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
marusya05 [52]
3 years ago
8

PLEASE HELP

Mathematics
1 answer:
lions [1.4K]3 years ago
3 0
This question is easy if you think about it. First get the area of the rectangular part of the shape and then find area of the two semi-circles then add them together.

First, let's solve for the rectangle because it's easier.

Area for finding a rectangle A = w * l

A = 23 * 37
A = 851

Now for the semi-circle. First use the equation for finding the area of a circle which is A = Pi * r^2. We'll use 3.14 for Pi.

We know the diameter is 23. And to get the radius we just half it because the radius is half of the diameter.

23 / 2 = 11.5

A = 3.14 * 11.5^2
A = 3.14 * <span>132.25
</span>A = <span>415.265
</span>
Now we have the total area for both semi-circles. Because if we half 415.265 then add the other semi-circle's area it will be the same and adding them up will result in 415.265.

Now add up 851 and 415.265.

851 + 415.265 = <span>1266.265</span>

You might be interested in
Jon is in a raft 100m from the base of a 54m cliff. What is the angle of depression from the he top of the cliff to the raft? Le
kvv77 [185]

Answer:

28.4 degrees

Step-by-step explanation:

In the diagram attached

Height of the cliff, AB=54 m

Distance of the raft to the base of the cliff, AC=100m

We want to determine the angle of depression from the top of the cliff to the raft. This is angle OBA.

\angle OBA = \angle BAC $ (Alternate Angles)\\Therefore, in the right triangle ABC\\\tan A =\dfrac{BC}{AC}\\ \tan A =\dfrac{54}{100}\\\tan A =0.54\\A=\arctan 0.54\\A=28.4^\circ$ (to the nearest tenth)

The angle of depression from the top of the cliff to the raft is 28.4 degrees correct to the nearest tenth.

5 0
3 years ago
What’s the awnser(can someone do these for me i’m begging you my parents are gonna kill me)
puteri [66]

Answer:

-3/2

(2x-14)/3

(-2,-6)

Step-by-step explanation:

I solved the first one for you already ( -3/2)

To make a line perpindicular to another line they need to intersect at a 90 degree angle. To do this the slope of the lines have to be the negative  reciprical (take the fraction, flip it, and apply a negative sign to it)

If you do this to -3/2 you get 2/3

If we follow our y=mx+b equation from before we (so far) have

2/3x+b=y

which means that we just need to solve for b

We also know that it crosses the point (7,0) which means that if we plug in 7 for x and 0 for y we can solve for b

we have

(2/3)*7+b=0

Solve for B

14/3+b=0

b= -14/3

Which means our equation looks like this

(2x-14)/3

our two equations look like this

(-3/2)x-9

(2x-14)/3

We need to find where their coordinates are the same (where they intersect)

We can do this by setting them equal to each other and then solving for x

we have

(-3/2)x-9=(2x-14)/3

solve for x

-4.5x-27=2x-14

-13= 6.5x

x= -2

Now that we know what x equals we can plug this into any of our two beginning equations

(-3/2)*-2-9=y

3-9=y

-6=y

Which means our coordinates are (-2,-6)

if you have any questions let me know

6 0
3 years ago
Multiple choice question
Sav [38]
Area of triangle = (1/2)*b*h = (1/2)*7*10
= 7*5 = 35 squared cm
8 0
3 years ago
Read 2 more answers
Evaluate the expression f ÷ g for f = 3 and g = 18.
Inessa [10]

3/18

=1/6

Hope this helps!

Thanks!

-Charlie

8 0
3 years ago
Read 2 more answers
Can any one answer this question 13-5/6 pls help me
Agata [3.3K]

Answer: 13-5/6 is 12 and 1/6

Step-by-step explanation:

Mark me as brainliest if this helps!

4 0
3 years ago
Read 2 more answers
Other questions:
  • Other ways to write x divided by 12
    8·1 answer
  • (Next 4 questions.. )
    11·1 answer
  • How do you find how many cups are in a gallon
    9·2 answers
  • 2a + 3(2 + a) = _
    11·1 answer
  • X2 + 8xz + x + 8z<br><br> I NEED HELP FACTORING THIS
    5·1 answer
  • If x+y=5,then what is the value of x3+y3+15xy​
    13·1 answer
  • 2. Tyrel estimates that he can average $6.20 per hour throughout the week on all the jobs he does. Last week he worked 18.75 hou
    10·1 answer
  • Where? The crime was committed on the day and at one of the locations below, but which one? It happened where ALL the answers ar
    6·2 answers
  • Which word describes the relationship of the points (3, 1)
    7·2 answers
  • Evaluate the expression (3-2i)(3-2i) and write the result in the form a+bi ,where a is the real part of your answer and bis the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!