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tatiyna
3 years ago
15

Melia can travel 22 1/2 miles and 1/3 hour what is her average speed in miles per hour

Mathematics
2 answers:
Licemer1 [7]3 years ago
5 0

Answer:

It is 67.5

Step-by-step explanation:

You will need to first turn the mixed fraction to improper fraction and you will get (45/2) divided by 1/3= (45/2)/(1/3)=135/2=67.5. So he travel 67.5

Sladkaya [172]3 years ago
3 0
67 1/2 mph

Step by step: if 22 1/2 is 1/3 of an hour than you would multiply it by 3.
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Find the midpoint of the segment below and enter its coordinates as an
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Answer:

(2,5)

Step-by-step explanation:

(X<em>m</em>, Y<em>m</em>)= ( (x1+x2)/2, (y1+y2)/2 )

= (5 + (-1))/ 2, (5+5)/2

= (4)/2, (10)/2

= 2, 5

3 0
2 years ago
Find the area of the circle. Round you answer to the nearest hundredth.
m_a_m_a [10]

Answer: well first you need to send the picture

Step-by-step explanation:

1. Take the picture

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3 0
3 years ago
How many miles did Dan travel if he drove 62 mph for 3.5 hours?
solong [7]

Answer:

217

Step-by-step explanation:

62x3=186+ .5 of 62 which is 31

186+31=217

4 0
3 years ago
I'm solving systems and I don't understand how to do it pls helpp
kaheart [24]

Answer:

Use the process of elimination. I'll only do one example since you have 4.

Step-by-step explanation:

Let's do the first question.

2x-3y=-11

2x+y=9

Our goal here is to be left with one variable to solve, this way we can use the answer for that variable to find the other. A.K.A only find X to plug into the equation to find Y. To do this, we'll use the process of elimination, in which we need to cancel out a variable.

X seems the easiest here. To cancel 2 (in the top equation), you need to have a -2. And that -2 needs to be the x coefficient in the 2nd equation, in order for us to "cancel" it out. To get -2, you multiply 2 by -1.

-1(2x+y)= -1(9)

Note that whatever you do to one side, you need to do it to both sides! Hence, why I also multiplied 9 by -1. You should now be left with:

-2x -y = -9

Now, we cancel out the positive 2 and -2 from both equations by adding the two equations.

2x-3y= 11

+

-2x-y=-9

X cancels out, so we're left with -4y=-20. Solve for Y, which is 5.

-4y=-20

y=5

Now that you have the Y value, plug it into any of the two equations to find your X value.

2x-3y=11

2x-3(5)=11

2x-15=11

2x=26

x=13

And voilah! Our Y value is 5, and our X value is 13.

It's pretty simple once you understand what's going on. All that we did was to cancel out one variable (either X or Y) in the two equations so that we're left with only one variable to solve. If we cancel out X, we only need to solve for Y. You do this by manipulating one of the two equations (doesn't matter which one). Once you find either X or Y, all you need to is to plug it into one of the original equations. Then, you'll have both X and Y.

And that my friend, is the process of elimination. Good luck!

8 0
2 years ago
Read 2 more answers
Are the expressions 12a + (6+3a) and 3(5a + 2) equivalent show your work and explain
bezimeni [28]
12a + 6 + 3a = 15a + 2
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0 = - 4
8 0
3 years ago
Read 2 more answers
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