MATHEMATICS MIDDLE SCHOOL

The equation d=3t represents the relationship between the distance (d) in inches that a snail is from a certain rock and the time (t ) in minutes. How far will the snail be from the rock after 9 minutes?

Answers

Answer 1
Answer:

Answer:

d=27

Step-by-step explanation:

d=3t, and t=time, and time=9 so d=3(9), so d=3*9, 3*9=27, so d=27.

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John and Bill walk towards to each other’s house. If both leave at 10 am, they meet 10 minutes later. If Bill leave 3 minutes later then John, they’ll meet 9 minutes after Bill leaves. How long does it take for Bill to walk to John’s house?

Answers

I do not now but i think it 7  minutes because he left 3 minutes later.I help

suppose you have 192 marbles in groups of 15 marbles each. Find the number of groups of marbles that you have. Write the quotient with the remainder written as a fraction. Explain wha th faction part of your answer means.

Answers

so if you have 192 marbles and you want to group them in groups of 15 marbles each
you would see how many times 15's there are in 192 or how many 192's would go into 15

so 192/15 or 
12 and 12/15

The correct answer is:

12 12/15, or 12 4/5.

Explanation:

15 goes into 192 12 times. 15(12) = 180. This leaves us a remainder of 192-180 = 12. This gives us 12 12/15.

Both 12 and 15 can be divided by 3; (12÷3)/(15÷3) = 4/5.

This gives us 12 4/5.

What is the LCM of 2 and 5

Answers

To find the LCM of 2 and 5. We have to find the numbers in between them
2: 1,2
5: 1,5
By looking at the LCM of 2 and 5, we know that 1 is the LCM of 2 and 5.
I think the answer is 10

60x-3x to the second power divided by 3x

Answers

one way is to find ones or factors
example 4/2=2/2 times 2/1=1 times 2/1

then we undistribute the factor
we want a factor of 3x to make a one
60x=3x times 20
-3x^2=3x tiimes -x
use undistributive property which is
ab+ac=a(b+c)
so
60x-3x=3x(20)+3x(-x)=3x(20-x)
so now we have
[3x(20-x)]/3x=(3x/3x) times (20-x)/1=1 times 20-x=20-x

answer is 20-x

Plzzzzzzzzzzzzzzzzz help quick

Answers

Answer:

y=-2x-7 D

Step-by-step explanation:

The center of a soccer field has an area of 100\pim squared. Find the circumference of the center circle.

Answers

The formula for the area of a circle is A=πr². To find the circumference, we must find the radius, r. To do this, we plug in the area for A in the first formula, then plug it in to the circumference formula:
100 \pi = \pi r^(2) \n (100 \pi )/( \pi ) = ( \pi r^(2) )/( \pi ) \n 100= r^(2) \n √(100)= \sqrt{r^(2) } \n r=10m

Now we know that r=10 meters. Now we plug this into the circumference formula, C=2πr.
C=2 \pi 10 \n C=20 \pi

The answer is 20π meters.

Hope this helps!
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