Answer:
A = 28.274ft^2
Step-by-step explanation:
Since we have the radius, we can find the area of the circle if it was a full circle.
[tex]A = \pi r^{2}[/tex]
Plug in the radius of 6 feet:
[tex]A = \pi 6^{2}[/tex] = [tex]113.09734[/tex]
With the area of the full circle, we can divide the area by 4 to get the area of a quarter of that circle.
[tex]113.09734 / 4 = 28.274335[/tex] or about [tex]28.274ft^{2}[/tex]
A sphere with a radius of 21cm JUST fits in a cube-shaped box. Calculate the amount of empty space in the box rounded to the nearest tenth of a cubic centimetre.
How do you solve this?
Answer:
Since its a cube and a sphere just fits in side it we know that both the sphere and the cube are 21cm wide and since its a cube the dimensions of the cube is 21*21*21 giving you 9,261 cm³ then you find the volume of the V=4/3π10³≈4849.04826 now all you have to do is subtract your two totals to get 4411.95174
Step-by-step explanation:
Brₐinliest plz
Answer:
35,295.6 cm^3 to the nearest tenth.
Step-by-step explanation:
The diameter of the sphere = 2*21 = 42.
The volume of the box = 42^3 ( because the dimensions of the box = the diameter of the sphere).
The volume of the sphere = 4/3 π r^3
= 4/3 π 21^3
So the empty space = 42^3 - 4/3 π 21^3
= 35295.615 cm^3.
Sally designed a gold bracelet using 8 thin gold circles, arranged each circle has a radius of 2.5 what is the diameter and what is the length '5cm' of the chain
Answer:
Diameter of the circle = 5.0 unit
The length of the chain = 40 units
Step-by-step explanation:
Given
Number of thin gold circles used for making bracelet is equal to 8
Radius of the circle = 2.5 units
Diameter of the circle = 2 * Radius of the circle
Diameter of the circle = 2 * 2.5 = 5.0 unit
The length of the chain = 8 * diameter = 8 * 5 = 40 units
Phoebe owns a business making birdhouses. The profit can be represented by p = 62 – 126 + 250, where p represents profit and b
represents the number of birdhouses she sells. How many birdhouses would she have to sell to make a profit of $263?
Emma took 20 1/4 cookies for her sleepover there was 50 1/2, Ava took 20 1/6 how many cookies did they both take
Answer:
40 5/12
Step-by-step explanation:
The cookies they both took can be determined by adding 10 1/4 and 20 1/6 together
[tex]20\frac{1}{4} + 20\frac{1}{6}[/tex]
[tex]40\frac{6 + 4}{24}[/tex]
[tex]40\frac{10}{24}[/tex]
the fraction is not in its simplest form, To transform the fraction to its simplest form, divide both the numerator and the denominator by 2
40 5/12
What is the volume, in cubic inches, of a cylinder with a height of 7 inches and a base radius of 2 inches, to the nearest tenths place?
87.96inches3 is wrong by the way
also any music suggestions
Answer: V=πr2h=π·22·7≈87.96459in³
Step-by-step explanation:
Which is equivalent to 3/84 ?
VEA *
+/W
78%
1/8*
3
4x
Comert
3T=_b
3 tons is equal to
pounds.
Answer:
i think 3 tons equal 6000 pounds
how do you find the volume of spheres?
answer choices: (5,6) (5,2) (3,6) (3,2).
can someone help me pls immediately!!! i’ll mark brainiest if u don’t guess or leave links. pls don’t guess tho actually know it if ur going to say the answer
Answer:
(3,6)
Step-by-step explanation:
If the starting point is the dot then we start from there - (4,4) then we go up 2 units at (4,6) then moving one unit to the left our answer is (3,6).
y 20 18 16 14 12 Total Cost ($) 10 000 2 3 1 2 Time (hours) 2. 3 4 6 8 y = IX +
6(x/2+4)≥9 what is the answer
Answer:
6(x/2 + 4)>9
x/2 + 4 > 9/6
x/2 + 4 > 3/2
x/2 > 3/2 - 4
2*(x/2) > 2*(3/2 - 4)
x > 3 - 8
x > - 5
Step-by-step explanation:
Answer:
X>-5
Step-by-step explanation:
Can i get brainiest please
Find the surface are of a prism
Answer:
c. 424 inches squared
Step-by-step explanation:
Surface Area = 2(Length x Base, Length x Height, Base x Height)
8 in. x 4 in. +
8 in. x 15 in. +
15 in. x 4 in. =
212 in.
212 in. x 2 = 424 in. squared (*REMEMBER TO SQUARE IT!!)
I hope this helped! <3
A 1,500-gallon hot tub is at a temperature of 38°C. Then, the hot tub's thermal energy increases. Assume its mass does not change.
Which is a possible new temperature for the hot tub?
ANSWER IS 37
Answer:
40⁰ C
Step-by-step explanation:
As long as the number is higher than 38⁰ C, it is a valid answer. as long as its not anything crazy like 111846284⁰ C. But anything around 40⁰ C would be a valid answer as long as the temperature is higher. mass doesn't matter. They are trying to trick you with the question lol
Martin is considering the expressions 12(7x+48) and −(12x−3)+4(x+5). He wants to know if one expression is greater than the other for all values of x. Show or explain how you found your answer to Part A. Enter your work or your explanation in the box provided.Write a new expression that always has a greater value than both of these expressions. Enter your expression in the box provided.
Answer:
Part A
The first thing we must do for this case is to rewrite both expressions.
We have then:
1/2 (7x + 48) = (7/2) x + 24
- [1 / 2x - 3] + 4 (x + 5) = - (1/2) x + 3 + 4x + 20 = (7/2) x + 23
Answer:
We note that the first expression is greater than the second for all values of x.
Part B:
A new expression that is greater than both written expressions is:
(7/2) x + 25
For all values of x, this expression is always greater.
Answer:
(7/2) x + 25
Step-by-step explanation:
ACME Institute of Technology changed its semester tuition from $17,500 to $17,900. Find the percent increase in the semester tuition at ACME.
A ride to the airport costs $13.86 plus
a $3.00 tip. If Michael and Jeff share
the ride, then how much will each person
pay?
Answer:
$33.72
Step-by-step explanation:
$13.86 + $3.00 + $13.86 + $3.00
$33.72
Solve the following system of equations using SUBSTITUTION method. {x−3y=2 2x−6y=6
Answer:
x=3-3y
Step-by-step explanation:
How many credit hours a student have to take for the two tuition cost to be equal round the answer to the nearest 10th of an hour 250+200 H equals 300+180 250+200 H equals 300+180-180-180 H 250+20 = 300 H equals credit hours
Answer:
Total credit hours a student have = 2.5 hours.
Step-by-step explanation:
P.S - The exact question is -
Given - The tuition costs, C, for a local community college are modeled by C(h) = 250 + 200h, where h represents the number of credit hours taken. The local state university has tuition costs, S, modeled by the function S(h) = 300 + 180h.
To find - How many credit hours will a student have to take for the two tuition costs to be equal.
Proof -
If the two tuition cost are equal, then
C(h) = S(h)
⇒250 + 200h = 300 + 180h
⇒200h - 180h = 300 - 250
⇒20h = 50
⇒2h = 5
⇒h = [tex]\frac{5}{2}[/tex]
⇒h = 2.5
∴ we get
Total credit hours a student have = 2.5 hours.
Help please!
Find the value of x. Round to the
nearest tenth.
12
Х
25°
x = [?]
Answer:
5.1
Step-by-step explanation:
Susan estimated she would spend $250 on school clothes at the start of the school year. She actually ended up spending only $230. What was her percent of error in her calculations?
Answer:
8.7%
Step-by-step explanation:
the formula for % error is = [ (approx. - exact ) / exact ] x 100
so, we know the approx value was 250 while the exact one is 230
thus; [ ( 250-230 ) / 230 ] x 100
= 8.7%
Which equation is equivalent to y=23x−6?
Answer:
d
Step-by-step explanation:
A. 2x + 3y = −6
B. 3x − 2y = 6
C. 3x − 2y = 12
D. 2x − 3y = 18
The degree of the polynomial below .
Answer:
C: 9
Step-by-step explanation:
The highest power in the polynomial is 9.
Can someone help me understand this and how to find it?
Answer:
triangle y= -3, triangle x= 5 M= -1 1/2
Step-by-step explanation:
actually I used the app that my teacher gave me in 7th grade so I'm gonna give it to you Just look up slope calculator and it says OMNI calculator
PLSSS HELPPP PLSSSS HELPPPP PLSSSS HELPPPPPP!!!!!!!!!!
Answer:
5 x + 3 = 23
Step-by-step explanation:
Answer:
5x+3=23
Step-by-step explanation:
Which triangle is NLM congruent to ? Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!
Answer:
Triangle YZX
Step-by-step explanation:
I put it in that order because L in triangle NLM is 42 and Z in triangle YZX is also 42.
Best of luck in school!
What is the following product?
(V14 - 13) (V12+17)
O 2.42 +7V7-6-V21
O √14-6+7
O 26+ V21 - /15 - 10
O 2./42 - 21
Answer:
the trid one becasue
Step-by-step explanation:
To get the correct answer, you can count the total number of shaded tenths and the total number of shaded hundredths and then regroup.
There are 9 shaded tenths and 18 shaded hundredths. Regroup 10 hundredths into 1 tenth to get 10 tenths and 8 hundredths. Then regroup the 10 tenths in one whole, giving you 1 whole and 8 hundredths. The product is 1.08.
Another way to get the answer is to count the total number of shaded hundredths. There are 108 hundredths. Regroup 100 of them as one whole, giving you 1 whole and 8 hundredths.
Option A is correct, the product of (√14 - √3) (√12+√7) is 2√42-7√2-6-√21
What is Expression?An expression is combination of variables, numbers and operators.
We need to find the product of (√14 - √3) (√12+√7)
Let us apply distributive property to solve this
√14(√12+√7) - √3(√12+√7)
√14.√12 + √14√7 -√3√12-√3√7
√168 + √98 -√36 -√21
168 can be written as 4 times of forty two.
98 can be written as forty nine times of 2.
So we get
2√42-7√2-6-√21
Hence, Option A is correct, the product of (√14 - √3) (√12+√7) is 2√42-7√2-6-√21
To learn more on Expressions click:
https://brainly.com/question/14083225
#SPJ7
in a triangle two sides of the same length the ratio of each of these sides to the third side is 5:3 if the perimeter of the triangle is 65 in find the length of each side of the triangle.?
Answer:
Step-by-step explanation:
Perimeter of a triangle equals side 1 plus side 2 plus side 2
P = s1 + s2 + s3 side 1 = side 2 = x
x/side 3 = 5 / 3
x = (5/3) side 3
x (3/5) = side 3
perimeter = 65 slove for x
65 = x + x + 3x/5
325 = 5x + 5x + 3x
325 = 13X
25 = x equal side 1 and side 2
side 3 = 25(3/5) = 15
Len has a board 9ft, 3in. If he cuts off 1ft 10in, what is the length of the remaining board?
Answer:
7.5 inches
Step-by-step explanation:
9ft 3in - 1ft 10in = 7.5 inches
hope this helps :)
please help I am confused
Answer:
y=-2x+11
Step-by-step explanation:
Slope-intercept form is y=mx+b.
Slope is rise/run, which is y2-y1/x2-x1. Using these points, that's (13-5)/(-1-3). This is 8/-4, or -2.
You can plug this into y=mx+b to get y=-2x+b.
To solve for b, you can use one of the original points and plug it back into the formula:
y=-2x+b
5=-2(3)+b
5=-6+b
b=11
So, putting it all together, you get y=-2x+11.
Let m = slope
m = (13 - 5)/(-1 - 3)
m = 8/-4
m = -2
Now use the point-slope formula.
Here is the formula: y - y_1 = m(x - x_1).
y - 5 = -2(x - 3)
y - 5 = -2x + 6
y = -2x + 6 + 5
y = -2x + 11
Done.
YOU HAVE A JAR OF PENNIES & QUARTERS. YOU WANT TO CHOOSE 25 COINS
THAT ARE WORTH EXACTLY $2.65
Answer:
10 quarters and 15 pennies