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Montano1993 [528]
3 years ago
10

Find X: Round to 2 decimal places

Mathematics
2 answers:
marshall27 [118]3 years ago
6 0

Answer: 5.3

Step-by-step explanation:

yanalaym [24]3 years ago
6 0

Answer:

Cosine = Adjacent/Hypotenuse

Cosine 64 = x/12

Cosine 64 (12) = x

x = 5.26

Let  me know if this helps!

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Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parenth
navik [9.2K]

The answer is the option d, which is: d) \frac{-77+21i}{130}

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

\frac{7i}{7-2i-4-9i} \\\frac{7i}{3-11i}

2. Multiply the denominator and the numerator by the conjugated (3+11i) and simplify the expression, as following:

\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9}  \\ \frac{-77+21i}{130}

3. As you can see, you obtain the expression shown in the option mentioned above.

3 0
4 years ago
The binomial (2x+6) is a factor of a quadratic expression 10x^2+18x-36 what is the other factor of this expression?
madreJ [45]

Answer:

The other factor of the polynomial is (5x -6)

Step-by-step explanation:

Here, we want to find the other factor of this binomial expression

To find the other factor, we simply proceed to divide the polynomial by the binomial

That would be;

(10x^2 + 18x - 36)/(2x + 6)

= 5x - 6

5 0
3 years ago
Please help i always give brainliets and thanks
pav-90 [236]

Answer:

(3)

Step-by-step explanation:

(1), (2) and (4)

can be written as Fr= p1-p2, F and r are inversely proportional

(3) r is directly proportional with F which is opposite to the given formula

hence this is incorrect

6 0
4 years ago
Pls help im really dum
Naddik [55]

Answer:

1: h0m0zyg0us

2: 75%

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Step-by-step explanation:

i think im not sure

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Answer:

1.33333333333

Step-by-step explanation:

because length times with

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3 years ago
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