Hannah has a biased coin.She is going to throw the coin once.
The probability of getting heads is 0.7
Work out the probability of getting tails.

Answers

Answer 1

Answer: There is a 90% chance of getting tails so yea 0.99

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In a class of 60 students, 5 recieved a grade of A. What fraction of the class did not recieve a grade of A. Reduce in lowest terms

Answers

Ok so if 5 people got an a that means 55 did not receive an a so do 55 over 60 ok they both have a 5 in common 5 goes into 55 11 times and5 goes into 60 12 times so your answer is 11/12

60 minus 5 = 55
55/60 simplified = divide both by 5 = 11/12

The first one to answer gets ( a best answer )

Answers

Step-by-step explanation:

1- 9.34

2- 5.85

3- 40.14

Hope this can help you

Answer: 1) 9.34, 2) 5.85,

Step-by-step explanation:

Please answer correctly !!!!!!!! Will mark brianliest !!!!!!!!!!!

Answers

Answer:

x=6

Step-by-step explanation:

h(x) = -( x-2)^2 +16

We want when h(x) = 0

0 = -( x-2)^2 +16

Subtract 16 from each side

-16 = -( x-2)^2 +16-16

-16 = -( x-2)^2

Divide by -1

16= ( x-2)^2

Take the square root of each side

±sqrt(16) = sqrt(( x-2)^2 )

±4 = x-2

Add 2 to each sdie

2 ±4 = x-2+2

2+4 = x 2-4 =x

6 =x -2 =x

since time cannot be negative

x=6

-7/9 x 144 vbnbvcrxecvbnbvtcrxercvb

Answers

The first step to solving this expression is to reduce the numbers with 9.
-7 × 16
Now we need to multiply the two numbers together using the Rules of Signs for Multiplication. They state that multiplying a negative and a positive equals a negative: (-) × (+) - (-). Keeping this in mind,, when you multiply the two numbers together you should get -112.
Let me know if you have any further questions
:)

Find the volume of the attached figure...Help please!!! I'll give brainliest if you explain your answer!!!

Answers

Answer:

82.5 cubic inches

Step-by-step explanation:

Given pentagonal prism.

The base is a regular pentagon with side of 4 in and the distance from the center to side 2.75 in.

By connecting the center to each vertex we get 5 equal triangles with side of 4 in and height of 2.75 in.

Find the base area:

B = 5*1/2*4*2.75 = 27.5

Find the volume:

V = Bh
V = 27.5*3 = 82.5

The volume is 82.5 cubic inches

First find the area of the pentagon. The equation for this is Area = pa/2, with p being the perimeter and a being the apothem (2.75in). The perimeter is 4*5, since there are five sides and one of them is four inches. This means the perimeter is 20 inches. Back to the equation, 20*2.75 = 55. 55/2 = 27.5in^2.

Next, multiply by the height. This shape’s height is 3 inches. 27.5*3 = 82.5.

The volume is 82.5 in^3

the radius and height of a cylinder are in the ratio 5:7.if it's volume is 4400cm cube, find the radius of the cylinder