Please help. Picture has the question.

Mathematics

2 answers:

valentina_108 [34]3 years ago

5 0

A)
Triangle ABX
Height = 8m
Base = 26-11 m

Find length by AB^2 = 15^2 + 8^2

b) Find AC by using AB as Height and BC as base
AC^2 = AB ^2 + BC ^2

sashaice [31]3 years ago

4 0

A) 8^2+15^2=289
Square root 289= 17cm

B) 17^2+12^2= 433
Square root 433= 20.8cm

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Help plz this is really hard for me

Alenkasestr [34]

Answer:

Improper fraction: 13/10

Mixed number: 1 3/10

Decimal: 1.3

Step-by-step explanation:

Find common denominator: which is 30

Make each denominator equal 30, affecting the whole fraction:

6•2/15•2 + 3•3/10•3 + 3•6/5•6 =

12/30 + 9/30 + 18/30 = 39/30

Simplify: 39/30, divide both by 3: 13/10

And there is our answer!

Hope this helps, good luck! :D

3 0

3 years ago

Read 2 more answers

To win the game, Elena has to roll an even number first and a number less than 3 second. Her probability of winning is 6/36.

Nitella [24]

Answer:

Prob (Marta winning) < Prob (Elena winning) : Case 1st, 3rd & 5th
Prob (Marta winning) = Prob (Elena winning) : Case 2nd
Prob (Marta winning) > Prob (Elena winning) : Case 4th

Step-by-step explanation:

Elena outcomes of winning, first even no. & second no. = 3 : (2,1) , (2,2) , (4,1) , (4,2) , (6,1) , (6,2). So, Probability (Elena willing) = favourable outcomes / total outcomes = 6 / 36

Margie dice sum '7' outcomes = (2,5) , (5,2) , (3,4) , (4,3). So, Prob = 4/36
Margie dice sum '6' outcomes = (1,5) , (5,1) , (2,4) , (4,2) , (3,3). So, Prob = 6/36
Margie dice sum '2' or '9' outcomes = (1,1) , (3,6) , (6,3) , (4,5) , (5,4). Prob = 5/36
Margie dice sum '>9' outcomes = (3,6) , (6,3) , (4,5) , (5,4) , (4,6) , (6,4) , (5,5) , (5,6) , (6,5) , (6,6). Prob = 10/36
Margie dice sum '>2,<5' outcomes = (1,2) , (2,1) , (2,2) , (1,3) , (3,1) = 4/ 36