Andrea wants a diamond necklace and its selling price is $60. There was a discount of 5%. How much did Andrea pay?

Answers

Answer 1

Answer: so discount means less so find 5%
remember that percent means parts out of 100 so
5%=5/100=1/20
find 1/20 of 60
'of' means mulitpy in math
1/20 ties 60=3
5%=3
discoutn is 3
subtract 3 from 60
60-3=57

she paid $57

Answer 2

Answer: you would need to take the known information. you have $60 and a 5% discount. multiply 60 by 0.95 to figure out how much was payed :)

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PLEASE HELPFind the surface area of a triangular prism, base measures 6 cm, height measures 4 m, sides measure 5 cm and height of prism measures 10 cm

Answers

Answer:

area or two triangular faces = 2 × 1/2 x 6× 4 = 24

area of three rectangular faces= 3x 5x10 = 150

total area = 174cm^2

Which statement is not always true?A.The sum of a rational number and an irrational number is irrational.
B.The sum of two rational numbers is rational.
C.The product of two irrational numbers is irrational.
D.The product of two rational numbers is rational.

Answers

C) this isn't always true
If the irrational parts of the question can add together to make 0 and cancel each other out you will be left with a rational number

C.The product of two irrational numbers is irrational.

Jackson weighed 6 pounds 3 ounces when he was born. When he was 4 weeks old, he weighed 128 ounces. How much weight did jacskon gain in those 4 weeks?

Answers

1 pound = 16 ounces
16×6=?

128- ?+3

What is the surface area of this triangular prism

Answers

(1/2x5x6)x2+(11x5)x2=140
140 square centimeters

What is the value of x? (Figures not drawn to scale.)

Answers

Answer:

x=1

Step-by-step explanation:

this is because in this scale drawing they x2 when they are changing the numbers so you have to think what number x2 would give you 8 and that number is 1. so then you test it out and apply it to your scale drawing and they are 20 and 8

The answer would be x=1

There are 126 seats in a meeting room.There are 9 seats filling up each row. There are 90 people seated, filling up full rows. How many rows are empty? Answer the question with steps or you will not get brainliest.

Answers

The number of rows kept empty will be 4 in the meeting room.

What is Arithmetic progression?

The difference between every two successive terms in a sequence is the same this is known as an arithmetic progression (AP).

The arithmetic progression has wider use in mathematics for example sum of natural numbers.

As per the given,

Number of seats in one row = 9

Total number of seats = 126

Maximum number of possible rows =126/9 = 14 rows

Total number of people seated = 90

Number of rows filled = 90/9 = 10 rows

Empty rows = 14 - 10 = 4 rows.

Hence "In the meeting room, four rows will be left unoccupied".

For more about Arithmetic progression

brainly.com/question/20385181

#SPJ2

Alright. Let us start to solve!

126 seats is the total.

9 seats for each row.

90/9 = 10

10 rows are already occupied.

126/9 = 14

there are 14 rows altogether.

Since 10 are occupied, and there are 14, we subtract.

14-10 = 4

Answer: There are 4 rows empty

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