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yanalaym [24]
2 years ago
5

Montreal canadiens memorabilia is on sale for 40% off due to their disappointing season how much would a jersey that cost $80 be

after sales and tax
what is 40$ of 80?
Mathematics
2 answers:
hjlf2 years ago
7 0
You mean 40% of 80?

40*100 = 0.4

0.4*80 = 32
serg [7]2 years ago
6 0

Answer:

nothing much just got home

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7nadin3 [17]
8 children because
11 3/7 is equal to 83/14
If each child receives 10/14
83/10
= 8.3
There can't be .3 of a child so round it and you get 8!
Hope this helps!
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3 years ago
What is the center of a circle whose equation is x^2+y^2-12x-2y+12=0
Evgen [1.6K]

Answer:

(6, 1)

Step-by-step explanation:

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3 years ago
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Annie is framing a photo with a length of 6 inches and a width of 4 inches. The distance from the edge of the photo to the edge
Ede4ka [16]

Answer:

Part a) The quadratic function is 4x^{2} +20x-39=0

Part b) The value of x is 1.5\ in

Part c) The photo and frame together are 7\ in wide

Step-by-step explanation:

Part a) Write a quadratic function to find the distance from the edge of the photo to the edge of the frame

Let

x----> the distance from the edge of the photo to the edge of the frame

we know that

(6+2x)(4+2x)=63\\24+12x+8x+4x^{2}=63\\ 4x^{2} +20x+24-63=0\\4x^{2} +20x-39=0

Part b) What is the value of x?

Solve the quadratic equation 4x^{2} +20x-39=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem

we have

4x^{2} +20x-39=0

so

a=4\\b=20\\c=-39

substitute in the formula

x=\frac{-20(+/-)\sqrt{20^{2}-4(4)(-39)}} {2(4)}

x=\frac{-20(+/-)\sqrt{1,024}} {8}

x=\frac{-20(+/-)32} {8}

x=\frac{-20(+)32} {8}=1.5\ in  -----> the solution

x=\frac{-20(-)32} {8}=-6.5\ in

Part c) How wide are the photo and frame together?

(4+2x)=4+2(1.5)=7\ in

5 0
3 years ago
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kompoz [17]

Answer:

22 FT

Step-by-step explanation:

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8 0
3 years ago
What are the answers to these four questions
Diano4ka-milaya [45]
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number 8 is about 4.285
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