MATHEMATICS MIDDLE SCHOOL

A garden pond is 6 feet wide. The perimeter of the pond is 28 feet. What is the area of the pond?

Answers

Answer 1
Answer:

Answer:

Therefore, area of the pond is 48 feet².

Step-by-step explanation:

Since perimeter of a rectangle is represented by 2(length + width)

It has been given in the question perimeter = 28 feet and width = 6 feet.

So perimeter = 2 (l + w )

           28 = 2 ( l + 6 )

          14 = ( l + 6)

           l = 14 - 6 = 8 feet

Now area of the pond = area of rectangle = Length × width

                                     = 6 × 8

                                    =  48 feet²

Therefore, area of the pond is 48 feet².
Answer 2
Answer: 168 is the area of the pond (not sure yet)

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Does the equation y= -1/x represent a direct or inverse variation?

Answers

The equation y = -1/x represent a inverse variation

Solution:

Given, equation is y = (-1)/(x)

We have to find the relation between x and y

Now, for finding the relation we have to take two sets of values of x and y and substitute them in given equation.

\begin{array}{l}{\text { Now, take } y=1 \rightarrow 1=-(1)/(x) \rightarrow x=-1} \n\n {\text { Now, take } y=-1 \rightarrow-1=-(1)/(x) \rightarrow x=1}\end{array}

If we observe, when y value is decreased from 1 to – 1, the value of x is increased from -1 to 1

Hence, the x and y varies inversely

Find the function rule.x = -2  -1   0  1  2
y=   9   4  -1  -6 -11

Please help!! 10 pts.

Answers

Finally figured it out :D

The function rules is:
y = -5x - 1  


9 = -5(-2) - 1
4 = -5(-1) - 1
-1 = -5(0) - 1
-6 = -5(1) - 1
-11 = -5(2) - 1

I need help i don't understand

Answers

I'm pretty sure it's 25 sq units


A satellite travels 29 1/2 miles every 4 1/3
seconds. What is its unit rate of speed?​

Answers

Answer:

The speed at which the satellite travel is 6.80 miles per second

Step-by-step explanation:

Given as :

The distance cover by satellites = 29 (1)/(2)  miles

Or, The distance cover by satellites  = (59)/(2) miles

The Time taken by satellite to travel with this speed = 4(1)/(3) sec

Or, The Time taken by satellite to travel with this speed = (13)/(3) seconds

Let the Speed with which the satellite travel = s miles per second

Now, As we know

Speed = (\textrm Distance)/(\textrm Time)

Or, s = ((52)/(2))/((13)/(3))

or, s = (59* 3)/(2* 13)

∴ s = 6.80 mps

So, speed = s = 6.80 miles per second

Hence The speed at which the satellite travel is 6.80 miles per second Anwser

Lynne used 3/8 cup of flour and 1/3 cup of sugar in a recipe. Which number below is a common denominator for 3/8 and 1/3 ?

Answers

3 and 8 have the common number or denominator 24 because 3 times 8 is 24
3/8 and 1/3 = 3/8+1/3  24 is the common denominator. 3x3=9 8x3=24 1x8 =8 3x8=24 

9/24 + 8/24 = 17/24

Janet is buying a $28 necklace. The store reduces the price by 20% and then applies a $2 off coupon. How much will Janet pay for the necklace? Could you show the work please? I would really appreciate it.

Answers

Original cost of the necklace = $28
Percentage by which the store reduces the price of the necklace = 20%
Amount of discount given
by the store on the necklace = (20/100) * 28
                                               = 28/5 dollars
                                               = 5.6 dollars
So
The price of the necklace after discount = (28 - 5.6) dollars
                                                                 = 22.4 dollars
Amount of discount on coupon = $2
Then
Price of the necklace after deducting coupon discount = (22.4 - 2) dollars
                                                                                        = 20.4 dollars
So Janet will pay 20.4 dollars for the necklace.    
make two im so sorry i would show you on paper hard to do it on here i will try
2      2o
---=---
28   100

then you need to cross multiply
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