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3 years ago

Find a basis for the row space and column space of a matrix and the rank .

Mathematics

1 answer:

ANEK [815]3 years ago

7 0

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Find the quotient: -18 ÷ (-9)

aivan3 [116]

Answer:

Step-by-step explanation:

negative numbers dividing with negative have positive quotients

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2 years ago

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What is the surface area of the rectangular pyramid below?

mezya [45]

Answer:

A. 675 units²

Step-by-step explanation:

The formula for the surface area of a square pyramid is ...

A = s(s +2h)

where s is the side length of the base, and h is the slant height of a face.

<h3>use the formula</h3>

The given pyramid has s=15 and h=15, so the surface area is ...

A = (15)(15 +2×15) = 15(45) = 675 . . . square units

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2 years ago

The coordinates below lie on the line with the given slope. find the missing coordinate value. (2,2) (5,y) slope = 2

vodka [1.7K]

Step-by-step explanation:

Hey there!

The given points are; (2,2) and (5,y).

Slope (m) =2

Using formula for slope, we get;

$m = \frac{y2 - y1}{x2 - x1}$

Put all values.

$2 = \frac{y - 2}{5 - 2}$

Simplify it to get value of"y".

$2 = \frac{y - 2}{3}$

$6 = y - 2$

$y = 6 + 2$

Therefore, y= 8.

Hope it helps...

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4 years ago

Which statements include two quantities in the real world that are additive inverses?

galben [10]

It would be the answer with Juana. Additive integers are adding a postive and negative number to add to zero ex) -5+5=0. So in this situation you can think of west and east as positive and negative.

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3 years ago

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joja [24]

Answer:

Scale factor = 2

Step-by-step explanation:

Scale factors deal multiplication. So, you would need to find a number to multiply by 6 to get 12. You can do this by doing 12 / 6.

12 / 6 = 2

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3 years ago

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