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NeX [460]
4 years ago
9

How would you simplify SinxCosx (tanx + cotx)

Mathematics
1 answer:
eduard4 years ago
3 0

Answer:

1

Step-by-step explanation:

sin x cos x(tan x+cot x)

=sin x cos x[(sin x)/(cos x)+(cos x)/(sin x)]

=sin x cos x [(sin²x+cos ²x)/(sin x cos x)]

=sin x cos x(1/(sin x cos x))

=1

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Assume the monthly interest rate is 1/12 of the annual interest rate . you maintain an average balance of $450 on your credit ca
masya89 [10]

Answer:

The monthly interest payment would be $ 9

Step-by-step explanation:

Given,

The average balance of the credit card = $ 450,

Annual rate of interest = 24%,

∵ Monthly interest rate is 1/12 of the annual interest rate,

Thus, the monthly interest rate = \frac{1}{12}\text{ of }24\%

=2\%

Hence, the monthly interest payment = 2% of credit card balance

= 2% of 450

=\frac{2\times 450}{100}

=\frac{90}{10}

= $ 9

3 0
4 years ago
Given side lengths 4 units, 8 units, and x units, determine the range in which x must lie in order for a triangle to exist.
kvasek [131]

Answer:

C) 4 < x < 12

5 0
3 years ago
Evaluate the expression when x=-4.<br> x2 +7x-6
ss7ja [257]
•(-4)^2 + 7(-4) -6
• -18
7 0
3 years ago
Read 2 more answers
Round 389,935 to the nearest hundred thousand ​
Ivenika [448]

Answer:

400 thousand or 400,000

Step-by-step explanation:

just round 389 to the nearest hundred ------ 400

3 0
3 years ago
Read 2 more answers
Graph the system of equations on your graph paper to answer the question.
scZoUnD [109]
<span>y=x-4
y=-x+6 
---------------------
Substitute x - 4 for y in </span>y=-x+6 
x-4=-x+6<span>
--------------------------------
Add X on each side
</span><span>x-4+x</span>=-<span>x+6+x
</span>2x - 4 = 6
--------------------------------------
Add 4 on each side
<span>2x-4+4</span>=<span>6+4
</span>2x = 10
------------------------------------------------
Divide by 2 on each side
2x ÷ 2 = 10 ÷ 2
x = 5
Now we have X
================================================================
To find Y we substitute 5 for x in y=<span>x-<span>4
</span></span>y = 5 - 4
y = 1
-----------------------------------------------------
Your answers are Y = 1 and X = 5

8 0
3 years ago
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