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3 years ago

Which construction will determine a midpoint?

Mathematics

2 answers:

likoan [24]3 years ago

5 0

perpendicular bisector

Crank3 years ago

5 0

Answer: The answer is (a) Congruent segments.

Step-by-step explanation: We are to select the correct construction among the given options that will determine a mid-point.

When we draw two congruent segments in a same straight line and meeting at a point, then the meeting point will be the mid-point of the combined segments.

For example, in the attached figure, AP and PB are two line congruent segments meeting at a point P. Then, P will be the mid-point of AB.

Thus, (a) Congruent segments is the correct option.

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Alexxx [7]

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X^2=72
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3 years ago

The area of a rectangular painting is 3276 cm squared If the length of the painting is 63 cm what is its width?

leonid [27]

Answer:

Width = 52cm

Step-by-step explanation:

Step one:

given data

Area= 3276 cm squared

lenght= 63cm

Required

The width

Step two:

We know that

Area= L*W

substitute

3276= 63*W

divide both sides by 63

W= 3276/63

W=52cm

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2 years ago

What is the solution to x3 + x2 s 10x - 8?

mrs_skeptik [129]

Answer:
Explanation:

7 0

2 years ago

How many triangles and quadrilaterals altogether can be formed using the vertices of a 7-sided regular polygon?

MAVERICK [17]

Answer: The correct option is

(E) 70.

Step-by-step explanation: We are given to find the number of triangles and quadrilaterals altogether that can be formed using the vertices of a 7-sided regular polygon.

To form a triangle, we need any 3 vertices of the 7-sided regular polygon. So, the number of triangles that can be formed is

$n_t=^7C_3=\dfrac{7!}{3!(7-3)!}=\dfrac{7\times6\times5\times4!}{3\times2\times1\times4!}=35.$

Also, to form a quadrilateral, we need any 4 vertices of the 7-sided regular polygon. So, the number of quadrilateral that can be formed is

$n_q=^7C_4=\dfrac{7!}{4!(7-4)!}=\dfrac{7\times6\times5\times4!}{4!\times3\times2\times1}=35.$

Therefore, the total number of triangles and quadrilaterals is

$n=n_t+n_q=35+35=70.$

Thus, option (E) is CORRECT.

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3 years ago

Bạn phương có 1.2tỷ đồng đang cân nhắc đầu tư vào các dự án sau

Sunny_sXe [5.5K]

Answer:

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Step-by-step explanation:

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3 years ago