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Irina18 [472]
3 years ago
11

In a coin puzzle, guantity refers to the

Mathematics
2 answers:
alukav5142 [94]3 years ago
6 0

Answer:

Number of coins.

Step-by-step explanation:

You mean quantity?

The amount of or number of items (in this case coins).

9966 [12]3 years ago
6 0
Balancing items -often coins- to determine which holds a different value, by using balance scales a limited number of times
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Which of the following sentences has both a compound subject and a compound object?
Stolb23 [73]
<span>C. Jane and Liza love books and music. Because Jane and Liza is a compound subject and books and music is a compound object
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4 0
4 years ago
Suppose that you are a city planner who obtains and sample of 20 randomly selected members of a mid-sized town in order to deter
Dmitry_Shevchenko [17]

Answer:

The critical value for the 95% confidence interval is z = 1.96.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96.

The critical value for the 95% confidence interval is z = 1.96.

5 0
3 years ago
What is the solution for this system of linear equations?<br> {23x+4=y<br> 4−2x=y
liubo4ka [24]
We can subsitute since
23x+4=y and
4-2x=y
therefor
23x+4=y=4-2x
so
23x+4=4-2x
minus 4 on both sides
23x=-2x
add 2x to both sides
25x=0
divide both sides by... uh oh
I guess x=0

sub
4-2(0)=y
4-0=y
4=y

the solution is (0,4)
3 0
4 years ago
7x−2(x+3) =? also you have to simplify your answer
12345 [234]
7x-2(x+3)
=7x-2x-6
=5x-6
6 0
3 years ago
Can anybody help with this? pretty important ​
alukav5142 [94]

Answer:

I'm pretty sure it's b or c but I think c

6 0
3 years ago
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