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rosijanka [135]
3 years ago
7

What happens when a barrel goes over the waterfall?

Mathematics
1 answer:
Colt1911 [192]3 years ago
5 0
I think it c because it will go down faster because of gravity
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To solve a system of equations, you can replace a ____________with an equal value or expression.
Ludmilka [50]

Answer:

Variable

Step-by-step explanation:

If you can substitute a unknown variable with another expression that is equal, you can then solve for another variable, and with that equal expression, solve for the first variable.

4 0
4 years ago
Determine the domain of the function (f*g)(x) where f(x)=1/x, g(x)=√2-5x
EleoNora [17]

Answer:  (∞, 0) ∪ (0, 2/5)

               In other words, x is less than 2/5 but cannot include 0

<u>Step-by-step explanation:</u>

f(x)\cdot g(x)=\dfrac{1}{x}\cdot\dfrac{1}{\sqrt{2-5x}}\\\\\\\text{The denominator cannot equal zero and must be a real number, so}\\x\neq 0\quad and\quad \sqrt{2-5x}>0\\\\\\(\sqrt{2-5x})^2>0^2\\.\quad 2-5x>0\\.\qquad -5x>-2\\\\.\qquad \quad x

7 0
3 years ago
David earns $8.59 an hour. His benefits package is equal to 18 percent of his hourly wages. When you include the value of his be
user100 [1]

Answer:

David earns $10.14 per hour.

Step-by-step explanation:

David earns for an hour = $8.59

He gets benefits package that is equal to 18% of his hourly wages.

18% of 8.59

\frac{18}{100} × 8.59

= 0.18 × 8.59

= $1.5462 ≈ $1.55

David's per hour earning = $8.59 + $1.55 = $10.14

David earns $10.14 per hour.

8 0
3 years ago
Read 2 more answers
Find x (2x+1) (5x+5)
mezya [45]

explanation;

Solution for <em>2x+1=5x-5</em> equation

Simplifying

<em>2x + 1 = 5x + -5</em>

Reorder the terms:

<em>1 + 2x = 5x + -5</em>

Reorder the terms:

<em>1 + 2x = -5 + 5x</em>

Solving

<em>1 + 2x = -5 + 5x </em>

Solving for variable<em> 'x'. </em>

Move all terms containing x to the left, all other terms to the right.

Add <em>'-5x'</em> to each side of the equation.

<em>1 + 2x + -5x = -5 + 5x + -5x </em>

Combine like terms: <em>2x + -5x = -3x </em>

<em>1 + -3x = -5 + 5x + -5x </em>

Combine like terms: <em>5x + -5x = 0 </em>

<em>1 + -3x = -5 + 0 </em>

<em>1 + -3x = -5 </em>

Add '-1' to each side of the equation.

<em>1 + -1 + -3x = -5 + -1 </em>

Combine like terms: <em>1 + -1 = 0 </em>

<em>0 + -3x = -5 + -1 </em>

<em>-3x = -5 + -1 </em>

Combine like terms: <em>-5 + -1 = -6 </em>

<em>-3x = -6 </em>

Divide each side by <em>'-3'. </em>

<em>x = 2 </em>

Simplifying

<em>x = 2</em>

8 0
4 years ago
Read 2 more answers
PLEASE HELP ILL GIVE BRAINLIEST!!!! I AM STUMPED AS I HAVE NOT PAYED ANY ATTENTION IN CLASS PLEASE HELP ME!!!!
Svetlanka [38]

Answer:

y=\frac{-2}{3} x-15

Step-by-step explanation:

First draw a line. I will put it in an attachment so you can see the line.

Now choose to points on the line to use the slope formula.

(0,15) and (3,13).

Slope formula: \frac{y2-y1}{x2-x1}

Plug in the information needed using the two points chosen.

\frac{13-15}{3-0}=\frac{-2}{3}

The slope is \frac{-2}{3}.

Now use point-slope formula.

Point-slope formula: y-y1=m(x-x1)

y-15=\frac{-2}{3}(x-0)

y-15=\frac{-2}{3}x-0

Subtract 15 from both sides.

y=\frac{-2}{3}x-15

Hope this helps!

If not, I am sorry.

5 0
2 years ago
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