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koban [17]
3 years ago
13

Is (9w x 0) -12 and 9w -12 equivalent

Mathematics
1 answer:
Sidana [21]3 years ago
4 0

Answer:

no its not

Step-by-step explanation:

You would have to multiply 9w times -12 and 0 times -12 which does not equal the equation

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Which of the following is a solution of 4x2 = − 9x − 4?
nignag [31]
Get all on one side
add 9x+4 both sides
4x^2+9x+4=0
use quadratic formula
in form
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}

a=4
b=9
c=4

x=\frac{-9+/- \sqrt{9^{2}-4(4)(4)} }{2(4)}
x=\frac{-9+/- \sqrt{81-64} }{8}
x=\frac{-9+/- \sqrt{17} }{8}
x=\frac{-9+ \sqrt{17} }{8} or \frac{-9- \sqrt{17} }{8}

aprox
x=-1.64039 or -0.6096
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4 years ago
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The circumference of a circle F is about 25 cm
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4 years ago
Phil has 3 times as many rocks as Peter. Together, they have 48 rocks. How many more rocks does Phil have than Peter?
Ivan
Let x = the number of marbles for Phil
Then 3x = the number of marbles for Peter
Together they have 3x+x=48 or 4x=48 and x=12
So Phil has x = 12 marbles and Peter has 3x, let x = 12, 3(12) = 36 marbles.
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#4 only please hurry!!!!!!
mojhsa [17]

Answer:

659.1

Step-by-step explanation:

6.591 * 100

=> 659.1 (We can just move the decimal point 2 places to the left because this is multiplication)

This is the same pattern used in all of the questions,

Pattern - Multiplying by powers of 10, which results in shifting of decimal places

If my answer helped, kindly mark me as the brainliest!!

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kherson [118]

Answer: At x= 25 there is a break even point .

Step-by-step explanation:

Let the number of CDs be x

For the case of iTunes,

Cost of each CD = $12

For the case of Best Buy,

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We need to find the "Break even point ":

According to question,

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Hence, At x= 25 there is a break even point .

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