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3 years ago

Can someone answer this please

Mathematics

2 answers:

8090 [49]3 years ago

7 0

Answer:

90 mm^2

Step-by-step explanation:

Givens

b1 = 5 mm

b2 = 13 mm

h = 10 mm

Area = ?

Formula

Area = (b1 + b2)*h / 2

Solution

Area = (5 + 13)*10/2

Area = 18 * 10 / 2

Area = 180/2

Area = 90

shtirl [24]3 years ago

4 0

I think it is 90mm. Calculate the area as a rectangle and a square, then add.

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11 less than twice a number is 5

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Answer:

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Step-by-step explanation:

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Assessment started: undefined. Item 1 A rectangle is 12 feet long and 34 feet wide. What is the area of the rectangle? Enter you

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2 years ago

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s344n2d4d5 [400]

Step-by-step explanation:

$diameter \: = \sqrt{ { 24}^{2} + {7}^{2} } = 25$

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4 0

3 years ago

If Mary and Tom put their money together they have £36. If Mary's money were halved and Tom's money doubled they would have £42.

AysviL [449]

Answer:

Mary has £20 and Tom has £16

Step-by-step explanation:

Represent their current respective money amounts by m and t.

Then m + t = £36, but also m/2 + 2t = £42.

Multiplying the second equation by 2 removes the fraction:

m + 4t = £84

and multiplying this by -1 results in

-m - 4t = -£84, which can now be added to the first equation m + t = £36:

-m - 4t = -£84

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-3t = -£48

We have successfully eliminated m. To solve this last result for t, divide both sides by -3, obtaining t = £16

Since m + t = £36 and t = £16, m must be £20.

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4 years ago