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nydimaria [60]
3 years ago
15

You can remember the three numbers to your combination lock, but you can't remember their order. How many different combinations

of the three numbers will you have to try, at most?
3
9
1
6
Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0

Answer:

3

Step-by-step explanation:

arlik [135]3 years ago
3 0

Answer:

120 combinations.

Step-by-step explanation:

try this

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-7x is less than or equal to -21
julsineya [31]
The answer is x=3
if you divide each by -7 to isolate x, it’s equal to positive three because 2 negatives make a positive
6 0
3 years ago
The ages of armadillos are normally distributed, with a mean of 14 years and a standard deviation of 1.2. Approximately what per
vovangra [49]

Answer:

Percentage of armadillos between 13 and 17 years = 79.052%f using Standard Normal Distribution Tables

Step-by-step explanation:

As we know from normal distribution: z(x) = (x - Mu)/SD

where x = targeted value; Mu = Mean of Normal Distribution; SD = Standard Deviation of Normal Distribution

Therefore using given data: Mu = 14, SD = 1.2 we have z(x) by using z(x) = (x - Mu)/SD as under:

Approach 1 using Standard Normal Distribution Table:

z for x=17: z(17) = (17-14)/1.2 gives us z(17) = 2.5

z for x=13: z(13) = (13-14)/1.2 gives us z(13) = -0.83

Afterwards using Normal Distribution Tables we find the probabilities as under:

P(17) using z(17) = 2.5 gives us P(17) = 99.379%

Similarly we have:

P(13) using z(13) = -0.83 gives us P(13) = 20.327%

Finally in order to find out the probability between 17 & 13 years we have:

Percentage of armadillos between 13 and 17 years = P(17) - P(13) = 99.379% - 20.327% = 79.052%

The standard normal distribution table is being attached for yours easiness.

Approach 2 using Excel or Google Sheets:

P(17) = norm.dist(17,14,1.2,1)

P(13) = norm.dist(13,14,1.2,1)

Percentage of armadillos between 13 and 17 years = { P(17) - P(13) } * 100

Download pdf
4 0
3 years ago
Read 2 more answers
Parallelogram ABCD is dilated to form parallelogram EFGH. Side AB is
denis23 [38]

Answer:

EH

Step-by-step explanation:

All you have to do is look at the order of the letters/segments and line them up. Like:

ABCD

EFGH

AB AND EF ARE PROPORTIONAL.

4 0
3 years ago
the parent function of the function g(x)=(x-h)^2+k is f(x)=x^2. the vertex of the function g(x) is located at (9,8). what are th
Lunna [17]

Answer:

<h2>h = 9, k = 8</h2>

Step-by-step explanation:

\text{The vertex form of an an equation of a quadratic function:}\\\\y=a(x-h)^2+k\\\\(h,\ k)-vertex\\\\\text{We have}\ g(x)=(x-h)^2+k,\ \text{and the vertex in}\ (9,\ 8).\\\\\text{Therefore}\ h=9\ \text{and}\ k=8.\ \text{substitute:}\\\\g(x)=(x-9)^2+8

8 0
3 years ago
HELP! Which shapes are decomposed correctly so that it could be used to to find its area? Assume side lengths are known.
nasty-shy [4]

Answer:

Step-by-step explanation:

c

5 0
3 years ago
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