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Pani-rosa [81]
3 years ago
12

Item 1 Find the surface area of the regular pyramid.

Mathematics
2 answers:
ArbitrLikvidat [17]3 years ago
7 0

Answer:

16in²

Step-by-step explanation:

SA=2²+4(1/2)(2)(3)

=4+12

SA=16 in²

hope it helps..

have a great day!!

Paul [167]3 years ago
3 0

Answer:

The answer is 16 in. sq.

Step-by-step explanation:

I hope this helps! Have a great rest of your day!

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Akimi4 [234]

Angles ∠ACD and ∠CAB are congruent because they are alternate angles. Then the area of the triangle AOB will be 22.53 square cm.

<h3>What is the area of the right-angle triangle?</h3>

The area of the right-angle triangle is given as

A = 1/2 x B x H

Where B is the base and H is the height of the right triangle.

We know that angles ∠ACD and ∠CAB are congruent because they are alternate angles.

α₁ = 40°

AO = OC = 7.8 cm

Then the area of the triangle will be

Area = 1/2 x 7.8 x 7.8 x tan40°

Area = 22.53 square cm

More about the area of the right-angle triangle link is given below.

brainly.com/question/16653962

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2 years ago
Use the quadratic formula to find both solutions to the quadratic equation given below x^2+6x=27
docker41 [41]

Answer:

x=3 or x=−9

Step-by-step explanation:

Step 1: Subtract 27 from both sides.

x2+6x−27=27−27

x2+6x−27=0

Step 2: Factor left side of equation.

(x−3)(x+9)=0

Step 3: Set factors equal to 0.

x−3=0 or x+9=0

x=3 or x=−9

Answer:

x=3 or x=−9

7 0
3 years ago
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Which of the following rational functions is graphed below? A. F(x) = B. F(x) = C. F(x) = D. F(x) =
gregori [183]

Answer:

C is the answer

Step-by-step explanation:

8 0
3 years ago
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Round 5049 correct to 1 significant figure​
Step2247 [10]

5000

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  • Zeros have all their digits counted as significant (e.g. 0 = 1, 0.00 = 3).
  • Rounds when required, after parentheses, and on the final step.

<em>-</em><em> </em><em>BRAINLIEST </em><em>answerer</em><em> ❤️</em>

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2 years ago
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2.240<br> F = d + 2.24<br> What is the answer
ExtremeBDS [4]

Answer:

F= 0.44642857d+1

Step-by-step explanation:

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