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Harlamova29_29 [7]
3 years ago
15

Assuming a 2.5% discount will apply , what is the net price of an invoice for $1,275.55 ?a) $1,136.66 b) $1,243.66 c)$1,250.00 d

)$12,436.61
Mathematics
2 answers:
kap26 [50]3 years ago
7 0
B is the correct answer for this !!
meriva3 years ago
3 0
Firstly you need to do 1275.55 / 100 = 12.76.
12.76 x 2.5 = 31.90.
1275.55 - 31.90 = 1243.65.

Hope this helps.
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sam gets 15 vacation days each year. By june 1st, sam had used 6 of his vacation days. what fraction on the year's total did he
Mashcka [7]

Answer:

Step-by-step explanation: put your fraction 6 over 15

8 0
3 years ago
Question 16 (Essay Worth 7 points)<br><br> Verify the identity.<br><br> tan (x + π/2) = -cot x
Rus_ich [418]

Step-by-step explanation:

We know that tan=sin/cos, so tan(x+π/2)=

\frac{sin(x+pi/2)}{cos(x+pi/2)}

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),

so our equation is then

\frac{sin(x)cos(\pi/2)+cos(x)sin(\pi/2)}{cos(x+\pi/2)}  = \frac{cos(x)}{cos(x+\pi/2) }

Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then

\frac{cos(x)}{cos(x)cos(\pi/2)-sin(x)sin(\pi/2)} = \frac{cos(x)}{-sin(x)} = -cot(x)

6 0
3 years ago
Explain the difference between equilateral and equiangular :) ​
mixas84 [53]

An equilateral polygon has congruent sides, like a rhombus.

An equiangular polygon has congruent interior angles, like a rectangle.

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4 0
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*20 Pts* What are two fractions with different denominators that each have the LCD of 36?
kkurt [141]
You can use the fractions 3/18 and 5/12.

Hope this helps :)
6 0
3 years ago
Read 2 more answers
The expression sin 50 cos 40 + cos 50 sin 40 is equivalent to
enyata [817]
Sin (a+b) = sin a. cos b + cos a. sin b

a= 50° and b=40°, then

sin(50+40) = sin 50° . cos 40° + cos 50° . sin 40°

sin(50+40) = sin 90° = 1 and

sin 50° . cos 40° + cos 50° . sin 40° = 1
8 0
3 years ago
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