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Klio2033 [76]
3 years ago
8

What is the value of X? (geometry, right triangles)

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin30° = \frac{1}{2} , then

sin30° = \frac{opposite}{hypotenuse} = \frac{x}{10} = \frac{1}{2} ( cross- multiply )

2x = 10 ( divide both sides by 2 )

x = 5 → C

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Solve x^2-12x+5=0 using the completing the square method
djyliett [7]

Answer:

x= 6 ± √31

Step-by-step explanation:

x^2-12x=-5

x^2 -12x +36= -5 +36

(x -6)^2= 31

√(x -6)^2= ±√31

(x-6)= ±√31

x= 6 ± √31

3 0
2 years ago
★write the pair of integer in which multiplication is -45 and difference is 12.
vladimir1956 [14]

Answer:

(3 and 15)

Step-by-step explanation:

If the product of both of these two numbers needs to be a negative 45 then there are no pair of integers that comply with both requirements.

If the multiplication in the question is wrong and it is a positive 45 then the pair of integers that would comply with these requirements would be (3 and 15). Multiplying this pair together would give you 45 and the difference between them is also 12 meaning it complies with both requirements that were asked for in the question.

5 0
3 years ago
Write the slope-intercept form of the given line. Include your work in your final answer.
Degger [83]

Answer:

y=1x+-1

Step-by-step explanation:

y=mx+b

m=slope which is 1/1 because it is rise over run (rising 1, running 1)

b=y-intercept form which is -1 because that is where the line meets the y axis

8 0
3 years ago
I'm not sure how you find the slope for this! I need it quickly!!​
DENIUS [597]
That is Slope Form. They should give you two coordinates and you substitute them in.
3 0
3 years ago
Read 2 more answers
Who knows the answer to the rest of this?
Angelina_Jolie [31]
I would help but am I gonna
4 0
3 years ago
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