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Lilit [14]
3 years ago
9

Find the percent of discount. Round to the nearest tenth. $24365 to $16820

Mathematics
1 answer:
damaskus [11]3 years ago
6 0
The answer will be 41,185 Hopes this help. :)
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Which of the following reveals the minimum value for the equation 3x2 + 18x + 15 = 0?
11111nata11111 [884]

Answer:

Step-by-step explanation:

I have no idea

7 0
2 years ago
The height of a triangle is 8ft greater than the base. The area of the triangle is 136.5 square ft. Find the length of the base
mixer [17]

Answer:

the base is 9/2 ft and the height is 9/2 + 8, or 25/8, ft.

Step-by-step explanation:

Note that the formula for the area of a triangle is A = (1/2)(base)(height).  Let's abbreviate that to A = (1/2)(b)(h).   We are told that h = b + 8.

Then A = 136.5 = (1/2)(b)(b + 8), or

               (after multiplying both sides by 2)

          A = 273 = b^2 + 8b

                which, when put into standard quadratic form, becomes:

b^2 + 8b - 273 = 0

The coefficients of this quadratic are a = 1, b = 8 and c = -273.

Thus, the discriminant is b^2 - 4ac, or 64 - 4(1)(-273) = 1156 = 17^2.

The roots are then

      -8 ± √1156            -8 ± 17

x = --------------------  =  ------------ = 9/2 and -25/2

              2                          2

Only the root 9/2 makes sense here, because measurements of length are positive.

Thus, the base is 9/2 ft and the height is 9/2 + 8, or 25/8, ft.

3 0
3 years ago
If the angles are represented in degrees, find both angles sin(x+76)=cos(3x+2)
poizon [28]

Step-by-step explanation:

x + 76 + 3x +  2 = 90

4x + 78 = 90

4x = 12

x = 3

Angle 1 is 79

Angle 2 is 11.

4 0
3 years ago
The equation of line g is y=7x-10. Line h is perpendicular to line g and passes through
DanielleElmas [232]

Answer:

y = 7x - 2

Step-by-step explanation:

3 0
3 years ago
pet store inc found that they were selling more guinea pigs and fewer birds. in 2010, they had 42 birds in stock, and in 2011, t
navik [9.2K]
Answer=19.05% decrease 

    42 birds          34 birds
___________=__________
 100percent        x percent

cross multiply
42x=3400
divide both sides by 42
x=80.95 percent

The inventory in 2011 is 80.95% the inventory in 2010

100-80.95=19.05% decrease
6 0
3 years ago
Read 2 more answers
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