MATHEMATICS MIDDLE SCHOOL

What is - 6

5p - p when you simplify it

Answers

Answer 1
Answer: 5p-p=4p. The question doesn't make sense because ther is no sign after the minus 6. If it is an X it would be -24p. If it is an add it would be -6+4p. If it was a - it would be -6-4p.

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What is (-8)(-8)(-1)?

Answers

-64, using the negative times negative equals positive and negative times anything else = negative rule, you get -64
by multiplying -8 (-8) you get 64. then 64 (-1) equals -64

Jill earns 1.5 times her normal hourly rate for each hour she works after 40 hours in a week. She worked 52 hours this week and earned $638. What is her normal hourly rate?

Answers

let the  normal hourly rate be x
so normal wages = 40x
bonus = 1.5x(52-40) = 18x
total = 40x+18x =58x = $638.
x = $11/hour
52/636
    635
      100
        52
         480
         480
Answer:67.1816

There are 25 students in a class. Sixteen of those students are boys. What percent of the class are girls? The percent of girls in the class is %

Answers

 25 divided by 5 = 5 thus 5 = 20 percent of 100.
20 divided by 5 = 4 thus 1 = 4 percent of 100

So, 16 = 64% of the class, so subtract.
100 - 64 = 37.

So 37% of the class are girls.

Solve for x:
log5 (5x – 14) = log5 (8x + 4)

Answers

Answer:

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Step-by-step explanation:

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A garden box has a perimeter of 27 1/2 feet. If the length is 9 feet, what is the area of the garden box?

Answers

Perimeter = (Length x 2) + (Width x 2)
27.5 = (9 x 2) + (Width x 2)
27.5 = 18 + (Width x 2)
9.5 = (Width x 2)
4.75 = Width

Let's check:
27.5 = (9 x 2) + (4.75 x 2)
27.5 = 18 + 9.5
27.5 = 27.5 

Since the width is 4.75 and the length is 9, we can multiply the two to get the area. 4.75 x 9 = 42.75 sq. ft.

The area of the garden box is 42³/₄ feet² = 42,75 feet²

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:

Perimeter = P = 27 ¹/₂ feet

Length = L = 9 feet

Unknown:

Area = ?

Solution:

First we calculate the width of the garden box

\texttt{Perimeter} = 2 * ( \texttt{Length + Width} )

27(1)/(2) = 2 * ( 9 + \texttt{Width} )

27(1)/(2) / 2 = ( 9 + \texttt{Width} )

13(3)/(4) = 9 + \texttt{Width}

\texttt{Width} = 13(3)/(4) - 9

\texttt{Width} = \boxed {4(3)/(4) ~ \texttt{feet}}

Finally we can calculate the area of the garden box

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

\texttt{Area} = 9 * 4(3)/(4)

\texttt{Area} = \boxed {42(3)/(4) ~ \texttt{feet}^2}

Learn more

Answer details

Grade: College

Subject: Mathematics

Chapter: Two Dimensional Figures

Keywords: Perimeter, Area , Square , Rectangle , Side , Length , Width

Does this equation define a linear function y=3/x when x does not equal 0

Answers

y= (3)/(x)

no
the answer for this question is......no
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