3 years ago

I Need The Answers ASAP, please!!

Mathematics

1 answer:

tatyana61 [14]3 years ago

5 0

I feel like it’s A or B

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Dr. Black is standing 13 feet from the streetlamp. The lamp is making his shadow 9 feet long. He estimates that the angle of ele

Thepotemich [5.8K]

13 + 9 = 22 feet

the angle is 50 degrees

multiply 22 x tan(50) to find the height of the lamppost

22 x tan(50) = 26.21

so the lamppost is about 26 feet tall

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3 years ago

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This is pretty hard but i really need it correct please help!

Wewaii [24]

I prob think it’s b

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3 years ago

Find the valueof the symbol x: (x÷5)×4=80÷(5×4)

Strike441 [17]

Answer:

Step-by-step explanation:

(x÷5)*4=80÷(5*4)

(x÷5)*4 = 80÷20

(x÷5)*4 = 4

x÷5 = 4÷4

$\frac{x}{5}=1\\\\x=1*5\\\\x=5$

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3 years ago

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Which is greater 0.4 or 0.137

ElenaW [278]

<h2>0.4 is greater </h2>

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3 years ago

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Find the area of this triangle. Round to

DaniilM [7]

Answer:

63.3 square feet

Step-by-step explanation:

Let a = 20 ft, B = 15 ft, c = 9ft

$s=\frac{a+b+c}{2}$

$s=\frac{20+15+9}{2}$

$s=\frac{44}{2}$

$s=22\: ft$

$Area \: of \:\triangle = \sqrt{s(s - a)(s - b)(s - c)} \\ \\ = \sqrt{22(22 - 20)(22 - 15)(22 - 9)} \\ \\= \sqrt{22 \times 2 \times 7 \times 13} \\ \\= \sqrt{44 \times 91} \\ \\ = \sqrt{4,004} \\ \\ = 63.2771681 \\ \\ \approx 63.3 \: {ft}^{2}$

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4 years ago