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Vadim26 [7]
3 years ago
5

Helpppppp meeeeee plzzz

Mathematics
1 answer:
mafiozo [28]3 years ago
6 0

group1 a = 0.25

group1 b = 0.75


group2 a = 0.44

group2 b = 0.56

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if you roll a fair six-sided number cube twice. what is the probability that the first roll is a 5 and the second is a 6?
wariber [46]
1/6*1/6=1/36
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6 0
3 years ago
A2. Find y' and y" for y^2 = x^2<br>+ sinxy
kumpel [21]

Answer:

y'   = (2x + y cosxy)/(2y + x cosxy)

Step-by-step explanation:

Using implicit differentiation:

y^2 = x^2 + sin xy

2y y' = 2x + cos xy  * (xy' + y)

2y y' = 2x + xy' cos xy + y cos xy

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8. Given: PQR and TSR are right triangles,
rewona [7]

Answer:

The answer is below

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. Types of triangles are scalene, right angled, isosceles, equilateral.

A right angled triangle is a triangle with one angle equals to 90°.

Statement                      Reason

∠PQR = ∠RST                Given. ∠PQR = ∠RST = 90° (definition for right

                                       angle triangle.

PQ = ST                          Given

PR ≅  RT                         Since R is the midpoint of PT, hence PR = RT

ΔPQR ≅ ΔTSR                Side-angle-side triangle congruence theorem.

                                       the Side-angle-side triangle congruence theorem

                                       states that if two sides and an included angle of

                                       one triangle is equal to two sides and an included

                                       angle of another triangle, then the two triangles

                                       are congruent. PQ=ST, PR = RT and ∠PQR = ∠TSR

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