MATHEMATICS MIDDLE SCHOOL

Kevin has $24 to buy a gift for his cousin he found a gift for $22 with a 5% sales tax added on will Kevin have enough money to buy the gift if so how much will he pay

Answers

Answer 1
Answer:

Kevin will have enough. He will need to pay $23.10.

5% of $22 is $1.10.

22+1.10=23.10

23.10 is less than 24


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HIGH SCHOOL

The sum of three numbers is 24. the largest number is three times the smallest, and the middle number is four less than the largest. what are the numbers

Answers

The numbers are 4, 8 and 12.

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

let the smallest number be x.

So, the largest number = 3x

and, the middle number = 3x - 4

Also, the sum of three numbers be 24.

x+ 3x- 4 + 3x = 24

7x - 4 = 24

7x = 28

x= 28/7

x= 4

Hence, the numbers are 4, 8 and 12.

Learn more about Algebra here:

brainly.com/question/24875240

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Small number =X
mid number = 3X-4
large number = 3x

X+3X-4+3X=24
7X-4=24
7X-4+4=24+4
7X=28
X=28/7
X=4

S=4
M=3(4) -4=12-4=8
L=3(4)=12

The numbers are 4,8 and 12
MIDDLE SCHOOL

If the ratio of side lengths of similar polygons is 6:11, what is the ratio of perimeters

Answers

Answer:

6 : 11

Step-by-step explanation:

the ratio 6 : 11 applies to all linear measure in the similar polygons

Both side lengths and perimeter are linear, hence

ratio of both is 6 : 11

MIDDLE SCHOOL

Estimate the sum or difference of 23/40 11/30

Answers

The least common multiple (and i apologize for my English) of 40 and 30 is 120.

23×3 69 11×4 44

-------= ------ -------= -------

40×3 120 30×4 120

69/120 - 44/120 = 25/120 witch is equal to 5/24 if you simplify with 5.

MIDDLE SCHOOL

What's 5384 multiply by 65

Answers

349960 because you multiply and stuff

349,960


Hope that helps
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