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gregori [183]
2 years ago
15

What is the area of a flower pot that have the shape of a semi circle and its diameter 2.8cm?​

Mathematics
1 answer:
Firdavs [7]2 years ago
4 0

Step-by-step explanation:

The area of a circle = pi r^2

d = 2r Divide by 2 to get the radius

r = d/2

The diameter = 2.8 cm

r = d/2

r = 2.8/2

r = 1.4

The area of the circle = pi * r^1

The area of the circle = 3.14 * 1.4^2

The area of the circle = 6.1544

But you are working with a semic circle

The area of a semicircle is 1/2 that of a circle

Area of semicircle = 1/2 6.1544 = 3.0772 =3.08 when rounded

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The sum of three integers is 92. The second number is three times the first number. The third number is ten less than twice the
SVEN [57.7K]
Given,
The sum of three integers is 92

So,
Let,
The first integer be "x"
The second integer be "y"
The third integer be "z"

Now,
According to the question,
y = 3x          ..............equation (1)
z = 2x - 10    .............. equation (2)
x + y + z = 92 ..............equation (3)

Now,
Substituting the value of "y" and "z" from equation (1) and (2), we get,

x + (3x) + (2x - 10) = 92
    x + 3x + 2x - 10 = 92
                  6x - 10 = 92
                         6x = 92 + 10
                           x = 102 / 6
                           x = 17

Now,
substituting the value of "x" in equation (1)
 y = 3 (17)
y = 51

Now,
Substituting the value of "x" in equation (2),

z = 2 (17 ) - 10
z = 34 - 10
z = 24


So, the numbers are 17, 51 and 24


NEVER HATE MATH!!!
3 0
3 years ago
When making a fruit salad, a chef chooses 4 fruits from 8 that are in season. how many different fruit salads can the chef creat
strojnjashka [21]
The answer is c. You do:
8•7•6•5
There are 8 fruits that you can choose from and every one of them can go with 7 different fruits which can go with 6 different fruits which can go with 5 different fruits.
You do that thing four times because you said that he can choose 4 fruits.
3 0
2 years ago
What is the place value for 5 in the number 12354897
Musya8 [376]
It would be in the ten thousands place.
8 0
2 years ago
What is the value of number 7 in 43,782
Makovka662 [10]
Ur 7 is in the hundreds place.....so the value would be 700
7 0
3 years ago
WILL GIVE BRAINIEST ANSWER
Natalka [10]

Answer:

1.

Step-by-step explanation:

8 0
3 years ago
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