Answer:
Step-by-step explanation:
diameter of circle = 6 in
radius r = 3 inm
area of circle = πr² = 9π in²
area of rectangle = 25×6 = 150 in²
total area = (9π + 150) in² ≅ 178.3 in²
What is the surface area of the regular pyramid below?
8
8
O A. 544 sq. units
B. 304 sq. units
OC. 256 sq. units
D. 184 sq. units
The total surface area of the given pyramid is 304 sq units.
What is pyramid?A pyramid is three dimensional shape. A pyramid has a polygonal base and flat triangular faces, which join at a common point called the apex.
Every face of the pyramid is triangular except the base. The base is square shaped. So we will use the formula of area of triangle to find the area of each face of the pyramid. And we will use the formula of area of square to find the base area of the pyramid.
The area of triangle is = (1/2)×base×height
The are of square = (side)²
Given that the length and breadth of base is = 8 units
So, the area of base is = 8²=64 sq units.
Also the height of the each triangular face is 15 units.
So, the area of each face is = (1/2)×8×15
=4×15
=60 sq units.
So, the total area of four triangular faces of the pyramid = 4×60
=240 sq units.
Hence, the surface area of the pyramid = Area of four traingular faces + Area of square base
=240+64
=304sq units
Thus , The required surface area of the pyramid is = 304 sq units
To learn more about pyramid click here:
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two times the sum of a number and 18 is at least -21
Answer:
2x + 18 ≥ 21
x ≥ 2/3
Step-by-step explanation:
Let sum be X
2 times the sum means 2x
the sum of a number and 18 means x + 18
at least -21 means ≥ 21
put them together, and you get, 2x + 18 ≥ 21
If solving for x,
2x + 18 ≥ 21
2x ≥ 3
x ≥ 2/3
khan academy help! will give out brainliest answer
Answer:
A
Step-by-step explanation:
Answer d
because if we use option a then second part of the question will not satisfy
if we use option b then first part will not satisfy
hence.this question has no solution
pls help
Find the missing side length.
Assume that all intersecting sides meet at right angles.
Be sure to include the correct unit in your answer.
Answer:
the answer is 12 yd if you are talking about the question mark.
Step-by-step explanation:
Well, if you split this figure into two rectangles, then the 16 yd length becomes 12 yd because the one congruent to it is 4 yd. Both sides are congruent so you'd get 12 yd.
Answer:
BRAINLIEST
Step-by-step explanation:
Yoooo I need help like right now please help me!!!
Answer:
50.99
Step-by-step explanation:
do pi x 16.23 to find circumference.
What is the slope of the line for (-9, -3) (-7, -5)
Answer:
0
Step-by-step explanation:
-7+-3
0
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Solve simultaneous equations
11s+9t=116
5s+9t=92
Answer:
4
Step-by-step explanation:
11s+9t=116
5s+9t=92
Minus bottom equation from the top
6s+0=24
divide 6 on both sides
s=4
Find the equations of the two lines through the point (-5,5) which are at a distance of root 5 from the
origin.
Answer:
Step-by-step explanation:
hello : here is an solution
what is the slope between points (0,0) and (3,4)
Answer:
4/3
Step-by-step explanation:
slope= y2-y1 / x2-x1 = 4-0 / 3-0 = 4/3
which country excellent for fishing ?
Answer:
The answer is China.
Step-by-step explanation:
Hope it helps:))
Answer:
China accounts for over 30 percent of the world's fish production, making them the number one country for fishing when it comes to sheer numbers.
Step-by-step explanation:
if someone could answer the first and second question thank you!!
Answer: it’s black,there’s no question
Step-by-step explanation:
Answer: eh? I can't see anything
Explanation: have a nice day hyung ￣▽￣❤️
Can anyone help me please??
Answer:
9.38cm
Step-by-step explanation:
you have a right triangle. use pathagorean
x^2 + 9^2 = 13^2
x^2 + 81 = 169
x = √88
x = 9.38
Select the correct answer from each drop-down menu.
Two sides of a right triangle measure 5 inches and 6 inches, and the third side measures V61 inches.
inches.
The length of the third side is about
inches. The perimeter of the triangle is about
Please help
Answer:
7.8 and 18.8 is your answer
Step-by-step explanation:
give other person brainliest and yes Ik I’m very late ~w~
At a water park there is a slide that you really want to ride. In order to get to the top of the 29 foot slide you must first climb a ladder. When you finish the ride you end up 21 feet from the base of the ladder. How tall is the ladder you must climb in order to get to the top
Answer: 20 feet
Step-by-step explanation:
This represents a right angled triangle with the length of the slide being the hypotenuse, the height of the ladder being the height of the triangle and the distance from the base of the ladder being the length.
Solve with Pythagoras rule:
c² = a² + b²
c = hypotenuse
a= length
b = height
29² = 21² + b²
841 = 441 + b²
b² = 841 - 441
b² = 400
b = √400
b = 20 feet
Find the volume of the cone.
Answer:
628.31853
Step-by-step explanation:
V=πr2h
3=π·102·6
3≈628.31853
Answer:
200π
Step-by-step explanation:
h/3πr²
6/3· 10² · π
2 · 100 · π
= 200 π
How much would it cost to buy a cover for the pool that costs $0.30 per square foot?
A T-shirt launcher can launch 5 shirts in 20 minutes. What’s the rate in shirts per hour
Answer:
4
Step-by-step explanation:
20/5=rate
4=rate
Find the missing side.
Round your answer to the nearest tenth
A factory can build 15 cars every hour. If at a certain time of day , they have already built 9 cars,how many cars in total will they have built 5 hours from now?
Answer:
They would have built 84 cars
Step-by-step explanation:
From the question, they have already built 9 cars
Now, the hourly production rate is 15 cars per hour;
So therefore, in 5 hours, total that would have been built excluding the initial 9 will be;
15 * 5 = 75 cars
Now, let us add the initial 9
we have this as 9 + 75 = 84 cars
Consider this system of equations.
f(x)=x−4g(x)=−x−2
Plot the point that represents the solution to the equation f(x)=g(x).
We are given two functions.
[tex]f(x)=x-4\\g(x)=-x-2[/tex]
The point that represents the equation [tex]f(x)=g(x)[/tex], will also be the intersection of those two lines, meaning we can set the two equations equal to each other and solve for [tex]x[/tex].
[tex]f(x)=g(x)\\x-4=-x-2\\2x=2\\x=1[/tex]
Now that we are given the x value, we can plug this value back into either equation and solve for the y value.
[tex]f(1)=1-4\\f(1)=-3[/tex]
The point of intersection will be [tex](1,-3)[/tex].
Hope this helps!
Answer:
x=-1
Step-by-step explanation:
x-4=-x-2
x+x=-2+4
2x=-2
x=-1
What is the distance around this figure?
Answer:
40
Step-by-step explanation:
i think? i may have not understood the picture correctly, so if this is wrong i apologise
have anyone seen raaz?
Answer:
...Who is that??
Answer:
Magic sarap
Step-by-step explanation:
Please help me I’m timed X + 1/4=3/4
Answer:
1/2 or 0.5!!!!!!!!!!!!!
Answer:
x=1/2
Step-by-step explanation:
take 1/4 from each side to get x on it's own.
You must show all your work to credit
In triangle ABC below , which is the longest side?
Answer:
the longest side is AC
Step-by-step explanation:
The longest side will be opposite the largest angle.
4x+(2x-6) + (4x-4) = 180 (all triangle interior angles add up to 180 degrees)
simplify:
10x - 10 = 180
10x = 190
c= 19
angle B = 4(19) = 76 degrees
angle A = 2(19) - 6 = 32 degrees
angle C = 4(19) - 4 = 72 degrees
so the longest side is AC
Which of the following inequalities is correct?
-10 > |-10|
-9 ≥ -7
0 < -13
6 ≤ |-6|
help
How would I simplify x+2y<4 so I can graph it
Answer:
y < -1/2x + 2
Step-by-step explanation:
x+2y<4
subtract x from both sides
2y<-x+4
then divide both by 2
y< -1/2+2
Find the linear function for F in terms of H
Answer:
F = -20h + 450
Step-by-step explanation:
To find the linear function, we will use the coordinate points (1, 430) and (2, 410)
Get the slope;
m = ΔF/Δh = 410-430/2-1
m = -20/1
m = -20
Get the y intercept b
Substitute m = -20 and (1, 430) into y = mx+b
430 = -20(1) + b
430+20 = b
450 = b
Swap
b = 450
Get the required equation
y = -20x + 450
replace x with h and y with F
F = -20h + 450
Hence the required equation is F = -20h + 450
Alex used 0.73 kilogram of flour each day for 2 weeks. How many grams did Alex use in those 2 weeks ?
Answer:
10.22 kilograms
Step-by-step explanation:
14 days in 2 weeks so,
0.73 * 14= 10.22
What is the exact value of sin 870°?
Answer:
sin 870 degree = sin 870° = sin( 720°+ 150° ) sin 150° = sin 30° = 1/2
Step-by-step explanation:
PLEASE HELP ME I'LL GIVE BRAINLEST!!
Answer:
it is C and E