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timurjin [86]
3 years ago
6

Please answer this correctly

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0

Answer:

63.59

Step-by-step explanation:

If the perimeter is 32.13, that means it is equal to

2r + 2πr/4 = 32.13

Solving this for r we get 9

Now, we can find the area, which is 3.14*r^2 / 4. Assuming pi to be 3.14 again, we get 63.585. Rounding this to the nearest hundredth, we get 63.59

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How much of the backyard is NOT being used for a vegetable garden or pet exercise area?
Nimfa-mama [501]

Area of backyard is not being used 7792 square feet.

Solution:

Length of the backyard = 181 ft

Width of the backyard = 48 ft

Area of the backyard = length × width

                                   = 181 × 48

Area of the backyard = 8688 square feet

Base of the triangle = 16 ft

Height of the triangle = 28 ft

Area of the triangle = \frac{1}{2}\times \text{base}\times \text{height}

                                 $=\frac{1}{2}\times {16}\times {28}

Area of the triangle = 224 square feet

Length of the rectangle = 32 ft

Width of the rectangle = 21 ft

Area of the rectangular vegetable garden = length × width

                                                                      = 32 × 21

Area of the rectangular vegetable garden = 672 square feet

Area of backyard not used

       = Area of backyard – Area of the triangle + Area of the rectangle

       = 8688 – 224 – 672

       = 7792 square feet

Area of backyard is not being used 7792 square feet.

3 0
4 years ago
The coordinates of the vertices of quadrilateral ABCD are A(-3,4), B(-1,3), C(-3,-1), and D(-4,2). Jorge
Veronika [31]

Answer:

im doing the same thing bro

Step-by-step explanation:

7 0
3 years ago
1. Steve wants to buy a guitar. The model he wants costs $500.00. He can put down $100, but will need to take out a loan for the
worty [1.4K]

Answer:

<em>In one year he will pay about $32 in interest</em>

Step-by-step explanation:

<u>Simple Interest </u>

Interest is calculated on the original principal only of a loan or on the balance of an account.

Unlike compound interest where the interest earned in the compounding periods is added to the new principal, simple interest only considers the principal to calculate the interest.

The interest earned is calculated as follows:

I=P.r.t

Where:

I = Interest

P = initial principal balance

r = interest rate

t = time

Steve paid a down payment of $100 for a guitar that costs $500, therefore he stills owes P=$500-$100=$400. This is the principal amount that will be paid at an interest rate of 8% = 0.08. In t=1 year, he will pay in interest:

I = $400*0.08*1

I = $32.

In one year he will pay about $32 in interest

4 0
3 years ago
Ten cards numbered 1 through 10 are mixed together and then one card is drawn. What is the
aivan3 [116]
Chance of a 2: 1/10. Chance of a 3: 1/10. These are disjoint events (they can’t happen at the same time) but we need the probability that either can happen. So 1/10+1/10=2/10=1/5.
This intuitively makes sense since there are 2 numbers out 10
3 0
3 years ago
How could Brent use a rectangle to model the factors of x2 – 7x + 6?
Crank
<span> He could draw a diagram of a rectangle with dimensions x – 1 and x – 6 and then show the area is equivalent to the sum of x2, –x, –6x, and 6.</span>
6 0
3 years ago
Read 2 more answers
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