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3 years ago

The equation 25x^2+25y^2=125 represents which conic section

Mathematics

1 answer:

raketka [301]3 years ago

8 0

This equation is a circle.

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HELP ASAP WILL GIVE BRAINLIEST!! What is the value of 8.25p + 3.99c, when p=12 and c=8.

DENIUS [597]

Answer:

130.92

Step-by-step explanation:

8.25(12)+3.99(8)

99+31.92

130.92

5 0

2 years ago

PLEASE HELP WILL MARK BRAINLIEST THANK YOU

slava [35]

Answer:

91 degrees

Step-by-step explanation:

they are vertical angles which means they are congruent

8 0

2 years ago

Solve for p<br> 3+|1+p|=12

Usimov [2.4K]

Subtract 3 from both sides

simplify 12 - 3 to 9

break down the problem into these two equations

1 + p = 9 and -(1 + p) = 9

solve the first equation 1 + p = 9 and that would be 8 since 1 + 8 = 9 is true.

solve the second equation -(1 + p) = 9 and just simplify brackets and add 1 to both sides then add 9 + 1 and lastly multiply both sides by -1 and p = -10.

Gather both solutions

Answers: p = -10, 8

5 0

3 years ago

A population of mice is increasing exponentially. On Monday there were 120 most. One month later there were 132 most. Ready func

djyliett [7]

Answer:

$y=120 * 1.1^x$ --- function

The monthly rate is 10%

Step-by-step explanation:

Given

Let

$x \to months$

$y \to mice$

So, we have:

$(x_1,y_1) = (0,120)$ --- Monday

$(x_2,y_2) = (1,132)$ --- One month later

Required

The function

The function is represented as:

$y=ab^x$

In $(x_1,y_1) = (0,120)$ , we have:

$120 = a * b^0$

$120 = a * 1$

$120 = a$

$a=120$

In $(x_2,y_2) = (1,132)$ , we have:

$132 = a * b^1$

$132 = a * b$

Substitute: $a=120$

$132 = 120 * b$

Solve for b

$b = \frac{132}{120}$

$b = 1.1$

So, the function is:

$y=ab^x$

$y=120 * 1.1^x$

To calculate the monthly rate (r), we have:

$y =a(1 + r)^x$

Compare to: $y =ab^x$

$1 + r = b$

Make r the subject

$r = b-1$

Substitute $b = 1.1$

$r = 1.1-1$

$r = 0.1$

Express as percentage

$r = 0.1*100\%$

$r = 10\%$

5 0

2 years ago

What is the circumference of the given circle in terms of pi

Nezavi [6.7K]

The formula for finding the circumference is pi times the diameter so If your giving it in terms of pi then you're just finding the diameter which is 15

3 0

3 years ago

Read 2 more answers