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3 years ago

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This year it snowed on five of the 12 days of Christmas the snow amounts were 3 inches ,5 inches ,7 inches ,1 foot and 9 inches

. What was the mean amount of snow for the 12 days ? Round your answer to the nearest hundredth of an inch

1 answer:

atroni [7]3 years ago

4 0

Answer:

Step-by-step explanation:

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(3x-4y)^2-(3x-4y)(3x+4y)

zheka24 [161]

Answer:

$-24xy + 32y^2$

Step-by-step explanation:

Hello!

We can use the special binomial product formulas:

$(a + b)^2 = a^2 + 2ab + b^2$
$(a + b)(a - b) = a^2 - b^2$

<h3>Simplify</h3>

$(3x - 4y)^2 - (3x - 4y)(3x + 4y)$
$(9x^2-24xy+16y^2) - (9x^2 - 16y^2)$
$9x^2 - 9x^2 - 24xy + 16y^2 + 16y^2$
$-24xy + 32y^2$

The simplified form is $-24xy + 32y^2$

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1 year ago

A shipping company charge $15 to ship a package and 5% the shipping charge for the shirts on the package what was a total cost t

Advocard [28]

15.75 out of my math

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3 years ago

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The area of the base of a square notepad is 9 square inches what is the length of one side of the base of the notepad

Alex17521 [72]

Since area is length times width it will be 3 because it is a sqaure

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3 years ago

Simplify -3x^3(2x^2+3)+9x^4

SIZIF [17.4K]

Answer:

ANSWER = −6x^5 +9x^4 − 9x^3

Step-by-step explanation:

Let's simplify step-by-step.

(−3x^3) (2x^2 + 3) + 9x^4

Distribute:

=(−3x^3) (2x^2) + (−3x^3) (3) + 9x^4

=−6x^5 + − 9x^3 + 9x^4

Answer:

= −6x^5 +9x^4 − 9x^3

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3 years ago

Select all the ratios that are equivalent to the ratio 12 : 3. Explain how you know.

oksano4ka [1.4K]

Answer:

the answers are c, d, &f

Step-by-step explanation:

the equivalence to 12:3

1200:300. = 12:3 (reduce by 100)

12:3= 4:1 (reduce by 3)

24:6= 12:3 (reduce by 2)

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3 years ago

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