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Elena L [17]
3 years ago
8

[-14] + [5] please heeellllp

Mathematics
2 answers:
Firlakuza [10]3 years ago
5 0
 -14     14
+  5       - 5                 When you are adding a positive to a negative..remove the 
-------   -------                negative sign and subtract instead of adding then when you
                9  : -9             you get your final answer add the negative sign in front of it                                            again..........I hope this helps you :)
max2010maxim [7]3 years ago
5 0
Your answer would be -9 

Remember To ↓

Negative and Negative = Positive
Negative and Positive = Negative
Positive and Negative = Negative
 Positive and Positive = Positive 
 
Negatives is always goes to the left side on a timeline (downward) while Positives on the other hand,  always goes to the right side on a timelime  (upward)

Sometimes, we can change the symbols in integers 

For this equation we replaced the addition to a subtraction 

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7 0
3 years ago
What is the probability of picking an orange marble and flipping tails? ​ 1/7 1/14 2/14 8/14
vladimir2022 [97]

Answer:

Flipping tails would be 1/2 but how many marbles are there and how many orange ones are there?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Help im just doing this for my brother :C
cluponka [151]

Answer:

578

Step-by-step explanation:

118 + 560 = 678

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5 0
3 years ago
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What are the zeros of the quadratic function f(x) = 2x2 – 10x – 3?
Ipatiy [6.2K]

Answer:

x = \frac{ 5 \ + \ \sqrt{31}}{2} \ , \ x = \frac{ 5 \ - \ \sqrt{31}}{2}

Step-by-step explanation:

2x^2 - 10x - 3 = 0 \\\\a = 2 \ , b = - 10 \ , \ c =  - 3 \\\\x = \frac{-b^2\  \pm \ \sqrt{b^2 - 4ac}}{2a}\\\\x = \frac{10 \ \pm \sqrt{(-10)^2 - ( 4 \times 2 \times -3)} }{2 \times 2}\\\\x = \frac{10 \ \pm \sqrt{(100 - ( -24 )} }{4}\\\\x = \frac{10 \ \pm \sqrt{(100 + 24 } }{4}\\\\x = \frac{ 10 \ \pm \sqrt{124}}{4}\\\\x = \frac{ 10 \ \pm \sqrt{4 \times 31}}{4}\\\\x = \frac{ 10 \ \pm \sqrt{2^2 \times 31}}{4}\\\\x = \frac{ 10 \ \pm2 \sqrt{31}}{4}\\\\x = \frac{ 5 \ \pm\sqrt{31}}{2}\\\\

x = \frac{ 5 \ + \ \sqrt{31}}{2} \ , \ x = \frac{ 5 \ - \ \sqrt{31}}{2}

3 0
2 years ago
Honor Roll: Curfew 18 No Curfew 10 No Honor Roll: Curfew 2 No curfew 7
Rudik [331]

Among the students who did not make the honor roll. Then the relative frequency of having no curfew will be 7.

<h3>How to find the relative frequency?</h3>

Relative frequency is the ratio of the considered sub-group count to the total count. (so its frequency of the considered sub-group relative to the total frequency).

                                     Curfew                 No Curfew No

Honor Roll:                       18                                10

No Honor Roll:                 2                                  7

Among the students who did not make the honor roll.

Then the relative frequency of having no curfew will be 7.

Learn more about relative frequency here:

brainly.com/question/8358304

#SPJ1

8 0
2 years ago
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