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HACTEHA [7]
3 years ago
11

If this necklace is $14.95 how much is 3 more added

Mathematics
1 answer:
FromTheMoon [43]3 years ago
4 0

Answer:

14.95*3=what

Step-by-step explanation:

that's your answer

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Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 7.8 parts
Alexxandr [17]

Answer:

The value of the test statistic is t = 2.67

Step-by-step explanation:

The null hypothesis is:

H_{0} = 7.8

The alternate hypotesis is:

H_{1} \neq 7.8

Our test statistic is:

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

In this problem, we have that:

X = 8.2, \mu = 7.8, \sigma = 0.6, n = 16

Then

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

t = \frac{8.2 - 7.8}{\frac{0.6}{\sqrt{16}}}

t = 2.67

The value of the test statistic is t = 2.67

5 0
3 years ago
L = $20 r = 4% t = 2 years
Annette [7]
I'm guessing this is a question about interest rates? If you have $20 that increases by 4% in one year, you need to multiply 20 by 1.04. This gets you $20.8.

If you are talking about compound interest, we will take this number and multiply it again by 1.04 for the second year. 20.8 x 1.04 = $21.632. 

If it is instead simple interest, we will simply add another .8 dollars for each year, instead of getting 4% interest compounded every year onto the new value. This gets you $21.6.
7 0
3 years ago
Opposite angles in a parallelogram are _____. A. acute B. supplementary C. parallel D. convex E. congruent
maria [59]
Choice E. The answer is congruent.
7 0
3 years ago
Read 2 more answers
Which equation does the graph of the systems of equations solve? 2 linear graphs. They intersect at 1,4
Pepsi [2]

Answer:

See below.

Step-by-step explanation:

There is an infinite n umber of systems of equations that has (1, 4) as its solution. Are you given choices? Try x = 1 and y = 4 in each equation of the choices. The set of two equations that are true when those values of x and y are used is the answer.

6 0
3 years ago
If 66 oranges cost $15, how many oranges can be purchased for $5?
Rasek [7]

Answer:

22 oranges

Step-by-step explanation:

$15 --- 66 oranges

$5 --- \frac{5}{15} × 66 oranges = 22 oranges

7 0
3 years ago
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