3 years ago

PLZ ANSWER BRAINLIEST

Mathematics

2 answers:

cricket20 [7]3 years ago

4 0

Answer:

Tom wont need a longer ladder.

Step-by-step explanation:

Allisa [31]3 years ago

4 0

Answer:

No the ladder is long enough.

Step-by-step explanation:

30x30=900

4x4=16

Sq. Root of (900+16)= 30.27ft distance from the ground to the roof, 4 ft away from the house.

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What is the product? (x-5)(2x+3x-1)

Firlakuza [10]

I assume the first term of the trinomial is 2x^2, and you left out the exponent.

Multiply each term of the binomial by each term of the trinomial.
Then collect like terms.

$(x - 5)(2x^2 + 3x - 1) =$

$= x * 2x^2 + x * 3x + x * (-1) - 5 * 2x^2 - 5 * 3x - 5 * (-1)$

$= 2x^3 + 3x^2 - x - 10x^2 - 15x + 5$

$= 2x^3 - 7x^2 - 16x + 5$

5 0

3 years ago

Read 2 more answers

What is the product?

nikitadnepr [17]

Step-by-step explanation:

This is an example of scalar multiplication in matrices.

Just multiply the number outside with each of the number inside for this type of matrix.

That's all.