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4 years ago

Graph 3/6 3/4 and 3/12 on a number line

Mathematics

1 answer:

Luda [366]4 years ago

5 0

Answer:

Plot left to right 3/12, 3/6 and 3/4 at their corresponding values.

Step-by-step explanation:

When using a number line divided into parts of 12, convert the fractions to a denominator of 12 through multiplication.

$\frac{3}{6} --> \frac{6}{12}$

$\frac{3}{4} --> \frac{9}{12}$

$\frac{3}{12}$ is the same.

Plot the values on the number line.

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Use Quadratic Formula to solve Real Life Quadratic Equation Problem.

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Use Quadratic Formula to solve Real Life Quadratic Equation Problem.

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3 years ago

if a credit card has an annual interest rate 13.6% and only the minimum monthly payment of 35 is made, how many months will it t

Paladinen [302]

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3 years ago

A radio telescope has a parabolic surface, as shown below.

krek1111 [17]

OK, so the graph is a parabola, with points x=0,y=0; x=6,y=-9; and x=12,y=0

Because the roots of the equation are 0 and 12, we know the formula is therefore of the form

y = ax(x - 12), for some a

So put in x = 6

-9 = 6a(-6)

9 = 36a

a = 1/4

So the parabola has a curve y = x(x-12) / 4, which can also be written y = 0.25x² - 3x

The gradient of this is dy/dx = 0.5x - 3

The key property of a parabolic dish is that it focuses radio waves travelling parallel to the y axis to a single point. So we should arrive at the same focal point no matter what point we chose to look at. So we can pick any point we like - e.g. the point x = 4, y = -8

Gradient of the parabolic mirror at x = 4 is -1

So the gradient of the normal to the mirror at x = 4 is therefore 1.

Radio waves initially travelling vertically downwards are reflected about the normal - which has a gradient of 1, so they're reflected so that they are travelling horizontally. So they arrive parallel to the y axis, and leave parallel to the x axis.

So the focal point is at y = -8, i.e. 1 metre above the back of the dish.

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3 years ago

Is 2 to the power of 3 bigger then the square root of 5?

BARSIC [14]

Answer:

Yes.

Step-by-step explanation:

Let's write out each problem:

$\sqrt{5}$ = 2.3

$2^3$ = 8

Now that we have both answers to each expression, we can tell that $2^3$ , in fact, is larger than the square root of 5.

So your answer is, "Yes, $2^3$ is bigger than the square root of 5.

Feel free to give brainlest.

Have an amazing day!

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3 years ago

What is the measure of the central angle of a circle with radius 60 cm the intercepts a 15 pi centimeters arc

alekssr [168]

The measure of the central angle of a circle is 45⁰

<h3>What is Angle?</h3>

A figure which is formed by two rays or lines that shares a common endpoint is called an angle.

Here,

Theta (angle) θ = arc length / radius

θ = 15 π / 60 cm

θ = 0.79 radians

Convert to degrees

θ = 0.79 radians = 0.79 X 180/ π

= 0.79 X 180/ 3.14

= 45⁰

Thus, the measure of the central angle of a circle is 45⁰.

Learn more about Angle from:

brainly.com/question/7116550

#SPJ1

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2 years ago