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juin [17]
3 years ago
7

I need help on solving this problem

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
6 0
6x + 1 + x + 7 = 36
7x = 36 - 8
7x = 28
x = 4
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Please help with 7!!!!!!
BARSIC [14]

Answer: X - 10 = How many books Carla has

Step-by-step explanation: Carla has 10 FEWER books than Dominic and we will represent Dominic with X we don't know what X is and no matter what the number is Carla always has 10 less so X(Dominic's books) - 10(How many fewer books) = How many books Carla has.

4 0
2 years ago
I select two cards from a standard deck of 52 cards and observe the color of each (26 cards in the deck are red and 26 are black
lilavasa [31]

Answer:

B) S= {(red, red), (red, black), (black, red), (black, black)}

See explanation below.

Step-by-step explanation:

Previous concepts

The sample space of an experiment by definition "is the set of all possible outcomes or results of that experiment".

Solution to the problem

We know that we have 52 cards. 26 of them red and the other 26 black. And we are going to select two cards at random. We are interested on the correct sampling space. We analyze one by one the options given.

A) S= {red, black}

False. We can obtain two red cards for example or two black cards and these pairs are not included in the sample space provided.

B) S= {(red, red), (red, black), (black, red), (black, black)}, where, for example, (red, red) stands for the event "the first card is red and the second card is red."

True. The cardinality for the sample space is 2^2 = 4 possible outcomes. And as we can see here we have all the possible options included (red, red), (red, black), (black, red), (black, black). So then that's the correct option for the sampling space.

C) S= {(red, red), (red, black), (black, black)}, where, for example, (red, red) stands for the event "the first card is red and the second card is red."

False, the cardinality of the sample space is 2^2 = 4 and on this case the sample space provided have just 3 elements or possible outcomes. We don't have include the possibl option (black, red).

D) S= {0, 1, 2}.

False the sample space are related to red and black cards and we can't have numbers as the possible outcomes for the experiment.

E) All of the above.

False, option B is correct.  

4 0
3 years ago
Which quantity could go in the blank to make the equation true?
Leni [432]
You need to provide an equation for this to be solved
5 0
2 years ago
-11-2+3(4*6^2/(-9))]
Lelechka [254]

Answer:

use calculating

Step-by-step explanation:

get a calculator and type it

8 0
3 years ago
Read 2 more answers
Estimate the measure of
Lelu [443]

Answer:

148°

Step-by-step explanation:

it is very close to the 150 line and the option closest to 150 is 148

8 0
3 years ago
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