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2 years ago

Factor completely x^2-4

Mathematics

2 answers:

umka2103 [35]2 years ago

3 0

Answer: (x + 2) (x - 2)

Step-by-step explanation:

Solnce55 [7]2 years ago

3 0

Answer:

(x + 2) (x - 2)

Step-by-step explanation:

Given the quadratic expression, x² - 4:

Use the Difference of squares factoring formula:

u² - v² = (u + v)(u - v)

Determine what are possible factors that could have a product of -4:

Since -2 × 2 = -4, these can be used as factors.

Therefore, the factors of the quadratic expression, x² - 4 are:

(x + 2) (x - 2)

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Calculate the volume of this prism 20 cm 30 cm 10 cm

Ghella [55]

Answer:

$6000(cm)^{3}$

Step-by-step explanation:

$30 \times 10 \times 20$

$300 \times 20$

$6000(cm)^{3}$

<h3>Hope it is helpful...</h3>

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3 years ago

Four members from a 50 person committee are to be randomly selected to serve as chairperson, vicechairperson, secretary, and tre

alexdok [17]

Answer:

So, exists 5527200 different leadership structures.

Step-by-step explanation:

We know that four members from a 50 person committee are to be randomly selected to serve as chairperson, vicechairperson, secretary, and treasurer. The first perosn to be selected is the chairperson, the second to be selected as vice chairperson, the third is secretary, and the fourth is treasurer.

Since the order of the people is important to us, we have the following:

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3 years ago

What is 8% of 40 as a decimal

vladimir2022 [97]

Answer:

The answer is 3.2

Step-by-step explanation:

8 x 40
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2 years ago

Complete the inequality statement 7/10 ___ 11/20 > < =

densk [106]

To start, give each fraction a common denominator by multiplying the 7/10 by two to get 14/20, an equivalent but not simplified fraction. now compare 14/20 and 11/20. 14/20 is greater than 11/20, so 7/10 > 11/20.

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4 years ago

You start with $200 in a checking account each month you withdraw $20. Write an equation to model the amount of money in the che

Rudik [331]

y=the amount of money in the checking account

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3 years ago