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3 years ago

You start at (6, 8). You move right 4 units and left 2 units. Where do you end?

Mathematics

2 answers:

Sati [7]3 years ago

7 0

Answer:

8,6

Step-by-step explanation:

mestny [16]3 years ago

6 0

You would end up at (8,8)because moving to the right or left would only impact your x column leaving your y column the same

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A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against th

lys-0071 [83]

Answer:
let x=rate of the rowing team in still water
x+4=rate of the rowing team with current
x-4=rate of the rowing team against current
travel time=distance/rate
..
90%2F%28x%2B4%29=10%2F%28x-4%29
90x-360=10x+40
80x=400
x=5  rate of the rowing team in still water=5 mph

4 0

3 years ago

Your help is deeply is appreciated.

MrRa [10]

Answer:

x = 3

Step-by-step explanation:

$\\4x^2-2x=30\\\\x=3\\4(3)^2-2(3)=30\\4(9) - 6 =30\\36 - 6 = 30\\30 = 30 \\\\x=4\\4(4)^2-2(4)=30\\4(16) - 8 =30\\64 - 8 = 30\\56\neq 30$

56 is not equal to 30

6 0

3 years ago

Read 2 more answers

PLEASE SOLVE AND CHECK. SHOW COMPLETE SOLUTION

Alex17521 [72]

Solution:

$\sqrt{4x + 13} = x + 2$

First square both sides.

$= > ( \sqrt{4x + 13} ) ^{2} = (x + 2) ^{2}$

Now, square root and square gets cancel out in the LHS. And in the RHS, apply the identity: (a + b)² = a² + 2ab + b².

$= > 4x + 13 = {(x)}^{2} + 2 \times x \times 2 + (2) ^{2} \\ = > 4x + 13 = {x}^{2} + 4x + 4$

Now, transpose 4x and 4 to LHS.

$= > 4x - 4x + 13 - 4 = {x}^{2} \\$

Now, do the addition and subtraction.

$= > {x}^{2} = 9 \\ = > x = \sqrt{9} \\ = > x = ±3$

Answer:

x = ± 3

Hope you could understand.

If you have any query, feel free to ask.

3 0

2 years ago

If a student has a 85% in a class and he gets gets a 78% will his overall grade go down or up?

jeka94

Answer: Down Because Say if you have a 20% grade that's considered an F and then you work up to fix that grade and get an 80 that's a b so u basically went up a grade

Step-by-step explanation:

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1 year ago

The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. if a 9-kg object st

sergiy2304 [10]

Answer:

I think it is b

Step-by-step explanation:

7 0

3 years ago