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erastovalidia [21]
3 years ago
10

GETS BRAINLIEST AND 50 PTS!

Mathematics
2 answers:
FromTheMoon [43]3 years ago
4 0
If the diameter is 3 feet, then the radius is 1.5 feet. Area of a circle = pi * radius squared or A =  \pi r^{2}

A = pi * (1.5)²
A = pi * 2.25
A = 3.14 * 2.25
A = 7.065 ≈ 7.1 

7.1 feet² is your answer. 
In-s [12.5K]3 years ago
4 0
You are solving for the area of circular shape.

Let area = A
Let π= 3.14
Let radius = 1.5

The formula is as followed, you fill in the blanks:

A= \pi r^2 \\ (Area = 3.14 * radius^2

The answer exact answer is 7.07, but if you were to round it, because you want an approximate answer it would be 7.1 square feet.

<span>Your answer from your choices given is bolded, and the work is in the picture:

- 7.1 square feet
- 9.4 square feet
- 18.8 square feet
- 28.3 square feet

</span>
<span><span>Author's Note:

</span> Please help me rank up to Virtuoso!!!
All I need is the following:
•Points: 0
•Brainliest Answers: 3 </span>




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7 0
3 years ago
The area of a rectangular field is 2275 m2. The field is enclosed by 200 m of fence. What are the dimensions of the field?
AURORKA [14]
So it is enclosed by 200 m of  fence
perimiter=200 m
it is a rectangle to
p=legnth+legnth+width+width or
p=l+l+w+w or
p=2l+2w or
p=2(l+w)
so
p=200
200=2(l+w)
divide both sides by 2
100=l+w
area=l times w
area=2275
lw=2275
l+w=100
combine and solve
l+w=100
subtract w
l=100-w
subisutute 100-w for l in other eqution
(100-w)(w)=2275
distribute
-w^2+100w=2275
add (w^2-100w) to both sides
0=w^2-100w+2275
factor
find what 2 numbers add up to -100 and multiply to get 2275
guess (or factor 2275 and find factors that add up to -100)
figure out that they are -65 and -35
0=(w-65)(w-35)
set each to zero
0=w-65
0=w-35

solve for w
w=65 or 35
65>35 so
65 m=legnth
35 m=width
 
4 0
3 years ago
Please help me I will give brainliest
Pani-rosa [81]

Answer:Yes, I checked.. it is option 2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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ziro4ka [17]

5(2)>3(1)+4

10 > 7. Is True because 10 is greather than 7. All needed to do is evaluate the x and y variables for each possibility. A, B, C D. And see if is a logical answer.

Any other combination gives you a false statement.

3 0
4 years ago
Write the equation of the line that contains the given point and has the given slope.
mixer [17]
Y=mx+b   m- slope b- y-intercept(where the line crosses the y axis)
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31=7.5+b simplify
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3 years ago
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