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Yuliya22 [10]
3 years ago
11

Someone help and plz make sure it’s right :)

Mathematics
1 answer:
fenix001 [56]3 years ago
3 0
The value of the trigonometric ratio, Cos C is 5/13. The answer is A.
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What is the sum of the measures of the interior angles of a 20-sided figure?
Reika [66]
18, I believe 360/20 equals 18.
6 0
3 years ago
Solve for x 4^x-2=256
salantis [7]
We can do this problem using two ways....
Let me show you both methods.

<u>Method 1: "Without using logs"</u>

4^{x-2}=256\\\\  4^{x-2}=4^4\ \ \ \ \ |\because 4^4 \ $is the same as 256

Now, since both sides of the equation have same base and they equal each other, then their exponent must be equal to each other. So, we equal their exponents. 

After equaling the exponents, we get,
x - 2 = 4 \\\\ x=4+2 \\\\ \boxed{x = 6} \Leftarrow $ This is your answer!!

Now,
<u>Method 2: "Using Logs"</u>

4^{x-2}=256 \\\\ ~~~~~~~\Downarrow   ~~~~~~ is\ the\ same\ thing\ as\ saying \\\\$log\ _4\ 256 =x-2 \\\\ Now,\ using\ the\ log\ property\ log_AB= \frac{log_cA}{log_cB}, \ we \ get, \\\\  \frac{log_{10}256}{log_{10}4}=x-2 \\\\ 4=x-2 \\\\ 4+2=x\\\\ 6=x \\\\ \boxed{x=6} \Leftarrow $This is your answer



<u>So, either way we get x= 6</u>
8 0
3 years ago
Read 2 more answers
A bag of oranges weighs 5 1/4 pounds. How much does 1 1/2 bags weigh?
Ede4ka [16]
If one bag weighs 5 1/4 ibs. Then it is 5 1/4 + (1/2)*(5 1/4) = 63/8 Ib or 7.875 Ib or 7/8

4 0
3 years ago
Original price - $82. Percent of discount-?? Sale price - $65.60
emmasim [6.3K]
To determine a percentage difference, simply divide the difference of the two numbers by the original. For instance, 82-65.60=16.4 16.4 is 20% of 82, so the discount is 20% (16.4/82)
3 0
3 years ago
Find the product of (3 x 109) and (2 x 109). Write the final answer in scientific notation.
chubhunter [2.5K]

The  product of (3 x 109) and (2 x 109) in scientific notation is 6*10^9

<h3>What is scientific notation?</h3>

scientific notation can be described as the expression in the form  a x 10^b where a is a number or decimal number a is greater than or equal to one.

(3 x 109) * (2 x 109) =6*10^9

Therefore, option D is correct.

Learn more about scientific notation at:

brainly.com/question/27862246

#SPJ1

5 0
2 years ago
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