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3 years ago

Can anyone help me please?

Mathematics

2 answers:

Luda [366]3 years ago

5 0

Answer:

Step-by-step explanation:

<h3>to understand the solving steps</h3><h3>you need to know about:</h3>

$circle$
$area \: of \: a \: circle \: = \pi r ^{2}$
$pemdas$
$redious \: of \: a \: circle \: = \frac{d}{2}$

<h3>given:</h3>

diameter:4in

π≈3

<h3>to solve:</h3>

redious

area of the circle

<h3>let's solve:</h3>

to figure out the area

we need to figure out the redious first

so the redious is 4/2 =2in

and the area of the circle is

πr²

3×2² in²

3×4 in²

12 in²

kow [346]3 years ago

3 0

12inches because 3 is pi and 2 is Radius so 3x2squared=12

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meriva

Answer:

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5 0

3 years ago

Read 2 more answers

How do you graph? <br> y=−4/3x+8y

trasher [3.6K]

How do we graph anything? Make a table of values for x and y and then plot each point. After plotting each point on the xy-plane, connect each point with a straight line or curve (depending on the function).

In this case, we must first isolate y.

y = (-4/3)x + 8y

y - 8y = (-4/3)x

-7y = (-4/3)x

y = (-4/3)x ÷ (-7)

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Now follow the steps above.

8 0

3 years ago

A) 77°<br> C) 109°<br> B) 167°<br> D) 150°

Grace [21]

Answer:

Wat is the question?

Step-by-step explanation:

5 0

3 years ago

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Find the x-intercepts of the parabola with vertex (1,-108) and y-intercept (0,-105). Write your answer in this form: (X1,y1), (x

Stolb23 [73]

Answer:

(7, 0) and (-5, 0)

Step-by-step explanation:

<u>Vertex form</u>

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

(where (h, k) is the vertex)

Given:

vertex = (1, -108)

$\implies y=a(x-1)^2-108$

Given:

y-intercept = (0, -105)

$\implies a(0-1)^2-108=-105$

$\implies a(-1)^2=-105+108$

$\implies a=3$

Therefore:

$\implies y=3(x-1)^2-108$

The x-intercepts are when y = 0

$\implies 3(x-1)^2-108=0$

$\implies 3(x-1)^2=108$

$\implies (x-1)^2=36$

$\implies x-1=\pm \sqrt{36}$

$\implies x=1\pm 6$

$\implies x=7, x=-5$

Therefore, the x-intercepts are (7, 0) and (-5, 0)

7 0

2 years ago

is my dad abusive? today he grabbed my ears so hard and they turned so red and he put his arms around my face. then he kicked me

natali 33 [55]

Answer:

Step-by-step explanation:

OMG! Don't do that! I am so sorry this is happening to you. Look I don't know how to comfort you. IF he keeps doing this tell your mom or litterally call 911. If he did it just on that day then try confronting him on it. And ask him why he did that! Don't self-harm you deserve so much more than that! You are awesome!

6 0

3 years ago