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AlekseyPX
3 years ago
14

Solve A=1/2h(b1+b2) Solve for b1

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
A =  \frac{1}{2} h (b_1+b_2) \\  \\  \frac{2A}{h} = b_1+b_2 \\  \\ b_1 =  \frac{2A}{h} -b_2
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5. Simplify: 56 = 7 - 3 [4 + {8 - 4 ( 4 + 5 - 3 )}]​
shutvik [7]

Answer:

36

Step-by-step explanation:

56=7-3[4+{8-4(4+5-3)}]

56=7-3[4+{4(4+5-3)}]

56=7-3[4+{16+20-12)}]

56=7-3[4+24]

56=4[28]

56=92

56-56=92-56

36

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3 years ago
Multiply and simplify<br> (x +1)3 x (x+1)4
Anna71 [15]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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At a certain time of day, the angle of elevation of the sun is 80degree. Find the height of a tree whose shadow is 44 feet long.
Arte-miy333 [17]

The height of the tree is 249.5 feet

<h3>How to determine the height of the tree?</h3>

The given parameters are:

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So, we have:

tan(80) = x/44

Multiply both sides by 44

x = 44 * tan(80)

Evaluate

x = 249.5

Hence, the height of the tree is 249.5 feet

Read more about elevation at:

brainly.com/question/19594654

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8 0
2 years ago
If $1400 is the selling price and 10% as the profit percentage. What is the cost price and profit?
xenn [34]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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murzikaleks [220]

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Step-by-step explanation:

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3 years ago
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