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Mathematics

2 answers:

erica [24]3 years ago

6 0

Answer:

C is correct

Step-by-step explanation:

The area of a parallelogram is the same formula as a rectangle: A=bh

So since b=12 and h=3, then A=12*3=36

So the area is 36 in^2

ZanzabumX [31]3 years ago

4 0

Answer:

Step-by-step explanation:

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P(A) = 7/20 P(B) = 7/20 P(A or B) = 49/80, P(A and B)= ?

OverLord2011 [107]

Answer:

P(A and B) = 7/80

Step-by-step explanation:

The given values of the probabilities of the different events are;

P(A) = 7/20

P(B) = 7/20

P(A or B) = 49/80

P(A and B) = Required

We have by probability theory for any event;

P(A or B) = P(A) + P(B) - P(A and B)

Therefore;

P(A and B) = P(A) + P(B) - P(A or B)

Plugging in the values gives;

P(A and B) = 7/20 + 7/20 - 49/80 = 7/80

∴ P(A and B) = 7/80

8 0

3 years ago

A lot of in the shape of a trapezoid has an area of 6550 square centimeters it's longer base measures 150 centimeters and the sh

inysia [295]

So the formula for the area of a trapezium is
area = (a + b)/2 * h
*a is the short side
* b is the long side
*h is the height
so let's plug in the values we already know: area, long base, short base. Here's how the formula looks now...
6550 = (150 + 85)/2 * h
*so, we need to find 'h'
use algebra to find it.
6550 = (235/2) * h
6550 = 117.5 * h
6550/117.5 = h
h = 55.74 (approx)

5 0

3 years ago

Use Euler’s method with two steps to estimate y(1) if y(x) is the solution to dy dx = x + y, y(0) = 1. Write your answer in the

tresset_1 [31]

Answer:

1.5

Step-by-step explanation:

The Euler's method is a common approximation method for the solution of differential equations. It can be used to obtain an approximate value of a given function. The Euler's formula is:

$y_{n} = y_{n-1} + hF(_{x_{n-1},y_{n-1}})$