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Leokris [45]
3 years ago
9

Please help me fast and show all your work please thx ​

Mathematics
2 answers:
Dafna11 [192]3 years ago
8 0

Answer:

Step-by-step explanation:

Area=\frac{1}{2}*(8+5)*2\\\\=\frac{1}{2}*13*2\\\\=13mm^{2}

olga_2 [115]3 years ago
4 0

Answer:

13

Step-by-step explanation:

1/2x(8+5)x2

1/2×13×2

=13

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A professor wants to award prizes for 1st, 2nd, 3rd, 4th and 5th in the class of 30. In how many ways can the prizes be awarded
aniked [119]

Answer:

Selection =  17100720\ ways

Step-by-step explanation:

Given

Students = 30

Positions = 5 i.e. first to fifth

Required

Determine number of selection

1st position = Any of the 30 students

2nd position = Any of the 29 students

3rd position = Any of the 28 students

4th position = Any of the 27 students

5th position = Any of the 26 students

Number of selection is then calculated as:

Selection =  30 * 29 * 28 * 27 * 26

Selection =  17100720\ ways

8 0
3 years ago
a jar contains 6 red jelly beans, 6 green beans, and 6 blue jelly beans if we choose a jelly bean, then another jelly bean witho
seropon [69]
<h3>Answer: 5/51</h3>

======================================================

Explanation:

We have 6 green out of 6+6+6 = 18 total

The probability of getting green is 6/18 = 1/3.

After selecting that green jelly bean and not putting it back, we have 6-1 = 5 green out of 18-1 = 17 total.

The probability of selecting another green is 5/17.

Multiply the two fractions 1/3 and 5/17

(1/3)*(5/17) = (1*5)/(3*17) = 5/51

The probability of selecting two greens in a row is 5/51 where we do not put the first selection back. We also do not replace the green jelly bean with some other identical copy.

Note: 5/51 = 0.098039 approximately

8 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST
OLga [1]

Answer:

$67

Step-by-step explanation:

So 5x12+7=C

PEDMAS so:

5x12 = 60

60+7 = 67

67 = C

8 0
2 years ago
Find the values of x and y
Sergio039 [100]

Answer:

i think

x=36 and y=13

Step-by-step explanation:

4 0
2 years ago
MATH HELP LEASE WILL GIVE BRAINLIEST!!!
Marysya12 [62]
The answer is (22) hope it helps have a great day
8 0
3 years ago
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