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Blizzard [7]
3 years ago
9

Match the statements in the table with the words/phrases contained in the word bank Word Bank:

Mathematics
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

                                            Circumcenter          Incenter              Centroid

Formed by intersection of   Perp. Bisectors    Angle bisectors     Medians

Type of circle                        Circumscribed      Inscribed               No circle

Special property              Equidistant from Equidistant from  Center of mass

                                                      vertices              Sides

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Write 4270000 in scientific notation​
notka56 [123]
4.27x10*6
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7 0
2 years ago
Simplify the following expression by combining like terms.<br> 3x + 4x² - 7x+ 9x2
EleoNora [17]

Answer:

13x² - 4x

Step-by-step explanation:

3x + 4x² - 7x + 9x² ← collect like terms

= (4x² + 9x² ) + (3x - 7x)

= 13x² + (- 4x)

= 13x² - 4x

7 0
2 years ago
A, B &amp; C form the vertices of a triangle.
Savatey [412]

Answer:

BC = 17.2.

Step-by-step explanation:

Since CAB = 90º, this is a right triangle.

The triangle format is given below:

C

A           B

We have that AB = 8.6, and angle B measures 60º.

Length of BC:

BC is the hypotenyse.

Side AB is adjacent to angle B = 60º.

In a right triangle, angle \alpha, it's adjacent side with length s and the hypotenuse h are related by the cosine of the angle, that is:

\cos{\alpha} = \frac{s}{h}

In this question, we have an angle of 60º, with has cosine 0.5. We also have that side AB = s = 8.6, and the hypotenuse h is side BC. So

\cos{\alpha} = \frac{s}{h}

0.5 = \frac{8.6}{h}

0.5h = 8.6

h = \frac{8.6}{0.5}

h = 17.2

BC = 17.2.

4 0
3 years ago
Help please need by tomorrow
kirza4 [7]
Well number one is an acute angle number two is obtuse and number three is obtuse
3 0
3 years ago
A rectangle field is 350 meters long and 300 meters wide. What is the area of the field in square kilometers
balu736 [363]

Okay, so a kilometer=1000 meters, knowing that we can multiply 350*300 for the area, which would give us 105000 meters squared, then we divide 105000 by 1000, giving us 105 square kilometers.

4 0
3 years ago
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