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rodikova [14]
3 years ago
15

Evaluate the expression for x = –3.

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0
-9-12+3=-168 the answer is a
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What is the surface area of this net?
balandron [24]

Answer:

It is 27.4

Step-by-step explanation:

First you need to find the area of the three rectangle.

Area=base*high

You do 4*2 for about 3 times

Which is 8 for 4*2

Then you multiply it 3 more time and get 24.

After that you add 24+1.7+1.7 and get 27.4

4 0
3 years ago
A spinner with seven equal-sized sections was used to play a game.
Amiraneli [1.4K]

Answer:

cool

Step-by-step explanation:

do you need the fractions

1/7,2/7,3/7,4/7,5/7,6/7,1 or 7/7

7 0
3 years ago
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Which of these numbers had exactly tow factors?
zvonat [6]

Answer:

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Step-by-step explanation:

4 0
2 years ago
What is the theoretical probability that a coin toss results in two heads showing?
Bond [772]
Since it's not mentioned I assume the Event of tossing a die twice are done simultaneously.

1- What is the theoretical probability that a coin toss results in two heads showing? I guess you mean: The theoretical probability of tossing 2 heads in 2 flips, if so P(1st Head) = 1/2 AND P(2nd Head) = 1/2, then the probability of getting 2 heads simultaneously is P(1st Head AND 2nd Head) = 1/2 x 1/2 = 1/4

2- What is the experimental probability that a coin toss results in two heads showing? In this case, I suggest that you toss a coin several times until 2 heads appear and then you calculate P: Assuming you get 2 heads (out of 10toss), the P(H) =2/10

3- What is the experimental probability that a coin toss results in two tails showing? Same logic as the previous one

4- What is the theoretical probability that a coin toss results in one head and one tail showing? If you get one Head, P(H) =1/2 and if you want a tail in the 2nd toss P(1/2). So P(one Head AND one tail) = 1/2 x 1/2 = 1/4

5- What is the experimental probability that a coin toss results in one head and one tail showing? Same as 3- or 4-

8 0
3 years ago
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You have some cash. You can either invest in a short-term bond that pays 4% or payoff some credit card debt at 9%. Which should
Flura [38]
I would invest in a short-term bond that pays 4% because you are gaining money and it seems like it would be the best choice out of the two.

7 0
3 years ago
Read 2 more answers
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