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tiny-mole [99]
3 years ago
7

ILL MARK BRAINIEST IF YOU DO THIS CORRECTLY PLEASE HELP!

Mathematics
1 answer:
snow_tiger [21]3 years ago
3 0

Answer:

The Answer is 5/9 in the simplest form.

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Twelve years ago, Mandy's father was 5 times as old as she. Mandy's father was 28 years older than she. How old is Mandy now?
Sphinxa [80]
Mandy father was 28
Mandy father = 5M=28
M=28/5
Now Mandy will be 28/5+12= 17.6 years
5 0
3 years ago
PLEASE I NEED HELP!!
mylen [45]
Solutions 

<span>Ivy has 4 tiles with pictures of plants and 5 tiles with pictures of animals. Ivy keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns another over tile without looking. What is the probability that the second tile that Ivy turns over has a plant on it. To solve the problem the first step is to find out how many tiles are in total. Since one of the plant tiles were removed we have 3 left. 
</span>
5 + 3 = 8

Now we find the percent by dividing 3 from 8. The top number is called  the NUMERATOR<span> and the bottom number is called the </span>DENOMINATOR<span>.</span>

3 ÷ 8 = 0.375

0.375 x 100 = 37.5

Answer = <span>37.5% 
</span>
= (A) 
3 0
3 years ago
Read 2 more answers
10) Thirty-seven percent of the American population has blood type O+. What is the probability that at least four of the next fi
lisabon 2012 [21]

Answer:

0.06597

Step-by-step explanation:

Given that thirty-seven percent of the American population has blood type O+

Five Americans are tested for blood group.

Assuming these five Americans are not related, we can say that each person is independent of the other to have O+ blood group.

Also probability of any one having this blood group = p = 0.37

So X no of Americans out of five who were having this blood group is binomial with p =0.37 and n =5

Required probability

=The probability that at least four of the next five Americans tested will have blood type O+

= P(X\geq 4)\\= P(X=4)+P(x=5)\\= 5C4 (0.37)^4 (1-0.37) + 5C5 (0.37)^5\\= 0.06597

7 0
3 years ago
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During January 2012, 50 000 new vehicles were sold in Ontario. About 20% of these were leased. How many vehicles were leased?
const2013 [10]

Answer:

10,000 vehicles.

Step-by-step explanation:

20 percent of 50,000 is 10,000.

5 0
3 years ago
A rectangle has a length of (x+4) feet and a width of (+7) feet. The expression 2(x+4)+2(x+7) represents the perimeter of the re
Marta_Voda [28]

Answer:

(x+4)+(x+4)+(x+7)+(x+7)

4 0
3 years ago
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