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NNADVOKAT [17]
3 years ago
13

A pet store has 6 cats 6,5,9,11,11,10 find the mean weight of these cats

Mathematics
1 answer:
aliina [53]3 years ago
4 0

Answer:

8.7

Step-by-step explanation:

To find the mean first you have to add up all the weight of the cats which is:6+5+9+11+11+10= 52

After, you have to divide the total weight by the number of cats there are

which is: 52/ 6=8.66666666667

Since, this is a really long number you would normally round the number to the nearest tenth which is 8.7

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Select all the sets of numbers that are possible values for x in the inequality, x>- 2.
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{-1, 0,5}

Step-by-step explanation:

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One-Half the difference of a number and 15
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Answer:

x - 15 ÷ 2

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Since it wants you to find the half of your answer after you find the difference, be sure to leave the two at the end of your equation. With that said, let's move into finding out what "the difference of a number and fifteen is". Whenever they tell you 'a number', it means they want you to put a variable, such as x, since you do not know the number and it could be any number. Now, the "difference" of something usually means...you guessed it, subtraction! Now that you've decoded your equation, you now know it means that x - 15 is the first part, and you can now put the one half right after it.

If this is confusing, I can explain further. :D

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3 years ago
Find the measure of each angle using the triangle sum theorem and exterior angle theorem
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(please open my photo for reference as you read, I am a visual learner/explainer so it will make the most sense that way)

So the first thing you want to do is look at the exterior angle 130°. A straight line is 180°, and every Triangle's angular sum is 180°. How I think of it is that every straight line has a mini protractor on either side. It makes it a bit easier to understand.

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You now know that two of the angles are 50°.

You now have two of the measurements for the triangle farthest to the left.

75° and 50°

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Now that you have all the measurements for the first triangle, let's move onto the next one.

With two measurements for the second triangle, all you need to do is find their sum and subtract that from 180 and you will have the third measurement!

50 + 60 = 110

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Finally, for the last triangle, you already have two of the measurements 60° and 85°.


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Sorry if this explanation is a bit messy, it's hard to describe certain things without a letter or some kind of name to differentiate between them verbally.


I hope this helps! <3

3 0
3 years ago
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