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3 years ago

Which angle is a congruent to ZBEC? State the reason. 4 E

Mathematics

1 answer:

bogdanovich [222]3 years ago

4 0

Answer:

eliminated, the bedtime increases by one minute. ... Description: This activity requires students to tell time to the half-hour (e.g. 4:00, 5:30, 11:30).

Step-by-step explanation:

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Write the general equation for the circle that passes through the points: (1, 7) (8, 6) (7, -1)

Naddika [18.5K]

Answer:

$x^{2} +y^{2} +(-8)\times x+ (-6)\times y = 0$

Step-by-step explanation:

General equation of circle is $x^{2} +y^{2} +2\times g \times x+2\times f\times y+c = 0$ ---------------------(1)

This circle passes through the given three points, (1,7) , (8,6) and (7,-1).

Substitute (1,7) in (1),

1 + $7^{2} +2\times g\times 1 + 2\times f\times 7 +c$ =0

2g + 14f + c = -50 -------------(2)

Substitute (8,6) in (1),

$8^{2} + 6^{2} +2\times g \times 8+2\times f\times 6 +c=0$

16g + 12f + c = -100 -----------(3)

Substitute (7,-1) in (1),

$7^{2} + (-1)^{2} +2\times g \times 7+2\times f\times (-1) +c=0$

14g - 2f + c = -50 ---------------(4)

Solving (2),(3) amd (4) simultaneously,

g = -4

f = -3

c = 0

Equation of circle is

$x^{2} +y^{2} +(-8)\times x+ (-6)\times y = 0$

7 0

3 years ago

I need help please explain your work for number 7 only

Keith_Richards [23]

Answer:

Transitive property

Step-by-step explanation:

When a=c and b=c, a=b

A would be 16+43

B would be 59

C would be 10+49

5 0

2 years ago

Can the sum of two negative numbers ever be positive?

N76 [4]

No
two negatives equal positive, and one negative and one positive is i think negative

7 0

3 years ago

Read 2 more answers

An online music club has a one time registration fee of $13.95 and charges $0.49 to buy each song.If Emma has $50.00 to join the

kondaur [170]

50.00 - 13.95 = 36.05 (subtract the registration fee)
36.05/0.49 = 73.57 so she can buy 73 songs

8 0

4 years ago

Read 2 more answers

What is the next term in this geometric sequence?<br> 104, -52, 26, -13, ...

Yanka [14]

Answer:

The Answer is 6.5 because you are dividing by negative 2

Step-by-step explanation:

8 0

3 years ago