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astraxan [27]
3 years ago
14

A team of runners is needed to run a 1/4 mile relay race if each runner must run 1/16 mile.how many runners will be needed

Mathematics
2 answers:
svlad2 [7]3 years ago
8 0
1/12 because you subtract 4 and 16 and you get 12
Soloha48 [4]3 years ago
5 0

How we can more simply put what we need in wording?

Basically, we need to find the equal denominator, and find how many 1/16=1/4.

We can find this simply by dividing. To find 1/4 of 1/16, we need to divide 16 by four.

That answer is 4, so the answer would be 4 runners!

Hope this helps!

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ASAP PLEASEEEEEEEE
shtirl [24]

Answer:

x = -122/13 OR 9.3846

Step-by-step explanation:

First, take a look at the second equation. Add 8x to the other side.

-7y= 8x -18

Then, divide by -7 to get a regular "y=" equation.

y= 8/7x -18/7

Move on the the first equation. Let's get "y" by itself. Add 3x to the other side.

y= 3x +15

Considering both equations are equal to Y, set them equal ( except the "y" part )

8/7x - 18/7 = 3x + 15

Multiply all by seven so that there are no fractions.

8x - 18 = 21x + 105

Subtract 8x from both sides.

-17 = 13x + 105

Subtract 105 from both sides.

-122 = 13x

Divide by 13 on both sides.

x = 9.3846

Or if you don't want decimals, just say x = -122/13

Quick Note: I made a mistake. I had looked at the second equation at -18. The answer is incorrect but the method of solving is correct. Also, make sure to plug in the value of x to get Y.

5 0
3 years ago
1
ankoles [38]
We subtract the 17 from the 981 to make the two sides even so it’s easier to calculate, 981 - 17 = 964, then divide that by 2, 964/2 = 482. So your answer is 482.

Would appreciate brainliest!
6 0
2 years ago
How do you isolate the variable in 3x=9
Dominik [7]

Answer:

x = 3

Step-by-step explanation:

you would divide both sides by three to get the x alone giving you

x =  9/3

6 0
3 years ago
Can anybody explain and answer this thoroughly?
Vlad [161]
Answer: Choice B (31, 52)

--------------------------------------

Explanation:

To go from the point (1,2) to (4,7) we do two things:
A) Move 3 units to the right
B) Move 5 units up

Applying the scale factor will multiply those movement steps by 10. So instead of "3 units to the right" we'll go "30 units to the right" since 3*10 = 30. Similarly, we'll move 50 units up instead of 5 (5*10 = 50)

So if we start at (1,2) and move 30 units to the right and 50 units up, then we'll land on (31, 52) which is the image point for the preimage (4,7)

This is why the answer is choice B

-------------

Note: We can alternatively shift both initial points to the left 1 and down 2 so that (1,2) lands on the origin (0,0). That means (4,7) turns into (3,5). Apply the scale factor through multiplying both coordinates by 10. This works only because the reference point is the origin. We end up with (30,50). Now undo the "left 1 and down 2" to "move right 1, up 2" and we arrive at (31,52) which is the same answer as before. So this is further confirmation that the answer is choice B
7 0
3 years ago
Which is larger 0.6 or 3/4?
podryga [215]
3/4 im pretty sure just do 3 divided by 4 to tell
4 0
3 years ago
Read 2 more answers
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