Answers
Answer:
area 1017.88
circumference 113.1
B area
C circumference
Step-by-step explanation:
πx18squared by 2≈ 1017.876 round the number to get 1017.88
2xπx18≈113.09 round it to get 113.1
Related Questions
423 divided by 8.
It's a long division equation so it needs a remainder .
Answers
Answer:
52 7/8
Step-by-step explanation:
The answer is 52 with a remainder of 7.
Step-by-step explanation:
It has a very long half-life.
Helpity help??????????????????????????????
Answers
Equation: 8=4b
b=2
Explanation:
The green line equals 8 and the black time equals 2b+2b. So to form an equation where the green line equals the black line it would look like: 8=2b+2b
8 being the green line
2b+2b being the black line
Then the directions tell us to combine like terms, like terms are terms that are the same such as 2b in this problem, and to combine them means to add them together.
So, 2b+2b= 4b
So the answer is, 8= 4b
In order to solve this equation divide both sides by 4.
Which leaves you with: 8/4= b
Now solve 8/4:
Which gives you:
b=2
Help me please anyone
Answers
Answers:
12 red and 9 green counters originally
=======================================================
Explanation:
r = number of red counters originally in the bag
g = number of green counters originally in the bag
We have g number of green counters out of g+r counters total. The probability of picking green is g/(g+r). We set it equal to 3/7 as this is the stated probability of picking green.
Let's solve for g
g/(g+r) = 3/7
7g = (g+r)*3 ... cross multiply
7g = 3g+3r
7g-3g = 3r
4g = 3r
g = 3r/4
g = (3/4)r
g = 0.75r
We'll use this equation later.
------------------------------------------
Whatever counter is selected is placed back into the bag, or it is replaced.
Now we add 2 more red and 3 more green counters.
The green goes from g to g+3, while the total goes from g+r to g+r+2+3 = g+r+5
The probability of picking green after these counters are added in is now (g+3)/(g+r+5) which is the same as 6/13.
We get the equation
(g+3)/(g+r+5) = 6/13
We'll plug in the previous equation we found (when we isolated g), and solve for r like so
(g+3)/(g+r+5) = 6/13
(0.75r+3)/(0.75r+r+5) = 6/13
(0.75r+3)/(1.75r+5) = 6/13
13(0.75r+3) = 6(1.75r+5) ... cross multiply
9.75r+39 = 10.5r+30
9.75r-10.5r = 30-39
-0.75r = -9
r = -9/(-0.75)
r = 12
There were originally 12 red counters in the bag
g = 0.75*r
g = 0.75*12
g = 9
And there were originally 9 green counters in the bag.
This would mean there were 9+12 = 21 counters total. The probability of picking green is 9/21 = (3*3)/(3*7) = 3/7 which matches with what the instructions are saying.
If we added 2 red and 3 green, then we have 9+3 = 12 green and 21+2+3 = 26 total. The probability of picking green now is 12/26 = (2*6)/(2*13) = 6/13. This also matches with what the instructions mention. Therefore, the answers have been confirmed.
1/2 x ( 6 x 4 ) divided by (3 + 2)
Answers
Answer:
Step-by-step explanation:
[tex]\frac{\frac{1}{2} *(6*4)}{3+2}\\\\\frac{12}{5} \\\\2.4 = 2\frac{2}{5}[/tex]
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Answers
Answer:
(-t)^5
Explanation:
There are five t’s
Answer:
(-t)^5
Step-by-step explanation:
here is my question please anwser as soon as possible !!!!!!!
Answers
Answer:
is it asking which one is a y coordinate?
Answer:
Q'(5, -3), R'(4, -1), S'(0, -2), T'(0, -5)
Step-by-step explanation:
Reflecting across the y-axis causes the x coordinate of a point to change to its opposite. So in terms of x and y: (x, y) ⇒ (-x, y)
Q(-5, -3) ⇒ Q'(5, -3)
R(-4, -1) ⇒ R'(4, -1)
S(0, -2) ⇒ S'(0, -2)
T(0, -5) ⇒ T'(0, -5)
PLEASE H LP ME WITH THIS AND SHE WANTS US TO SHOW WORK AND I NEED THE ANSWER AND THE WORK
Answers
ok lets convert first
1/2=0.5
Then divide
2/0.5=4
so now we multiply 50 with 4
50*4=200
The answer would be D
D, 200 miles
1point
6. What is the value of w to the nearest degree? (Hint: first compute vand
then angle w.)"
25
35
40
45
Answers
Answer:
40
Step-by-step explanation:
All the explanation and steps are in the photo I attatched
Solve (1/5)^x+3 = 125^2x-36 for x without using logarithms.
Answers
Answer:
15
Step-by-step explanation:
There are 24 girls in a class. The ratio of girls to boys is 3:8.
How many boys are in the class?
Answers
Answer:
64 boys.
Step-by-step explanation:
There are 3 girls for every 8 boys.
24/3 = 8
8 * 8 = 64
The number of boys will be [tex]64[/tex] .
What is ratio ?Ratio is the comparison of two numbers i.e. how much a number contains other.
We have,
Number of girls [tex]=24[/tex]
Ratio of girls to boys [tex]=\ 3:8[/tex]
So,
According to the question,
Let number of girls [tex]=3x[/tex]
Number of boys [tex]=8x[/tex]
And,
We have number of girls so compare them,
i.e. [tex]3x=24[/tex]
⇒[tex]x= 8[/tex]
So, now putting value of [tex]x[/tex] in Number of boys,
i.e.
Number of boys [tex]=8x[/tex]
[tex]=8*8[/tex]
Number of boys [tex]=64[/tex]
Hence, we can say that the number of boys will be [tex]64[/tex] .
To know more about Ratio click here
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On Monday, Courtney spent 14 minutes solving 1 math problem and 2 biology problems. On Tuesday, Courtney spent 16 minutes solving 2 math problems and 1 biology problem. Write and solve a system of equations to find how long it takes Courtney to solve each math problem and each biology problem
Answers
Answer:
the timing taken to solve each math problem and each biology problem is 4 minutes each respectively
Step-by-step explanation:
Let us assume the timing taken for math problem be x
And, the time taken for biology problem be y
Now as per the question
The following equations should be considered
x + 2y = 14 .............(1)
2x + y = 16. ...................(2)
Multiply by 2 in equation 1
So,
2x + 4y = 28
2x + y = 16
3y = 12
y = 4 minutes
So, x = 14 - 2(4)
= 12 - 8
= 4 minutes
hence, the timing taken to solve each math problem and each biology problem is 4 minutes each respectively
what number completes the square x^2+18x+_____
(a).81
(b) .324
(c) .-9
(d).9
Answers
Step-by-step explanation:
a) 81 is the answer of your question
hope it is helpful to you
First you divide 18 by 2 which equals to 9
To complete the square multiply that number by itself
9^2=81
So the correct choice is A
the glass gauge on a cylindrical coffee maker shows there are 45 cups left when the coffee maker is 36% full. How many cups of coffee does it hold when its full?
Answers
Answer:
125 cups
Step-by-step explanation:
45 is 36% of what number?
45 = 0.36n
n = 45 / 0.36
n = 125
How big of an electric field exists when an electric force of 2 Newtons is exerted on a charge of 1.602 x 10^-19 Coulombs? *
Answers
Answer:
The electric field experienced by the charge is 1.248 x 10¹⁹ N/C
Step-by-step explanation:
Given;
the magnitude of the force, F = 2 N
the magnitude of the charge, q = 1.602 x 10⁻¹⁹ C
The electric field experienced by the charge is calculated as follows;
[tex]E = \frac{F}{q} \\\\E = \frac{2}{1.602 \times 10^{-19} \ } \\\\E = 1.248 \times 10^{19} \ N/C[/tex]
Therefore, the electric field experienced by the charge is 1.248 x 10¹⁹ N/C.
You want to rent a television. Company A charges $25 per week plus a one-time fee of $52. Company B charges $37 per week plus a one-time fee of $16. After how many weeks are the total costs the same at both companies?
Answers
Company B: 238$
Both companies together: 415$
Answer:
3 weeks
Step-by-step explanation:
Set the number of weeks when they are equal as x.
We can then write these equations.
25x + 52 = 37x + 16
Subtract 25x from both sides.
52 = 12x + 16
Subtract 16 from both sides.
36 = 12x
Divide both sides by 12
x = 3
The answer is 3 weeks.
Choose is 12,194,65,10
Answers
Answer:
x = 12
Step-by-step explanation:
By applying Pythagoras theorem in the given right triangle,
(Hypotenuse)² = (leg 1)² + (leg 2)²
From the picture attached,
Length of Hypotenuse = 13
Length of leg 1 = 5
Length of leg 2 = x
By substituting these values in the formula,
(13)² = 5² + x²
169 = 25 + x²
169 - 25 = x²
144 = x²
(12)² = x²
x = 12
HELP PLEASE
Find the outlier of the set of data: 20, 23, 19, 25, 4, 18, 26
Answers
Outlier can be defined as
The outlier of the dataset 20, 23, 19, 25, 4, 18, 26 is 4
How to determine the outlier?The set of data is given as:
20, 23, 19, 25, 4, 18, 26
The outlier of the set of data is a data element that is relatively far from other data elements
In 20, 23, 19, 25, 4, 18, 26, the number 4 is relatively far from other data elements
This means that 4 is an outlier of the dataset
Hence, the outlier of the dataset 20, 23, 19, 25, 4, 18, 26 is 4
Read more about outliers at:
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Find the slope of the line
Answers
Answer:
2 or 2/1
Step-by-step explanation:
First we put -"3y" to the other side of the equation to get
3y=6x+6
Now divide everything by 3 to get "y" by itself.
y=2x+2
The slope is 2 or 2/1
Answer:
b.2
Step-by-step explanation:
6x-3y+6=0
-3y=-6x-6 divide both sides by -3
y=2x+2
Sofia bought 3 items that cost a total of $21.99. What is the price of one item?
Answers
Answer: The price of one item is $7.33
Step-by-step explanation:
I*3=21.99
i=7.33
The following function represents the value of a truck, in dollars, after x years:
f(x) = 29,000(0.88)x
What does 0.88 represent?
The decrease in the value of the truck, which is 12%
The present value of the truck
The value of the truck after x years
The decrease in the value of the truck, which is 88%
Answers
Answer:
The increase in the value of the truck, which is 88%
Step-by-step explanation:
Depreciation can be defined as the reduction of cost of a fixed asset systematically until the value of the asset becomes zero.
Rate of return can be defined as the percentage of interest or dividends earned on money that is invested.
In Financial accounting, a return refers to the amount of profit generated by an investor on an investment over a specific period of time.
Basically, the rate of return which is typically expressed as a percentage of the initial costs of an investment can either be a gain or a loss on an investment. Therefore, a positive rate of return on an investment over a specific period of time, simply means that an investor is making a profit (gains) while a negative rate of return on an investment over a specific period of time, indicates that the investor is running at a loss.
Given the following function;
f(x) = 29,000(0.88)x
Where;
x is the number of years.
We can deduce from the function, that the rate at which the truck is appreciating is 88% (0.88).
Assuming x = 3
f(3) = 29,000(0.88)*3
f(3) = $76,560
Answer:
The decrease in the value of the truck, which is 12%
Step-by-step explanation:
If the decrease in the value of the truck was 88%, then the percentage would be 0.12. So therefore, since 1.00 - 0.12 is 0.88, the decrease in the value of the truck would be 12%.
4b^2+10 if b=5 please help and I need to use distributive property
Answers
Answer:
fonite is amzing
Step-by-step explanation:
help pleaseeeeeeeeeee
Answers
What is 615.75 rounded to the nearest hundredth?
Answers
Answer:
615.75
Step-by-step explanation:
11 Which of these situations cannot be represented by the number -10? A A loss of 10 yards. B) A withdrawal of $10. c) 10 degrees below zero. D) Gaining 10 points. Г
Answers
Answer:
D
Step-by-step explanation:
Gaining 10 points would be +10
Solve the equation for x:
Answers
Answer:
A. x = 10
Step-by-step explanation:
-5x + 20 = -30
Subtract 20 from both sides
-5x = -50
Divide both sides by -5
x = 10
Answer:
A. x = 10
Step-by-step explanation:
- 5x + 20 = - 30
- 5x = - 30 - 20
- 5x = - 50
5x = 50
x = 50 / 5
x = 10
Jack earn money walking dogs he charges $8 per day plus $6 per walk (w)
Answers
Answer:
14
Step-by-step explanation:
8 + 6 = 14
Answer:
Step-by-step explanation:
so if he get $8 per day + 6 per walk {w}
so 8 + 6w = 14 change the + into - and change the 8 into -8 and
put it on both side 14 - 8 is 6
then you have to put 6w = 6 then
6/6 is 1 so w = 1 i don't know if i got it right so i am so sorry if it wrong
Angle CED is 80 degrees adjacent to CEB and is a complementary angle
Angle CED is 100 degrees adjacent to CEB and they are supplementary angle
Angle CED is 90 degrees adjacent to CEB and is a supplementary angle
Angle CED is 50 degrees adjacent to CEB and is a complementary angle
Answers
Answer:
sorry I did this stuff before but don´t remember it
Step-by-step explanation:
how do you find mean...
Answers
Answer:
It’s the middle number of the group
Step-by-step explanation:
a line that passes through the point (3,-1) and has a slope of -2/3
Answers
Answer:
y = -2/3x + 1
Step-by-step explanation:
y = -2/3x + b
-1 = -2/3(3) + b
-1 = -2 + b
1 = b
y = -2/3x + 1
can someone please please please answer this :(
i really need this right now so please :(
yesterday was the deadline I'm late :(
Answers
the fish would be driven away and the fishermen would catch lesser fish.
farmers would get more profuse crops.
The full name they used was El Nino de Navidad, because El Nino typically peaks around December. El Nino means Little Boy, or Christ Child in spanish.
The farmers get more abundant crops during El Nino because more inland rainfall lead to profuse crop harvest.
The fisherman get less catch during El Nino because the thickness of the eastern pacific ocean increases, preventing water that’s rich in nutrients or cold to reach the surface. this dampened the primary production that the fish depended on.
El Nino gives South America a cooler and wetter winter season.
Southeast Asia typically gets drier-than-average rainfall conditions and Australia typically gets warmer than average weather in the daytime ( caused by a decrease in cloud cover ).
Contrasting to the conditions to South America during this period, El Nino causes North America warmer and drier conditions.