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Delvig [45]
4 years ago
8

How are mathematical proofs helpful?

Mathematics
1 answer:
romanna [79]4 years ago
3 0

Answer:

A mathematical proof is a deductive argument for a mathematical statement, showing that the stated assumptions reasonably warrant the conclusion.

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A rectangular swimming pool is 8 ft deep. One side of the pool is 3.5 times longer than the other. The amount of water needed to
Dovator [93]

Answer:

Dimension of pools are  length = 42 ft , width = 12 ft and depth = 8 ft that is 42ft × 12ft × 8 ft

Step-by-step explanation:

given that depth of pool = 8 ft

let say one side of pool that is width = x

so other side of pool that is lenght = 3.5x [ given ]

volume of rectangular swimming pool is same as amount of water required to fill the swimming pool = 4032 cubit ft

Volume of rectangular pool = length × width × depth of swimming pool

⇒ 4032 cubic ft = 3.5x × x × 8

⇒ 4032/(3.5 ×8 ) = x²

⇒x² = 144

⇒x = √144 = 12

⇒3.5x = 12 × 3.5 = 42

hence dimension of pools are  length = 42 ft , width = 12 ft and depth = 8 ft that is 42ft × 12ft × 8 ft

Step-by-step explanation:

6 0
3 years ago
Walter car gets 41 miles per gallon. Walter is planning a vacation which is 372 miles away. How many gallons of gas will Walter
maw [93]
372 x 2 = 744
744/41 = 18.146 or 18.2 gallons of gas rounded
If they want a whole number 18.2 rounds down to 18.
6 0
3 years ago
Which of the following ways can be used to determine whether a linear relationship is proportional? Select all that apply.
svetlana [45]

Answer:

I think its b

Step-by-step explanation:

Sorry if im wrong :(

6 0
3 years ago
These numbers tell how many books five different students read in the past six months. 8, 11, 15, 22, and 6 a) Create a differen
Anastaziya [24]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

Origibal data set

8, 11, 15, 22, 6

Rearranging The value :

x : 6, 8, 11, 15,22

Mean = Σx / n

n = sample size =5

Mean = (6+8+11+15+22) = 62

Mean = 62 / 5 = 12.4

Median = 1/2(n+1)th term

Median = 1/2(6)th term = 6/2 = 3rd term = 11

A.)

X = 4, 5, 15, 23, 19

MEAN = (4 +5 + 15 + 23 + 19) / 5 = 13.2

B.)

X = 2, 6, 5, 23, 34

Mean = (2+6+5+23+24) / 5

Mean = 60 / 2 = 12

C.)

X = 3, 7, 12, 21, 13

X = 3, 7, 12, 13, 21

Mean = (3+7+12+13+21) /5 = 11.2

Median = 1/2(6)th term = 6/2 = 3rd term = 12

6 0
3 years ago
The dance team spent $425 buying pizzas for their fundraiser and sold them for $7.25 each. If the team made a profit of $176.75,
Igoryamba
Im pretty sure is b) 83 pizzas because 83 times 7.25 is equal to 601.75 and then if you subtract that by 425 you get 176.75
4 0
3 years ago
Read 2 more answers
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