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Sonja [21]
3 years ago
6

What is the midpoint between (-8, 5) and (2, -2)?

Mathematics
2 answers:
liraira [26]3 years ago
7 0
The midpoint is (-6,2)
antoniya [11.8K]3 years ago
3 0
the midpoint is (-3, 1.5)
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The area of a trapezoid is 18 square meters. One base is 3 meters long and the other is 6 meters long. Find the height of the tr
aleksley [76]

Answer:

height = 4 meters

h = 2A / ( a +  b )

Step-by-step explanation:

Let A represent the area of the trapezoid, h, the height a, the length of one base and b, the length of the other base

Area of a trapezoid, A = ( a + b)* h / 2

Now let's slot in the given values

A= 18 sq meters

a = 3 meters

b = 6 meters

we have;

18 = ( 3 + 6 ) * h /2

18 = 9 * h /2

Cross multiply

18*2 = 9h

36 = 9h

divide both sides by the coefficient of h (9)

4 = h

therefore, h = 4 meters

To solve for h without substituting

From A = ( a + b )* h /2

cross multiply

2*A = ( a + b )* h

divide both sides by ( a + b )

2A / ( a + b ) = h

therefore,

h = 2A / ( a +  b )

8 0
3 years ago
A small bag has a penny, a nickel, a dime, and a quarter. A child chooses 2 coins from the bag at random. What is the probabilit
Natalija [7]

Answer:

Once

Step-by-step explanation:

5 0
3 years ago
The distribution of the amount of money spent by first-time gamblers at a major casino in Las Vegas is approximately normal in s
Leya [2.2K]

Answer:

$720

Step-by-step explanation:

Given :

Mean, m = 600

Standard deviation, s = 120

Z = (x - m) / s

P(Z > x) = 84%

P(Z > x) = 0.84

Zscore corresponding to P(Z > x) = 0.84 will be -0.994

Hence,

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120 * -0.994 = x - 600

119.28 = x - 600

119.28 + 600 = x

719.28 = x

Hence,

X = $720

4 0
2 years ago
28% of what number is 63
Scrat [10]
We set up a proportion: 63/?= 28/100

Cross multiply: 28*?= 63*100
⇒ ?= 63*100/28= 225

28% of 225 is 63.
6 0
3 years ago
Read 2 more answers
You are on the 2nd floor, go down 3 floors, and back up 7 floors. On what floor are you on now? *
scZoUnD [109]

Answer:

6th floor

Step-by-step explanation:

2-3+7

-1+7

6

3 0
3 years ago
Read 2 more answers
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