MATHEMATICS MIDDLE SCHOOL

If Osa is in a submarine that is 200 feet below sea level and Jill is hiking a mountain and is at 311 feet above sea level, which person is closest to zero ground level?

Answers

Answer 1
Answer:

Answer:

Osa

Step-by-step explanation:

Relative distances

Osa is in a submarine 200 feet under sea level. We can say its distance to sea level is 200 feet

Jill is 311 feet above sea level, her distance to sea level is 311 feet

We can say Osa is closest to sea level

If we consider ground level to the reference where distances are measured from above, then we must say Osa is closest to it because she is below sea level and naturally, closer to the ground below it

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the lemans 24-hour auto race covers 3,107.93 miles. round the distance to the nearest 100 miles.
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Alexis is trying to run a certain number of miles by the endof the month. If Alexis is 40% of the way to achieving hergoal and she has already ran 12 miles, how many miles isshe trying to run by the end of the month?

8 (40+7) = ( 8. ) + (8 7

Answers

the first part is 8 x 40=320
8 x 7=56
320+56 and i am not sure what you have going on on the other half

Help please.........................................

Answers

Answer:

x =-2 and z =-4

Step-by-step explanation:

We need to solve the following systems of equation

-3x-2y+4z = -16       eq(1)

10x+10y-5z = 30      eq(2)

5x+7y+8z = -21        eq(3)

Multiply eq(1) with 10 and eq(2) with 3

-30x-20y+40z = -160

30x+30y-15z = 90

__________________

10y+25z = -70

Divide by 10

2y+5z = -14      eq(4)

Multiply eq(1) with 10 and eq(3) with 6

-30x-20y+40z = -160

30x+42y+48z = -126

__________________

22y+88z = -286

Divide by 11

2y+8z = -26     eq(5)

Subtract eq(4) and eq(5)

2y+5z = -14  

2y+8z = -26      

-    -        +

__________

-3z = 12

z = 12/-3  

z = -4

Putting value of z in eq(4)

2y+5z = -14  

2y +5(-4) = -14

2y = -14 +20

2y = 6

y = 3

Putting value of z and y in eq(1)

-3x-2y+4z = -16

-3x-2(3)+4(-4) = -16

-3x -6 -16 = -16

-3x = -16+16+6

-3x = 6

x = 6/-3

x = -2

Use factoring to rewrite each expression in n equivalent from. Use the fewest number of terms possible. Show each step of your work A. 4×+8+2


B. 3×-12+6×+9

Answers

A. 4x+10

B. 9x+3

These are the answers to the questions. You just add the like terms together and BAM! You're answer. Hope this helps (:

Why is the image of a figure after a translation is congruent to its preimage

Answers


"Translation" means "move it to a different place".

When you buy a hula-hoop or a frisbee and take it home from the store,
its shape doesn't change.  And when you leave home in the morning and
move yourself to school, your shape and size don't change.

Translation does not change the shape or the size of a figure.  All of its
sides and angles are still the same as they were in the original location.
Wherever it may go, it's still congruent to the picture of it that you took
before it moved.

What is the answer to 9x8 2/3

Answers

The answer is 78. This is because you change 8 2/3 into a improper fraction which is 26/3. Then do 26/3×9/1. You should cross cancel so cancel out 3 and change it into 1 and change 9 into 3. So now your problem is 26×3=78.
~JZ
Hope it helps.
9 x 8 2/3.

First, make 9 a fraction: 9=9/1.

Then, make 8 2/3 a improper fraction: 8 2/3=26/3.

Now, we multiply: 9/1×26/3=234/3.

Finnally, we simplify: 234/3=78.

Therefore, the answer is 78.

What is the value of 8 in 8.644.58

Answers

So for the first 8, we need to find the value. The way I would find the value would be to find it's place value. So I know that the 8 is in the millionths period. So the value of the eight would be in the millionths. So I think it would be 8,000,000. So that would be the answer. The 8's value is 8,000,000 because of it being in the millionths period.

Hope that helped! :D
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