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vlabodo [156]
3 years ago
15

Pls help help help help

Mathematics
2 answers:
aalyn [17]3 years ago
8 0

Answer:

7/6

Step-by-step explanation:

Transfer 1/3 to 2/6 and add it with 5/6

Elden [556K]3 years ago
3 0

Answer:

1  and 1/6

Step-by-step explanation:

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Solve.
STALIN [3.7K]

Answer:

60.

Step-by-step explanation:

2/5 equals 0.4.

150 divided by 10 equals 15. times 15 by 4 to get 60.

5 0
4 years ago
Read 2 more answers
-9. - 5 &lt; 17<br> OR<br> 13x + 25 &lt; -1
STatiana [176]

Step-by-step explanation:

  • First step you take 25 on the other side and when it goes on other side it change the sign to negative 13x< -1-25
  • second step you keep the sign of the bigger number then you add. The result will be 13x< -26
  • third step you divide both side by 13x÷-26
  • finally the answer will be -2

3 0
4 years ago
True or false (Picture provided)
Naya [18.7K]
<h2>Hello!</h2>

The answer is: True.

<h2>Why?</h2>

A counterexample is a way that we can prove that something is not true about a mathematical equation or expression, it's also considered as an exception to a rule.

So:

sec^{2}x-1=\frac{cosx}{cscx}\\\\tg^{2}x=\frac{cosx}{\frac{1}{sinx}}\\\\\frac{1-cos2x}{1+cos2x}=cosxsinx

Then, evaluating we have:

\frac{1-cos(2*45)}{1+cos(2*45)}=cos(45)*sin(45)\\\\\frac{1-0}{1+0}=\frac{\sqrt{2} }{2}*\frac{\sqrt{2}}{2}\\\\1=\frac{(\sqrt{2})^{2} }{4}\\\\1=\frac{2}{4}\\\\1=\frac{1}{2}

Hence, we can see that the equation is not fulfilled, so, 45° is a counterexample for sec^{2}x-1=\frac{cosx}{cscx} and the answer is true.

Have a nice day!

3 0
4 years ago
Help!! ________________
Tanya [424]

Answer:

NNNNNNNNNNNOOOOOOOOOOOOOOOOO i won't help you

Step-by-step explanation:

7 0
3 years ago
Please answer in a step by step explanation
Marizza181 [45]

Answer:

Step-by-step explanation:

its a

6 0
3 years ago
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