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Alex787 [66]
2 years ago
9

Whats the area of a circular lamp base that is 20cm in diameter?​

Mathematics
1 answer:
Goryan [66]2 years ago
3 0

Answer:

314.16cm²

Step-by-step explanation:

please mark me as brainliest.hope this helps

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A suitcase measures 24 inches long and the dialogue is 30 inches long. How much material is needed to cover one side of the suit
borishaifa [10]

Answer:

432 in.^2

Step-by-step explanation:

The side of the suitcase is a rectangle. One length is 24 inches. The diagonal of the rectangle is 30 inches long. The diagonal is a hypotenuse of a right triangle. The length is a leg. We need to find the other leg.

We use the Pythagorean theorem,

a^2 + b^2 = c^2

(24 in.)^2 + b^2 = (30 in.)^2

576 in.^2 + b^2 = 900 in.^2

b^2 = 324 in.^2

b = sqrt(324 in^2)

b = 18 in

area of rectangle = length * width

A = 24 in. * 18 in.

A = 432 in.^2

6 0
3 years ago
Matrix A has order 4 x 8, Matrix B has order 4 x 16.
Scorpion4ik [409]
Matrix A order is 4x8.
Matrix B order is 4x16.
AB cannot result because an (m x n) can only be multiplied by an (n x p) matrix and orders don't match the requirements.
BA has the same negative result.
3 0
3 years ago
Helpppppppppppppppppppppppppppppp
ziro4ka [17]
Ha. That looks alot like i-ready. (i-ready sucks butt.)

But the horror that is i-ready aside, your answer is the third one : The proportion of grandparents that feel safe entering their account information online is 0.32.

32% converted to a decimal is 0.32, and 68% converted to a decimal is 0.68. That would mean that the proportion for grandparents that feel safe doing so is 0.32, and the number of grandparents that don't feel safe doing so is 0.68.
8 0
3 years ago
Graphing Coordinates
lukranit [14]

Answer:

(-10,0)(-5,0)(-10,-10)(-10,-5)

Step-by-step explanation:

If we count each box as one unit then we just count and if you left or down it is negative

5 0
2 years ago
Which expressions are equivalent to 10a - 25 + 5b
Liono4ka [1.6K]

Answer:Move −25-25.

10a+5b−25

Step-by-step explanation:

4 0
3 years ago
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