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otez555 [7]
3 years ago
9

Please could someone help me

Mathematics
2 answers:
lozanna [386]3 years ago
7 0

Answer: Oh my god....sweet heart this is middle school math why don't I know it?!

Step-by-step explanation:

kow [346]3 years ago
4 0

Answer:

290...................

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There is 4 students in the class 3 ran away how many are left?
pochemuha

Answer:

1 student

Step-by-step explanation:

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For questions 1 – 6, find the area of the circle to the nearest hundredth.<br> Any help appriciated!
Ganezh [65]

Step-by-step explanation:

The area of a circle is given by :

A = πr²

r is the radius of the circle

(4) Diameter = 22 cm

Since, radius = diameter/2

r = 11 cm

Now, area of the circle,

A=\pi \times (11)^2\\\\A=380.13\ cm^2

(5) Diameter = 30 cm

Since, radius = diameter/2

r = 15 cm

Now, area of the circle,

A=\pi \times (15)^2\\\\A=706.85\ cm^2

(6) Diameter = 4cm

Since, radius = diameter/2

r = 2 cm

Now, area of the circle,

A=\pi \times (2)^2\\\\A=12.56\ cm^2

So, the area of circles 4,5 and 6 are 380.13², 706.85² and 12.56² respectively.

4 0
3 years ago
Spiral Review A parking garage charges the rates shown. First hour Each hour after the first hour $12.50 $8.75 per hour Write an
lyudmila [28]
I believe it would be 12.50+8.75x=47.50
7 0
3 years ago
Helpp picture about will mark
dezoksy [38]

Answer:

36

Step-by-step explanation:

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8 0
3 years ago
Mark tosses a coin 25 times. What is the probability that it lands on heads exactly seven times?
mezya [45]

Answer:

1.43%

Step-by-step explanation:

we have that we can solve it by means of binomial, in this case m = 25. Also the probability of head is 50%. we need to know when it falls 7 times, therefore x = 7

the formula is:

P (x) = mCx * p ^ x * q ^ (m-x)

we know that p is 0.5 therefore q is equal to 0.5, replacing:

P (7) = 25C7 * 0.5 ^ 7 * 0.5 ^ (25-7)

P (7) = 25! / (7! * (25-7)!) * 0.5 ^ 7 * 0.5 ^ (25-7)

P = 0.0143

that is, the probability is 1.43%

6 0
3 years ago
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