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Lunna [17]
2 years ago
15

6th grade math help me pleaseeee

Mathematics
1 answer:
Helga [31]2 years ago
4 0

Answer:

First one.

Step-by-step explanation:

0.3/3=0.1 ==> 0.1$ per meter

0.77/7 ==> 0.11$ per meter

The first option is cheaper, therefore better to buy if you agree with "the cheaper. the better".

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Joe runs each lap in 5 minutes. He will run at least 12 laps today. What are the possible numbers of minutes he will run today?
worty [1.4K]

Answer:

at least 60 min (1 hour)

Step-by-step explanation:

we know that a lap takes 5 min.

and we know he will run At least 12 laps

that means that the least number of min.he can run is 5x12=60

So, 60min is the answer

8 0
3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST!!!!!!!!!
Ann [662]

Answer:

D

Step-by-step explanation:

D is on the same plane as A, B, and C

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3 years ago
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Simplify as much as possible: square root 24 divide by square root 12
juin [17]
Sqrt24 / sqrt12  =  sqrt(24/12)  = sqrt 2
3 0
3 years ago
A train traveling at a constant speed takes a passenger from Elm to Millwood, stopping at Centre along the way. It takes 2004-01
ZanzabumX [31]
The complete problem is as following:
A train traveling at a constant speed takes a passenger from Elm to Millwood, stopping at Centre along the way. It takes 5 times as long to go from Centre to Millwood as it does to go from Elm to Centre. The entire trip is 48 miles. How far is the ride from Centre to Millwood? Name a geometric postulate or theorem used to find the solution. 
A) 8 miles ; segment addition postulate 
B) 8 miles; segment bisector theorem 
C) 40 miles; segment addition postulate 
D) 40 miles; segment bisector theorem
=======================================================
Solution ;
Let the time taken from Elm to Centre = x  ⇒⇒⇒ segment (1)

∴ the time taken from Centre to Millwood = 5x  ⇒⇒⇒ segment (2)

∴ Total time of all the trip = x + 5x = 6x
The entire trip is 48 miles and the train traveling with constant speed
∴ speed = distance over the time = \frac{48}{6x} =  \frac{8}{x}
So, the distance from Centre to Millwood = speed * time = \frac{8}{x} * 5x = \framebox{40 \ miles}
As seen in the answer, we have added the segment (1) to segment (2)
So, The geometric postulate used to find the solution is segment addition postulate

So, the correct option is C) 40 miles; segment addition postulate

=======================================================
Another solution :
From Elm to Centre = x ⇒⇒⇒ segment (1)
From Centre to Millwood = 5x ⇒⇒⇒ segment (2)
∵ The train traveling with constant speed 
∴ Distance is proportional with the time
By using the ratio and proportional as following 

Segment (1) : segment (2) : Total \\ \ \ 
. \ \ \ \ \ \ \  x \ \ \ \  \ \  :  \ \ \ \ \ 5x \ \ \ \ \ \ \ : \ \ 6x \\
. \ \ \ \ \ \ \  ? \ \ \ \  \ \  :  \ \ \ \ \ \ \ ? \ \ \ \ \ \ \ \ : \ \ \ 48

∴ segment (2) = \frac{48 * 5x}{6x} = \framebox {40 miles}


we have used the postulate of segment addition to add x and 5x.

So, the correct option is C) 40 miles; segment addition postulate
4 0
3 years ago
You are taking a quiz that has 11 multiple-choice questions. If each question has 4 possible answers, how many different ways ar
Phoenix [80]

Answer:

44

Step-by-step explanation:

11 times 4 equals 44

8 0
3 years ago
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