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levacccp [35]
2 years ago
8

Divide 42 in a ratio of 1:2:3

Mathematics
2 answers:
Ghella [55]2 years ago
8 0
I guessed and check since it is a small number and found that 7+14+21 adds up 42 matching your ratio.
Vilka [71]2 years ago
4 0

the ratio in which 42 should be divided is 1:2:3

the sum of the parts of the ratio is - 1 + 2 + 3 = 6

this means that there's a sum of 6 parts

so we need to find how much 1 part is equivalent to

if 6 parts are equivalent to 42

then 1 part is equivalent to - 42/6 = 7

so the ratio should be 1:2:3

1 part - 7

2 parts - 7 x 2 = 14

3 parts - 7 x 3 = 21

therefore 42 divided into 1:2:3 ratio is as follows

7 : 14 : 12

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A bicycle wheel is 63 centimeters from top to bottom. When the wheel goes all the way around one time,the bicycle travels 198 ce
OlgaM077 [116]

Answer:

π = 198/63

Divide the distance traveled by the wheel to guess the value or estimate the value of π.

Step-by-step explanation:

Height of the wheel: Diameter of the circle

Perimeter of the circle = π*diameter of the circle

Divide the diameter of the circle by the perimeter of the circle.

π = 198/63

<em><u>Hope this helps.</u></em>

8 0
2 years ago
Witch of the functions below could possibly have created this graph? A.f(x)-x^5+2x^4-3x B.f(x)=-1/3x^4+7x^2+15 C.f(x)=1.9x^8+15x
soldi70 [24.7K]

B.f(x)=-1/3x^4+7x^2+15

Step-by-step explanation:

You can use a graph tool to graph the function a visualize the behavior.

Using a graph tool, the function,.f(x)=-1/3x^4+7x^2+15 could possibly have created the graph. See attached graph for the function.

Learn More

Graphs of polynomial function: brainly.com/question/12373761

Keywords: functions, created, graph

#LearnwithBrainly

3 0
2 years ago
3 semicircles are connected to 3 sides of a square. Each side of the square measures 4 centimeters. What is the area of the comp
netineya [11]

the square area is 4x4 is 16

each semicircle has a diameter of 4cm.

area of a semicircle is pi * r^2/2

3.14*2^2/2=6.28

since there are 45 sides of a square, 6.28x3=18.84

add 18.84 and 16.

34.84 is your answer.

3 0
2 years ago
Read 2 more answers
The Magazine Mass Marketing Company has received 14 entries in its latest sweepstakes. They know that the probability of receivi
pav-90 [236]

Answer:

0.8759 is the probability that no less than 4 of the entry forms will include an order.    

Step-by-step explanation:

We are given the following information:

We treat subscription order with an entry form as a success.

P(subscription order with an entry form) = 0.4

Then the number subscription order with an entry form follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 14

We have to evaluate:

P(x \geq 4) =1 - P(x = 0) - P(x = 1) - P(x = 2) - P(x = 3) \\= 1 - (\binom{14}{0}(0.4)^0(1-0.4)^{14} + \binom{14}{1}(0.4)^1(1-0.4)^{13} + \binom{14}{2}(0.4)^2(1-0.4)^{12} + \binom{14}{3}(0.4)^3(1-0.4)^{11})\\=1-(0.0007+0.0074+0.0317+0.0846)\\= 0.8756

0.8759 is the probability that no less than 4 of the entry forms will include an order.

6 0
2 years ago
Joanie runs the concession stand for the school's baseball games. At each game, the best selling items are pretzels and hot dogs
timama [110]
3p+2h=195

p + 15 = h

3p + 2(p + 15) = 195

3p + 2p + 30 = 195

5p = 165 (combine like terms and isolate your variable)

p = 33

33 + 15 = 48 (plug 33 into your original second equation)

ANSWER: 33 pretzels and 48 hotdogs
**You can plug these into your original (first) equation to check your answer
6 0
2 years ago
Read 2 more answers
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