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2 years ago

HELP PLS DUE IN 6 MINUTES 6TH GRADE MATH

Mathematics

2 answers:

Dimas [21]2 years ago

4 0

Answer:

C: None of the above

Step-by-step explanation:

adoni [48]2 years ago

3 0

Answer:

Step-by-step explanation:

trust me its easy

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Solve for a 21a+17+15a=-48

Veseljchak [2.6K]

I hope this helps you

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2 years ago

A quiz consists of 3 true-or-false questions and 2 multiple choice questions. The multiple choice questions have 4 options each.

Murljashka [212]

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3 years ago

Select the correct answer. A triangle has vertices (-1, 2), (3, 1), and (7, 2). What is the approximate perimeter of th...

Eva8 [605]

Answer:

16.24 Units

Step-by-step explanation:

The perimeter of the triangle is the sum of the length of the sides of the triangle. Given the points on the vertices, the length of each side may be found using the formula

Length = √(x2 - x1)^2 + (y2 - y1)^2

Considering the pair (-1, 2), (3, 1), the length of that side

= √(3 -- 1)^2 + (1-2)^2)

= √(16 + 1)

= √17 units

Considering the pair (-1, 2), (7, 2), the length of that side

= √(7 -- 1)^2 + (2-2)^2)

= √(64)

= 8

Considering the pair (3, 1), and (7, 2), the length of that side

= √(7 - 3)^2 + (2 - 1)^2

= √(16 + 1)

= √17

Hence the perimeter of the triangle

= √17 + 8 + √17

= 4.12 + 8 + 4.12

= 16.24 Units

5 0

2 years ago

Suppose DK is an angle bisector of △DEF. <br><br><br>Given: EK=2, FK=5, DF=10. Find DE.

ziro4ka [17]

Answer:

$DE=4$

Step-by-step explanation:

We have been provided a graph of a triangle and we are asked to find the length of segment DE.

Angle bisector theorem states that if a ray bisects an angle of a triangle, then it bisects the opposite side of triangle into segments that are proportional to other two sides.

By angle bisector theorem we can set proportions of the given sides as:

$\frac{DE}{EK}=\frac{DF}{FK}$