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2 years ago

If 5x = 30 then x is equal to

Mathematics

2 answers:

max2010maxim [7]2 years ago

8 0

Answer:

Step-by-step explanation:

Gre4nikov [31]2 years ago

7 0

Answer:

Step-by-step explanation:

see first we have to get the x by its self so 5x/5 to cancel the 5's out so now what we do to one side we do to the other so 30/5 = 6

Hope this helps

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Remove the brackets and simplfy 5-(6a -3b -8)

galina1969 [7]

Answer:

−6a+3b+13

Step-by-step explanation:

7 0

3 years ago

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I also got stuck on this one.

Rama09 [41]

Answer:

8 questions.

Step-by-step explanation:

100 - 2x = 84

-2x + 100 = 84

-x + 50 = 42

x - 50 = -42

x = 8

Trevor answered 8 questions incorrectly.

Hope this helps!

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3 years ago

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Help me please and thx

Olenka [21]

Y = kx, so y/x is constant

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3 0

3 years ago

6x2 +10x−1 discriminant

eimsori [14]

Answer:

$124$

Step-by-step explanation:

$6 {x}^{2} +10x−1$

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

${b}^{2} −4(ac)$

Substitute in the values of a, b, and c.

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$100−4(6(−1)$

$100−4(−6)$

$100 + 24$

$124$

<h3>Hope it is helpful...</h3>

8 0

3 years ago

Find the value of X in the triangle shown below

coldgirl [10]

Answer:

x = sqrt(32)

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2+ b^2 = c^2

7^2 + x^2 = 9^2

49+x^2 = 81

Subtract 49 from each side

x^2 = 81-49

x^2 =32

Take the square root of each side

sqrt(x^2) = sqrt(32)

x = sqrt(32)

3 0

3 years ago

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