Predict how many times you will roll a number less than 4 If you roll a standard number cube 250 times.

Mathematics

1 answer:

NikAS [45]3 years ago

4 0

Answer:

gusion,layla,alucard,balmon,fanny,freya,chou,lapu lapu,cecelion,carmila,miya,nana,harith,

Step-by-step explanation:

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Rewrite x^2+12x+42 in the form (x+b)^2 +c

Rzqust [24]

This is completing the square:

(x^2+12x+36)+42-36

Answer: (x+6)^2 +6

6 0

2 years ago

Please help fill in the blanks

Wewaii [24]

Answers:

Reason 4: Isosceles triangle

Reason 5: Segment Addition Postulate

Reason 6: Segment Addition Postulate

Reason 7: Substitution

Reason 8: Substitution

Reason 9: Subtraction property of equality

Reason 10: Definition of congruence

Reason 11: Vertical Angles Theorem

Reason 12: Vertical Angles Theorem

Reason 13: ASA (angle side angle) congruence theorem

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Explanations:

Reason 4: Triangle DCE is an isosceles triangle because of statement 1 of the proof table. The congruent base angles lead to congruent opposite sides.

Reason 5 and 6: This is the idea of breaking any segment into smaller pieces. The smaller pieces glue back together to get the larger original segment.

Reasons 7 and 8: Substitution is a math term which means "replacement". So for instance, in line 7 we started with DB = DC + CB (from line 6), then we replaced the "DB" with "DF" (see line 3); and then replaced "DF" with "DE+EF"

Reason 9: In this step, we subtract DE from both sides to have it go away and cancel out

Reason 10: If two lengths are equal, then the segments are congruent

Reason 11 & 12: Two angles are vertical if they are opposite from one another after forming from two lines crossing. Think of an X shape. Vertical angles are congruent.

Reason 13: We have two pairs of congruent angles, and a pair of congruent sides. The sides are between the angles. The order is important. See the attached image below.