3 years ago

Replace ∗ by a monomial so that the trinomial may be represented by a square of a binomial: 25a^2 + * + 1/4b^2

1 answer:

7 0

Answer:

Replace ∗ with a monomial so that the trinomial may be represented by a square of a binomial: 36–12x + ∗, and 25a^2+ ∗ + .25 b^2

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Will give brainliest, thanks in advance!!

tester [92]

Answer:

-3+15i

Step-by-step explanation:

Apply complex arithmetic rule: $\left(a+bi\right)\left(c+di\right)=\left(ac-bd\right)+\left(ad+bc\right)i$

$\left(-3\cdot \:3-3\left(-2\right)\right)+\left(-3\left(-2\right)+3\cdot \:3\right)i$

-3 * 3 -3 (-2) = -3

$-3+15i$

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1 year ago

A home builder wants 5 acres of land split into 13 equal sections. Three of these expressions give the number of acres of land e

galina1969 [7]

Answer:

b 5/13

Step-by-step explanation:

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3 years ago

kala is saving money to buy a bike that cost $125. She has $60 and will save an additional $5 each week. In how many weeks will

Kaylis [27]

In exponential form it’s: 125=60(1.05)^x
So it should be around 15.043 weeks
If you have to round up to then next week then the answer is 16 weeks she will have enough money to buy the bike. I’m

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2 years ago

what is the algebraic expression for " five more than n" what is tge albraic expression for x added to seven. what is the algebr

choli [55]

1. n + 5
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3. 8 - x
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3 years ago

Read 2 more answers

Simplify (4/5)^-2 . Show your work!

jarptica [38.1K]

Answer:

$\frac{25}{16}$

Step-by-step explanation:

Apply exponent rule: $x^{-y}=\frac{1}{x^y}$

$(\frac{4}{5}) ^{-2}=\frac{1}{\left(\frac{4}{5}\right)^2}=\frac{1}{\frac{16}{25}}=\frac{25}{16}$

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2 years ago