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sdas [7]
1 year ago
13

Find the area of a circle with diameter, d = 3.3m. give your answer rounded to 1 dp.

Mathematics
1 answer:
SSSSS [86.1K]1 year ago
8 0

Answer:

Step-by-step explanation:

the area of a circle is πr²

r being the radius, which is equal to half the diameter

3.3/2= 1.65

π(1.65)²=8.6m

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A rental company charges a flat fee of $200 plus $50 per day. Create a linear function to represent where f(x) is the total cost
VARVARA [1.3K]
Y=50x+200

Hope that helps!
7 0
3 years ago
Can someone help me with a series of questions?
lora16 [44]

Answer:

yes

Step-by-step explanation:

send the questions....

7 0
3 years ago
Read 2 more answers
Please help me!
Alexxandr [17]

A right triangle has one leg with unknown length, the other leg with length of 5 m, and the hypotenuse with length 13 times sqrt 5 m.

We can use the Pythagorean formula to find the other leg of the right triangle.

a²+b²=c²

Where a and b are the legs of the triangle and c is the hypotenuse.

According to the given problem,

one leg: a= 5m and hypotenuse: c=13√5 m.

So, we can plug in these values in the above equation to get the value of unknown side:b. Hence,

5²+b²=(13√5)²

25 + b² = 13²*(√5)²

25 + b² = 169* 5

25+ b² = 845

25 + b² - 25 = 845 - 25

b² = 820

b =√ 820

b = √(4*205)

b = √4 *√205

b = 2√205

b= 2* 14.32

b = 28.64

So, b= 28.6 (Rounded to one decimal place)

Hence, the exact length of the unknown leg is 2√205m or 28.6 m (approximately).

5 0
3 years ago
The city park department is planning to enclose a play area with fencing. One side of the area will be against an existing build
Oksanka [162]

Answer:

The maximum rectangular area will have the length 400 meters and width 200 meters with one side of the length against an existing building.

Step-by-step explanation:

From the given information;

The perimeter of a rectangle = 2 (L+B)

here;

L = the length of the side of the fence

B = the width of the fence

So; The perimeter of a rectangle = 2L+2B

we are also being told that;

One side of the area will be against an existing building

i.e

The perimeter of a rectangle is now =  L + 2B = 800 meters

L = 800 - 2B

Similarly; Area of a rectangle = L × B

Area of a rectangle = ( 800 - 2B) × B

Area of a rectangle =  800B - 2B²

assuming A(B) to represent the Area;

Then the maximum area A'(B) = 0 ;

Thus,

A'(B) = 800 - 4B = 0

-4B = - 800

4B = 800

B = 200

Therefore; the maximum area have a width = 200 meters and a length 800 - 2(200) =  800 - 400 = 400 meters

3 0
3 years ago
And orange contains 100 mg of vitamin C. It is recommended for a person to eat up to 2000 mg of vitamin C in a day. If you eat s
densk [106]

Answer:

\sf 35 \%

explanation:

\hookrightarrow \sf \dfrac{orange \ juice \ intake}{recommended \ mg}  * 100

\hookrightarrow  \sf \dfrac{7*100}{2000} *100

\hookrightarrow  \sf 35 \%

6 0
2 years ago
Read 2 more answers
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