The value of the rational expression which is undefined is x = -9
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
In an equation, the expressions on either side of the equals sign are called the left-hand side (LHS) and the right-hand side (RHS), respectively. The equals sign (=) indicates that the two expressions have the same value, and that the equation is true for certain values of the variables involved.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. It typically consists mathematical operations, such as addition, subtraction, multiplication, division, and exponentiation.
Given data ,
Let the equation be represented as A
The rational expression is undefined when the denominator is equal to zero. So, we need to solve the equation:
x + 9 = 0
Subtracting 9 from both sides, we get
x = -9
Therefore, the value of x that makes the rational expression undefined when x = -9, because it would make the denominator equal to zero.
Hence , the expression is x = -9
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A leading dental journal has claimed that 64% of young adults do not brush their teeth
regularly. A dental hygienist wants to conduct a survey to verify this with her young adult patients and wants to do so with a margin of error of +/-5%. What minimum sample size,
rounded to the nearest whole person, would the hygienist need to use?
Answer:
About 30%
Step-by-step explanation:
Well, um...
If 64% did not, then 36% of them do.
So, about 30% Do.
Find the slope of a line which goes through the points (2,5) and (−4,3)
Answer:
slope (m) = 0.75
Step-by-step explanation:
Slope (m) =
ΔY
ΔX
=
1
3
= 0.33333333333333
θ =
arctan( ΔY ) + 180°
ΔX
= 198.43494882292°
ΔX = -4 – 2 = -6
ΔY = 3 – 5 = -2
Distance (d) = √ΔX2 + ΔY2 = √40 = 6.3245553203368
Equation of the line:
y = 0.33333333333333x + 4.3333333333333
or
y =
1 x
3
+ 13
3
When x=0, y = 4.3333333333333
When y=0, x = -13
please mark brainliest
A cell phone company is offering a special deal. If you choose from payment plans A, B, and C and one of four different phones, you can choose a free gift of a case, a car charger, or a memory card. What is the probability that Rusty will choose plan A, phone 2, and the car charger? (Find the sample space) *
A) 1/9
B) 1/18
C) 3
D) 1/36
Answer:
B
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Find the circumference of a circle with a diameter of 5inches
Answer:
15.7
Step-by-step explanation:
5 times 3.14 will give you circumference of a circle
Answer:
15.7 in
Step-by-step explanation:
Circumference = pi × d
3.14 × 5
15.7 inches
Find the volume of the oblique cylinder. Round your answer to the nearest tenth.
Answer:
The Volume of an Oblique Cylinder:
An oblique cylinder, on the other side, is a cylinder whose base and top are not perpendicular to the sides. Interestingly, the volume of an oblique cylinder is the same as the volume of a right cylinder, and it is calculated as V=πr2h V = π r 2 h .
Step-by-step explanation:
Segment KL is a diameter of circle Q. Circle Q is represented by the equation (x − 11)2 + (y + 15)2 = 7. What is KL?
A. 98
B. 14
C. 2 radical 7
D. radical 14
We have been given that segment KL is a diameter of circle Q. Circle Q is represented by the equation [tex]\left(x-11\right)^2+\left(y+15\right)^2=7[/tex]. We are asked to find the length of KL.
We know that standard equation of a circle is in form [tex]\left(x-h\right)^2+\left(y-k\right)^2=r^2[/tex], where point (h,k) represents center of circle and r represents radius of circle.
Upon comparing our given equation with standard equation of circle, we can see that the center of the circle is at point [tex](11,-15)[/tex] and [tex]r^2=7[/tex].
Let us solve for r by taking positive square root.
[tex]\sqrt{r^2}=\sqrt{7}[/tex]
[tex]r=\sqrt{7}[/tex]
We know that diameter is two times radius, so value of diameter KL would be 2 times r.
[tex]KL=2\cdot \sqrt{7}[/tex]
Therefore, the volume of KL is [tex]2\sqrt{7}[/tex] and option C is the correct choice.
explain how the formula for the volume of a cone is derived
Answer:
The volume of a cone is 1 3 π r 2 h \frac { 1 } { 3 } \pi r ^{ 2 } h 31πr2h, where r denotes the radius of the base of the cone, and h denotes the height of the cone.
Step-by-step explanation:
(happy to help)
Final answer:
The volume of a cone is derived using the principle of integrating infinitesimally thin discs along the height of the cone, given by the formula V = ⅓πr²h.
Explanation:
The formula for the volume of a cone is derived using calculus and geometric principles. Consider a cone generated by rotating a line around one of the coordinate axes. If we know the formula for the area A of a circle, it can be extended to find the volume of a cone. The area A of a circle is πr², where r is its radius. The formula for the volume V of a cone is ⅓ × base area × height, which can be expressed as V = ⅓πr²h, with h being the cone's height.
Using integral calculus, the cone's volume is found by stacking infinitesimally thin discs (each with volume πr²dx, where dx is the disc's thickness) along the cone's height. The radius r changes linearly from the base to the apex, following the relationship r = (h - x)tan(a), where a is the semivertical angle of the cone. Thus, you integrate from the apex (0) to the base (h) to find the entire volume of the cone.
what is 4^4 . 4^44 please help
Answer:
4^48
Step-by-step explanation:
you add the exponents
Answer:
[tex]4^{48}[/tex]
Step-by-step explanation:
[tex]4^{4} *4^{44} =4^{48}[/tex]
You can just calculate this if you'd like and it'd still be the same answer...
The temperature fell from 0 Degrees Fahrenheit to 15 and one-half Degrees Fahrenheit below 0 in 5 and three-fourths hours. Wen tried to find the change in temperature per hour. Her work is shown below. Negative 15 and one-half divided by 5 and three-fourths = negative StartFraction 31 over 2 EndFraction divided by StartFraction 23 over 4 EndFraction = negative StartFraction 31 over 2 EndFraction times StartFraction 23 over 4 EndFraction = Negative StartFraction 713 over 8 EndFraction When she checked the answer by estimating, it did not make sense. What error did Wen make? Wen incorrectly converted a mixed number to an improper fraction. Wen added the numerators and denominators instead of multiplying. Wen did not take the reciprocal of the divisor. Wen did not change the division problem to multiplication.
Answer:
C. Wen did not take the reciprocal of the divisor.
What number will make the proportion true? 6/12 = ?/18
Answer:
9/18
Step-by-step explanation:
Answer:
9/18
Step-by-step explanation: 9/18 and 6/12 both equal 1/2
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
The measure of angle is 6. The measure of its reference angle is
9 and sin o is
Answer:
The measure of angle θ is 7π/6. The measure of its reference angle is 210°
and sin θ is -1/2.
Step-by-step explanation:
The correct question is:
The measure of angle θ is 7π/6. The measure of its reference angle is ___
and sin θ is ___
180° is equivalent to π radians. To transform 7π/6 radians to degrees, we have to use the following proportion:
180° / π radians = x° / (7π/6 radians)
x = (180/π) * (7π/6 radians)
x = 210°
And sin(210°) = -1/2
In his living room rashad has a window shaped liked a rectangle . It is 7.2 feet high and 8.7 feet wide. What is the area of the window
Answer:62.64
Step-by-step explanation:
You have to multiply them
90 is 45% of what number
Answer:
200
Step-by-step explanation:
90=.45x (x being the number)
(multiply by 100/45)
90(100/45)
9000/45=
x=200
What is the perimeter of a triangle with side lengths of 8 cm, 8 cm, and 3 cm?
Plz help
Answer:
19
Step-by-step explanation:
8+8+3 = 19
Check all of the ordered pairs that satisfy the equation below.
y = 7x
A. (6,42)
B. (42,6)
C. (42,7)
D. (12, 84)
E. (84, 12)
F. (84, 14)
Answer:
A, D
Step-by-step explanation:
Your first clue is that y > x. That is only the case for choices A and D.
Answer:
A and D
Step-by-step explanation:
a 71.9%
b 18%
c 28.1%
39.1%
What is the value of x?
Enter your answer in the box.
Answer:
x=4
Step-by-step explanation:
to find RT, you would do the 60-60-90 rule and you would get 4, x and RT are the same value because of the 45-45-90 rule, so x=4
What is the product?
(6r-1)(-8r-3)
-4872-10r +3
- 48r2-10r-3
-48P?+ 3
-48r2-3
-48r^2−10r+3
Step-by-step explanation:
(6r-1)(-8r-3)
Apply the distributive property by multiplying each term of 6r−1 by each term of -8r−3
-48r^2−18r+8r+3
Combine -18r and 8r to get -10r.
-48r^2−10r+3
Therefore the product of this equation is -48r^2−10r+3
Hope this helps! If you have any more questions or you need further clarification on anything please comment down below. Good luck!
The value of the product of the expression is,
⇒ - 48r² - 10r + 3
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition
Given that;
The expression is,
⇒ (6r - 1) (- 8r - 3)
Now, We can multiply as;
⇒ (6r - 1) (- 8r - 3)
⇒ - 48r² - 18r + 8r + 3
⇒ - 48r² - 10r + 3
Thus, The value of the product of the expression is,
⇒ - 48r² - 10r + 3
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A salesperson earns a 2% commission rate on sales of camera equipment. Yesterday she earned $60 in commission. What were her sales that day?
To find the salesperson's total sales, we use the formula Commission = Sales x Commission Rate, where $60 is the commission earned at a 2% rate. Dividing $60 by 0.02 gives us the total sales of $3000 for that day.
The student has asked about calculating the total sales based on a commission earned by a salesperson. To find out the total sales we can use the formula: Commission = Sales * Commission Rate. Given that the salesperson earned a $60 commission at a 2% commission rate, we set up the equation: 60 = Sales * 0.02. To solve for Sales, we divide both sides by 0.02, which gives us Sales = 60 / 0.02. Thus, the total sales for that day were $3000.
What is the A ⋃ B for the venn diagram
Answer:
The elements contain in A U B is {11,12,13,14,15,16,17} .
There are 7 elements in A U B.
If the spinner is spun 40 times, predict the number of times the spinner would land on Section B
Answer:
11
Step-by-step explanation:
bkbkbk
The school bus Evie rides is scheduled to arrive at her bus stop at 8:20 a.m. each day. The table below shows the actual arrival times that of the bus for several days that were randomly selected over the past few months. Based on these data, what is the probability that the bus will arrive at Evies stop before 8:20 a.m. tomorrow
Answer:
The probability of the bus getting there BEFORE 8:20 isn't likely
I took an average of all of the numbers and its shows that he bus will be there about 8:20.25
What’s the answer?????????
Find the value of x in the following diagram.
Answer:
x = 3.5
Step-by-step explanation:
diameter = radius × radius
d= ( 3x + 1 ) + ( x + 8 )
3x + 1 = x + 8
subtract 1 and x
2x = 7
divide by 2
x = 3.5
The letter represents where the amount of $158.29 should be written.
The letter represents where the amount of $250 should be written.
Answer:
The letter A represents where the amount of $158.29 should be written.
The letter D represents where the amount of $250 should be written.
Step-by-step explanation:
Ivan spent $158.29 on groceries so that would be debit -
For letter D he is transferring money
The letter 'a' represents where the amount of $158.29 should be written. And the letter d represents where the amount of $250 should be written.
What is Debit?Debit is an entry in the accounting sheet where there forms an increase in the assets or decrease in the liabilities. Positive values for assets and liabilities are debited and the negative balances are credited on balance sheet.
Given that Ivan spent $158.29 on groceries.
He then transferred $250 to his savings account.
On the check register, there are two letters, letter a and letter d.
a is the amount debited for groceries. So the letter a represents where the amount of $158.29 should be written.
d is the amount debited for a transfer. So the letter d represents where the amount of $250 should be written.
Hence the letter 'a' represents where the amount of $158.29 should be written. And the letter d represents where the amount of $250 should be written.
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The full question is :
Look at ivan’s check register. ivan spent $158.29 on groceries. he then transferred $250 to his savings account. a check register. a is the amount debited for groceries. d is the amount debited for a transfer. the letter represents where the amount of $158.29 should be written. the letter represents where the amount of $250 should be written.
Which is the solution to the inequality? One-fourth + x less-than StartFraction 5 over 6 EndFraction x less-than StartFraction 7 over 12 EndFraction x greater-than StartFraction 7 over 12 EndFraction x less-than 1 and StartFraction 1 over 12 EndFraction x greater-than 1 and StartFraction 1 over 12 EndFraction
Answer:
A
Step-by-step explanation:
The required solution of the given inequality is given as x < 7/12. Option A is correct.
What is inequality?Inequality can be defined as the relation of the equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.
Here,
Given inequality,
One-fourth + x less-than StartFraction 5 over 6 EndFraction,
So, the Above expression is given as,
1/4 + x < 5/6
Subtract 1/4 from both sides,
1/4 + x - 1/4 < 5/6 - 1/4
x < [20 - 6] / 24
x < 14 / 21
x < 7 / 12
Thus, the required solution of the given inequality is given as x < 7/12. Option A is correct.
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Select the measurements that are equivalent to one hundred grams.
1,000 mg
10,000 cg
0.1 kg
10 hg
Answer:
100 grams is = to 0.1 kg
Step-by-step explanation:
100 grams is = to 10,000 mg which is incorrect. I am not sure what the other answer choices are, but C is your correct answer.
Final answer:
The measurements equivalent to one hundred grams are 10,000 centigrams (cg) and 0.1 kilograms (kg). The other options provided do not equal 100 grams.
Explanation:
To determine which measurements are equivalent to one hundred grams, we need to understand the relationship between different units of mass. In the metric system, mass is commonly measured in kilograms (kg), grams (g), and milligrams (mg), among others. Here is a reference based on the information you provided:
1 kilogram (kg) = 1000 grams (g)
1 gram (g) = 1000 milligrams (mg)
Now, let's evaluate each option provided in the question:
1,000 mg = 1 g (not 100 g)
10,000 cg = 100 g (since 1 g = 100 centigrams (cg))
0.1 kg = 100 g (since 1 kg = 1000 g)
10 hg = 1000 g (since 1 hectogram (hg) = 100 g)
Therefore, the measurements equivalent to one hundred grams are 10,000 cg and 0.1 kg.
Consider the system of equations represented in the
graph.
y-x = 2
x + y = 4
Which is a solution to the system of equations?
1. (1.3)
2. (2.2)
3. (3, 1)
4. (4,2)
ONLY ONE ANSWER
Answer: 1. (1,3)
Step-by-step explanation:
Insert 1 for x and 3 for y. The equations will look like
3 - 1 = 2
1 + 3 = 4
Both equations are true when these numbers are inserted, therefore, the answer is (1,3).
IM USING THE REST OF MY POINTS FOR THIS!!!!!! CLICK ON IMAGE TO SEE IT
Answer:
The Graph has a x- intercept at (3,0)
Step-by-step explanation:
-3 +3 =0
so x=-3
The mean absolute deviation for each pizzeria is approximately 10. Approximately how many times the mean absolute deviation is the difference between the means of the data sets?
Answer:31
Step-by-step explanation:
The difference between the means would be twice the MAD (mean absolute deviation) in this case, as 20 is two times 10.
The student's question is about determining how many times larger the difference between the means of the two data sets is compared to the mean absolute deviation (MAD) of each pizzeria, which is given as approximately 10. To answer this, we need to know the means of both data sets in order to calculate the difference between them. Without this information, it's not possible to provide a specific number.
However, if the means of the two data sets were known, for example, if the mean of the first set was 20 and the mean of the second set was 40, then the difference would be 40 - 20 = 20. The difference between the means would be twice the MAD in this case, as 20 is two times 10.