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3 years ago

Ez question i just want ppl to have brainlest Question 2(Multiple Choice Worth 4 points)

Mathematics

1 answer:

bazaltina [42]3 years ago

3 0

Answer is 0.05. 2 people told me they were going to give me brainlest but didn’t so please give me brainlest

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What is the answer to this??

Helga [31]

Since the triangle is equilateral, all its angles are equal to 60°

AO is the bisector⇒∠OAD = 30°

AO AO is the hypotenuse, ∠OAD = 30°⇒

OD=10:2=5ft

By the Pythagorean theorem

$10^2=AD^2+5^2\\AD=\sqrt{100-25} \\AD=\sqrt{75}$

$AC=AD+DC=2\sqrt{75}=10\sqrt{3}$

$S=\frac{a^2\sqrt{3} }{4}$

$S=\frac{(10\sqrt{3})^2\sqrt{3} }{4} =\frac{300\sqrt{3} }{4} =75\sqrt{3} ft^2$

Answer: A) $S=75\sqrt{3}$ ft²

P.S. Hello from Russia and sorry for my bad english :^)

5 0

3 years ago

I am a 3-digit number. If rounded off to the nearest hundreds. I become 500. If rounded off to the nearest tens, I become 540. I

dimulka [17.4K]

Answer:

535 is the cirrext answer

6 0

3 years ago

Find the surface area of the cylinder

STatiana [176]

<h2>Solution:-</h2>

• Surface area of a cylinder = 2πr(r + h) sq. units.

In the above diagram,

Radius (r) of the cylinder = 13 cm.

Height (h) of the cylinder = 39 cm.

<h3>• Taking value of π = 3.14</h3>

Hence, Surface area of the cylinder = 2 × 3.14 × 13(13 + 39)

Surface area of the cylinder = (81.64 × 52) cm²

Surface area of the cylinder = 4245.28 cm²

The surface area of the cylinder is 4245.28 cm². [Answer]

6 0

3 years ago

What is this answer?

Bumek [7]

Answer:

multiply

Step-by-step explanation:

just multiply all of them and then u will get your answer I hope this helped ❤

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3 years ago

Mr. Factor bought 9.8 gallons of gasoline at $1.15 a gallon. How much did he pay for the gasoline?

loris [4]

Answer:

8.52

Step-by-step explanation:

9.8 divided by 1.15 = 8.52

3 0

3 years ago