3 years ago

How do we use the Pythagoras theorem in "everyday life".

1 answer:

5 0

I use it all the time, but as my profession is engineering, mathematics is integral in my everyday life. I usually do it when evaluating for the magnitude of vector force components. Usually in 2D space, so Pythagorean theorem is quite useful.

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Simplify <br> (7y+4)(8y+2)

lesantik [10]

Answer:

56y^2+46y+8

Explanation:

Hope this helps you.

6 0

1 year ago

Factor 125x^3-1000. Show your work.

Salsk061 [2.6K]

The left term is (5x)³.

The right term is 10³.

So, you can use the formula for the factorization of the difference of cubes.

... a³ - b³ = (a-b)(a² +ab +b²)

Here, you have a=5x, b=10, so the factorization is

... 125x³ -1000 = (5x-10)(25x² +50x +100)

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3 years ago

Select the ordered pairs that represent solutions to the system of inequalities.Select all that applyAnswer choices:(-6, 3)(-3,

Nadya [2.5K]

We can verify this with the graph

(-6, 3) NO

(-3, 3) NO

(-5, 0) NO

(-4, 2) YES

(0,0) NO

(-6, 6) YES

(-3, -6) NO

(-4.0) YES

the area where the solutions are in the yellow area

5 0

1 year ago

Plz help me with this math problem

Afina-wow [57]

Answer:

what are the select options?

Step-by-step explanation:

6 0

3 years ago

[3.2×(6.1+6.3)]-2.8=

iris [78.8K]

Answer:

36.88

Step-by-step explanation:

6.1 + 6.3 = 12.4

3.2 x 12.4 = 39.68

39.68 - 2.8 = 36.88

4 0

3 years ago