2 years ago

If a necklace was on discount 10% and the original price was $20 what was the amount of discount?

Mathematics

2 answers:

netineya [11]2 years ago

8 0

Answer:

its 10$

Step-by-step explanation:

Andreas93 [3]2 years ago

7 0

Answer:

10$

Step-by-step explanation:

dollars hope it helps

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ladessa [460]

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The line crosses the x axis at -2

The answer is : x-y > -2

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2 years ago

If the cost of a raffle ticket is $2, which of the following expressions could be used to represent the cost of m tickets? 2m 2

Bingel [31]

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2 years ago

Which of the following numbers is closest to 4?<br> O A. V13<br> O B. V18<br> C. 15<br> D. 719

OverLord2011 [107]

Answer:

$\huge\boxed{B.\ \sqrt{18}}$

Step-by-step explanation:

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2 years ago

A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimat

Contact [7]

Answer: a. n= 1068

b. n= 164

Step-by-step explanation:

The formula to find the sample size :

$n=p(1-p)(\dfrac{z^{*}}{E})^2$

, where p=prior population proportion , z* = critical z-value and E = Margin of error.

Here , let p=proportion of computers that use a new operating system.

Given : Confidence level = 95%

i.e. z* = 1.96 [by z-table]

Margin of error : E = 3% =0.03

a. If p is unknown , then we assume p=0.5

Then, $n=(0.5)(1-0.5)(\dfrac{1.96}{0.03})^2=1067.11111\approx1068$

i.e. n= 1068

b. p=0.96

Then, $n=(0.96)(1-0.96)(\dfrac{1.96}{0.03})^2=163.908266667\approx164$

i.e. n= 164.

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2 years ago

Find the value of x.

Solnce55 [7]

Answer:

x = 12

Step-by-step explanation:

Angle Bisector Theorem: PS / PQ = RS / QR

24/14 = x/7

cross-multiply:

14x = 168

x = 12

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1 year ago

If a necklace was on discount 10% and the original price was $20 what was the amount of discount?​

If a necklace was on discount 10% and the original price was $20 what was the amount of discount?