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3 years ago

What is the value of x?

Mathematics

2 answers:

Nat2105 [25]3 years ago

5 0

I think the answer would be B. 4 cm

deff fn [24]3 years ago

4 0

Answer:

5cm

Step-by-step explanation:

Since we know that the two corners are congruent, then if we have one side of a shape the opposite will be congruent.

We know that for the larger triangle one side is 32 cm and the opposite if 4 cm. 32 cm / 4cm = 8cm.

x is opposite of 40 cm, so we do 40cm/ 8cm = 5cm.

It was kinda hard to explain but hope this helped at least a little bit.

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Tyler’s mom purchased a savings bond for Tyler. The value of the savings bond increases by 4% each year. One year after it was p

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3 years ago

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3 years ago

I'll mark as Brainliest, Please answer ASAP, Ihave MCAS tomorrow. How could this be true?? Please Explain.

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Put m+2 in place of 'x'

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2 years ago

How does the description of the story's setting in paragraph 2 influence the plot?

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Step-by-step explanation:

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3 years ago

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Write each expression as a product of linear factors 1. X^2+1/2x 2. X^2+2x-3 3. (2x-3)^2 4. X^3+2x^2-19x-20

Grace [21]

Answer:

1. X^2+1/2x = $x(x+\frac{1}{2})$

2. X^2+2x-3 = $(x-1)(x+3)$

3. (2x-3)^2 = (2x-3)(2x-3)

4. X^3+2x^2-19x-20 = $(x+1)(x-4)(x+5)$

Step-by-step explanation:

Each expression can be written as a product of linear factors as follows

1. X^2+1/2x ⇒ $x^{2} + \frac{1}{2}x$

$x^{2} + \frac{1}{2}x$ = $x(x+\frac{1}{2})$

Hence, X^2+1/2x = $x(x+\frac{1}{2})$

2. X^2+2x-3 ⇒ $x^{2} +2x-3$

$x^{2} +2x-3 = x^{2} +3x-x-3$

$x^{2} +3x-x-3 = x(x+3) -1(x+3)$

$x(x+3) -1(x+3) = (x-1)(x+3)$

Hence, X^2+2x-3 = $(x-1)(x+3)$

3. (2x-3)^2 ⇒ $(2x-3)^{2}$

$(2x-3)^{2} = (2x-3)(2x-3)$

Hence, (2x-3)^2 = (2x-3)(2x-3)

4. X^3+2x^2-19x-20 ⇒ $x^{3}+2x^{2} -19x -20$

$x^{3}+2x^{2} -19x -20 = (x+1)(x^{2} +x-20)$

First,

$x^{2} +x-20 = x^{2} +5x-4x-20\\x^{2} +5x-4x-20= x(x+5)-4(x+5)\\x(x+5)-4(x+5) = (x-4)(x+5)$

∴ $(x+1)(x^{2} +x-20) = (x+1)(x-4)(x+5)$

Hence, X^3+2x^2-19x-20 = $(x+1)(x-4)(x+5)$

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3 years ago