3 years ago

12

1 answer:

3 0

Triangles ABC and DEF may or may not be congruent, because the angle-angle-angle (AAA) postulate is not a criterion for congruency of any two triangles. This is because the angle-angle-angle postulate only incorporates the angles of the triangles, and the side lengths are not specified, so congruency may or may not be true for these triangles.

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The expression describe the number that is 8 to the left of -8 on the number line

mart [117]

Start at -8 move to the left 8 more times,. You get -16.

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3 years ago

Expand and simplify <br><br> 3(c-7)+2(3c+4)

leonid [27]

Answer:

9c - 13

Step-by-step explanation:

Given

3(c - 7) + 2(3c + 4) ← distribute both parenthesis

= 3c - 21 + 6c + 8 ← collect like terms

= 9c - 13

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3 years ago

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Are the following ratios equivalent? Why or why not? 4:5 and 16:20

MrRissso [65]

Answer:

Equivalent

Step-by-step explanation:

4:5 multiply both sides by 4 to get 16:20

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2 years ago

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Leviafan [203]

Answer:

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Step-by-step explanation:

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3 years ago

Find k given that these three points are collinear.<br> A(0, -2), B(2, 0), and C(5, k)

goldfiish [28.3K]

Answer:

k = 3.

Step-by-step explanation:

If they are collinear the slope of AB = the slope of BC, so :-

(0- (-2)) / (2 - 0) = (k - 0) / (5 - 2)

2/2 = k/3

1 = k/3

k = 3.

7 0

3 years ago