Answer:
53 yards
Step-by-step explanation:
Hello!
The circumference formula of a circle is [tex]C = 2\pi r[/tex], where C is the circumference, and r is the radius.
Given that pi is 3.14, solve for the circumference.
Solve for C[tex]C = 2\pi r[/tex][tex]C = 2(3.14)(8.5)[/tex][tex]C = 53.38[/tex]The circumference of the circle is 53.38, but rounded to the nearest whole yard would be 53 yards.
If P(A|B) = 35%, and P(B) = 70%. Find P(A) given that A and B are independent.
P(A) given that A and B are independent is; 35%
How to solve Conditional Probability?P(A|B) is defined as a conditional probability and it means the probability of event A that depends on another event B. It is also known as "the probability of A given B"
Now, the formula to find P(A|B) is;
P(A|B) = P(A∩B) / P(B)
Where;
P(A∩B) = P(A) * P(B)
Thus;
P(A|B) = (P(A) * P(B))/(P(B)
Plugging in the relevant values gives;
0.35 = P(A)
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A group of coworkers put their money together to buy raffle tickets and won $1500. if we use the variable w to represent the number of coworkers, which of these represents how much prize money each person gets?
The equation which represent the prize money given to each person is $1500/w.
What is described as the unitary method?The unitary method is a process that determines the value of a single unit from of the worth of multiple units, as well as the value of different components from the price of a single unit.It is a technique that we employ for the majority of math calculations.For the given condition in question;
Let 'w' be the number of coworkers.
The total money given to buy raffle tickets and won $1500.
This cam be written as;
w worker -------> $1500.
For 1 worker, use unitary method.
Divide both side by w.
1 worker -------> $1500/w.
Thus, the prize money given to each worker is $1500/w.
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Please help I’ll mark you as brainliest if correct!
Answer:
A. would be a quotient of 34 and a remainder of 14
B. would be a quotient of 22 and a remainder of 10
C. would be a quotient of 20 and a remainder of 34
Among 6225 cases of heart pacemaker malfunctions, 346 were found to be caused by firmware, which is software programmed into the device. If the firmware is tested in 3
different pacemakers randomly selected from this batch of 6225 and the entire batch is accepted if there are no failures, what is the probability that the firmware in the entire
batch will be accepted? Is this procedure likely to result in the entire batch being accepted?
The probability is. This procedure is
(Round to three decimal places as needed.)
to result in the entire batch being accepted.
P ( All three are not caused by firmware ) = 8423 %
The probability that the entire batch will be accepted = 0.8423
We are told that out of the 6225 cases of heart pacemaker malfunctions, 346 were found to be caused by firmware.
Thus,
Cases not caused by firmware = 6225 - 346 = 5879
So, the probability of the first case not being affected by the firmware is;
P( first case not caused by firmware ) = 5879/6225
Also,
The probability of the second case not being affected by the firmware is given as;
P(second case not caused by firmware|first case not affected by firmware) = 5878/6224
Similarly,
The probability of the third case not being affected by the firmware is given as;
P(third case not caused by firmware | first and second not caused by firmware) = 5877/6223
Now that we have the three probabilities, it is clear that the occurrences are not independent because the likelihood of one event depends on the likelihood of the others.
Thus, we will make use of the general multiplication rule which is;
P(A & B) = P(B) × P(A|B)
Thus;
P( All three not caused by firmware ) = P(first case not caused by firmware ) × P( second case not caused by firmware | first case not affected by firmware) × P( third case not caused by firmware | first and second not caused by firmware)
Substituting the values,
P(All three not caused by firmware) = ( 5879/6225 ) × ( 5878/6224 ) × ( 5877/6223 )
P(All three are not caused by firmware) = 0.84232558432 = 84.23 %
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Find the slope m of the line passing through the given pair of points. (If an answer is undefined, enter UNDEFINED.)
(6, 5) and (−9, 5)
Answer:
m= 0
Step-by-step explanation:
Since the two points have the same y-coordinates, the line passing through them is a horizontal line. Horizontal lines have a slope of zero.
Prove:
[tex]\boxed{slope = \frac{y_1 - y_2}{x_1 - x_2} }[/tex]
Slope between (6, 5) and (-9, 5)
[tex] = \frac{5 - 5}{ - 9 - 6} [/tex]
[tex] = \frac{0}{ - 15} [/tex]
= 0
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Let f(x)=−3x−1 and g(x)=x2− 1.
Find (f◦g)(−1).
Answer:
If i'm correct and the symbol between the f and g is multiplication the answer is 0.
Step-by-step explanation:
I have linked how I got this answer in the image below, I hope this is what you were looking for.
Help please!!!!!!!!!!!
HELP MEEEE PLEASE!!
Company A charges $20.40 monthly for up to 3 gigabytes of data and $9.80 per additional gigabyte. Company B charges $18.60 monthly for up to 3 gigabytes of data and $10.10 per additional gigabyte. For what number of additional gigabytes would the two companies charge the same amount?
_________ additional gigabytes of data
Considering the definition of an equation and the way to solve it, for 6 additional gigabytes of data the two companies would charge the same amount.
Definition of equationAn equation is the equality existing between two algebraic expressions connected through the equals sign in which one or more unknown values appear.
The solution of a equation means determining the value that satisfies it. To solve an equation, keep in mind:
When a value that is adding, when passing to the other member of the equation, it will subtract.If a value you are subtracting goes to the other side of the equation by adding.When a value you are dividing goes to another side of the equation, it will multiply whatever is on the other side.If a value is multiplying it passes to the other side of the equation, it will pass by dividing everything on the other side.This caseBeing "x" the number of miles driven, and knowing that:
Company A charges $20.40 monthly for up to 3 gigabytes of data and $9.80 per additional gigabyte. → Price of company A= 20.40 +9.80xCompany B charges $18.60 monthly for up to 3 gigabytes of data and $10.10 per additional gigabyte.→ Price of company B= 18.60 +10.10xIf the price charged by each company is the same, the equation is:
Price of company A= Price of company B
20.40 +9.80x= 18.60 +10.10x
Solving:
20.40 - 18.60= 10.10x - 9.80x
1.8= 0.3x
1.8 ÷ 0.3= x
6= x
Finally, for 6 of additional gigabytes the two companies would charge the same amount.
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What is the answer to this question?
In the given angle, the value of x is 9°.
What are angles?In Euclidean geometry, an angle is a shape created by two rays that share an endpoint and are referred to as the angle's sides and vertex, respectively. The plane that contains the rays contains the angles created by two rays. The meeting of two planes can also result in an angle. They are referred to as dihedral angles.As we can see that the two triangles are congruent as 2 pairs of sides are similar to each other.
Hence, the angle between them is also similar.So, with this the equation will be:
3x + 15 = 423x = 42 - 153x = 27x = 27/3x = 9Therefore, in the given angle, the value of x is 9°.
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explain how to use absolute value to find the distance on the number line between any positive number and any negative number give a example
Answer:
The absolute value is the distance between a number and zero on a number line. There are always two numbers on the number line that are the same distance from zero. For instance, the numbers 4 and -4 are each a distance of 4 units away from zero. represents the distance from 4 to zero, which equals 4.
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look at the screenshot i need help i will give 50 points
Answer:
A. 6
B. 2
Step-by-step explanation:
28/4 = 6
4/2=2
If you were to write an essay on an eyeball what would you write? Please help me i can’t do this!
Answer:
Should the essay be 3-5 paragraphs? Also I can't write the essay here or otherwise your school will find out you plagiarized it.
Step-by-step explanation:
I can send it to you privately.
Given (x – 7)2 = 36, select the values of x. x = 13 x = 1 x = –29 x = 42
The value of x of the Quadratic Equation, (x - 7)² = 36 when the right-hand side is positive is 13 and for the negative right-hand side, it is 1. So the value of x could be 13 and 1 both.
Split into two equations:
(x - 7)² = 36
(x- 7) = √36 or (x- 7) = -√36
For equation (x- 7) = √36 value of x:
x - 7 = √(6)²
x - 7 = 6
x = 13
For equation (x- 7) = -√36 value of x:
x - 7 = -√(6)²
x - 7 = - 6
x = 1
∴ value of x could be 13 and 1 both.
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use the roster method to write the set of natural numbers less than 6
Find the domain and range of the relation.
((-9, 9), (-9, 6), (1, 2), (-4, -5), (7, -2)]
A sample contains 500 grams of titanium-51, which has a half-life of 6 minutes.
Write an expression for A to represent the amount of titanium-51 remaining in the sample after t minutes.
A=
Titanium is used in aerospace (jet engines, missiles, and spacecraft), military, industrial processes (chemicals and petrochemicals, desalination plants, pulp, and paper), automotive, agriculture (farming), medical prostheses, orthopedic implants, dental and endodontic instruments and files, dental implants, sporting goods, jewelry, cell phones, and other applications, titanium can be alloyed with iron, aluminum, vanadium, and molybdenum, among other elements. And it's half life as per question is [tex]A(t)=A(500)*0.5^{\frac{t}{6} }[/tex]
What is titanium?The chemical element titanium has atomic number 22 and the symbol Ti. A transition metal with a silver hue, low density, and high strength that is resistant to corrosion in sea water, aqua regia, and chlorine can be created by reducing the only form it is found in the nature—an oxide.
William Gregor found the titanium in Cornwall, Great Britain, in 1791. Martin Heinrich Klaproth gave the metal the Titans' name from Greek mythology. The element is found in practically all living organisms, as well as bodies of water, rocks, and soils. It is mostly found in the minerals rutile and ilmenite, which are widely distributed in the Earth's crust and lithosphere. The Kroll and Hunter procedures are used to separate the metal from its main mineral ores. Titanium dioxide, the most prevalent substance, is a well-liked photocatalyst and is utilized in the production of white pigments. In addition, there are other substances such titanium tetrachloride (TiCl4), which is used in smoke screens and catalysts, and titanium trichloride (TiCl3), which is a catalyst in the creation of polypropylene.
This equation can be used to calculate the quantity of unstable nuclei left after time t:
[tex]N(t)=N(0)*0.5^{\frac{t}{T} }[/tex]
where,
N(t) = remaining quantity of substance after time t has elapsed
N(0)= initial quantity of this substance
T= half life
So, as per question,
[tex]A(t)=A(500)*0.5^{\frac{t}{6} }[/tex]
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Answer:
A = 500 (1-0.5)^t/6 =500 (0.5)^t/6
Step-by-step explanation:
Took the test, this is the correct answer
A(t)=P (1-decay rate)^t
P=initial amount
Decay rate = 1/2=0.5
t=time
Make sure use t in minutes for the next calculation
help meeeeeeeeeeeeeee
Answer: What do you need help with?
Step-by-step explanation:
1: Comment what u need help with
2: We will help you
3: You have been helped :)
Answer:
After doing the math I got 74.44
which term could be used to describe the graph of a line on a coordinate plane test points independent variable dependent variable or set of solutions
Cartesian Co-ordinate system is used to describe graph of a line along a plane to test independent variable vs dependent variable.
the answer is test points
Consider a simple economy where the basket of goods used to calculate the CPI contains two items: shampoo and soap. The basket consists of 1 bottle of shampoo and 2 bars of soap. The prices are shown in the table.
Year Price of a Bottle of Shampoo Price of a Bar of Soap
Year 1 $6.50 $1.25
Year 2 $6.60 $1.30
Type the correct answer in the box. Round your answers to two decimal places, if necessary.
The CPI for year 2 is
.
In this simple economy where the market basket for CPI contains two items, the CPI for year 2 is 102.22%.
What is the CPI?The CPI means the Consumer Price Index.
The CPI economically indicates the inflationary trend, using a basket of selected consumer goods and services, and computes their total costs for each period.
The base year's total costs set to 100% are used to compare with the current year's.
Price 1 Bottle of 1 Bar of 2 Bars Total Cost
Shampoo Soap of Soap Mkt Basket
(a) (b) (c) (a) + (c)
Year 1 $6.50 $1.25 $2.50 $9.00
Year 2 $6.60 $1.30 $2.60 $9.20
CPI for Year 1 (base year) = 100% ($9/$9 x 100)
CPI for Year 2 = 102.22% ($9.20/$9 x 100)
Thus, year 2's Consumer Price Index is 102.22%, compared to year 1's.
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Answer:
102.22
Step-by-step explanation:
Edmentum.
Only #1 and 5 please show work THANK YOU
The single complex number corresponding to each expression:
1. √(-9) = 3i
2. √(-16) = 4i
3. √(-6)√(-24) = 12
4. √(-3)√(-75) = 15
5. (2+√(-12))/2 = 1 + 3i
6. (4 + √(-20))/2 = 2 + 5i
We represent √(-1) as i which is an imaginary number. Complex numbers are numbers of the kind a + ib, where a and b are real numbers.
Hence all real numbers are also complex numbers (i.e., when b = 0).
Also we use some formula for square roots:
√(ab) = (√a )(√b)
Now, to find the single complex number corresponding to each expression:
1. √(-9) = √(9) x √(-1) = 3i
2. √(-16) = √(16) x √(-1) = 4i
3. √(-6)√(-24) = √(-6 x -24) = √(144) = 12
4. √(-3)√(-75) = √(-3 x -75) = √(225) = 15
5. (2+√(-12))/2 = (2+√4√3√(-1))/2 = (2+2 x (√3)i)/2 = 1+(√3)i
6. (4 + √(-20))/2 = (4 + √4√5√(-1))/2 = (4 + 2 x (√5)i )/2 = 2 + (√5)i
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round 0.2099 to 2 decimal place. give explanations too please.
One morning in Atlanta, Tina observed that the temperature was 72 degrees. Later the temperature rose 21 degrees and then dropped 11 degrees. She then flew to New York where the temperature was 67 degrees.
What was the change in temperature from when Tina left Atlanta and arrived in New York?
A:5°
B:6°
C:14°
D:15°
If She then flew to New York where the temperature was 67 degrees. The change in temperature from when Tina left Atlanta and arrived in New York is : D:15°.
Change in temperatureGiven :
Beginning temperature = 72 degrees
Increase in temperature = 21 degrees
Decrease in temperature = 11 degrees
Temperature outside Atlanta = 67 degrees
First step is to calculate the temperature in Atlanta using this formula
Temperature = (Beginning temperature + Increase in temperature - Decrease in temperature )
Let plug in the formula
Temperature = 72 + 21 -11
Temperature = 82 degrees
Second step is to calculate the change in temperature
Change in temperature = Temperature in Atlanta - Temperature in New York
Change in temperature = 82 degrees - 67 degrees
Change in temperature = 15 degrees
Therefore the correct option is D.
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The measure of the supplement of an angle is 14 less than 3 times the measure of the
complement. Find the measure of the complement.
The complementary angle to 38° is 52°.
What is an angle?
An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are on the plane where the rays are located. The meeting of two planes also creates angles. We refer to these as dihedral angles. The angle formed by the rays lying perpendicular to the two crossing curves at the point of junction is another property of intersecting curves. Angle can also refer to the length of a rotation or an angle. This metric represents the relationship between a circular arc's length and radius.
Let the angle be x°
Then the compliment of the angle = (90-x)°
and supplement of the angle = (180-x)°
According to question, (180-x) + 14 = 3(90-x)
or, 180-x+14 = 270-3x
or, -x+3x = 270-194
or, 2x = 76
or, x = 76/2 = 38°
Hence, the complementary angle to 38° is = 90-38 = 52°
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The converse of the proposition "If it is cold, then I will not go walking" is:
A. If it is not cold, then I will go walking.
B. If it is not cold, then I will not go walking.
C. If I did not go walking, then it is cold.
D. If I go walking, then it is not cold.
Answer:
C. If I did not go walking, then it is cold.
Step-by-step Explanation:
A conditional statement is a hypothesis followed by a conclusion. The hypothesis in this example being “If it is cold” and then followed by a conclusion “I will not go walking”.
A converse statement swaps the hypothesis and the conclusion of a conditional statement.
Henry is younger than Cameron. Their ages are consecutive odd integers. Find Henry's age if the sum of Henry's age and 2 times Cameron's age is 85.
Since we used x and x+2 as consecutive odd integers. "x" to represent Henry's age, Henry's age is 27. Since we used the expression "x+2" to represent Cameron's age, Cameron's age is "27+2" which is just 29.
How to do age sums?So the consecutive odd integers, just means they're separated by a value of 2. This can be generally expressed as "a and a+2" where the these two values would be consecutive odd integers assuming "a" is an integer.
So let's express the Henry's age as the variable "x", since it's unknown. Since Cameron is older, and by definition of a consecutive odd integer, Cameron's can be expressed as "x+2"
So the equation we need to set up is 2(Cameron's age) + (Henry's age) = 85
So we can substitute variables we defined to express Cameron and Henry's age:
2(x+2)+x= 85
Distribute the 2:
2x+4+x
Add like terms:
3x+4=85
Subtract 4 from both sides:
[tex]3x= 81[/tex]
Divide both sides by 3:
x=27
Since we used "x" to represent Henry's age, Henry's age is 27. Since we used "x+2" to represent the Cameron's age, Cameron's age is "27+2" which is just 29.
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Question
What is the expression after applying the distributive property?
−0.4(−2+(−9))
Enter your answer by filling in the boxes.
The expression after applying the distributive property, the formula becomes 0.8 + 3.6.
Describe algebra:Algebra is the study of mathematical symbols, while logic is the manipulation of those symbols.
Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction are all part of the PEMDAS formula. To answer the problem properly and accurately, this rule is used.
When you combine the results of two or more arithmetic operations, the result is the same as when you multiply each addend individually by the quantity and then unite the resultant products.
Given below is the phrase.
= −0.4 (−2 + (−9))
Once the distributive property has been used, we have
= 0.8 + 3.6
The result of applying the distributive property will be the equation 0.8 + 3.6.
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Determine if the two figures below are congruent. Use the drop-down menus below to justify why. Which point on Figure 2 corresponds to point CC on Figure 1?
From the figure, we observe that,
Non-rigid motions are used to map figure 1 onto figure 2.
Here, resizing (stretching horizontally, vertically, or both ways) is a non-rigid transformation.
So, the answer is,
The figures are congruent because non-rigid motions are used to map figure 1 onto figure 2.
The point corresponding to point C is H.
Keisha rented a truck for one day. There was a base fee of $13.75, and there was an additional charge of 10 cents for each mile driven. The total cost, C (in
dollars), for driving x miles is given by the following.
C=0.10x+13.75
What is the total rental cost if Keisha drove 40 miles?
Answer:
I believe the answer is $17.75
Step-by-step explanation:
As if you have a base fee of 13.75 then 0.10 for each additional mile. Then 40 miles x 0.10 is 4. Hope this helps.
Write an equation (a) in slope-intercept form and (b) in standard form for the line passing through (-3,4) and parallel to x + 2y = 7.a) The equation of the line in slope-intercept form is(Type your answer in slope-intercept form. Use integers or fractions for any numbers in the equation.)b) The equation of the line in standard form is(Type your answer in standard form.)
For this type of question the first step is to calculate the slope of the line given by th equation x+2y=7, for this we recall the slope intercept form ( y=mx+b) and put the equation in that form
[tex]y=-\frac{x}{2}+\frac{7}{2}[/tex]Then, m=-1/2. Now, since the equation of the line we are looking for is parallel to the previous line the slope must be the same, now we recall the point slope equation
[tex]\begin{gathered} (y-y_1)=m(x-x_1) \\ \end{gathered}[/tex]Substituting m=-1/2, and recalling that the line is passing through (-3,4) we get that the point slope equation the line is :
[tex]\begin{gathered} y-4=-\frac{1}{2}(x-(-3)) \\ y-4=-\frac{1}{2}x-\frac{3}{2} \end{gathered}[/tex]Finally to put it in the slope intercept form, we solve the equation for y:
[tex]y=-\frac{1}{2}x+\frac{5}{2}[/tex]For part b) we recall that the standard form of the equation of a line is:
[tex]\begin{gathered} C=Ax+By \\ \text{where C, A and B are real and whole numbers if possible} \end{gathered}[/tex]Now, we solve for the constant of the equation:
[tex]\begin{gathered} \frac{5}{2}=y+\frac{1}{2}x \\ 5=2y+x \end{gathered}[/tex]The last equation is the standard form of the equation of the line.
Pls help i did'nt have time to do my h.w i have a test tm
Answer:
Step-by-step explanation:
The triangles are congruent because they have the same shape and size. They are also related in another way that I can't remember.