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uysha [10]
4 years ago
7

4×5-2×6+4= need the order of operations

Mathematics
2 answers:
FinnZ [79.3K]4 years ago
7 0
Please excuse my dear Aunt Sally

parentheses exponents multiply divide add subtract

there are no parentheses and exponents so you move on to multiply first you multiply 4 X 5 which is 20. then you move on to 2 x 6 which is 12 + 4. do 20-12 which gives you 12 then you add for 12 + 4 is 16 say your final answer is 16
Vanyuwa [196]4 years ago
5 0
4×5-2×6+4
20-12+4
8+4
12
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Please help with this question
Klio2033 [76]

Answer:

cos(x=pi/4)= \frac{17}{26}*\sqrt{2}

Step-by-step explanation:

Remember that sin^{2}(x) +cos^{2}(x)=1

We need to find cos(x) from the above equation.

cos(x)= 12) / 13. This solution is positive since cos(x) in the range (2pi/3, 2pi) is positive.

Now, to obtain cos(x+pi/4) lets use the relation for cos(a+b)= cos(a)*cos(b)-sin(a)*sin(b)

where a=x, b =pi/4

Hence

cos(x+pi/4) =cos(x)*cos(pi/4) - sin(x)*sin(pi/4)

cos(x+pi/4) = \frac{\sqrt{2}}{2} * (cos(x)+5/13)

cos(x=pi/4)=\frac{\sqrt{2} }{2} *(\frac{12}{13}+\frac{5}{13})=\frac{17}{26} \sqrt{2}

7 0
3 years ago
What is the answer to: 5/2 - 4/3
Neporo4naja [7]

Answer:

7/6

Step-by-step explanation:

5/2-4/3

=(5*3-4*2)/2*3

=(15-8)/6

=7/6

8 0
3 years ago
If the policy premium on a 20 year $500,000 term life policy for a 50 year old male is increased to $972, what is the percent in
Llana [10]

Answer:8%

Step-by-step explanation:

i think its right

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3 years ago
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Hunter-Best [27]
C is true and most likely the correct answer
4 0
3 years ago
Read 2 more answers
In the triangle below, determine the measure of side a.
Lorico [155]
Use trigonometry 
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3 years ago
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