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Ad libitum [116K]

3 years ago

9

Rewrite the expression using the distributive property: 3(2r + 2)

2 answers:

Katyanochek1 [597]3 years ago

6 0

Answer:

3(2r+2) = 6r + 6

Step-by-step explanation:

Three times to is six just add the ''r'' to the six and you have six ''r'' then youdo three times two which is six

RUDIKE [14]3 years ago

4 0

Answer:

6r + 6

Step-by-step explanation:

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How can I get the anserw of 6.3 divided 0.7

gayaneshka [121]

You can use your calculator if you have one or do long division. just make sure to move the decimal so it looks like this: 63 divided by 7. you answer should be 9

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4 years ago

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3 years ago

What is the equation of the circle with center (-3,1) that passes through the point (-5, 3)?

Natali5045456 [20]

Answer:

Option B) (x + 3)^2 + (y – 1)^2 = 8 is the correct answer.

Step-by-step explanation:

The equation of a circle with center (h,k) and radius r is given by:

$(x-h)^2 + (y-k)^2 = r^2$

Given

Center = (h,k) = (-3,1)

=> h = -3

=> k = 1

The distance between the center of circle and the point through which the circle passes will be the radius.

The distance formula is given by:

$r = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

Given

$(x_1,y_1) = (-3,1)\\(x_2,y_2) = (-5,3)$

Putting the values in the formula

$r = \sqrt{(-5+3)^2+(3-1)^2}\\r = \sqrt{(-2)^2+(2)^2}\\r = \sqrt{4+4}\\r = \sqrt{8}$

Putting the values of h,k and r in general form of equation

$\{x-(-3)}^2\} +(y-1)^2 = (\sqrt{8})^2\\(x+3)^2+(y-1)^2 = 8$

Hence,

Option B) (x + 3)^2 + (y – 1)^2 = 8 is the correct answer.

4 0

3 years ago

A water tank is currently three-quarters full. If 2500 gallons are drained, the tank will be one-third full. How many gallons of

garri49 [273]

Answer:6000

Step-by-step explanation:3 quarters is equal to 9/12. And 1/3 is equal to 4/12

If it is 9/12 full and 2500 gallons are drained then there are 4/3 left

9/12 - 4/3 is equal to 5/12.

Thta means 2500 gallons is 5/12 of the whole container

5/12 divided by 5 is 1/12

And 2500 divided by 5 is 500

That means every 1/12 of the container can fill 500 gallons

Do then 500 times 12 is 6000

Sorry I am really bad at explaining

7 0

3 years ago

Find the intercept and graph the following linear equations: 2x+y=1

Dima020 [189]

Answer:

2(1)+y =1 for × intercept

2x+(1)=1 for y intercept

7 0

3 years ago