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katrin [286]
3 years ago
6

Look at the two equations:

Mathematics
2 answers:
Ray Of Light [21]3 years ago
7 0

Answer:

B

Step-by-step explanation:

Because when you divide an equality then you have to flip the sign since your dividing by a negative.

:)

klemol [59]3 years ago
6 0
Second one is the correct answer
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James was participating in a shot put competition, and threw the shot in the air. The graph below represents the height of the s
Masja [62]

Answer:

the initial height from which the shot was thrown

Step-by-step explanation:

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3 years ago
Please help me with the math below
AnnZ [28]
Sorry a bit messy, with a ratio of 2:5:1, that means 5 would be the longest and your longest piece is 125, diving 125 by 5 gets you 25 cm, this is also your shortest piece since 1x25=25

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2 years ago
A fighter tank targets an enemy helicopter flying at an altitude of 1250 ft. If the ground
madam [21]

By using trigonometric relations, we will see that the angle of elevation must be 55°.

<h3>How to find the angle of elevation?</h3>

We can see this as a right triangle, where one cathetus measures 1250ft (altitude) and the other cathetus measures 875ft.

The angle of elevation is the angle such that the adjacent cathetus is the one measuring 875ft.

Then we can use the relation:

tan(a) = (opposite cathetus)/(adjacent cathetus)

tan(a) = 1250ft/875ft

To find the angle of elevation, we can use the inverse tangent function:

a = Atan(1250ft/875ft) = 55°

The angle of elevation must be 55 degrees.

If you want to learn more about right triangles:

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7 0
2 years ago
What is the relationship between the magic constant (the sum of each row) and the sum of all the numbers in the square? Why does
NARA [144]

Let's say each row sums to 15

If we had 3 rows, then the total sum would be 3*15 = 45

If we added all of the values in the 3x3 magic square, then we'd get 45 as well.

This is one example showing that

sum of all values = (number of rows)*(magic constant)

You can replace "rows" with columns to get the same idea, because each column also adds to the same magic constant. The diagonals are an exception since we only have two of them.

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3 years ago
Ms. chen is getting a new tile floor for her workshop. Her workshop is 15ft long and 11ft wide.
ANTONII [103]
A cause you just gotta think about it and realize you got it
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3 years ago
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