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yuradex [85]
3 years ago
10

What is the area of the trapozoid? pls help :)

Mathematics
1 answer:
puteri [66]3 years ago
3 0

Answer:

13/2 or 6 1/5 or 6.5

Step-by-step explanation:

\frac{7+6}{2}x 1

13/2 x 1

6.5x1

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Evaluate the determinant for the following matrix: 1 4 4 5 2 2 1 5 5
Elina [12.6K]
A Laplace expansion along the first row gives

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7 0
3 years ago
The sum of 3x^2 -8x -2 and 4x -2 is?
Lady_Fox [76]

Answer:

3x^2−4x−4

Step-by-step explanation:

3x^2−8x−2+4x−2

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3x^2+−8x+−2+4x+−2

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7 0
3 years ago
Read 2 more answers
In a right-angled triangle, the hypotenuse is 113 and a leg is 112.
melomori [17]

Answer: 15

Step-by-step explanation: Use the formula: a^{2}+b^{2}=c^{2}

Remember c^{2} should always be the hypotenuse or the longest side.

112^{2}+b^{2}=113^{2} ---> evaluate the exponents

12544+b^{2}=12769 ----> subtract 12544 to the other side

b^{2}=225 ---> take the square root of both sides

b=15

7 0
3 years ago
The pair of figures to the right are similar. The area of one figure is given. Find the area of the other figure to the nearest
allsm [11]

9514 1404 393

Answer:

  smaller triangle area = 73 1/3 ft^2

Step-by-step explanation:

The smaller triangle has a ratio of linear dimensions of 10/15 = 2/3 of that of the larger triangle. The area ratio is the square of this, so the area of the smaller triangle is ...

  (165 ft^2)(2/3)^2 = (165 ft^2)(4/9) = 220/3 ft^2 = 73 1/3 ft^2

3 0
3 years ago
Find the missing length.
Mandarinka [93]
The answer is 6 because 14+6=20

Hope this helps
4 0
3 years ago
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