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2 years ago

What is mBC ? A. 28 B. 56 C. 70 D. 140

Mathematics

2 answers:

kow [346]2 years ago

8 0

The answer is
56 I think

const2013 [10]2 years ago

5 0

56 is the right answer trust me

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The Nike store is having a SALE!!! A toddler suit with an original cost of $54 is marked down to $22.95. How much is the discoun

pishuonlain [190]

Answer:

The Discount Percent is 57.50% and the Discount Amount is $31.05

Step-by-step explanation:

To find the discount percent you use the formula D = (L - S) / L x 100. To find the discount amount you take the inital list price and subtract it from the sale price.

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3 years ago

Calculate the value of 18(-3)

Anon25 [30]

Answer:

-54

Step-by-step explanation:

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2 years ago

Factorize this expression completely using (a-b)² formula 3a²- 36a + 108

Novosadov [1.4K]

Answer:

$3a^2 - 36a + 108 = (\sqrt{3}a - 6\sqrt{3} )^2$

Step-by-step explanation:

$3a^2 = (\sqrt{3} a)^2\\108 = 9 \times 4 \times 3= 3^2 \times 2^2 \times 3 = (3\times2 \sqrt{3} )^2 = (6\sqrt{3})^2$

$so, a = \sqrt{3} a \ , \ b = 6\sqrt{3} \\\\(a - b)^2 = a^2 -2ab + b^2\\\\-36a = -2ab\\\\-36a = -2 \times \sqrt{3} a \times 6\sqrt{3}$

Therefore ,

$3a^2 - 36a + 108 = (\sqrt{3}a )^2 - 2(\sqrt{3}a \times 6\sqrt{3} ) + (6\sqrt{3} )^2 = (\sqrt{3}a - 6\sqrt{3} )^2$

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3 years ago

Following e.g. C, how do you do D? 30 points

mars1129 [50]

Answer:

x=(log(5/4))/(log(4))

Step-by-step explanation:

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3 years ago

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Goshia [24]

what do u mean by ur question. it doesn't make sense

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3 years ago