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Fofino [41]
3 years ago
9

Find the area of a trapezoid please help im so lost

Mathematics
1 answer:
Murrr4er [49]3 years ago
5 0
Here, trapezoid is composed of two triangles, and one rectangle.
So, Area of rectangle = 4 * 7 = 28 cm²
Area of a triangle = 1/2 * 3 * 7 = 21/2 = 10.5 cm²

Area of Trapezoid = area of rectangle + 2(area of triangle)
 = 28 + 2(10.5)
 = 28 + 21 = 49

In short, Your Answer would be 49 cm²

Hope this helps!
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The 50th term of an arithmetic sequence is 86 and the common difference is 2.  Find the first three terms of the sequence.
Nesterboy [21]
a_n=a_{n-1}+d=a_{n-2}+2d=\cdots=a_1+(n-1)d

which means

a_{50}=86=a_1+49\times2\implies a_1=-12

which in turn means the next two terms are a_2=-10 and a_3=-8.
6 0
3 years ago
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3 years ago
jonathan is traveling from new york city to wellington, new zealand. thr latitude of new york city is 40.67°, and the latitude o
Cloud [144]
Well a difference is the difference between them. difference means subtraction. So so a difference can be written as:
40.67 - (-41.29)

If you subtract a negative number you really add it. to make sense of this you could say 40.67 is 40.67 units away from zero in the positive direction. whereas -41.29 is 41.29 units away in the negative direction. since they go in opposite directions away from zero that means that thw length between them is extended and must then be added together. So
40.67 + 41.29 = 81.96
3 0
3 years ago
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Tell which equation you would choose to solve for one of the variables when solving the system by substitution. 2x+3y=5 4x-y=3
PtichkaEL [24]

i would solve 4x-y =3 for y because  the coefficient for y is 1

subtract 4x from each side

-y = -4x+3

divide by -1

y = 4x-3


8 0
3 years ago
7. You are saving $12 per week to purchase a new kayak. Prices start at $300 and
Dovator [93]

Answer:

5>67=87

Step-by-step explanation:

pls mark brainlyest

7 0
3 years ago
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