this one correctly...

let x = price the store paid

x + 1/2x = 170.67

2/2x + 1/2x = 170.67

3/2x = 170.67

x = 170.67 / (3/2)

x = 170.67 * 2/3

x = 341.34/3

x = 113.78 <=== what the store paid

===========================

the difference between the discount price..I am assuming this is the $ 128 from part A.....and what the store paid....113.78...from part B..

128 - 113.78 = $ 14.22 <==

I am not completely sure about B and C......B confused me.....and if B is wrong, so is C.

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2 years ago
Function g is a transformation of the parent function f(x) = x2. The graph of g is a translation right 5 units
Allisa [31]

Answer:

  C.  y = x^2 -10x +26

Step-by-step explanation:

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In "y =" form, this is ...

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6 0
3 years ago
5.5 times a number is fourteen
Anni [7]

Answer:

x = 2.55 (rounded)

x = 2. 5454545455 (exact)

Step-by-step explanation:

We can change this sentence, into a mathematical expression and solve:

5.5 · x = 14

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Hope this helps!!

8 0
3 years ago
Read 2 more answers
:
Alinara [238K]

There was 4.35% error in Diego's measurements.

Step-by-step explanation:

Given,

Length measured by Diego = Approx value = 22 cm

Actual length = Exact value = 23 cm

Percent error = \frac{|approx-exact|}{exact}*100

Percent\ error = \frac{|22-23|}{23}*100\\\\Percent\ error = \frac{|-1|}{23}*100\\\\Percent\ error = \frac{1}{23}*100\\\\Percent\ error = \frac{100}{23}\\\\Percent\ error = 4.347\%

Rounding off to nearest hundredth

Percent error = 4.35%

There was 4.35% error in Diego's measurements.

Keywords: percentage, subtraction

Learn more about percentages at:

  • brainly.com/question/13063819
  • brainly.com/question/13219835

#LearnwithBrainly

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2 years ago
Julie wants to have a 90 average in her math class at the end of the year. She is trying to determine what she needs to make on
Virty [35]
She would have to have a 95% in order to have a 90% average
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