3 years ago

Simplify: (3x2 - 4x + 6) + (7x - 2)

Mathematics

1 answer:

V125BC [204]3 years ago

8 0

Answer:

11x-2

Step-by-step explanation:

(3x2 - 4x + 6) + (7x - 2) This is the breakdown. (6 4x + 6)= 4x. + (7x-2) = 11x-2

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If you flip a coin and roll a 6 sided dice what is the probability that you will flip a heads and roll a 5

Bogdan [553]

Answer:

1/12

Step-by-step explanation:

since there are 6 sides on a die, there is a 1/6 chance of any given number being rolled. And coins have a 1/2 chance of being heads.

1/2x1/6 = 1/12

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2 years ago

Sydney’s teacher says she may have her report card percentage based on either the mean or the median and she can drop one test s

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What is the value of x for which m || n?<br> x = 40<br> x = 5<br> x = 105<br> x = 30

QveST [7]

Answer:

(A) x=40

Step-by-step explanation:

Given: It is given that m is parallel to n.

To find: The value of x.

Proof: It is given that m is parallel to n, from the figure it can be seen that 105° and (3x-15)° forms alternate exterior angles which are equal in measure because m is parallel to n.

Thus, $105^{\circ}=3x-15^{\circ}$

⇒ $105^{\circ}+15^{\circ}=3x$

⇒ $120^{\circ}=3x$

⇒ $\frac{120}{3}=x$

⇒ $x=40$

Thus, the value of x is 40, hence option A is correct.

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3 years ago

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the area of a gymnasium floor is 264 square yard. the floor is 11 yards wide . how long is the floor?

Alekssandra [29.7K]

Area = Length x Width (A = L x W)

A = 264, W = 11, L = ?

Rewrite the equation to find L. In order to reverse multiplication, you must divide.

L = A / W

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Which situation results in the final value of zero? E the temperature after a decrease of 5°F from a temperature of -5°F. Be the

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Answer:

It's D.

Step-by-step explanation:

That would be D.

-24 + 24 = 0.

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