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statuscvo [17]
3 years ago
14

What is the area of a circle with a radius of 3? Give your answer in terms of π.

Mathematics
1 answer:
KatRina [158]3 years ago
8 0

Answer:

9π

Step-by-step explanation:

the area of a circle =

π×r² = π×3² = 9π

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Find the area of the figure
patriot [66]

Answer:

3250

Step-by-step explanation:

5x13x5x10=3250

8 0
3 years ago
Help Please: Two boats start their journey from the same point A and travel along directions AC and AD, as shown below: What is
Roman55 [17]

Answer:

  230.9 ft

Step-by-step explanation:

The side ratios of a 30°-60°-90° triangle are 1 : √3 : 2

In ∆ABC, BC = AB/√3 ≈ 115.47 ft

In ∆ABD, BD = AB√3 ≈ 346.41 ft

Then the length CD is ...

  346.41 ft -115.47 ft = 230.94 ft

The distance CD is about 230.9 ft.

8 0
3 years ago
(Multiple Choice, 20 pts)
ivanzaharov [21]

Answer:

x = -3, x = 0 is a extraneous solution

Step-by-step explanation:

Step 1: Cross-multiply

3x² = 4x² + 3x

Step 2: Isolate <em>x</em>'s

0 = x² + 3x

Step 3: Factor

0 = x(x + 3)

Step 4: Find roots

x = 0, -3

Step 5: Double check work

Plug in both to see if they both work. Only x = 0 should be extraneous. We now have our answer!

3 0
3 years ago
A calculator that cost $60 in 1980 now sells for $10. What was the percent of decrease​
Romashka-Z-Leto [24]

Answer: 16.6%

Step-by-step explanation:

$60 divided by 6 = $10

so divide 100 by 6 and you get about 16.6

I Hope this Helps!

4 0
3 years ago
Read 2 more answers
-2(g+4)+7g<br><br><br> A. 5g - 8<br><br> B. 9g + 8<br><br><br> I’d appreciate if someone helped me:)
Yuki888 [10]

Answer:

A. 5 g - 8 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

6 0
2 years ago
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