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3 years ago

Write the equation of the line from the graph(serious answers only pls)

Mathematics

1 answer:

Leona [35]3 years ago

5 0

Answer:

x = -3

Step-by-step explanation:

Here, this is a vertical line

What this mean here is that the x-value remains constant irrespective of the y value

For all the y values, we have a single x-value

so what this mean is to simply locate the x-axis. value and equate it to x

We have this as;

x = -3

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Lines CD and DE are tangent to circle A, as shown below:Lines CD and DE are tangent to circle A and intersect at point D. Arc CE

Charra [1.4K]

Answer:

55°

Step-by-step explanation:

Given that;

Lines CD and DE are tangent to circle A and intersect at point D.

and:

Arc CE measures 125 degrees. Point B lies on circle A.

There lies a diagrammatic representation below given a clear picture of what this question looks like;

If arc CE is 125°, what is the measure of ∠CDE?

SO, by using the outside angle theorem

∠CDE = $\frac{CBE-CE}{2}$

where arc CE = 125°

we can determine CBE by subtracting it from angle of a circle = 360°

Thus, CBE = 360° - 125°

CBE = 235°

Again; ∠CDE = $\frac{CBE-CE}{2}$

∠CDE = $\frac{235^0-125^0}{2}$

∠CDE = $\frac{110^0}{2}$

∠CDE = 55°

∴ The measure of ∠CDE = 55°

4 0

3 years ago

84,896 to the nearest ten thousand

never [62]

The answer would be 80,000.

3 0

3 years ago

Simplify: (2x – 3)2 4x2 + 9 4x2 – 12x + 9 4x2 – 12x + 6 4x2 – 6

Alexxandr [17]

Answer:

$4x^2-12x+9$

Step-by-step explanation:

we have

$(2x-3)^2$

we know that

$(a-b)^2=a^2-2ab+b^2$

In this problem

$a=2x\\b=3$

substitute in the formula

$(2x-3)^2=(2x)^2-2(2x)(3)+(3)^2$

$(2x-3)^2=4x^2-12x+9$

7 0

3 years ago

Read 2 more answers

Solve the equation 9 = a over 45

Volgvan

Answer:

a=405

Step-by-step explanation:

4 0

3 years ago

I need help...... someone plzzz help

bagirrra123 [75]

The answer is 58 and 39

8 0

3 years ago

Read 2 more answers