3 years ago

The product of the polynomials (3x+2) and (-x to the third - 3

Mathematics

1 answer:

guajiro [1.7K]3 years ago

6 0

Answer:

You will use the distributive property.

Multiply both terms.

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Evaluate 7 a - 5 b when a = 4 and b = 3

svet-max [94.6K]

7x4=28, 5x3=15. 28-15=13

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3 years ago

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E^(i.π)+2^(-2+3-1)+21899921030

Anna007 [38]

Answer:

21899921030

Step-by-step explanation:

e^(i.π) = -1

2^(-2+3-1) = 2^0 = 1

Therefor

-1 + 1 + 21899921030 = 21899921030

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2 years ago

Assume the annual day care cost per child is normally distributed with a mean of $9000 and a standard deviation of $1000. What

Tpy6a [65]

Answer:

65.54% (nearest hundredth)

Step-by-step explanation:

Given:

$\sf \mu=9000$

$\sf \sigma=1000$

$\sf X \sim N(\mu, \sigma^2)\implies X \sim N(9000,1000^2)$

P(X > 8600) = 1 - P(X ≤ 8600)

= 1 - 0.3445782584

= 0.6554217416

= 65.54%

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2 years ago

The bookstore sells 6 books for $13.50 How much will it cost to purchase 2 books?

Neporo4naja [7]

It would cost $4.50 to purchase 2 books.

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4 years ago

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During second period, Bonnie completed a grammar worksheet. She got 18 out of 20 questions correct. What percentage did Bonnie g

sp2606 [1]

Answer:

90% correct

Step-by-step explanation:

You want to make calculating easy and to do this, you multiply write out 18 out of 20 like a fraction, 18/20, and multiply both the numerator and the denominator by 5 because 20*5 = 100. 18*5 = 90. 90/100 is the same thing as 90%. Hope this helps!

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3 years ago