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3 years ago

How do I find the vertex?

Mathematics

1 answer:

pav-90 [236]3 years ago

3 0

Answer:

2. (5, -5)

3. (-3, 2)

4. (2, 4)

Step-by-step explanation:

Each vertex can be found using two simple steps.

1) The number being added or subtracted from x.

-The x coordinate of your vertex is the opposite of that number.

2) The number after the absolute value symbol.

-The y coordinate is that value.

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Rosa has 3 3/4 pounds of dough. She uses 1/8 of a pound for one roll. How many rolls could be made from Rosa's dough?

Art [367]

So you want to know how much rolls can Rosa make with the dough, here's the answer:

First we notice that each roll takes 1/8 of dough, and then we make $3 \frac{3}{4}$ into $\frac{30}{8}$ .

Then we find, that we can make 30 rolls with the dough Rosa has!

Hope this helped! c:

7 0

3 years ago

Read 2 more answers

Help me plz because i don't know how to do it!!!

Kitty [74]

Answer:

the play area is a circle with radius = 12

Step-by-step explanation:

Circle area = A= π r²

r = radius

A = 144 π = 452.39

Diameter = 2r

= 24

circumference = C = 2π r

= 24 π = 75.4

Q2)

Area = π r²

r = 15

r²= 225

area = 706.5

5 0

3 years ago

Complete the equation for ⊙A.

mars1129 [50]

The general equation of a circle is (x-h)²+(y-k)² = r². The equation of circle A is (x+4)²+(y+2)²=9.

<h3>What is the equation of a circle?</h3>

The general equation of a circle is given as,

(x-h)²+(y-k)² = r²

Where (h,k) is the coordinate of the centre of the circle, and r is the radius of the circle,

Given that the four points that lie on the circle are (-4,1), (-1,-2), (-4, -5) and (-7,-2), and also the centre of the circle is at (-4,-2). Therefore, the radius of the circle will be the distance between the centre of the circle and any point lying on the circle.

$\rm \text{Radius of the circle} = \sqrt{[(-4)-(-4)]^2+[(-2)-(1)]^2}\\\\\text{Radius of the circle} = \sqrt{(0)^2+(-3)^2}\\\\\text{Radius of the circle} = 3\ units$

Since the coordinate of the centre point of the circle is (-4,-2), while the radius of the circle is 3 units, therefore, the equation of the circle can be written as,

$[x-(-4)]^2+[y-(-2)]^2 = 3^2\\\\(x+4)^2+(y+2)^2 = 3^2\\\\(x+4)^2+(y+2)^2 = 9$