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zzz [600]
3 years ago
10

Find the product of 0.3×0.23.

Mathematics
1 answer:
Alexxx [7]3 years ago
6 0

Answer:

0.069

Step-by-step explanation:

0.3*0.23=0.069

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Solve the triangle. A = 54°, b = 11, c = 8
Delicious77 [7]
In this problem, you apply principles in trigonometry. Since it is not mentioned, you will not assume that the triangle is a special triangle such as the right triangle. Hence, you cannot use Pythagorean formulas. The only equations you can use is the Law of Sines and Law of Cosines.

For finding side a, you can answer this easily by the Law of Cosines. The equation is

a2=b2 +c2 -2bccosA
a2 = 11^2 + 8^2 -2(11)(8)(cos54)
a2 = 81.55
a = √81.55
a = 9 

Then, we use the Law of Sines to find angles B and C. The formula would be

a/sinA = b/sinB = c/sinC
9/sin54° =  11/sinB
B = 80.4°

9/sin54° = 8/sinC
C = 45.6°

The answer would be: a ≈ 9, C ≈ 45.6, B ≈ 80.4
5 0
3 years ago
What is the Cube of a (-99)
Arada [10]

Answer:

-970299

Step-by-step explanation:

the cube of -99 means -99 x -99 x - 99

that is: -970299

Hope this helps

4 0
3 years ago
What do a decimal number and a thumbtack have in common?
Maslowich
<span>They both have a point!

Hope I Helped You!!! :-)

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8 0
3 years ago
Solve the problem x/27=4/9 x=
Monica [59]

Answer: x=12

Step-by-step explanation:

  • Multiply both sides by 27.
  • Use this rule: a/b*c=ac/b
  • Simplify 4×27 to 108.
  • Simplify 108/9 to 12

x=\frac{4}{9} *27\\\\x=\frac{4*27}{9} \\\\x=\frac{108}{9} \\\\x=12

Hope this helps, HAVE A BLESSED AND WONDERFUL DAY! As well as a great Superbowl Weekend! :-)

- Cutiepatutie ☺❀❤

7 0
3 years ago
Using a calculator, work out:<br> V2704 x 22 - 149
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whattt?.............

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3 years ago
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