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andrezito [222]
2 years ago
7

A $250 gaming system is discounted by 25%. It was then discounted another 10% because the box was opened by a customer. After bo

th discounts are taken what is the total percent discount is
Mathematics
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

168.75

Step-by-step explanation:

so first you have to do 250 times .75. this is because if you times it by .25 it would be a 75% discount. then you have to do 187.5 times .90 to get your answer

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Solve: 1 × -23 = Question 9 options: -1 1 23 -23
Nonamiya [84]

Answer:

-23

Step-by-step explanation:

  • 1 × -23

1. When multiply a positive number by a negative number, the answer will always be negative.

2. When we multiply any number by 1, that number will stay the same.

  • 1 * -23
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Therefore, the answer is -23!

8 0
2 years ago
Which of the following represents the most accurate estimation of 4+8
UkoKoshka [18]
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4 0
2 years ago
Complete the following exercises by applying polynomial identities to complex numbers. Factor x2 + 64. Check your work. Factor 1
Mumz [18]
x^2+64=x^2-(8i)^2=(x-8i)(x+8i)

16x^2+49=(4x)^2-(7i)^2=(4x-7i)(4x+7i)

(x+9i)^2=x^2+2x\cdot9i+(9i)^2=x^2+18xi+81i^2=x^2+18xi-81=x^2-81+18xi

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(x+(3+5i))^2=x^2+2x(3+5i)+(3+5i)^2\\\\=x^2+6x+10xi+3^2+2\cdot3\cdot5i+(5i)^2\\\\=x^2+6x+10xi+9+30i+25i^2=x^2+6x+10xi+9+30i-25\\\\=x^2+6x+10xi+30i-16=x^2+6x-16+(10x+30)i


Used:\\i^2=-1\\\\a^2-b^2=(a-b)(a+b)\\\\(a+b)^2=a^2+2ab+b^2
4 0
3 years ago
Read 2 more answers
Write the equation of a line that is parallel to {y=0.6x+3}y=0.6x+3y, equals, 0, point, 6, x, plus, 3 and that passes through th
Dominik [7]

y = 0.6x - 3.2  
The general form of the desired equation is 
y = mx + b
 where
 m = slope of the line
 b = y intercept of the line 
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given line "y = 0.6x +3" is 0.6, that will also be the slope of the desired line.
So our equation becomes:
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 y = 0.6x + b
 -5 = 0.6(-3) + b
 -5 = -1.8 + b
 -3.2 = b 
 So the desired equation is now 
y = 0.6x - 3.2
3 0
2 years ago
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