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Nadya [2.5K]
2 years ago
10

Rose writes down all of her math quiz scores. Her math scores are 98,78,84, and 96. What is the mean of her math quiz scores?

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
4 0

Answer:

89

Step-by-step explanation:

Hi, there to find the mean

you need add the numbers and count how many numbers are there and divide

In this case 98+78+84+96= 356

Now we will count

there are 4 numbers

\frac{356}{4}= 89

Your mean will be 89

If you ever have trouble with mean remember this

Mean\frac{SumofDataPoints}{NumberofDataPoints }

well it is supposed to be:

Sum of Data Points/Number of Data Points

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nadezda [96]

Answer:

4%is the answer you are looking for

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3 years ago
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Help me I want to understand this finnall part
allochka39001 [22]
6.7 x  -2.3
You would multiply this just like any other multiplication question. 
There is some work of course, but I'm not going to write it out here...
You are going to end up with -15.41, which is already rounded to the nearest hundredth.

Hope this helped :)
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Suppose someone tells you that she has a triangle with sides having lengths 2.2, 4.5, and 6.7. Is this a right triangle?
laila [671]
You can apply the Pythagorean theorem:
a^2 + b^2 = c^2
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6 0
2 years ago
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5 0
2 years ago
Okay! Who Needs Points? Give Your Explanation!
valentinak56 [21]
4x+<span><span>7x</span><span>(12)</span></span>+12=<span><span>1008−<span>4x</span></span>+<span>12

</span></span>88x+12=<span><span>−<span>4x</span></span>+<span>1020
</span></span><span><span><span><span>88x</span>+12</span>+<span>4x</span></span>=<span><span><span>−<span>4x</span></span>+1020</span>+<span>4x</span></span></span><span><span><span>92x</span>+12</span>=<span>1020
</span></span><span><span><span><span>92x</span>+12</span>−12</span>=<span>1020−12</span></span><span><span>92x</span>=<span>1008

</span></span><span><span>92x</span>92</span>‌=<span>‌<span>1008<span>92


</span></span></span>x=<span>‌<span>252/23</span></span>
7 0
2 years ago
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