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
faust18 [17]
2 years ago
11

Find the Perimeter and Area

Mathematics
1 answer:
igor_vitrenko [27]2 years ago
3 0

Answer:

Area = 20.28 cm^2

Perimeter = 16.28 cm

Step-by-step explanation:

The figure is composed of a half circle and a rectangle,

The circle has a diameter of 7 - 2 - 1 = 4cm and the rectangle is of side 2 cm and 7 cm.

Therefore the area is :

Area = A rectangle + Acircle/2 = 2*7 + pi*r^2/2 = 20.28 cm^2

The perimeter is :

Perimiter = 1 + 2 + 7 + Pcircle/2 = 1 + 2 + 7 + 2*pi*r/2 = 16.28 cm

You might be interested in
Answer it answer it answer it
AysviL [449]

Answer: D.

Step-by-step explanation: If you look closely, putting a 100 wouldn't make sense

6 0
3 years ago
Read 2 more answers
A woman has 19 coins in her pocket, all of which are dimes and quarters. If the total value of the coins is $ 3.55, how many dim
mars1129 [50]
13 quarters = 3.25 and 3 dimes =.30 which = 3.55
4 0
2 years ago
Anton leaves a cup of hot chocolate on the counter in his kitchen. Which graph is the best representation of the change in tempe
NNADVOKAT [17]

Answer:

Step-by-step explanation:

May I please see the graph?

8 0
2 years ago
Evaluate the spherical coordinate integral
expeople1 [14]

Rewrite the equations of the given boundary lines:

<em>y</em> = -<em>x</em> + 1  ==>  <em>x</em> + <em>y</em> = 1

<em>y</em> = -<em>x</em> + 4  ==>  <em>x</em> + <em>y</em> = 4

<em>y</em> = 2<em>x</em> + 2  ==>  -2<em>x</em> + <em>y</em> = 2

<em>y</em> = 2<em>x</em> + 5  ==>  -2<em>x</em> + <em>y</em> = 5

This tells us the parallelogram in the <em>x</em>-<em>y</em> plane corresponds to the rectangle in the <em>u</em>-<em>v</em> plane with 1 ≤ <em>u</em> ≤ 4 and 2 ≤ <em>v</em> ≤ 5.

Compute the Jacobian determinant for this change of coordinates:

J=\begin{bmatrix}\frac{\partial u}{\partial x}&\frac{\partial u}{\partial y}\\\frac{\partial v}{\partial x}&\frac{\partial v}{\partial y}\end{bmatrix}=\begin{bmatrix}1&1\\-2&1\end{bmatrix}\implies|\det J|=3

Rewrite the integrand:

-3x+4y=-3\cdot\dfrac{u-v}3+4\cdot\dfrac{2u+v}3=\dfrac{5u+7v}3

The integral is then

\displaystyle\iint_R(-3x+4y)\,\mathrm dx\,\mathrm dy=3\iint_{R'}\frac{5u+7v}3\,\mathrm du\,\mathrm dv=\int_2^5\int_1^45u+7v\,\mathrm du\,\mathrm dv=\boxed{333}

5 0
3 years ago
WILL GIVE BRAINIEST!!
AnnZ [28]

Answer:

its b

Step-by-step explanation:

thankkkkk me later

5 0
3 years ago
Other questions:
  • The points plotted below are on the graph of a polynomial. Which of the following x-values best approximate roots of the polynom
    14·1 answer
  • Find the value of two numbers is there some is 12 and there difference is 4
    15·1 answer
  • Fill in the table of values and graph the function y=2^x-3 on the coordinate plane below
    11·1 answer
  • How to graph quadratic equations
    12·1 answer
  • A tennis player is standing 12 meters from the base of the net when he hits the ball.the ball passes over the net and lands on t
    9·1 answer
  • I AM thinking of teo number when i add them, i get 17. When i subtract them i get 5. What are the two number
    5·2 answers
  • What is the area of a given circle in terms of pi 9.6m
    7·2 answers
  • I need help!!!!!!! I will give brainliest!!!!
    10·2 answers
  • Find the slope of the line
    14·2 answers
  • The opposite sides of a parallelogram are _____?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!