How can you use the metric prefixes milli-,centi-, and kilo- to help you decide if a metric conversion is reasonable?

Answers

Answer 1
Answer: milli centi and kilo each has a meaning: milli means one thousandth of, centi means one hundredth of, and kilo means one thousand of. So just use the meanings to see if the conversion is correct.

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A home-improvement store sold wind chimes for $30 each. A customer signed up for a free membership card and received a 5% discount off the price. Sales tax of 5% was applied after discount. what was the final price of the wind chime? SHOW YOUR WORK.

this is not part of the problem but im sorry if this is to easy but i need some help with it because my english is not that good so i don't get it....

Answers

30 x 0.05 = 1.5

30 - 1.5 = 28.5

28.5 + 1.5 = 30

$30 is the final answer
From what I understand if the discount would be 5% and then there is sales tax you would be charge that 5% so there for you would not get a deal off the item you are buying it would stay the same price. So the final price is $30.00.

The amount of sales tax charged is directly proportional to the amount of the purchase. Anna pays $3.90 sales tax on a $60purchase. What is the rate of the sales tax? What would the sales tax be on a $340 purchase?
3.5%; $11.19
5%; $17.00
6%; $20.40
6.5%; $22.10

Answers

Answer:

6.5%; $22.10

step 1. subtract

$3.90-$60.00

step 2.

divide

$3.90÷ by the answer you get in step 1

step 3.

Convert answer into percentage by multiplying by 100

Which fraction is equivalent to 1/3

Answers

The fraction number 1/3 is equivalent to 2/6, 9/27, and 3/9. Thus, the correct option is D.

Given that:

Fraction number, n = 1/3

One of every three equally sized portions is represented by the fraction 1/3. We need to choose a fraction that reflects the same proportion in order to establish which fraction is equal to 1/3.

A. 2/6 and 1/3 are comparable because both fractions may be made simpler by dividing the numerator and denominator by their greatest common factor, in this case, 2, which is the case for both fractions.

B. 9/27 and 1/3 are also comparable since both fractions may be made simpler by dividing both the numerator and denominator by their greatest common factor, in this case, 9, which is true for both fractions.

C. Because it represents the same percentage, 3/9 is comparable to 1/3.

Thus, the correct option is D.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ6

The complete question is given below.

Which fraction is equivalent to 1/3?

A. 2/6

B. 9/27

C. 3/9

D. All of the above

1/3=2/6 = 3/9=4/12 and so on...

Basically you just multiply the denominator and the numerator by the same number.

How are perpendicular lines and interesting line alike? How are they different?

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Perpendicular lines and intersecting lines are the same because they both describe 2 lines that cross one another...

They are different because perpendicular lines cross one another in a specific way.  The intersection of perpendicular lines forms 90 degree angles, while intersecting lines just describes 2 lines crossing.  It could be at any angle.
Perpendicular lines= two line segments are perpendicular if they meet at the right angle.
Intersecting lines= two line segments that cross at any angle.
the difference is perpendicular lines have to cross at a right angle. intersecting lines that cross at any angle
the similarity is because they both cross each other.

Two square roots of 25 equals

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The square roots of  25  are  +5  and  -5 .

Erica and tim each use their cell phones to send texts and make phone calls. Erica sent 18 texts and made 6 calls today. Tim sent 12 text and made 4 calls today. Which of the following best compares Erica’s and Tim’s text and calls?

Answers

Answer:

Erica has 6 more text then Tim and 2 more calls then Tim.

Step-by-step explanation:

What i did was 18-12 because those are both text and that was 6 so Erica has 6 more

Then i did 6-4 =2 and those where both of the calls so Erica has 2 more calls then Tim.