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max2010maxim [7]
3 years ago
12

harmony places the letters of December into a bag. a letter will be randomly selected and not replaced. then the other letter wi

ll be selected. what is the probability of harmony selecting a C and then E?
Mathematics
1 answer:
Rashid [163]3 years ago
4 0

Answer:

1/56

Total letters are 8

probability of first selecting c is 1/8 and since it's not replaced, probability of selecting e is 1/7

Total probability= 1/8*1/7=1/56

Therefore, total probability is 1/56

Step-by-step explanation:

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2. The rectangular floor of a garage has an area of 198 square feet. Andy knows that the floor is 7
Charra [1.4K]

Answer:

length = 18 ft

Step-by-step explanation:

Let w = width

L = w+7

Area = l*w

198 = (w+7) (w)

Distribute

198 = w^2 +7w

Subtract 198 from each side

0 = w^2 +7w -198

Factor

What 2 numbers multiply to -198 and add to 7

18* -11 = -198

18+-11 = 7

0=(w+18) (w-11)

Using the zero product property

w+18 =0  w-11=0

w= -18   w=11

We cannot have negative width  so w=11

We want the length

l = w+7

l = 11+7 = 18

6 0
3 years ago
Guys I need the right answer ASAP PLZ read the question and give me a STEP BY STEP EXPLANATION with the correct answer plz I nee
Gwar [14]

Answer:

Number 3

Step-by-step explanation:

The reason this is so is because he is looking for the amount of peaches he can buy. The equation that is number one represents that because it say 3.18 + 1.19p ≤ 10.00 showing that he wants an amount of peaches that costs less than 10.00. 1.19p standing for the amount of peaches and 3.18 representing the pomegranates.

5 0
4 years ago
What is f(-2)?<br> -3 <br> -1<br> 1<br> 3
Dima020 [189]

Answer:

nc

Step-by-step explanation:

ccccdcdc

7 0
3 years ago
Read 2 more answers
Geometry..............
Ivanshal [37]

Answer:

Probability of finding girls given that only English students attend the subject =33/59

Step-by-step explanation:

Given that during English lesson, there is no other lesson ongoing. The probability of getting girls in that class only will be equivalent to 33/59 since we expect a total of 59 students out of which 33 will be girls. Similarly, in a Maths class given that only Maths students attend the class, probability of having a girl is 29/61 since out of all students, only 29 prefer Maths and the total class attendance is 61

8 0
3 years ago
What are the solutions to cos 2x = - 1​
N76 [4]

Answer:

X can be - 1/2 or 0.5

2x0.5=-1

Step-by-step explanation:

4 0
3 years ago
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