1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivahew [28]
3 years ago
9

Help with this please.

Mathematics
1 answer:
astraxan [27]3 years ago
8 0
Jdjdjdjdjdjdjjdiddhxxhxhx
You might be interested in
find the equation of the circle where (-9,4),(-2,5),(-8,-3),(-1,-2) are the vertices of an inscribed square.
solniwko [45]
Check the picture below, so, that'd be the square inscribed in the circle.

so... hmm the diagonals for the square are the diameter of the circle, and keep in mind that the radius of a circle is half the diameter, so let's find the diameter.

\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ -2}}\quad ,&{{ 5}})\quad 
%  (c,d)
&({{ -8}}\quad ,&{{ -3}})
\end{array}\qquad 
%  distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
\stackrel{diameter}{d}=\sqrt{[-8-(-2)]^2+[-3-5]^2}
\\\\\\
d=\sqrt{(-8+2)^2+(-3-5)^2}\implies d=\sqrt{(-6)^2+(-8)^2}
\\\\\\
d=\sqrt{36+64}\implies d=\sqrt{100}\implies d=10

that means the radius r = 5.

now, what's the center?  well, the Midpoint of the diagonals, is really the center of the circle, let's check,

\bf \textit{middle point of 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ -2}}\quad ,&{{ 5}})\quad 
%  (c,d)
&({{ -8}}\quad ,&{{ -3}})
\end{array}\qquad 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left( \cfrac{-8-2}{2}~,~\cfrac{-3+5}{2} \right)\implies (-5~,~1)

so, now we know the center coordinates and the radius, let's plug them in,

\bf \textit{equation of a circle}\\\\ 
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad 
\begin{array}{lllll}
center\ (&{{ h}},&{{ k}})\qquad 
radius=&{{ r}}\\
&-5&1&5
\end{array}
\\\\\\\
[x-(-5)]^2-[y-1]^2=5^2\implies (x+5)^2-(y-1)^2=25

8 0
4 years ago
Will mark brainlyist or however you spell it
eimsori [14]
Your answer should be C! Hope that helps
6 0
3 years ago
A window is in the shape of a kite. caleb wants to apply a layer of plastic film on the top half of the window so that the glass
vazorg [7]

The dimensions of the layer of film he will apply to the window is 18 inches in width and 7 inches in height.

<h3>What are the dimensions of the layer of film?</h3>

A kite is a four sided shape that can be divided into two pairs of equal-length sides that are adjacent to each other.

The dimensions of the upper part:

  • Width = 18 inches
  • Length = 14 inches / 2 = 7 inches

Please find attached the complete question. To learn more about kites, please check: brainly.com/question/2918354

#SPJ4

3 0
2 years ago
There are 20 classrooms in the high school with 30 students in each class. How many students are in the school?​
Sophie [7]
<h2>Required Answer:</h2>

\Large{\boxed{\tt{600 \:  Students}}}

<h2 /><h2>Question:</h2>

  • There are 20 classrooms in the high school with 30 students in each class. How many students are in the school?
<h2>To find:</h2>
  • No. of students
<h2>Given:</h2>
  • Total no. of classrooms = 20
  • students in each class= 30
<h2>Answer:</h2>
  • Total no. of students in school= Total no. of classrooms×students in each class
  • Total no. of students in school=20×30
  • Total no. of students in school=600

best of luck! ^_^

8 0
3 years ago
Read 2 more answers
2. The table shows the mass of fibres in 100 grams of each food item below. Food Mass of fibre (grams per 100 grams) Beans Bread
Andre45 [30]

Given that the amount of fiber in 100 grams of beans is 3.6 grams the amount of fiber consumed from  \mathbf{\frac{2}{3}} of the small tin is <u>4.8 grams</u>.

<h3>How can the amount of fiber consumed be calculated?</h3>

From the given table, we have;

Mass of fiber in 100 g of beans = 3.6 grams

Mass of beans in the small tin = 200 grams

The quantity of the beans eaten = \frac{2}{3} of the small tin

Required:

The amount of fiber to consumed from eating  \frac{2}{3} of the small tin

Solution;

Amount  \ of \ fiber \ consumed = 200 \, g \times \dfrac{3.6 \, g}{100 \, g}  \times \dfrac{2}{3}  = \mathbf{4.8 \, g}

Therefore;

The amount of fiber consumed by eating \frac{2}{3} of the small tin = <u>4.8 grams</u>

Learn more about fractions here:

brainly.com/question/20591763

3 0
3 years ago
Other questions:
  • 6=−w8 how can i solve this
    6·1 answer
  • At an art auction, Giannina's painting sold for over $300. Write an inequality that describes P, the price of Geannina's paintin
    13·2 answers
  • How do I simplify this?
    11·2 answers
  • What will be the multipicative inverse of -1/4??
    7·1 answer
  • Is 7.8 cm, 1.1 cm, 9.1 cm a triangle
    5·1 answer
  • Write the polynomial in standard form. Identify the degree and leading coefficient of the polynomial.
    10·1 answer
  • Complete the table... plz help ​
    8·1 answer
  • The two photos are both for the same question please help I dont know how to solve the revered graph
    6·1 answer
  • Convert 60 Litres to gallons
    11·2 answers
  • Lucy deposited $2500 into an account that earns 3% compound interest. How much interest will Lucy earn after 5 years?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!