3 years ago

15 POINTS please answer and explain

Mathematics

1 answer:

cestrela7 [59]3 years ago

6 0

There isn't a picture/question, i will edit my answer when you add a question.

I can edit my answer.

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Find (f-g)(x) if f(x)=3x-5 and g(x)=x2-5x+4

solmaris [256]

Answer:

Step-by-step explanation:

Hello,

$(f-g)(x)=f(x)-g(x)=3x-5-(x^2-5x+4)\\\\=3x-5-x^2+5x-4\\\\=-x^2+8x-9$

Thanks

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3 years ago

The formula for the perimeter of a rectangle is 2l + 2w, where l is the length and width. How can you use the Distributive Prope

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Try to find the common factor which is 2.
So:
Multiply by 2 both variables in parenthesis and you get:
2*(l+w)

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bonufazy [111]

Answer:

Step-by-step explanation:

Lateral Area formula: ph (perimeter x height)

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3 years ago

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A set of ordered pairs is called ordered pairs is called

Amiraneli [1.4K]

A set of ordered pairs is called a relation. The set of all first components of the ordered pairs of a relation is the domain of the relation, and the set of all second components of the ordered pairs is the range of the relation. :)

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3 years ago

Which matrix below represents 3 X 3 Identity Matrix (LaTeX: I_{3} I 3).

miskamm [114]

Answer:

Step-by-step explanation:

Matrix D represents 3 x 3 identity matrix.

Because all elements of principal diagonal are 1 and others are zero.

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3 years ago