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Natalija [7]
3 years ago
7

Heeeeeeeeeeeeeeeeeeeeeeeeeeeeelp! PLZ Thanks!

Mathematics
2 answers:
lara [203]3 years ago
6 0

Answer:

3.67 or 3.7

Step-by-step explanation:

1+3+1+4+3+6+7+3+5/9

kicyunya [14]3 years ago
4 0
3.67!

Explanation: Add all the numbers up and then divided by the number of how many numbers are there! So 1+3+1+4+3+6+7+3+5! Which is 33! Then since there are 9 numbers total, divide that 9 from 33! And that’s your mean! :)
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What is this question for math 2/12+1/3
Alexxandr [17]

Answer: 1/2

<u>Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD</u>

(2/12*1/1) + (1/3+4/4)

<u>Complete the multiplication and the equation becomes </u>

2/12+4/12

<u>The two fractions now have like denominators so you can add the numerators.</u>

2+4/12 = 6/12

<u>This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor </u>

6/12 ÷ 6/6 = 1/2

<u>Therefore: </u>

2/12 + 1/3 = 1/2

3 0
3 years ago
Read 2 more answers
PLEASE HELP! WILL MARK BRAINLIEST IF U ANSWER CORRECTLY! IF WRONG U WONT GET IT
Lubov Fominskaja [6]

Answer:

144yd^2

Step-by-step explanation:

Did this before

8 0
3 years ago
What is the value if x ?
dexar [7]

Answer:

x=3

Step-by-step explanation:

We have to use the fact that all angles of a triangle add up to 180 and two supplementary angles add up to 180.

First,QRS forms a line, so angle QRT and angle TRS add up to 180 or, if we call angle TRS y for the sake of having it as a variable, 45x+y=180 or y=180-45x

Now we have all three angles of the triangle, and we know all three add up to 180, so startign with our newly found angle, (180-45x)+(25x)+(57+x)=180

180-45x+25x+57+x=180

237 - 19x = 180

57 = 19x

x=3

Let me know if you need any further explanation.  

7 0
3 years ago
Using the Principle of Mathematical Induction, prove that . n ^2 − n is even for n ≥ 1​
Tamiku [17]

Base case: if <em>n</em> = 1, then

1² - 1 = 0

which is even.

Induction hypothesis: assume the statement is true for <em>n</em> = <em>k</em>, namely that <em>k</em> ² - <em>k</em> is even. This means that <em>k</em> ² - <em>k</em> = 2<em>m</em> for some integer <em>m</em>.

Induction step: show that the assumption implies (<em>k</em> + 1)² - (<em>k</em> + 1) is also even. We have

(<em>k</em> + 1)² - (<em>k</em> + 1) = <em>k</em> ² + 2<em>k</em> + 1 - <em>k</em> - 1

… = (<em>k</em> ² - <em>k</em>) + 2<em>k</em>

… = 2<em>m</em> + 2<em>k</em>

… = 2 (<em>m</em> + <em>k</em>)

which is clearly even. QED

8 0
3 years ago
2 + 0.25x<br><br> What does the second term of the expression represent?
LekaFEV [45]
Is there any more to the question than this?
3 0
3 years ago
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