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Stels [109]
3 years ago
7

OMGGGGG PLEASE HELP ME GUYS

Mathematics
2 answers:
4vir4ik [10]3 years ago
8 0

Answer:

a) 2/5

b) 1/10

Step-by-step explanation:

There are 20 people total.

a is that the chosen child is a girl.

2 + 6 = 8, --> there are 8 girls --> simplify

8/20 = 4/10 = 2/5

b is the probability that the chosen child is a left-handed girl, --> there are 2 left-handed girls --> 2/20 --> simplify to 1/10

And thus, we have our answers.

8_murik_8 [283]3 years ago
6 0

Answer:

A) 2/5

B) 1/10

Step-by-step explanation:

A) Total Girls = 8

Total Children = 19

Probability = \frac{NumberOfFavourableOutcomes}{Total No.OfOutcomes}

Probability = 8/20 = 4/10 = 2/5

B) Left-handed girls = 2

Total left handed children = 20

=> Probability = \frac{NumberOfFavourableOutcomes}{Total No.OfOutcomes}

=> Probability = 1/10

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Pepsi [2]

Answer:

1. 8/9

2. 8575

3. 1/54

4. -225

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8 0
2 years ago
What is the mean of 5, 8, 16, 22, 19, 27, 32? (Round to the nearest whole number.)
Artyom0805 [142]

Answer:

B) 18.

Step-by-step explanation:

Add them up then divide by the amount of numbers there are.

7 0
3 years ago
Read 2 more answers
Help Pls! I need this fast!
lesya [120]

Answer: 36

Step-by-step explanation:

\overline{AB} \cong \overline{BC} (Triangle ABC is isosceles)

m\angle CAB=m\angle CBA=30^{\circ} (base angles of an isosceles triangle are congruent)

\angle MCB=90^{\circ} (In triangle CMB, angles in a triangle add to 180 degrees)

\angle ACM=30^{\circ} (triangle sum theorem)

MB=24 (30-60-90 triangle CMB)

AB=12 (sides opposite congruent angles in a triangle are congruent)

AB=36 (segment addition postulate)

3 0
2 years ago
(−2k <br> 3<br> −7k <br> 2<br> +5k)+(6k <br> 2<br> +3k)=
shusha [124]

Answer: 5k +7

Step-by-step explanation: -2k + -7k + 5k is -4K and 2+3=5 -4K +5 and 6k +3k= 9k + 2 then u do -4K plus 9k and get 5k next, 5+2

7 0
2 years ago
What is x in the equation 5^{3-2x} = 5^{-x} <br> A) x = 3<br> B) x = 1<br> C) x = -1<br> D) x = -3
Naily [24]

Answer:

The answer is A) x equals 3

8 0
3 years ago
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