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jonny [76]
3 years ago
14

A cake-baking kit says:

Mathematics
1 answer:
olganol [36]3 years ago
4 0
What’s the rest of the qurstion?
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an ice fisherman wishes to cut a hole in the ice which has a diameter of 30 cm. How far around must he cut to create this hole?
olga55 [171]

Given:

Diameter of the hole = 30 cm

To find:

The area of the hole.

Solution:

The radius of a circle is always half of the diameter. It is given that the diameter of the hole is 30 cm. So, the radius of the hole is:

r=\dfrac{30}{2}

r=15

Area of a circle is:

A=\pi r^2

Putting \pi = 3.14 and r=15 in the above formula, we get

A=(3.14)(15)^2

A=(3.14)(225)

A=706.5

Therefore, the area of the hold is 706.5 square cm.

4 0
3 years ago
X
jolli1 [7]

Answer:

f(x)=x(x- a) (x - b) 2 that is the answer good luck

3 0
3 years ago
Read 2 more answers
What is a parallegram ?
Mrrafil [7]
A quadrilatetal with two different pairs of equal and parallel sides.
5 0
3 years ago
Select 3 ratios that are equivalent to 8:20​
guapka [62]

Answer:

4:10, 2:5 16:40

Step-by-step explanation:

just multiply or divide

5 0
3 years ago
Qu2.05 ML<br> Solve for x: 5|2x - 2] + 8 = 18.
Luda [366]

Answer:

512x−2+8=18

Step 1: Simplify both sides of the equation.

512x−2+8=18

512x+−2+8=18

(512x)+(−2+8)=18(Combine Like Terms)

512x+6=18

512x+6=18

Step 2: Subtract 6 from both sides.

512x+6−6=18−6

512x=12

Step 3: Divide both sides by 512.

512x512=12/512

x= 3/128

Answer:

x=3/128

8 0
3 years ago
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