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Julli [10]
3 years ago
14

An adidas hat that has a regular price of $15.50 and is discounted 25%

Mathematics
2 answers:
netineya [11]3 years ago
5 0
(A) The price of the hat after the discount is $11.63
(B) The tax is $1.16
(C) The total cost of the hat is $16.66
lutik1710 [3]3 years ago
3 0
A) $11.63
B) 7.5% tax on something that is $11.63 would be $.87225
C) total cost with sale and tax would be $12.50
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irinina [24]

Answer:

No Jeremy can not find the cost of the sneakers by adding the percents, you have to the math one sale discount at a time. The answer is $45.90. Step-by-step explanation: You have to multiply $60 by 15%, getting $9.

Step-by-step explanation:

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Differentiate g(u)=sqrt(2)u+sqrt(3u). Is the answer
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5 0
3 years ago
An isosceles trapezoid ABCD with height 2 units has all its vertices on the parabola y=a(x+1)(x−5). What is the value of a, if p
horrorfan [7]

Answer:

a = -0.3575

Step-by-step explanation:

The points A and D lie on the x-axis, this means that they are the x-intercepts of the parabola, and therefore we can find their location.

The points A and B are located where

y=a(x+1)(x-5)=0

This gives

x=-1

y=5

Now given the coordinates of A, we are in position to find the coordinates of the point B. Point B must have y coordinate of y=2 (because the base of the trapezoid is at y=0), and the x coordinate of B, looking at the figure, must be x coordinate of A plus horizontal distance between A and B, i.e

B_x=A_x+\frac{2}{tan(60)} =-1+\frac{2\sqrt{3} }{3}

Thus the coordinates of B are:

B=(-1+\frac{2\sqrt{3} }{3},2)

Now this point B lies on the parabola, and therefore it must satisfy the equation  y=a(x+1)(x-5).

Thus

2=a((-1+\frac{2\sqrt{3} }{3})+1)((-1+\frac{2\sqrt{3} }{3})-5)

Therefore

a=\frac{2}{((-1+\frac{2\sqrt{3} }{3})+1)((-1+\frac{2\sqrt{3} }{3})-5)}

\boxed{a=-0.3575}

8 0
3 years ago
What is the slope of the line that passes through the points (2,-2) and (8,1)?
Scrat [10]

Answer:

1/2

Step-by-step explanation:

The formula for the slope given two points is

m = (y2-y1)/(x2-x1)

    = (1--2)/(8-2)

    = (1+2)/(8-2)

    =3/6

     1/2

5 0
3 years ago
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