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3 years ago

Match the term with the definition

Mathematics

2 answers:

natita [175]3 years ago

8 0

Answer:

1 - c

2 - a

3 - e

4 - d

5 - b

sergejj [24]3 years ago

7 0

Answer: c, a, e, d, b

Step-by-step explanation:

1. Angle: (c) A figure consisting of two rays with the same endpoint.

2. Circle: (a) The set of all points in a plane that are a given distance from a point. That distance is called the radius.

3. Point: (e) A location, has no size.

4. Ray: (d) The portion of a line that starts at one point and goes off to infinity.

5. Vertex: (b) A point where two or more rays or "arms" of an angle meet.

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X^{2} - 8x + 7 = 0 Solve by completing the square. Also can you include steps?

iren [92.7K]

Answer:

{1, 7}

Step-by-step explanation:

Start with x^2 - 8x + 7 = 0.

We want to modify the first two terms to resemble x^2 - ax + b - b, where a is the coefficient (here -8) of the x term and b is the square of half of a.

Here, a = -8. Half of that is -4. The square of -4 is 16, and this is the value of b.

Write out x^2 - 8x as x^2 - 8x + 16 - 16. This is the perfect square of -4, added to x^2 - 8x and then subtracted from the result

Then the original equation, x^2 - 8x + 7 = 0, can be rewritten as:

x^2 - 8x + 16 - 16 + 7 = 0, and then as (x - 4)^2 - 9, or (x - 4)^2 = 9.

We want to solve this result for x. To do this, take the square root of both sides:

x - 4 = ±√9, or x - 4 = ±3.

Adding 4 to both sides, we get:

x = 4 ± 3. Thus, the solutions are x = 4 + 3 = 7 and x = 4 - 3 = 1.

6 0

3 years ago

Read 2 more answers

Select the factors that can be divided out to simplify the multiplication problems: 8/15 * 5/16.

goblinko [34]

I think 2, 8, 5 those are the factors that can be divided out to simplify the multiplication problem.

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3 years ago

Ryan spent $26.32 on 8 gallons of gas. How much would he spend for 20 gallons?

Nana76 [90]

Answer:

$65.80

Step-by-step explanation:

Divide 26.32 by 8 to find how much is in one gallon.

26.32÷8=3.29

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So he would spend $65.80

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3 years ago

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Oksi-84 [34.3K]

Answer:

If I was you i'll take my chances with 125 degrees.

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marshall27 [118]

Answer:

Step-by-step explanation:

um sorry bud cant help

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3 years ago

Match the term with the definition​

Match the term with the definition