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mafiozo [28]
4 years ago
15

PLEASE HELP ME!Which expression finds the length of side y of this right triangle?

Mathematics
1 answer:
Evgesh-ka [11]4 years ago
6 0

the 4th one.

y =   \sqrt{r {}^{2} }  - x {}^{2}

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Kelly tells you that when variables are in the denominator, the equation becomes unsolvable. "There is a value for x that makes
MrMuchimi
<span>Let's try to solve the equation: 1/x + 1/(x)² = 2
Kelly says that it is not possible because there are the variable x and x² in the denominators. Kelly is correct in that there is a value of x that makes the denominator zero. In this case, x = 0 makes the denominator of 1/x zero and also makes the denominator of 1/x² = 0. 
</span>But, we want to look for values of x that will make the whole equation true, not the values of x that make the denominators zero. 1/x + 1/(x)² = 2

(x +1)/(x)² = 2 

Multiply through by x² with the proviso that x is not 0. 

Then, (x + 1) = 2x²

At this point, we are looking for solutions to (x + 1) = 2x² which is related to but not identical to the original equation. So, we will have to check any answers we get to (x + 1) = 2x² against the original problem: 1/x + 1/(x)² = 2

7 0
3 years ago
YOUR TURN
Karolina [17]

Answer:

The equation is: <em>y</em> = 15·<em>x</em>

Step-by-step explanation:

It is provided that at the Speedy Bike Works, 15 bicycles are produced each hour.

Consider the table below.

                    Number of Hours:       1          3          6          10

Number of Bicycles Produced:      15        45        90       150

Compute the ratio of number of bicycles produced and number of hours for every data above as follows:

\text{1 hour}=\frac{15}{1}=15:1\\\\\text{3 hour}=\frac{45}{3}=\frac{15}{1}=15:1\\\\\text{6 hour}=\frac{90}{6}=\frac{15}{1}=15:1\\\\\text{10 hour}=\frac{150}{10}=\frac{15}{1}=15:1

The ratio of the number of bicycles produced and number of hours is same for every data value.

Thus, the relationship between the number of bicycles produced and number of hours is proportional.

The equation for the relationship is:

<em>y</em> = 15·<em>x</em>

<em>y</em> = number of bicycles produced

<em>x</em> = number of hours

4 0
4 years ago
Which number line represents the solutions to \x – 5) = 1?
Aneli [31]

Answer:

Second number line represents the [X-5]=1.

Step-by-step explanation:

Given : [X-5]=1 .

To find : Which number line represents the solutions to [X-5]=1.

Solution : We have given that [X-5]=1.

We can se the value x-5 is inside the modulus it may be positive or negative.

So, we will do it by both cases.

1) (x - 5) = 1

On adding by 5 both sides.

x = 1+5 = 6

x = 6.

2) if -(x-5) = 1

remove parenthesis

-x +5 = 1

On subtracting by 5 both side

-x = -4

On dividing by -1 both side

x = 4.

So , x = 4, 6.

Therefore , the second number line represents the [X-5]=1.

8 0
3 years ago
I do not know how to do this problem for my practice worksheet. Could you please help me?
Veronika [31]

Answer:

Equation: -6n-2n=16

Combine like terms: -8n=16

Divide by -8 on both sides: n=-2

Let me know if this helps!

5 0
3 years ago
Find the length of the third side. If necessary, round to the nearest tenth.This is on Pythagorean theory​
kenny6666 [7]

Answer:

23 because the 24 side is a little bigger than the other side

Step-by-step explanation:

5 0
3 years ago
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