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alexira [117]
3 years ago
14

if 45% of an item is $144.00 what is the original price(i tried to do this before but $144.00 is NOT the original price it's onl

y 45% of the original price)(also if you want a brainliest i could give you one for the first person for who wants one.
Mathematics
2 answers:
aivan3 [116]3 years ago
8 0

Answer:

320

Step-by-step explanation:

SVETLANKA909090 [29]3 years ago
5 0

Answer:

320

Step-by-step explanation:

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The equation x + c = k has a solution of x = 2. Both cand k are rational numbers.
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Solve the equation for x.
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You multiply 0.6 by 5x and 10 and you get 3x+6=-24. you then subtract 6 from both sides of the equation and you get 3x=-30. after that you divide both sides by 3 and you get x=-10. so the answer is B!
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Write the trigonometric expression in terms of sine and cosine, and then simplify.
katrin2010 [14]
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3 years ago
Bob's Skate Shop had a profit of $3,563 during the month of August. The company models its profit using P=x^2+10x-12
Vladimir79 [104]
x^2+10x-12 =3563 \\ x^2+10x-12 -3563=0 \\ x^2+10x-3575=0 \\ D=b^2-4ac=10^2-4*1*(-3575)=100+14300=14400 \\ x_{1,2}= \frac{-bб \sqrt{D} }{2a}= \frac{-10б \sqrt{14400} }{2}= \frac{-10б 120 }{2} \\ x_1= -65 \ \ \ \O \\ x_2=55

The company sold 55 skateboards.
4 0
3 years ago
If h(x) = f(x) - g(x) = 2x, at what x-value will f(x) = g(x) + 20?
Olegator [25]

Answer:

B

Step-by-step explanation:

This is a neat question

f(x) - g(x) = 2x           Add g(x) to both sides

f(x) = g(x) + 2x

Now you need the right hand side to have 20 added to g(x).

2x must = 20

2x = 20                    Divide by 2

x = 20/2

x = 10

So the answer must be x = 10

8 0
2 years ago
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