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Brums [2.3K]
3 years ago
13

Please answer as soon as possible.

Mathematics
1 answer:
Sholpan [36]3 years ago
8 0
A: $101.49
B: $109.39
C: He should apply the discount on the digital camera because it saves him more money.

Is the coupon being applied to the overall price or on a specific item?
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Verify identity list steps. Cot(t)(1-cos^2(t))=cos(t)sin(t)
storchak [24]
Remember: We have to work from either the LHS or the RHS.
(Left hand side or the Right hand side)

You should already know this:

\huge{Cot(t) = \frac{1}{tan(t)} = \frac{1}{\frac{sin(t)}{cos(t)}} = 1\div \frac{sin(t)}{cos(t)} = 1\times \frac{cos(t)}{sin(t)}=\boxed{\frac{cos(t)}{sin(t)}}


You should also know this:

sin^2(t) + cos^2(t) = 1\\\\\boxed{sin^2(t)} = 1 - cos^2(t)

So plugging in both of those into our identity, we get:

\frac{cos(t)}{sin(t)}\cdot sin^2(t) = cos(t)\cdot sin(t)

Simplify the denominator on the LHS (Left Hand Side)

We get:

cos(t) \cdot sin(t) = cos(t) \cdot sin(t)

LHS = RHS

Therefore, identity is verified.
4 0
3 years ago
Wesley wants to have at least $50 to spend each day of his 7-day vacation. He plans to save $30 each month for 12 months. Which
aleksklad [387]

Answer:

i cant choose any that applies to this question because there is no picture added to it and there are no choices to choose from. If i were to solve it though, it would be; yes, he will save enough money for his vacation.

Step-by-step explanation:

I know he would have enough--and in this case more than enough, because since he's planning to save $30 for a whole year just for $50, when he could simply make $60--which is in fact more than needed for his goal-- in just 2 months. If he were to stick with his plan though, he'd make $360. I got that by multiplying 30 by 12.

3 0
3 years ago
The quotient of a number and -9 increased by 10 is 11.
andrezito [222]
So the division of a number and -9 or
x/-9

+10=11 or

(x/-9)+10=11
subtract 10 from both sides
x/-9=1
multiply both sides by -9
x=-9
3 0
3 years ago
Read 2 more answers
PLEASE SOLVE THIS FOR ME sorry if it’s blurry :(
daser333 [38]

Answer:

A=500

Step-by-step explanation:

for mylar for polygon Area =ap/2

where a =apathem,p =perimeter

A=10*100/2

1000/2

500=a

the perimeter is the square of all the sides of the given polygon =10 sides =100

6 0
3 years ago
I need help asap
GenaCL600 [577]

pato apni sa pato bata is sa dak na sa kuch bi nahi mila ga

5 0
3 years ago
Read 2 more answers
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