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scZoUnD [109]
3 years ago
14

The original price of a new pair of shoes is $40. If there is a 20% discount on all shoes, how much is deducted from the origina

l price?
Mathematics
2 answers:
Allushta [10]3 years ago
8 0
8 dollars are deducted
Leokris [45]3 years ago
4 0

Answer:

$8

Step-by-step explanation:

20% (= 0.20) is deducted  from $40.40 * 0.20 = $8.

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Write an equation of a line with the given slope and y intercept m =1/4,b=-3/4
leva [86]

Answer: y=1/4x-3/4

Step-by-step explanation:

We have our equation of a line formula y=mx+b

Then we substitute the given and get y=1/4x-3/4

3 0
3 years ago
The length of a vegetable garden is 4 feet longer than its width. If the area of the garden is 140 square feet, find its dimensi
Lena [83]
Length is 14 and the width is 10
4 0
2 years ago
What is the equation in point-slope form that represents the line going through (1,3) and (4,6)
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We have the slope m = (6-3)/(4-1) = 3/3 = 1;
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3 0
3 years ago
A recent survey found that 70% of all adults over 50 wear
lubasha [3.4K]

Answer:

There is an 84.97% probability that at least six wear glasses.

Step-by-step explanation:

For each adult over 50, there are only two possible outcomes. Either they wear glasses, or they do not. This means that we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

In this problem we have that:

n = 10, p = 0.7

What is the probability that at least six wear glasses?

P(X \geq 6) = P(X = 6) + `P(X = 7) + P(X = 8) + P(X = 9) + P(X = 10) = 0.8497

There is an 84.97% probability that at least six wear glasses.

5 0
3 years ago
Find the volume of the rectangular prism below. Answer as a mixed number not a decimal.
dangina [55]

Answer:

242 2/3in^3

Step-by-step explanation:

The formula is l*w*h. So if you multiply all of them you'll get  242 2/3.

4 0
3 years ago
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