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3 years ago

The circle C has equation x2 + y2 +4x - 2y - 11 = 0.

Mathematics

2 answers:

Naddika [18.5K]3 years ago

7 0

Answer:

where is circle pls send picture of circle

sleet_krkn [62]3 years ago

5 0

Step-by-step explanation:

<h2>please mark me as brainlist please </h2>

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Solve the equation log4(x + 20) = 3

mixas84 [53]

Answer:

I don't think it's possible to add a number to 20 and then multiply it by 4 and get 3.

Step-by-step explanation:

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3 years ago

$210 at 8% for 7 years

Genrish500 [490]

The answer is $327.60

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4 years ago

Line BC has an equation of a line Y equals 2X +3 and F has an equation of a line Y equals -1/2 x+4 these two equations represent

Masja [62]

Answer:

Lines BC and F represent perpendicular lines

Step-by-step explanation:

we have

$y=2x+3$

the slope of the line BC is $m=2$

$y=-(1/2)x+4$

the slope of the line F is $m=-1/2$

we know that

If two lines are perpendicular, then the product of their slopes is equal to -1

$m1*m2=-1$

we have

$m1=2$ -----> slope line BC

$m2=-1/2$ -----> slope line F

Find the product of their slopes

$(2)(-1/2)=-1$

therefore

Lines BC and F represent perpendicular lines

6 0

3 years ago

HELP ME NOWWWWWWWWWWWWWWWWWWWWWW

V125BC [204]

Answer:105.00

A = $105.00

I = A - P = $5.00

Equation:

A = P(1 + rt)

First, converting R percent to r a decimal

r = R/100 = 0.5%/100 = 0.005 per year.

Solving our equation:

A = 100(1 + (0.005 × 10)) = 105

A = $105.00

The total amount accrued, principal plus interest, from simple interest on a principal of $100.00 at a rate of 0.5% per year for 10 years is $105.00.

3 0

3 years ago

Please help me as soon as posable!! In hurry!!(24 points)

attashe74 [19]

The sequence is geometric, so

$a_n = r a_{n-1}$

for some constant r. From this rule, it follows that

$a_3 = r a_2 \implies 20 = 2r \implies r = 10$

and we can determine the first term to be

$a_2 = r a_1 \implies 2 = 10 a_1 \implies a_1 = \dfrac15$

Now, by substitution we have

$a_n = r a_{n-1} = r^2 a_{n-2} = r^3 a_{n-3} = \cdots$

and so on down to (D)

$a_n = r^{n-1} a_1 = 10^{n-1} \cdot \dfrac15$

(notice how the exponent on r and the subscript on a add up to n)

4 0

2 years ago