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Ierofanga [76]
3 years ago
11

Whats this answer please ?

Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0

Answer:

  • area of rectangle: 48 cm²
  • area of triangle: 18 cm²
  • shaded area: 30 cm²

Step-by-step explanation:

The area of a rectangle is given by the product of its length and width.

... A = LW

For your rectangle, the overall area is ...

... A = (12 cm)(4 cm) = 48 cm² . . . . rectangle area

___

The area of a triangle is half the product of its base and height. Your triangle is shown with a base of 9 cm, and its height is the height of the rectangle, 4 cm. The triangle area is ...

... A = (1/2)bh

... A = (1/2)(9 cm)(4 cm) = 18 cm² . . . . triangle area

___

The shaded area of the figure is the difference between the rectangle area and the triangle area. (The triangle is fully included in the rectangle, but is not shaded.) That difference is ...

... shaded area = rectangle area - triangle area

... shaded area = 48 cm² - 18 cm² = 30 cm² . . . . shaded area

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Find S10 for -1 + -7 + -13 + -19
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now we are going to find the 10th term
an = a1 + (n-1)*d <== formula for finding any term in arithmetic series
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now we sub
a10 = -1 + (10 -1) * -6
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now we will find the sum
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so the sum of the first 10 numbers is -280

4 0
3 years ago
Muffins are packed and sold in boxes of 4. How many boxes are needed to pack 260 muffins?
Volgvan

Answer:

65 boxes

Step-by-step explanation:

Im not sure how to explain other then say all you do is divide 260 and 4

I hope this helped!

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THE ANSWER IS 6

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3 years ago
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