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Tom [10]
1 year ago
8

Dustin and melanie are playing a game where they roll 2 standard 6-sided number cubes and find the sum of their outcomes. each p

layer gets a chance to guess the correct sum, and the player who guesses the correct sum wins the game. dustin decides to guess a sum of 6. melanie decides to guess a sum of 7. which player made the better decision?
Mathematics
1 answer:
spayn [35]1 year ago
6 0

Answer: Melanie is the correct answer (hopefully)

Step-by-step explanation:

7 is a better decision because its higher than 6 which gets a better chance of winning (sorry for being bad at explaining)

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Find ratio equal to 12:7
Dmitry [639]


12:7
12(2):7(2)
24:14

12:7 = 24:14
I hoped I helped(:
6 0
3 years ago
Read 2 more answers
Two streets bounding your triangular lot make an angle of 74∘. The lengths of the two sides of the lot on these streets are 126
ycow [4]

Answer: a) Yes, there is enough fance

b) 58.1° and 47.9°

c) The city will not approve, because 1/3 of the area is just 2220.5ft²

Step-by-step explanation:

a) using law of cosines: x is the side we do not know.

x² = 126² + 110² - 2.126.110.cos74°

x² = 20335.3

x = 142.6 ft

So 150 > 142.6, there is enough fance

b) using law of sine:

sin 74/ 142.6 = sinα/126 = sinβ/110

sin 74/ 142.6 = sinα/126

0.006741 = sinα/126

sinα = 0.849

α = sin⁻¹(0.849)

α = 58.1°

sin 74/ 142.6 = sinβ/110

sin 74/ 142.6 = sinβ/110

0.006741 = sinβ/110

sinβ = 0.741

β = sin⁻¹(0.741)

β = 47.9°

Checking: 74+58.1+47.9 = 180° ok

c) Using Heron A² = p(p-a)(p-b)(p-c)

p = a+b+c/2

p=126+110+142.6/2

p=189.3

A² = 189.3(189.3-126)(189.3-110)(189.3-142.6)

A = 6661.5 ft²

1/3 A = 2220.5

So 2300 >  2220.5. The area you want to build is bigger than the area available.

The city will not approve

7 0
3 years ago
Find the mean of 81, 97, 99, 89, 91, 76 (round to the hundredths)
Marta_Voda [28]

Answer:

88.83

Step-by-step explanation:

To find the mean of a set of numbers is to find the average a set of numbers.

To solve for the mean you have to add all of the values together and divide that sum by the number of values there are.

Ex. 81, 97, 99, 89, 91, 76

     81 + 97 + 99 + 89 + 91 + 76 = 533

     533 / 6 = 88.83

               ↓

     (number of values)

3 0
3 years ago
What are two numbers that add up to 70 without regrouping?
dedylja [7]
Any of the tens i think (10=60, 20+50, etc.), but i am not too sure what is implied by regrouping. if i am right in thinking this only means "carrying" a digit after adding, then anything that adds up to 70 would work unless the sum of the digits in the ones place exceeded 9. 
6 0
3 years ago
Consider the sequence: 10,6,2,-2,-6, . . . . <br><br> a)graph the first five terms of the sequence
kotykmax [81]

Answer:

-6, -2, 2, 6, 10

Step-by-step explanation:

8 0
3 years ago
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