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Kruka [31]
3 years ago
8

Solve using any method! 5. x2 + 7x - 8 = 0

Mathematics
2 answers:
Eduardwww [97]3 years ago
8 0
The answer :

86

For x2 + 7x - 8 = 0
Digiron [165]3 years ago
5 0

Answer:

86

Step-by-step explanation:

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MrRissso [65]
Divide both sides of the equation by 0.1 which leaves you with
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If y varies directly as x, and y is 48 when x is 6, which expression can be used to find the value of y when x is 2?
sertanlavr [38]

y = ( 48 *2 ) / 6

Step-by-step explanation:

If y varies directly as x they are directly proportional, which means they relate to each other in the same way....

2 : y = 6: 48

what is y if x = 2?

The value of y can be found if you write it a two fracrions

2 : y = 6 : 48

2 / y = 6 / 48

cross multiply the fractions gives

6*y = 48 *2

divide left and right of the = sign by 6 gives the answer:

y = ( 48 *2 ) / 6

(if you solve it you get y = 12 but that was not the question).

Other method:

multiply left and right of the = sign by y

2 * y/y = y *6 / 48

6y / 48 = 2 * 1

multiply left and right of the = sign by 48

6y * 48/48 = ( 48 *2 )

6y = ( 48 *2 )

divide left and right of the = sign by 6

6/6* y = ( 48 *2 )/6

y = ( 48 *2 ) / 6

(if you solve it you get y = 12 but that was not the question).

4 0
3 years ago
What's bigger? (6×5)⁷÷(-3)⁷ or (6×5)⁴÷(-3)⁴​
max2010maxim [7]
The second one is bigger as the square is a even number with the negative whole
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2 years ago
What is the interquartile range of a data set? <br> what does the IRQ tell you about a data set?
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Answer:

I would help you... But I think that you are supposed to have a picture and there is no picture.

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Please answer all questions except D. It has already been answered. Will give brainliest, ty!
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Answer: c) 0.531441 = 0.53

e) 3.375 = 3.38 or 3.4

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3 years ago
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