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ehidna [41]
3 years ago
6

Please help me!!!!!!!​

Mathematics
1 answer:
iris [78.8K]3 years ago
4 0

Answer:

7 lenth

Step-by-step explanation:

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Given P(A)=0.5P(A)=0.5, P(B)=0.71P(B)=0.71 and P(A\cap B)=0.415P(A∩B)=0.415, find the value of P(A|B)P(A∣B), rounding to the nea
Marysya12 [62]

Answer:

0.585

Step-by-step explanation:

P(A|B) = P(A∩B) / P(B)

P(A|B) = 0.415 / 0.71

P(A|B) = 0.585

8 0
3 years ago
Mrs. Smith is creating a rectangular flower bed such that the width is half of the
Brilliant_brown [7]

Answer:

As for this problem, we will first establish that the length of the flower bed be represented as x, the width of the flower bed be represented as x/2 ,and the area of the flower bed be taken as it is since it is given. We then follow the formula for area which is length multiplied to width which is:

A = LW

we then substitute them

34 square feet = x (x/2)

now all we need to do is find x first.

34 square feet = x squared / 2

now do a cross multiplication

68 square feet = x squared

then get the square root of both sides

8.246 feet = x

Since x is equal to the length of the flower bed, all we have to do to get the width of it is to divide it by 2. So...

W = x/2

W = 8.246 feet / 2

W = 4.123 feet

And since the problem asked it to find the width of the flower bed to the nearest tenth of a foot, the answer would be 4.1 ft.

6 0
3 years ago
Mary had a 3-inch piece of ribbon. She cut it in half. How long were they new pieces
allochka39001 [22]

Answer:

1 and a half inches long

Because that 3 divided by 2 is 1.5.

7 0
3 years ago
Read 2 more answers
-92 + -68 ? pls hurry !
Bezzdna [24]

Answer:

its -160

Step-by-step explanation:

:)

7 0
3 years ago
Allison practices her violin for at least 12 hours per week. She practices for three fourths of an hour each session. If Allison
dolphi86 [110]

Answer:

Sessions needed= 12

Step-by-step explanation:

Giving the following information:

Total hours= 12 hours

Practice= 3/4= 0.75 of an hour

Already practiced= 3 hours

<u>First, we need to determine how many minutes does she practice each session:</u>

Minutes per session= 0.75*60= 45 minutes

<u>Now, we divide the total practice in minutes required for the minutes per session:</u>

Sessions needed= (9*60) / 45

Sessions needed= 12

8 0
3 years ago
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