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Nina [5.8K]
4 years ago
9

How does the area of the trapezoid compare to the area of the triangle?

Mathematics
1 answer:
cluponka [151]4 years ago
7 0

Answer:

h/2

Step-by-step explanation:

A=(a+b) h/2

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2 years ago
Given that 3x+2y=5a+b and 4x-3y=a+7b, solve for y-x in terms of a and b.​
Eduardwww [97]

Answer:

y - x = - 2 b

Step-by-step explanation:

Given-

3 x + 2 y = 5 a + b...................(i)

4 x - 3 y = a + 7 b.....................(ii)

<em><u>Multiply by 3 and 2 in equation (i) & (ii) respectively-</u></em>

<em><u>Add equation (iii) &  (iv)-</u></em>

9 x + 6 y = 15 a + 3 a...................(iii)

<u>8 x - 6 y = 2 a + 14 b</u> ...................(iv)

17 x = 17 a + 17 b

<u>x = a + b</u>

Put x = a + b in equation (i)-

<em>2 y = 5 a + b - 3 a - 3 b</em>

<em>2 y = 2 a - 2 b</em>

<u>y = a - b </u>

<em>∴ y - x = a - b - ( a + b )</em>

<em>y - x = a - b - a - b</em>

y - x = - 2 b

3 0
3 years ago
Data collected from Cape Town shows that
Mademuasel [1]

Answer:

4%

Step-by-step explanation:

We know that 60% of drivers are over 30 years old and 5% of the 60% will be prosecuted for driving offence during the year. We know that 40% are 30 years and younger and 10% of that 40% will be prosecuted. The possibility of a driver 30 and younger being prosectued is:

=0.4\cdot{0.1}=0.04

Therefore the probability is 4%

3 0
3 years ago
Fake answers will be reported
AysviL [449]

Answer:

114,2

Step-by-step explanation:

the square = 8×8 = 64

the quarter circle=

\frac{1}{4}  \times ( {8}^{2}  \times 3.14) = 16 \times 3.14 = 50.24

64+50,24=114,24

6 0
3 years ago
Read 2 more answers
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