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Alla [95]
3 years ago
14

Find the value of x. 45 60 90 80

Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:

Step-by-step explanation:

The formula you want is x°=\frac{1}{2}(major arc - minor arc)

If the minor arc is 90, and all the way around the outside of a circle is 360 degrees, that means that the major arc measures 360 - 90 = 270.  Filling in our formula:

x°=\frac{1}{2}(270 - 90)

or

x° = \frac{1}{2}(180)

That gives us that x is a right angle at 90°

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Dashawn solves the following system of equations using the elimination method.
Liono4ka [1.6K]

Answer:

x = 4

Explanation:

3x - 4y = 36

5x + 2y = 8 ( multiply all by two )

3x - 4y = 36

10x + 4y = 16

13x = 52

Divide by 13

x = 4 hope this helps

6 0
2 years ago
What is the common ratio for this geometric sequence 3,12,48,192
NARA [144]

Answer: The common ratio is 4.

Step-by-step explanation:

Each term is four times the last term.  The common ratio of a geometric sequence is the number that is being multiplied by each time to get the next term, which is four in this case.

8 0
3 years ago
Which equation represents a line that is parallel to the line y=3-2x?
dlinn [17]

Answer:

(1)

Step-by-step explanation:

Slope of the given line is -2

1) 4x + 2y = 5, 2y = -4x + 5, y = -2x + 5/2, slope is -2

Parallel line, same slope so the answer is (1)

8 0
2 years ago
What is the equation of a line that has a slope of -5 and passes through the point (0, 2)?
Vesnalui [34]

Answer:

y= -5x+2 is the equation.

3 0
3 years ago
Read 2 more answers
5x - 2y = 10 x + 4y = 2
chubhunter [2.5K]

Answer:

(2, 0 )

Step-by-step explanation:

Given the 2 equations

5x - 2y = 10 → (1)

x + 4y = 2 → (2)

Multiplying (1) by 2 and adding to (2) will eliminate the y- term

10x - 4y = 20 → (3)

Add (2) and (3) term by term to eliminate y

11x + 0 = 22

11x = 22 ( divide both sides by 11 )

x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

5(2) - 2y = 10

10 - 2y = 10 ( subtract 10 from both sides )

- 2y = 0, so

y = 0

solution is (2, 0 )

4 0
3 years ago
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