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Anna007 [38]
3 years ago
8

-4(x+1)+5=17 solve for x

Mathematics
2 answers:
den301095 [7]3 years ago
6 0

First distribute -4 to all terms within the parenthesis

-4(x) = -4x

-4(1) = -4

-4x - 4 + 5 = 17

Simplify. Combine like terms

-4x (-4 + 5) = 17

-4x + 1 = 17

Isolate the x. Do the opposite of PEMDAS. Note the equal sign. What you do to one side you do to the other.

Subtract 1 from both sides

-4x + 1 (-1) = 17 (-1)

-4x = 16

Divide -4 from both sides

-4x/-4 = 16/-4

x = 16/-4

x = -4

-4 is your answer

hope this helps

ahrayia [7]3 years ago
3 0

-4(x + 1) + 5 = 17

Distribute -4 inside the parentheses.

(-4x - 4) + 5 = 17

Combine like terms (-4 + 5).

-4x + 1 = 17

Subtract 1 from both sides.

-4x = 16

Divide both sides by -4.

x = -4

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Answer:

t = 0.293 s and 14.52 s

Step-by-step explanation:

The heights of the ball in feet is given by the equation as follows :

S = -2.7t^2+40t+6.5

Where t is the number of seconds after the ball was thrown.

We need to find is the ball 18 ft above the moon's surface.

Put S = 18 ft

-2.7t^2+40t+6.5=18\\\\-2.7t^2+40t=18-6.5\\\\-2.7t^2+40t-11.5=0

It is a quadratic equation. Its solution is given by :

t=\dfrac{-40+\sqrt{40^{2\ }-4\left(-2.7\right)\left(-11.5\right)}}{2\left(-2.7\right)},\dfrac{-40-\sqrt{40^{2\ }-4\left(-2.7\right)\left(-11.5\right)}}{2\left(-2.7\right)}\\\\t=0.293\ s,14.52\ s

So, the ball is at first 0.293 s and then 14.52 s above the Moon's surface.

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How can the bar symbol be used to show the quotient of 7÷11 if the division is carried on forever?
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Which number line represents the solution set for the inequality 3(8 – 4x) < 6(x – 5)?
MrMuchimi

The solution to the inequality is x > 3

The number line that represent the solution set will be:

<em>A number line from negative 5 to 5 in increments of 1. An open circle is at 3 and a bold line starts at 3 and is pointing to the right</em>. The correct option is the second option

<h3>Linear Inequalities </h3>

From the question, we are to determine the number line that represents the solution set for the given inequality

The given inequality is

3(8 – 4x) < 6(x – 5)

First, we will solve the inequality

3(8 – 4x) < 6(x – 5)

Clear the brackets

24 - 12x < 6x - 30

Collect like terms

24 + 30 < 6x + 12x

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Divide both sides by 18

3 < x

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Hence, the number line that represent the solution set will be:

<em>A number line from negative 5 to 5 in increments of 1. An open circle is at 3 and a bold line starts at 3 and is pointing to the right</em>. The correct option is the second option

Learn more on Linear inequalities here: brainly.com/question/28003708

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2 years ago
What is the sine value of 7 pi over 6? negative square root 3 over 2 square root 3 over 2 negative 1 over 2 1 over 2?
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6 0
3 years ago
Read 2 more answers
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