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N76 [4]
2 years ago
15

Jeremy bought a new pair of jeans. The jeans

Mathematics
2 answers:
Svet_ta [14]2 years ago
7 0

Answer:

28.80

Step-by-step explanation:

10% of $45 = 0.10 × 45 = $4.50

$45-$4.50=$40.50  

90% of $45 = 0.90 × 45 = $40.50

ivanzaharov [21]2 years ago
6 0
Pogba Varane Pogba est une bonne idée
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Suppose that only 65% of all drivers in a certain state wear a seat belt. a random sample of 80 drivers is selected. what is the
jonny [76]

Answer:

Pr(X >42) = Pr( Z > -2.344)

                = Pr( Z< 2.344) = 0.9905

Step-by-step explanation:

The scenario presented can be modeled by a binomial model;

The probability of success is, p = 0.65

There are n = 80 independent trials

Let X denote the number of drivers that wear a seat belt, then we are to find the probability that X is greater than 42;

Pr(X > 42)

In this case we can use the normal approximation to the binomial model;

mu = n*p = 80(0.65) = 52

sigma^2 = n*p*(1-p) = 18.2

Pr(X >42) = Pr( Z > -2.344)

                = Pr( Z< 2.344) = 0.9905

7 0
3 years ago
What's is 17% of 800. ?
stepladder [879]
You need to change 17% to decimal by moving the decimal to the right by 2x so you will get .17*800=136
5 0
3 years ago
Read 2 more answers
Can I get some help we just started this today
Alja [10]

Answer:

-2

Step-by-step explanation:

The slope of a line tells us how y responds to a change in x.  If the slope is 2, it means that for every time x increases by 1, will will go up by 2.

We can calculate slope from a line, or with two given points.  I used points (0,4) and (3,-2).  Slope is the "Rise/Run."

The Rise:  (-2 - 4) = -6

The Run:  (3 - 0) = 3

Slope = Rise/Run = (-6/3) = -2

6 0
2 years ago
Distance between the two points -6,8 and -1,-4
Tresset [83]

Answer:

-3,2

Step-by-step explanation:

8 0
3 years ago
Which is not a way to name a line, (XYZ)?
lana66690 [7]

Answer:

YZX, YXZ, ZXY, XZY

Step-by-step explanation:

6 0
3 years ago
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