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3 years ago

12

1/9y + 1/8 = 1/6 Please help

1 answer:

tatyana61 [14]3 years ago

7 0

The answer is 3/8 ur welcome :)

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Total surface area of the drawing

Crazy boy [7]

The pentagon's area is the sum of the 5 triangles that comprise it. This is

$5( \frac{1}{2}bh) \times 2=5(9)(6.2)= 279$

where the factor of 2 accounts for the top and bottom. The walls have an area of 5 rectangles

$5(bh)=5(9)(6)=270 \\ \\ 279+270=549km^2$

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3 years ago

Help<br><br> (5a-3a^3)*(4a-1)

ivann1987 [24]

Answer:

$-12a^{4} + 3a^{3} + 20a^{2} -5a$

Step-by-step explanation:

$(5a-3a^{3} )$ • $(4a-1)$

Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.

$20a^{2} - 5a - 12a^{4} + 3a^{3}$

Rearrange in decreasing exponents.

$-12a^{4} + 3a^{3} + 20a^{2} -5a$

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3 years ago

Please help me ASAP TYYY

uranmaximum [27]

Answer:

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Step-by-step explanation:

See attached image.

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1 year ago

Trigonometric identities: Performance task

MakcuM [25]

#1

$\\ \sf\longmapsto (1+cosx)(1-cosx)$

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$\\ \sf\longmapsto tan^2x-sec^2x$

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3 years ago

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At a sale, coats were sold for 52% of their original price. If the coats originally cost $200 each, how much did a coat cost on

Talja [164]

Answer is 104

Step-by-step explanation:

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3 years ago