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Elina [12.6K]
2 years ago
6

v A t-shirt originally costs $18.50. It is on sale for 10% off. What is the sale price of the t-shirt?

Mathematics
1 answer:
STALIN [3.7K]2 years ago
4 0

Answer:

16.65

Step-by-step explanation:

10% of 18.50 is 1.85, so you just subtract that.

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Zar has 3 pizzas cut into 9 slices. Imani has 3 times more slices than Zar. How many more slices does Imani has more then Zar
maks197457 [2]
3x+x=27
4x=27
X=8
Inman ate 3 times 8=24
Zar ate 8
24-8=16. Inman ate 16 more slices
8 0
3 years ago
G(-2)=-2(-2)2 + 3(-2)-5<br> g(-2) = -2(4) – 6-5<br> g(-2) =<br> g(0) =<br> 1<br> g(3) =
ziro4ka [17]

Answer:

g(-2)= -19

g(0)= -5

g(3)= -14

Step-by-step explanation:

5 0
3 years ago
Which expression is equivalent to sec^2x − 1? a. cot2x b. tan2x c. csc2x d. cos2x
Nesterboy [21]
Sec^2 x - 1 = tan^2x

Proof:
Sec^2x = 1+ tan^2x

1/cos^2x = 1 + sin^2x/cos^2x

<span>1/cos^2x - sin^2x/cos^2x = 1
</span>Using common denominator:
(1-sin^2x)/cos^2x = 1
sin^2x + cos^2 x = 1
cos^2 x = 1 - sin^2x
Substituting : 
cos^2x/<span>cos^2x = 1
</span>1 = 1
Left hand side = right hand side 
4 0
3 years ago
Read 2 more answers
What is the surface area of the pyramid whose net is shown here?
Lunna [17]
Urface area  = area of the square + area of the 4 triangles

= 6*6 + 4(1/2*6*6)  

= 36 + 4 * 18  = 108 sq cms
4 0
3 years ago
How many DVDs. A small independent movie company determines the profit P for producing n DVD copies of a recent release is P = −
Softa [21]

The company should produce "85" DVD's to maximize the profit.

According to the question,

The profit P for producing n DVD copies are

  • P=-0.02n^2+3.4n -16

Let,

  • The number of units be "n".

Now,

To find the minimize profit,

→ P'(n) = 0

→ -0.04n+3.4=0

By substracting "3.4" from both the sides, we get

→ -0.04n+3.4-3.4=-3.4

→                   -0.04n = -3.4

→                            n = \frac{-3.4}{-0.04}

→                            n = 85

Thus the answer above is right.

Learn more:

brainly.com/question/20862980

7 0
2 years ago
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