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3 years ago

What would the correct word form be for the number 382

Mathematics

2 answers:

RUDIKE [14]3 years ago

8 0

Answer:

Three hundred eighty two

Step-by-step explanation:

valentinak56 [21]3 years ago

4 0

Tree hundred and eighty two in word form .

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Mr. Lassie goes out to eat with his family. Their dinner costs $144. Mr. Lassie is going to leave a 25% tip because the service

Dmitry_Shevchenko [17]

Answer:

$180

Step-by-step explanation:

25% ->0.25

144(0.25)=36

36+144=180

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3 years ago

According to the picture association of America, 4% of all moves advertising is on the internet and 1 10s of all movie advertisi

Annette [7]

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3 years ago

A: What are the solutions to the quadratic equation x2+9=0? B: What is the factored form of the quadratic expression x2+9? Selec

Paraphin [41]

Answer:

A. The solutions are $x=3i,\:x=-3i$ .

B. The factored form of the quadratic expression $x^2+9=(x-3i)(x+3i)$

Step-by-step explanation:

A. To find the solutions to the quadratic equation $x^2+9=0$ you must:

$\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}\\\\x^2+9-9=0-9\\\\\mathrm{Simplify}\\\\x^2=-9\\\\\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}\\\\x=\sqrt{-9},\:x=-\sqrt{-9}$

$x=\sqrt{-9} = \sqrt{-1}\sqrt{9}=\sqrt{9}i=3i\\\\x=-\sqrt{-9}=-\sqrt{-1}\sqrt{9}=-\sqrt{9}i=-3i$

The solutions are:

$x=3i,\:x=-3i$

B. Two expressions are equivalent to each other if they represent the same value no matter which values we choose for the variables.

To factor $x^2+9$ :

First, multiply the constant in the polynomial by $i^2$ where $i^2$ is equal to -1.

$x^2+9i^2$

Since both terms are perfect squares, factor using the difference of squares formula

$a^2-i^2=(a+i)(a-i)$

$x^2+9=x^2+9i^2=\left(-3i+x\right)\left(3i+x\right)$

5 0

3 years ago

A2 - 2ab a2 - 4b2

gavmur [86]

(a + 2b) • (a2 - 2ab - 4b2)

6 0

3 years ago

What are the solutions to the equation 3(X -4)(X +5) =0

cestrela7 [59]

Answer should be: X = 4, -5

4 0

3 years ago