Type the correct answer in the box. Use numerals instead of words.

Mathematics

1 answer:

Nitella [24]3 years ago

4 0

Answer:

35cm²

Step-by-step explanation:

Area = trapezium + triangle

Trapezium = ½×(8+4)×2 = 12

Triangle = ½×8×5.75 = 23

Area = 12+23 = 35 cm²

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7nadin3 [17]

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7 0

3 years ago

Select the equation that contains the points, (−6, 5 2 ) (-6, 52)

Molodets [167]

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3 years ago

What is a1? what is d? what’s the equation? what is a7? what is a59?

Zina [86]

Answer:

a1 = 2

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an = 2 + (n - 1) * 3

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Steps:

a1 is the initial value (when n equals 1), and since there are 2 crosses, it is 2.

d is the added value to each amount of crosses. And since the second amount is 5 and the third amount is 8, we can determine that each n is adding 3 crosses, therefore making d = 3.

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a7 = 2 + (7 - 1) * 3

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8 0

3 years ago

Read 2 more answers

Find the value of x. Write your answer in simplest form.

Brilliant_brown [7]

Answer:

by using Pythagoras theorm

${x}^{2} + {x}^{2} = {(9 \sqrt{2)} }^{2} \\ 2 {x}^{2} = 81 \times 2 \\ 2 {x}^{2} = 162 \\ {x}^{2} = 81 \\ x = \sqrt{81} \\ x = 9$