Given the following formula, solve for r c=2rr
Answers
c=2r, swap sides.
2r=c, divide both sides by 2.
r=1/2c, that should be your answer
Answer:
\( \sqrt{ \frac{c}{2} } = r\)
Step-by-step explanation:
c=2rr
c = 2r×r
c= 2r²
c/2= r²
\( \sqrt{ \frac{c}{2} } = \sqrt{ {r}^{2} } \\ \\ \sqrt{ \frac{c}{2} } = r\)
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If the cost to fill the pool is $2.55 per cubic foot, how much will it cost to fill the pool?
It will cost $_____ to fill the pool.
Answers
Answer: $1346.40
Step-by-step explanation:
Volume of the pool is:
\((6)(8)(8)+\frac{1}{2}(6)(8)(6)=528\)
This has a cost of \((528)(2.55)=\boxed{\$1346.40}\)
The volume of the pool will be 528 cubic feet. Then the cost to fill the pool will be $1,346.4.
What is the volume of the prism?Let the prism with A is the base area and a height of H. Then the volume of the prism is given as
V = A × H
Then the volume of the pool will be
V = [(6 × 8) + (1/2 × 6 × 6)] × 8
V = (48 + 18) × 8
V = 66 × 18
V = 528 cubic feet
Then the cost to fill the pool will be
C = $2.55 × 528
C = $1,346.4
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Solve the following:
NO BOTS OR PEOPLE WANTING POINTS!
Answers
Alleen's bi-weekly gross pay is $829.70. She sees that $174.25 was deducted for taxes. What percent of Alleen's bi-weekly gross pay has been withheld for tax? Round to the nearest whole percent. (1 point)
O 21%
20%
2%
O 1%
Answers
given that x has a Poisson of u=5 what is the probability that x =2
Answers
probability//
Step-by-step explanation:
tell me the tight answer you get brianliest
Answers
Answer:
1,A 2:C
Step-by-step explanation:
Answer:
Addition for 7
-42 + 42 = 0 by adding 42 you get rid of the -42
multiplication for number 8,
x/6 x 6 = x, always do the opposite of their operation for every question like these.
How many inches combined 1/2 1/3 1/6 1/2 1/8 1:4
Answers
Answer:
Imperial Units
155/8 Inches (fraction)
15.625 Inches
1.302083 Feet
Metric Units
396.875 Millimeters
39.6875 Centimeters
0.396875 Meters
5. In the morning, Kevin's cat eats 1/2 of a can of cat food. In the afternoon, the cat eats 1/4 of a can of food. In the evening, the cat eats 4/5 of a can of food. Which is the most reasonable estimate for the amount of food the cat eats throughout the day: 1 can, 2 cans, or 3 cans?
In just lazy so thanks people who are helping me
Answers
Answer:
2 cans
Step-by-step explanation:
1/2 + 1/4 + 4/5 = 1.55
2 is the best answer since we know the cat eats more than 1 and a half cans so the closest thing would be 2 cans
Find the area of the shaded regions. Give your answer as a completely simplified
exact value in terms of π (no approximations).
Answers
The area of the shaded region is 40π/3 square cm if the radius of the small circle r is 3 cm and the radius of the large circle R is 7 cm.
What is a circle?It is described as a set of points, where each point is at the same distance from a fixed point (called the center of a circle)
We have a circle in which the shaded region is shown.
The radius of the small circle r = 3 cm
The radius of the large circle R = 3+4 = 7 cm
The area of the shaded region:
= area of the large circle sector - an area of the small circle sector
= (120/360)[π7²] - (120/360)[π3²]
= 49π/3 - 3π
= 40π/3 square cm or
= 13.34π square cm
Thus, the area of the shaded region is 40π/3 square cm if the radius of the small circle r is 3 cm and the radius of the large circle R is 7 cm.
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Naomi's dining room is 7 yards wide and 7 yards long. Naomi wants to install wooden trim around the top of the room. The trim costs $9.00 per yard. How much will it cost Naomi to buy enough trim?
Answers
Look at the image below
Can i please got as much help as i can get on this?
Answers
√10 - This is an irrational number. 0 - This number is a whole number but not a natural number. -2.236 - This number is an integer but not a whole number.
What is natural number and whole number?Natural numbers: Positive numbers that range from 1 to infinity are known as natural numbers. N stands for the set of natural numbers. These are the numbers that we often use to count. N = 1, 2, 3, 4, 5, 6, 7 can be used to symbolise the collection of natural numbers.
Whole numbers: Positive numbers from 0 to infinity, including the number zero, are considered whole numbers. Fractions and decimals are not included in whole numbers. The letter "W" stands for the set of whole numbers. The set is denoted by the formula W = 0, 1, 2, 3, 4, 5.
√10 - This is an irrational number.
0 - This number is a whole number but not a natural number.
-2.236 - This number is an integer but not a whole number.
√16 - This number can be written as a natural number.
0.
- 15/3 - This number is rational but not an integer.
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In the given diameter 12cm and
Answers
Answer:
12.6 cm
Step-by-step explanation:
Given:
m<AOB = θ = 120°
Diameter (d) = 12 cm
Required:
Length of arc AB
Solution:
Length of arc AB = θ/360 × πd
Plug in the values
Length of arc AB = 120/360 × π×12
≈ 12.6 cm (nearest tenth)
4.Given w(x) =3×-2, v(x) =2×+7 and k(x)= -6x-7, find (w-v-k) (2)?
Answers
Answer:
12
Step-by-step explanation:
We input 2 into each function:
w(2) = 3(2) - 2 = 4
v(2) = 2(2) + 7 = 11
k(2) = -6(2) - 7 = -19
Then we place our answers in w - v - k
(4) - (11) - (-19)
= 4 - 11 + 19
= 12
Answer:
3x-2-2x+7--6x-7
3x-2x+6x-2+7-7
3x+4x-2
(7x-2)2
14x-4
Help pls! Need by 2 pm est time. Just do number 2 pls
Answers
Answer:
7 feet
Step-by-step explanation:
I hope my answer is correct!
Can somebody help me, I'm being timed!
Answers
Answer:
I think its -- linear postulate
Step-by-step explanation:
Calculate the amount you would pay (including tax) for an item normally priced $1199 that is currently 30% off, for which you have an additional 10% off coupon, in an area where sales tax is 7%. (the discounts can be stacked or figured sequentially, tax must be applied after the discounted price is determined)
Answers
Answer: The amount you would pay (including tax) for the item is:
$755.37 + $52.88 = $808.25
Step-by-step explanation: irst, we calculate the amount of discount that is applied to the original price:
30% of $1199 = 0.3 x 1199 = $359.70
So, the discounted price is:
$1199 - $359.70 = $839.30
Next, we apply the additional 10% off coupon to this discounted price:
10% of $839.30 = 0.1 x $839.30 = $83.93
The final price after the coupon is applied is:
$839.30 - $83.93 = $755.37
Finally, we calculate the sales tax on this final price:
7% of $755.37 = 0.07 x $755.37 = $52.88
The amount you would pay (including tax) for the item is:
$755.37 + $52.88 = $808.25
To be eligible for the swim team, the mean pace a student needs to achieve on 5 laps of the pool is 60 seconds (s). The student swims a lap in 63 s, 62 s, 65 s, and 58 s on her first four laps.
What is the maximum time (in seconds) that she can take on her last lap and still make the team?
Answers
52s is the maximum time that she can take on her last lap and still make the team.
What is Statistics?Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.
Given that he mean pace a student needs to achieve on 5 laps of the pool is 60 seconds (s).
The student swims a lap in 63 s, 62 s, 65 s, and 58 s on her first four laps.
We need to find the maximum time (in seconds) that she can take on her last lap and still make the team
Let x be the maximum time (in seconds) that she can take on her last lap
60=(63+62+65+58+x)/5
300=63+62+65+58+x
300=248+x
Subtract 248 on both sides
300-248=x
x=52s
Hence, 52s is the maximum time that she can take on her last lap and still make the team.
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Suppose that on January 1 you have a balance of $3,100 on a credit card whose APR is 13%, which you want to pay off in 1 year. Assume that you make no additional charges to the card after January 1. a. The monthly payment is?b. When the card is paid off, how much will you have paid since January 1?c. What percentage of your total payment from part (b) is interest?
Answers
The monthly payment M of an initial balancen P, with a APR r during a period of t months is given by:
\(M=P\frac{\frac{r}{12}(1+\frac{r}{12})^t}{(1+\frac{r}{12})^{12}-1}\)a) For P = $3,100, r = 13% and t = 12 months, we have:
\(M=3100\frac{\frac{0.13}{12}(1+\frac{0.13}{12})^{12}}{(1+\frac{0.13}{12})^{12}-1}\approx\text{ \$}276.88\)b) The total payment after 12 months will be:
\(T=12\cdot M=12\cdot276.88=\text{ \$}3322.60\)c) The total interest is given by:
\(I=\frac{T}{P}-1=\frac{3322.60}{3100}-1\approx0.072=7.2\%\)HELP IM GIVING BRAINLIEST
Answers
Answer:
AB, BC, AC
Step-by-step explanation:
Hopefully I helped!! :)
Simplify using the distributive property 7(n+2)
Answers
Answer:
7n + 14
Step-by-step explanation:
Multiply the number outside the parentheses by each quantity in the parentheses.
7(n + 2) = 7 × n + 7 × 2 = 7n + 14
Answer:
Step-by-step explanation:
distribute the 7 to the n.
then distribute the 7 to the 2.
=7n+14
Name the two functions used to form the rational function.
Answers
Answer:
A rational function is defined as the quotient of polynomials in which the denominator has a degree of at least 1 . In other words, there must be a variable in the denominator. The general form of a rational function is p(x)q(x) , where p(x) and q(x) are polynomials and q(x)≠0 ..
Explanation:
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A school supervisor wants to determine the percentage of students that bring their lunch to school. What method would assure random selection of a sample population?
Answers
To assure the random selection of a sample population for determining the percentage of students who bring their lunch to school, a method known as simple random sampling can be employed.
Simple random sampling is a technique that provides each member of the population an equal chance of being selected for the sample. Here's an explanation of how simple random sampling can be implemented in this scenario:
Define the population: The school supervisor needs to clearly define the population of interest, which would be all the students in the school.Assign a unique identifier: Each student should have a unique identifier, such as a student ID number, to differentiate them from one another.Generate a sampling frame: A sampling frame is a list of all the unique identifiers of the students. This could be obtained from the school's records or databases.Determine the sample size: The school supervisor needs to decide on the desired sample size, ensuring it is representative of the population while being practical to manage.Use a random selection method: Employ a random selection method, such as using a random number generator or a random number table, to select the required number of unique identifiers from the sampling frame.Contact selected students: Once the sample has been selected, the chosen students can be contacted to participate in the survey or data collection regarding whether they bring their lunch to school.know more about percentage here:
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27. What is the reflection image of (5, –3) across the y-axis? (–5, 3) (–5, –3) (–3, 5) (5, 3)
Answers
The search results are unrelated to the question of finding the reflection image of (5, -3) across the y-axis. To find the reflection image of a point across the y-axis, we need to change the sign of the x-coordinate of the point. Therefore, the reflection image of (5, -3) across the y-axis is (-5, -3).
In ΔEFG, f = 88 cm, g = 18 cm and ∠E=68°. Find the area of ΔEFG, to the nearest square centimeter.
Answers
The area of ΔEFG is approximately 916 square centimeters.
Given that,
In ΔEFG
f = 88 cm ,
g = 18 cm
∠E=68°
To find the area of ΔEFG,
Use the formula:
Area = (1/2)xfxgxsin(∠E)
First, we need to convert the angle from degrees to radians.
We can do this by multiplying by π/180.
∠E = 68° * π/180 ≈ 1.19 radians
Next, we can plug in the values we have:
Area = (1/2)x88x18xsin(1.19)
≈ 915.56 cm²
Rounding this to the nearest square centimeter,
we get,
Area ≈ 916 cm²
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What is the symbol ~, if you're trying to find the probability of ~A?
the addition probability
the probability of the event not happening
the multiplication probability
None of these choices are correct.
Answers
The symbol ~ (tilde) is commonly used to represent the negation or complement of an event. When we refer to ~A, it means "not A" or "the complement of A." In terms of probability, ~A represents the event not happening or the event A occurring.
what is the area measured and square centimeters of square picture below
Answers
Help Pleaseeeeeeeeeeeeee!!!!!!!!! Help!!!!!!!
Answers
Answer:
i think its C and E
Step-by-step explanation:
( correct me if im wrong, i hope this helps!! )
please i’ll fail if i don’t get this right. please i’ll give brainlyist The current temperature of 15°F below zero is 18°F below the high temperature of the day. What is the high temperature for the
day?
OA. 5°F
ов. 33°F
OC. 3°F
OD. 33°F
Answers
Answer:
I think its C
Step-by-step explanation:
which of the following represents a function
Answers
Answer:
Second option
Step-by-step explanation:
For a set to represent a function, each input value in the set domain should match with one and only one output value of set range.
The option that follows this rule os second option as 1 is matched with 2 only, and 3 is matched with 3 only, and 5 is matched with 7 only.
Mia drives 55 miles per hour. The total miles driven is given by the function C(m)=55
Answers
Answer:
Common difference is 55
Step-by-step explanation:
C(m)=55m
Substitute m=1 to find the distance traveled by Mia in one hour
55m= 55(1)
= 55
Distance traveled in one hour is 55 miles. Substitute m=2 to find the distance traveled by Mia in 2 hours
55m=55(2)
= 110
Distance traveled in 2 hours is 110 miles. Substitute m=3 to find the distance traveled by Mia in 3 hours
55m=55(3)
= 165
Distance traveled in 3 hours is 165 miles. Substitute m=4 to find the distance traveled by Mia in 4 hours
55m=55(4)
= 220
Distance traveled in 4 hours is 220 miles. Then the common difference is
d=110-55=165-110=220-165=55
Suppose f is the probability density function (PDF) and F is the cumulative distribution function (CDF) for the height (in meters) of trees in a forest. The statement F(5) = 0.27 means: The probability that a tree is less than 5 meters tall is 27%. The probability that a tree is 5 meters tall is 27%. The probability that a tree is at least 5 meters tall is 27%. Less than 5 trees are less than 0.27 meters tall. The probability that there are at most 5 trees is 27%.
Answers
The statement F(5) = 0.27 means that the probability that a tree is less than or equal to 5 meters tall is 0.27. In other words, the correct answer is: The probability that a tree is at most 5 meters tall is 27%.
The cumulative distribution function (CDF) gives the probability that a random variable is less than or equal to a certain value. In this case, F(5) gives the probability that a tree's height is less than or equal to 5 meters.
Therefore, the statement F(5) = 0.27 tells us that the probability that a tree's height is at most 5 meters is 0.27 or 27%. This means that 27% of the trees in the forest are 5 meters tall or shorter.
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