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4 years ago

I will give brainiest plzz answer quick

Mathematics

1 answer:

Alina [70]4 years ago

7 0

Answer:

Step-by-step explanation:

because 75-60 is 15 15 divided by the 3 movies is 5

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X2 + y2 + 42x + 38y − 47 = 0. The equation of this circle in standard form is

erastova [34]

The Standard form of the equation of circle is (x+21)² + (y+19)² = 849

<h3>What is Standard form of circle?</h3>

To transform general form to a standard form, you can use completing the square method or you can convert this equation

x² + y² + Dx + Ey + F = 0 to x² + y² + (-2h)x + (-2k)y + (h²+k²-r²) = 0

Here, Given: x² + y² + 42x + 38y − 47 = 0

Required: Find the values of h, k, and r using this formula

x² + y² + (-2h)x + (-2k)y + (h²+k²-r²) = 0

On comparing we get,

-2h = 42

h = 21

-2k = 38

k = 19

-47 = h² + k² - r²

-47 = 21² + 19² - r²

r² = 849

r = √849

Thus, the Standard form of the equation of circle is (x+21)² + (y+19)² = 849

Learn more about Circle from:

brainly.com/question/11833983

#SPJ1

7 0

2 years ago

Evaluate 44 + 5 x (4^2 ÷ 8).

vitfil [10]

Answer:

2(5x+22), I looked it up

6 0

2 years ago

Please help! not sure how to start.

bearhunter [10]

First simplify it so it would become -1 x^2 over 6 x^5
then you need to simplify the x's so do 5-3 so the final answer is -1 over 6 x^3

3 0

4 years ago

Sage is making roasted potatoes for a benefit dinner. The committee gives her money to buy 10 bags of potatoes. Write an equatio

masha68 [24]

Sage is making roasted potatoes for a benefit dinner. The committee gives her money to buy 10 bags of potatoes. Write an equation to help Sage determine how many servings of potatoes she can prepare.
Let's let
n = number of servings

p = grams of potatoes per serving

c = grams of potatoes in each bag

As we can see we should let n = the number of servings be first.

Then we use ten and put it with the grams of potatoes per servings.

So

$n = \frac{10c}{p}$

Hope I helped!

3 0

3 years ago

Triangle A″B″C″ is formed using the translation (x + 1, y + 1) and the dilation by a scale factor of 3 from the origin. Which eq

FromTheMoon [43]

Answer:

$B''C''=3BC$