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3 years ago

Find the area of the shape below.

Mathematics

1 answer:

AlladinOne [14]3 years ago

8 0

Answer:

i think its 600cm

Step-by-step explanation:

20 * 7 = 140 * 2 = 280

20 * 16 = 320

320 + 280

600

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3 years ago

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What value of B makes the expression. x² + Bx + 81 a perfect square trinomial?

Oxana [17]

Answer:

B.) 18

Step-by-step explanation:

To find the correct b value we use this formula

b² - 4ac = 0

b = What we are solving for

a = 1

c = 81

b² - 4(1)(81) = 0

b² - 324 = 0

b² = 324

$b = \sqrt{324}$

b = ±18

And 18 is one of the answer choices

So B.) 18 is the correct answer.

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3 years ago

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A coordinator will select 5 songs from a list of 5 songs to compose an event's musical entertainment lineup. How many different

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The answer is 120 because 5<span> × 4 × 3 × 2 1 = 120</span>

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4 years ago

Please help out with this geometry homework I was assigned. And what formula do I use?

lozanna [386]

Answer:

$V_{cone} \approx 1,178.97 \: {in}^{3}$

Step-by-step explanation:

Diameter of cone = 16 in

Radius of cone r = 16/2 = 8 in

Height of cone h = 17.6 in

$V_{cone} = \frac{1}{3} \pi {r}^{2}h \\ \\ V_{cone} = \frac{1}{3} \times 3.14 \times {(8)}^{2} \times 17.6 \\ \\ V_{cone} = \frac{1}{3} \times 3,536.896 \\ \\ V_{cone} = 1,178.96533 \\ \\ V_{cone} \approx 1,178.97 \: {in}^{3} \\$

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3 years ago

6*1+5*1/10 in standard form

amm1812

Answer:

6.5

Step-by-step explanation:

6 times 1 is 6

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6+0.5 is 6.5

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3 years ago