MATHEMATICS MIDDLE SCHOOL

Chris is making a table top from some leftover tiles. He has 9 tiles that measure 3 1/8 inches long and 2 3/4 inches wide. What is the area he can cover with these tiles?

Answers

Answer 1
Answer:

The area tjhat he can cover with these tiles is 77 ¹¹/₃₂ in²

Further explanation

To solve the above questions, we need to recall some of the formulas as follows:

Area of Square = (Length of Side)²

Perimeter of Square = 4 × (Length of Side)

Area of Rectangle = Length × Width

Perimeter of Rectangle = 2 × ( Length + Width )

Area of Rhombus = ½ × ( Diagonal₁ + Diagonal₂ )

Perimeter of Rhombus = 4 × ( Length of Side )

Area of Kite = ½ × ( Diagonal₁ + Diagonal₂ )

Perimeter of Kite = 2 × ( Length of Side₁ + Length of Side₂ )

Let us now tackle the problem !

Given:

Number of Tiles = N = 9 tiles

Length of Tiles = L = 3¹/₈ inches

WIdth of Tiles = W = 2³/₄ inches

Unknown:

Total Area = A = ?

Solution:

Area of One Tile.

\texttt{Area of Rectangle} = \texttt{Length} * \texttt{Width}

\texttt{Area of Rectangle} = 3 (1)/(8) * 2 (3)/(4)

\texttt{Area of Rectangle} = 8 (19)/(32) ~ \texttt{in}^2

Total Area.

\texttt{Total Area} = \texttt{Number of Tiles} * \texttt{Area of One Tile}

\texttt{Total Area} = 9 * 8 (19)/(32)

\texttt{Total Area} = 77 (11)/(32) ~ \texttt{in}^2

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Answer details

Grade: College

Subject: Mathematics

Chapter: Two Dimensional Figures

Keywords: Perimeter, Area , Square , Rectangle , Side , Length , Width
Answer 2
Answer: in order to find the area of the table top we have to multiply L*W
where L=3 1/8=25/8
W=2 3/4=11/4
A=25/8  *  11/4= (25*11)/(4*8)=275/32= 8  19/32 in squared

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What is the simplified value of the expression below?
-8*(-3)
-24

Answers

Answer:

24

Step-by-step explanation:

Multiply −8 by −3 =24

two negatives = a positive answer

a negative and a positive = a negative answer

two positive = positive answer

How can you write 0.15 in a fraction

Answers

In order to write a decimal as a fraction, you simply need to put all the numbers in the decimal as the numerator of the fraction, and then put a multiple of 10 with as many zeros as there are numbers to the right of the decimal point as the denominator.

0.15 = (15)/(100)

We can reduce our resulting fraction, since both numerator and denominator are divisible by 5.

(15 / 5)/(100 / 5) = (3)/(20)

Which is our final answer.
0.15 written as a fraction is (3)/(20).
Hope that helped! =)
15/100, since theres 2 digits in 15 the very last digit is the "100th" decimal place

What is (5n + 4)(6n + 6) show work

Answers

Answer:

n=1

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

30n²+54+24n

Step-by-step explanation:

5nX6n=30n²

5nX6n=30n²5nX6=30

5nX6n=30n²5nX6=304X6n=24n

5nX6n=30n²5nX6=304X6n=24n4X6=24

=30n²+30+24n+24

=30n²+54+24n

Which answer shows this equation written in standard form? 8 – 1(x – y) = –3x + 5

A.
2x + y = –3

B.
2x – y = –3

C.
–4x + y = –3

D.
2x + y = 13

Answers

Hint: distribute

8 - x + y = -3x + 5
 +3x         +3x     
8+2x+y  = 5
-8            -8
   2x+y   =-3

A

What numbers add up to 5 and multiply to 3?

Answers

None. The only factors of 3 are 3 and 1, and those do not add to equal 5.

Why is the gcf of two numbers is sometimes one

Answers

Because there isn't any other number that can go into both numbers equally
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