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3 years ago

150 students attended the event they were 60 cars in the student parking lot what was the ratio of students to cars?

Mathematics

2 answers:

tatyana61 [14]3 years ago

6 0

150 to 60. But the more commen why to do that were to simplify it.

vovangra [49]3 years ago

6 0

The ratio of students to cars is 150:60

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In the equation left parenthesis x squared plus 14 x right parenthesis plus left parenthesis y squared minus 18 y right parenthe

Phoenix [80]

Answer:

Complete the square on x by adding 49 to both sides.

Complete the square on y by adding 81 to both sides.

Step-by-step explanation:

We have been given an equation $(x^2+14x)+(y^2+18y)=5$ . We are asked to complete the squares for both x and y.

We know to complete a square, we add the half the square of coefficient of x or y term.

Upon looking at our given equation, we can see that coefficient of x is 14 and coefficient of y is 18.

$(\frac{14}{2})^2=7^2=49$

$(\frac{18}{2})^2=9^2=81$

Now, we will add 49 to complete the x term square and 81 to complete y term square on both sides of our given equation as:

$(x^2+14x+49)+(y^2+18y+81)=5+49+81$

Applying the perfect square formula $a^2+2ab+b^2=(a+b)^2$ , we will get:

$(x+7)^2+(y+9)^2=135$

Therefore, We can complete the square on x by adding 49 to both sides and the square on y by adding 81 to both sides.

7 0

3 years ago

Please help and number the questions Giving 50 points please solve it And I won’t report

maxonik [38]

Answer:

1. 18.84 in

2. 56.52 cm

3. 4.71 ft

4. 25.12 m

5. 37.68 ft

6. 12.56 yd

7. 43.96 in

8. 28.26 cm

9. 7.85 m

Step-by-step explanation:

$C=2\pi r$

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3 years ago

I need more help pls and thx to who ever help

dedylja [7]

The difference is that one is bigger than the other one, and that the bigger box suface are is 180 and the other one is 22.5

Mark me BRAINLIST

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3 years ago

If the area of a circle is 25 pi, find the length of an arc with a central angle of 240? Any help is appreciated please.

almond37 [142]

Answer:

11.81pi

Step-by-step explanation:

r^2=25pi

r=8.86

length=2pi(8.86)(240/360)

=17.72pi(2/3)

=11.81pi

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3 years ago

There were 7 pizzas. 5 people ate all of the pizzas. each person ate an equal amount of pizza. how much pizza did each person ea

shtirl [24]

Answer: D

Step-by-step explanation:

A seems complicated and doesn’t make an sense while D is simple

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3 years ago