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Roman55 [17]
3 years ago
10

Jessica spent 1/4 of her money on a dress. What percentage of her money did she spent on the dress?

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

She spent about 25% of the money on a dress.

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A bird is flying 10 feet above sea level, while a shark swims 15ft below sea level. How far is the bird from the shark?
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25 ft

Step-by-step explanation:

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If a varies directly as b and a=3 when b=12, what is the value of a when b=18?
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Find an equation for the line perpendicular to y=-1/2x+4 and goes through the point (-1,10)
Artemon [7]

The slope of the perpendicular line will be 2. Remember, a perpendicular slope is the negative reciprocal.

So, we can make the equation y=2x+b. We need to find b, and put b in.

To find b, put in the numbers of y and x.

10=2(-1)+b

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3 years ago
Suppose that 80% of all registered California voters favor banning the release of information from exit polls in presidential el
natulia [17]

Answer:

a. Mean = 20

Sd = 4

b. Probability of X = 20 = 0.1960

Step-by-step explanation:

we have

n = 25

p = 80% = 0.8

mean = np

= 0.8 * 25

= 20

standard deviation = √np(1-p)

= √25*0.8(1-0.8)

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= 2

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6 0
3 years ago
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