3 years ago

What is the value of x?

Mathematics

1 answer:

RSB [31]3 years ago

4 0

The X = 39 degrees.....

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I need help answering the question in the picture provided

adoni [48]

answer:

(a).

Equation of circle is x² + y² - 25 = 0

(b).

(-5, 0) » yes

(√7, 1) » no

(-3, √21) » no

(0, 7) » no

Step-by-step explanation:

(a).

If centred at origin, centre is (0, 0)

General equation of circle:

${ \boxed{ \bf{ {x}^{2} + {y}^{2} + 2gx + 2fy + c = 0}}}$

but g and f are 0:

${x}^{2} + {y}^{2} + c = 0 \\ but : \\ c = {g}^{2} + {f}^{2} - {r}^{2} \\ c = { - 25}$

8 0

3 years ago

Can someone help me ?

Lapatulllka [165]

Answer:

A) 1/6

Step-by-step explanation:

Common Ration means you need to divide second term/first term, third term/2nd term

12/72 = 1/6

2/6 = 1/6

Therefore the common ratio is 1/6

3 0

3 years ago

What could be the next line in the solution of the equation 3 (x - 2) = 15 ?

Ket [755]

X = 7 is the answer

5 0

2 years ago

Write the sentence as an equation. 110 multiplied by r equals 182 divided by g

Free_Kalibri [48]

110xr=182/g

reason: i know

7 0

3 years ago

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Georgia [21]

B. Step 1. 14x - 6 = 9
Step 2. 14x = 15

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3 years ago

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