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nirvana33 [79]
3 years ago
10

A coin is biased to display heads 75% of the time . It’s tossed 20times and the out comes are recorded the most improbable simul

ation for this coin is __ heads
9
13
14
15
Mathematics
1 answer:
Sergio [31]3 years ago
7 0

Multiply the number of tosses by the percent of heads:

20 tosses x 0.75 = 15

The answer is 15.

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Stacia needs enough ribbon to wrap around the length and height of a box. If the length is 2 feet and the height is 4 inches how
erik [133]

Answer:

144 inches.

Step-by-step explanation:

We have been given that Stacia needs enough ribbon to wrap around the length and height of a box. The length is 2 feet and the height is 4 inches. We are asked to find the inches of ribbon that Stacia needs.

The inches of the ribbon that Stacia needs will be equal to perimeter of rectangle. We know that perimeter of rectangle is two times sum of length and height.

\text{Perimeter of the box}=2(\text{Length+Height})

\text{Perimeter of the box}=2(2\text{ ft}+4\text{ ft})

\text{Perimeter of the box}=2(6\text{ ft})

\text{Perimeter of the box}=12\text{ ft}

Now we will convert feet into inches.

1 feet = 12 inches

12 feet = 12*12 inches = 144 inches.

Therefore, Stacia needs 144 inches of ribbon.

7 0
4 years ago
Read 2 more answers
A turtle was swimming 2 feet below the surface of a pond. While looking for food, he went down 7 more feet.
Mekhanik [1.2K]

Answer: 9 feet below or -9 feet

Step-by-step explanation:

   Let us say 0 is the surface of a pond. The turtle started at -2 and then traveled -7 more. We will add these negative values to each other.

-2 + -7 = -2 - 7 = -9

          The turtle is now -9, or 9 feet below, the surface of the pond.

<em>Read more about </em><em>your question</em><em> here:</em>

<em>brainly.com/question/17534933</em>

8 0
2 years ago
Math. help. please. help. math homework sucks.
slamgirl [31]
21.c

22.d

23.a

24.c
25.b
8 0
3 years ago
Read 2 more answers
What value of b will cause the system to have an infinite
m_a_m_a [10]

Answer:

b=6

Step-by-step explanation:

<u><em>The correct question is</em></u>

What value of b will cause the system to have an infinite number of solutions?

y = 6x – b

–3x + 1/2y = –3

we have

y=6x-b ----->equation A

-3x+\frac{1}{2}y=-3 -----> equation B

we know that

If the system has infinite number of solutions then, the equation A must be equal to the equation B

so

isolate variable y in the equation B

-3x+\frac{1}{2}y=-3

Multiply by 2 both sides

-6x+y=-6

y=6x-6 -------> new equation B

To find out the value of b, equate equation A and equation B

6x-b=6x-6

b=6

4 0
3 years ago
The bumper car ride at the state fair has three red cars,four green cars,and two blue cars.Joe is first in line for the ride and
sp2606 [1]
The answer is B.33.3%
7 0
3 years ago
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