Answer: 40
Step-by-step explanation:
Answer:
[tex]16\pi - 24\sqrt{3}[/tex]
Step-by-step explanation:
The shaded area is the area of the circle minus the area of the hexagon. (It's like a circle with a hexagon cut out of it.)
Area of the circle is [tex]A_\text{circle} =\pi r^2 = \pi\cdot 4^2 = 16\pi[/tex]
Area of the hexagon. The attached image shows two radii drawn that create an equilateral triangle with three 60 degree angles. The blue altitude (marked h) splits that triangle into two 30-60-90 triangles. The bottom side is split into two 2-unit segments. The altitude h is the short leg of the 30-60-90 triangle multiplied by [tex]\sqrt{3}[/tex].
So, the area of one equilateral triangle is [tex]\frac{1}{2}(\text{base})(\text{height})=\frac{1}{2}\cdot 4\cdot 2\sqrt{3}=4\sqrt{3}[/tex].
The hexagon is made up of 6 such equilateral triangles, so its area is [tex]A_\text{hexagon}=6\cdot 4\sqrt{3}=24\sqrt{3}[/tex]
Finally, the shaded region has area (circle minus hexagon):
[tex]16\pi - 24\sqrt{3}[/tex]
first to answer correctly please actully try and an explanation if u can ! :) thanks
Answer: The total of all side lengths must equal 180 degrees
Step-by-step explanation:
if you take 180-100=80 then you have the two missing angles, divide 80 by 2 and you get 40 so 1 x measurment equals 40 degrees
Will Give Brainliest!
f(1) = -3
f(n) = 2 * f(n-1) + 1
f(2) = ?
Answer:
f(1) = -3 f(n) = 2 f(n - 1) + 1 f(2)
Alternate form:
{f(n) = -f(1)/3, f(n - 1) = f(1)/2 - f(2)/2}
Answer:
f = -3
Step-by-step explanation:
F(1)=-3
Re-order the terms so constants are on the left
f . 1 = -3
1 f = -3
multiply by 1
1 f = -3
f = -3
NO LINKS please. Someone help
Answer:
square root of 65
Step-by-step explanation:
all i am going to say is, Pythagorean theorem.
write an equation for the line that is parellel to the given line and that passes through the given point?
y = 2x + 7; (3, 11)
a.y = 2x – 19
b.y=1/2x+5
c.y= -1/2x-5
d.y = 2x + 5
Answer:
y = 2x + 5 (answer d)
Step-by-step explanation:
Parallel lines have the same slope, and thus, if we're given y = 2x + 7, we know that the slope of the 'new' line is 2. This 'new line' passes through (3, 11). Begin with the point-slope formula y - k = m(x - h) and substitute 3 for h, 11 for k and 2 for m:
y - 11 = 2(x - 3)
Rewriting this in slope-intercept form, we get:
y = 2x - 6 + 11. or y = 2x + 5 (answer d)
Someone help me please
Answer:
{x+[5] } { [4]x-[1] }
hope this helps you☺️☺️
Find the total time.
45 + 42 + 38
Answer:
Hello There!!
Step-by-step explanation:
Here is your answer:45 + 42 + 38=125.
hope this helps,have a great day!!
~Pinky~
After Karen ate an dropped those apples which two types have the same number of apples
Answer:
Well considering it only talks about fiji and gala apples those have got to be your answers
Step-by-step explanation:
Limit question thing plz help me
Answer:
The limit does not exist
Step-by-step explanation
For this question you have to look at the function and see what y value does it approach as it gets closer and closer to x =2, from the left side it looks like it approaces 4 and from the left side it looks like it's approaching 1, since the limits from the left and right sides are not the same, the limit does not exist
Describe and correct the error in solving the equation.
27 = n-15
-15 +15
12 = n
Robert wears a suit o work every day. In his closet, he has 3 blazers, 5 button-up shirts, 12 bow ties, 6 pairs of pants, and 3 pairs of shoes. How many different outfits can he put together?
Answer: 3
Step-by-step explanation:
He can put 3 different outfits together
Tom and Jane left for school, Tom walked to school on route A which was 4.5 kilometers while Jane walked to school on route B which was 8 kilometers 450 meters. How long did Jane take to reach to school than Tom?
Answer:
3.95 km
Step-by-step explanation:
The computation is shown below:
As both left for school
Tom walked to school on route A i.e. 4.50 kilometer
And, Jane walked to school on route B i..e 8 kilometers & 450 meters i.e. 8.45 kilometers
So, the more km that jane would take to reach to school as compared with Tom is
= 8.45 km - 4.50 km
= 3.95 km
Please help thank you
Answer:
hdjhdhdhdjdvdvddiwhegwiwiwhegeeuui
A cube has edges measuring 7 centimetres each. Determine the surface
area of the cube.
Answer: I think its 294cm²
Which scenario does not represent exponential growth?
mold growing on stale bread
A species of fish doubles its population every month during the summer.
The value of a bank account with quarterly compounded interest after 6 years
A vine grows 6 inches every week.
Answer:
I believe the correct answer is - The value of a bank account with quarterly compounded interest after 6 years.
I'm not sure if this is 100% correct but hope it helps.
Joyce wants to
make a design using the pattern of
square tiles shown below. She wants
to use this pattern four times. How
many white tiles does she need?
Let p=3x+4. Which equation is equivalent to (3x+4)^2-36=15x+20 in terms of p
Answer:
The equation is "[tex]\bold{p^2-5p-36=0}[/tex]"
Step-by-step explanation:
Given:
[tex]\to p=3x+4[/tex]
evaluate [tex](3x+4)^2-36=15x+20[/tex] in terms of p=?
[tex]\to (3x+4)^2-36=15x+20\\\\\to (3x+4)^2-36=5(3x+4)\\\\\to p^2-36=5p\\\\[/tex]
Expression in terms of p:
[tex]\to \bold{p^2-5p-36=0}\\\\[/tex]
[tex]\to p^2-(9-4)p-36=0\\\\\to p^2-9p+4p-36=0\\\\\to p(p-9)+4(p-9)=0\\\\\to (p-9)(p+4)=0\\\\\to p-9=0 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \to p+4=0\\\\\to \bold{p=9 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \to p=-4}\\\\\to 3x+4=9 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \to 3x+4=-4\\\\\to 3x=5 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \to 3x=-8\\\\\to x=\frac{5}{3} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \to x=- \frac{8}{3}\\\\[/tex]
The value of p: 9 and -4
Equation is: [tex]\bold{p^2-5p-36=0}[/tex]
Devin is making a candle by pouring melted wax into a mold in the shape of a square pyramid. Each side of the base of the pyramid is 6 cm and the height of the pyramid is 9 cm. To get the wax for the candle, Devin melts cubes of wax that are each 4 cm by 4 cm by 4 cm. How many of the wax cubes will Devin need in order to make the candle? Show your work.
The volume of the square pyramid is 6 x 6 x 9/3 = 108 cubic cm.
Volume of the cube = 4 x 4 x 4 = 64 cubic cm
Number of cubes needed: 108/64 = 1 11/16 cubes (1.6875)
Answer:
Solution given:
square pyramid
each side of base[b]=6cm
height[h]=9cm
Volume of square pyramid[V]=[tex] \frac{1}{3 } {b}^{2} h \\ \frac{1}{3} {6}^{2} \times 9 = 108cm ^{3} [/tex]
now
length of cube [l]=4cm
volume of cube[v]=l³=4³=64cm³
now
no of wax needed=[tex] \frac{V}{v} [/tex]=[tex] \frac{108cm³}{64cm³} [/tex]=[tex] \frac{27}{16 } =1\frac{11}{16} [/tex]
is needed.
Plsss help I don’t have time!!!!!
Answer:
D) y=5x+20
Step-by-step explanation:
On a fith grade benchmark exam with 55 questions total sunny answerd 80 % of them how many questions did he answer correctly
Answer:
44 answers
Step-by-step explanation:
80% of total questions are answered, ie 80% of 55 questions are answered.
So, (80/100) x 55 , ie 44 questions are answered.
Assuming that all answered questions are correct, 44 answers are correct.
can anyone help me with please
NO LINKS PLEASE- OR I SWEAR-
What is Q1 of the data set? *
A. 70
B. 80
Answer:
lol im guessing b?
Step-by-step explanation:
tell me if i got it wrong if so ill try to fix my answer
anyone know ??? i need help badly right now
Answer:
Answer is A 520mm²
I hope you like it
Answer:
9. C, II and III.
10. The correct answer is 944 cubic mm, as far as I can tell. I double checked my formulas and calculations. You can copy the formulas/calculations below and email your teacher. I have tried to figure out how they got the numbers they have. The best guess I can come up with is that they used 6 as the diameter of the cylinder, using 3 for the radius. That gets us closer, at 749 cubic mm, but not quite there.
Step-by-step explanation:
9. If the cylinder is standing upright, the horizontal cut would be a circle or oval, and the vertical cut could be a rectangle
10. First we'll get the volume of the base rectangle. Then we'll calculate the volume of a cylinder, then divide that part in half, because it's 1/2 a cylinder on top of a rectangular prism.
Volume of a rectangular prism:
V = (length)(width)(height)
= 11 x 9 x 6 = 594 cubic mm
Volume of a cylinder:
V = (pi)(radius)^2(height)
The radius = 1/2 the diameter of the circle...the diameter is 9, so the radius is 4.5
= (3.14)(4.5)(4.5)(11)
= 699.435
That would be for a full cylinder with radius 4.5 and height of 11. We have half of one, so 699.435/2 = 349.7175 cubic mm
Add the volume of the 1/2 cylinder to the volume of the rectangular prism:
349.7175 + 594 = 943.7175, rounded = 944...which is none of your answers :/
Sorry I couldn't give you an "A, B, C, D" answer, but I don't think any of those are correct.
How may solutions does 6x+8=2(3x+5) have??
Answer:
one solution
Step-by-step explanation:
Please someone help I need to turn this in soon !!
Answer:
6
Step-by-step explanation:
18/3=6
Andi berenang 6 hari sekali, Dodi setiap 5 hari sekali, sedangkan Riki setiap 3 hari sekali. Pada tanggal 1 Juli 2017 mereka berenang bersama-sama. Mereka akan berenang bersama-sama lagi pada tanggal ….
Menjawab:
31 Juli 2017
Penjelasan langkah demi langkah:
Dapatkan kelipatan umum terendah dari tiga hari berenang:
Kelipatan dari:
6 = 6, 12, 18, 24, 30, 36, 42, 48
5 = 5, 10, 15, 20, 25, 30, 35, 40, 35
3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42
Kelipatan persekutuan terendah adalah 30
Hari angsa bersama = 1 Juli 2017
Tanggal sarang di mana ketiganya akan berenang bersama adalah setelah 30 hari:
1 Juli 2017 + 30 hari = 31 Juli 2017
Krissy bought a scooter for $68. She sold it and made an 85% profit. Enter the amount Krissy sold the scooter for.
In the school election, Tammy received 3 out of every 7 votes. What percent of the votes was this (approximate to the nearest percent)?
Answer:
[tex]42.86, or 43[/tex]%
Step-by-step explanation:
3 out of 4 as a percentage is 42.86.
Find the area of the figure
Answer:
400 square yards
Step-by-step explanation:
square part = l x w = 20 x 15 = 300
triangle part = 1/2 b x h = 1/2 (20) (10) = 100
300 + 100 = 400
Need some help with this photo it would be much appreciated :)
Answer:
12.6
Step-by-step explanation:
c=2 x 3.14 x r
2 x 3.14= 6.28
6.28 x 2= 12.56
Work out size of Angle x
Answer:
106
Step-by-step explanation:
all 3 of the angles add up to 360
you already know one is 164 and one is a right angle so
164 + 90 = 254
360 - 254 = 106