1 year ago

Find a. Write your answer in simplest radical form.

Mathematics

1 answer:

OlgaM077 [116]1 year ago

8 0

Answer:a=10

Step-by-step explanation:

I don’t know how to explain this in detail but I hope these notes and work help you.

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Y=-1/4x-5 and 2x+8y=56 determine if paralllel ,nethier or perpendicular

Dominik [7]

Answer:

Parallel

Step-by-step explanation:

In the slope-intercept form (y=mx +c), the coefficient of x tells us the slope of the line.

2x +8y= 56

Let's rewrite this equation into the slope-intercept form.

8y= -2x +56

Dividing both sides by 8:

$y= - \frac{2}{8} x + \frac{56}{8}$

$y = - \frac{1}{4} x + 7$

Slope= -¼

y= -¼x -5

Slope= -¼

Since both lines have the same slope, they are parallel to each other.

3 0

2 years ago

2. The electrical resistance R of a wire varies inversely with the square of its diameter d. If a wire with a

Mariulka [41]

Answer:

$0.225 \Omega =225 m\Omega$

Step-by-step explanation:

We know (Ohm second law) that $R= \frac{k}{d^2}$ where k inlcudes the rest of the parameters (material, lenght). In our situation we have k= $0.4\cdot9 \Omega mm^2$ . The moment the diameter becomes 8mm R becomes

$R= {{0.4\cdot 9}\over{16}} \Omega = 0.225 \Omega$

4 0

2 years ago

Mrs.Johnsons new car has an 18 gallon gas tank. If she can travel 400 miles on one tank of gasoline, what is her miles per gallo

serious [3.7K]

Answer:

Step-by-step explanation:

400/18=22.222222222

Round to 22

5 0

3 years ago

Can you help me plz? I'll mark brainilest

Vladimir79 [104]

The answer is amplitude

8 0

2 years ago

Simplify and determine the coefficient of (- x)(3y)(-2x).

Valentin [98]

Answer:

6yx2

Step-by-step explanation:

brackets means multiply hence -x×3y×-2x

6 0

2 years ago