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2 years ago

9

Chris uses 324 tiles to cover the top of his computer desk. Of the tiles, 3 are red and the rest are blue. How many tiles are bl

ue? (2pt)

2 answers:

Reptile [31]2 years ago

6 0

This is pretty easy wouldnt it be 321.

324-3=321

myrzilka [38]2 years ago

5 0

The answer is 321 because 324-3=321

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2. The ratio of boys to girls in the school

andrew11 [14]

Since the ratio is 3:4, and 12/4 is 3 than you do 3x3 and get 9 so the answer is 9:12 or 9 boys and 12 girls. To check your answer, you can do 3/4 (for 3:4) and that is 0.75. If you do that with 9:12 you also get 0.75.

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2 years ago

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9:37 pm is how<br> many minutes<br> after 9.08 pm?

artcher [175]

Answer:

29 is the answer

Step-by-step explanation:

the answer is 29

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2 years ago

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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 $-24xy + 32y^2$

6 0

1 year ago

Which expression is equivalent to 2^4 ⋅ 2^−7?

skad [1K]

2^4 x 2^-7 = 0.125

2^3 = 8, 1 /8 = 0.125

answer is B

3 0

2 years ago

Click on pic to get the actual question please

schepotkina [342]

Answer: The products are 3 and 6

Step-by-step explanation:

The product of the factor is either 1/2 or 18, depends whether it wants a fraction or an answer to a multiplication problem.

Hope this helps!

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3 years ago