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scoray [572]
3 years ago
7

Three fair coins are flipped. What is the probability of getting more heads than tails? The probability of getting more tails th

an heads?
Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
8 0
Half half for both (since all three are fair coins). 

If you actually write it out, the choices are: HHH, HHT, HTT, HTH, TTT, TTH, THT, THH.  
You might be interested in
FORMULA TO FIND THE PERIMETER OF A RECTANGLE​
nlexa [21]

Answer:

Length × Width is correct answer

8 0
2 years ago
Find the length of side a.<br> 10<br> A<br> 6<br> A. 4<br> B. 64<br> C. V 136<br> D. 8<br> PREVIOUS
dedylja [7]

Answer:

D .8

Step-by-step explanation:

hypotenuse (h) = 10

base (b) = 6

perpendicular (p) = a= ?

We know by using Pythagoras theorem we get

p = √ h² - b²

a = √ 10² - 6²

a = √ 64

a = 8

Hope it will help :)

8 0
2 years ago
The density of a certain material is such that it weighs 71 pounds for every 2.5 gallons of volume. Express this density in tons
kvasek [131]

Answer:

d=3.75\ \text{tons per cubic meter}

Step-by-step explanation:

Given that,

Mass of a certain material, m = 71 pounds

Since, 1 ton = 2000 pounds

71 pounds = 0.0355 ton

Volume of the material, V = 2.5 gallons

Since, 1 m³ = 264.172 gallon

2.5 gallon = (2.5/264.172 ) m³

Density,

d=\dfrac{m}{V}\\\\d=\dfrac{0.0355\ \text{tons}}{\dfrac{2.5}{264.172}\ m^3}\\\\d=3.75\ \text{tons per cubic meter}

5 0
2 years ago
I need help to this question:Country Carpets charges $22 per square yard for carpeting, and an additional installation fee of $1
Iteru [2.4K]

Answer:

The total cost charged by the two companies will be the same for 10 square yards of carpeting .

Step-by-step explanation:

Let us assume that the number of square yards for carpeting  used be x.

Let us assume that the total cost of the  charged by the companies be y.

As given

Country Carpets charges $22 per square yard for carpeting, and an additional installation fee of $100.

Than the equation becomes

y = 22x + 100

As given

City Carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70.

Than the equation becomes

y = 25x + 70

Than the two equations are

y = 22x + 100 and y = 25x + 70

Than compare the two equations are

22x + 100 = 25x + 70  

25x - 22x = 100 - 70

3x = 30

x = \frac{30}{3}

x = 10 square yards .

Therefore the total cost charged by the two companies will be the same for 10 square yards of carpeting .


3 0
3 years ago
The students in the Service Club are mixing paint to make a ural. The table below
maw [93]

Answer:

two different shades of what I think is pink.

1/3 is equal to 2/6 which is equal to 3/9

1/2 is equal to 2/4 which is equal to 4/8

The bolded ones are the original mixtures given.

Start with 1/3 Multiply top and bottom by 2 and you get 2/6

When you multiply top and bottom of 1/3 by by 3 you get 3/9

Use the same idea for 1/2

Step-by-step explanation:

Start with 1/3 Multiply top and bottom by 2 and you get 2/6

When you multiply top and bottom of 1/3 by by 3 you get 3/9

Use the same idea for 1/2.

4 0
3 years ago
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