Is there a calculator that solves algebra?
Answers
Answer:
yes
Step-by-step explanation:
do you want names for online ones
Related Questions
Carlos found a stick that was
stick in decimal form?
4/100
meters long. How many meters long was the
Answers
Answer:
it was long 4cm because 4/100 meters is like 4cm/100cm. 1 meter is 100cm so thats why
What large conclusion can you reach by stringing together the sentences given below?
Answers
The larger conclusion that can be reached by stringing together the sentences is:
If Henry goes to the library, the world is a better place.
This can be derived by combining the statements given as follows:
If Henry goes to the library, he reads a book.If Henry reads a book, he becomes smarter.If Henry becomes smarter, he becomes happier.If Henry becomes happier, the world is a better place.Therefore, if Henry goes to the library and reads a book, he becomes smarter, happier, and the world is a better place.
So, the final conclusion is that if Henry goes to the library, the world is a better place. None of the other statements can be derived from the given sentences.
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Which fraction is the largest?
Answers
Answer:
17/30
Step-by-step explanation:
In the figure below, / I| m. Find the values of x and y.
Answers
In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data:
diagram
Step 02:
angles (values x and y):
we must analyze the diagram to find the solution.
x = 81
5y - 39 = 180 - x
5y - 39 = 180 - 81
5y - 39 = 99
5y = 99 + 39
5y = 138
y = 138 / 5
The answer is:
x = 81
y = 138 / 5 = 27.6
in a paired design, each pair of observations always consists of measuring the same individual twice. (True or False)
Answers
In a paired design, each pair of observations does not necessarily consist of measuring the same individual twice. Instead, a paired design involves matching pairs of individuals or units based on certain criteria or characteristics and then measuring each individual in the pair under different conditions or at different time points.
This design is often used to compare the effects of different treatments or interventions within the same individuals or to control for individual-specific factors. In a paired design, the pairing could be based on various factors such as age, gender, pre-existing conditions, or other relevant characteristics. For example, in a study evaluating the effectiveness of a new medication, researchers may pair individuals with similar characteristics (e.g., age, gender, severity of the condition) and then administer the new medication to one individual in each pair while providing a placebo to the other individual. By measuring the outcomes within each pair, the researchers can directly compare the effects of the medication and the placebo within the same individuals.
The key aspect of a paired design is that the pairs are matched based on certain criteria, and each pair represents a unique combination of individuals. This allows for a more controlled comparison within the pairs and helps minimize the influence of individual-specific factors on the outcomes of interest.
In summary, a paired design involves matching pairs of individuals based on certain characteristics and comparing the outcomes within each pair. It does not require measuring the same individual twice but rather focuses on comparing different conditions or treatments within matched pairs of individuals.
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Calculate minimum and maximum frequency for acoustic
and optic mode.
( short question (
Answers
The specific range depends on the material properties and the energy levels involved.
The minimum and maximum frequencies for the acoustic and optic modes depend on the specific system or material under consideration. However, I can provide some general information.
Acoustic Mode:
The acoustic mode refers to the propagation of sound waves or vibrations in a material. In a solid, the acoustic mode can have different types, such as longitudinal and transverse modes.
The minimum frequency for the acoustic mode is typically determined by the size and physical properties of the material. In general, it can be close to zero for macroscopic objects or materials with low elasticity.
The maximum frequency for the acoustic mode depends on factors such as the speed of sound in the material and the characteristic dimensions of the system. It can range from a few kilohertz to several gigahertz.
Optic Mode:
The optic mode is related to the interaction of light with a material. It typically refers to the vibrations of charged particles (such as electrons) in a solid or the oscillations of electric or magnetic fields associated with photons.
The minimum frequency for the optic mode is typically determined by the energy gap between electronic states in the material. For example, in a semiconductor, the minimum frequency is usually in the infrared range.
The maximum frequency for the optic mode is not strictly defined, as it can extend into the terahertz, infrared, visible, ultraviolet, X-ray, and even gamma-ray regions. The specific range depends on the material properties and the energy levels involved.
It's important to note that these frequency ranges are general guidelines and can vary depending on the specific system or material being studied.
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Consider the line y = 7x-5.
What is the slope of a line parallel to this line?
What is the slope of a line perpendicular to this line?
Answers
Answer:
\(\boxed {\sf Parallel: 7 }\)
\(\boxed {\sf Perpendicular: -\frac{1}{7}}}\)
Step-by-step explanation:
First, identify the slope.
We are given the line y=7x-5.
This is in slope intercept form or y=mx+b where m is the slope and b is the y-intercept. So, the coefficient to x, or 7 in this case, is the slope.
m=5Now, find the parallel and perpendicular slopes.
1. Parallel Slope
Parallel lines never intersect, so they have the same slope. A parallel line has a slope of 7.
2. Perpendicular Slope
Perpendicular slopes intersect to form right angles. They have negative reciprocal slopes.
Negate the slope: 7⇒ -7 Find the Reciprocal (flip the numerator and denominator: -7/1 ⇒ -1/7A parallel line has a slope of 7 and a perpendicular line has a slope of -1/7.
Answer:
I'll help
Step-by-step explanation:
Parallel lines have the same slope so it will be 7.
And perpendicular lines if you multiply them together they have to add up to -1,
So 7 you change it to its opposite which is 1 over 7 and yeah just
The giant panda population in China is increasing at a rate of 1.5% each year. There are 1864 giant panda in 2014. Write a function that models the panda population since 2014.
(exponential growth & decay)
Answers
Given:
Giant panda population in 2014 = 1864
The giant panda population in China is increasing at a rate of 1.5% each year.
To find:
The function that models the panda population since 2014.
Solution:
Since population of giant panda is increasing, therefore the function is the exponential growth model.
The general exponential growth model is:
\(P(t)=P_0(1+r)^t\)
Where, \(P_0\) is the initial population, r is the growth rate in decimal and t is the time period.
Putting \(P_0=1864,r=0.015\), we get
\(P(t)=1864(1+0.015)^t\)
\(P(t)=1864(1.015)^t\)
Where, t is the number of years since 2014.
Therefore, the required exponential growth model is \(P(t)=1864(1.015)^t\).
g A student council consists of 15 students. (a) How many ways can a committee of five be selected from the membership of the council
Answers
There are 3,003 ways to select a committee of five from the 15 students in the student council.
To calculate the number of ways to select a committee of five from a group of 15 students, we can use the combination formula. The formula for combination, denoted as "n choose r," calculates the number of ways to choose r items from a set of n items without considering the order.
In this case, we want to choose a committee of five from a group of 15 students. Using the combination formula, we can calculate it as:
C(15, 5) = 15! / (5! * (15-5)!)
where "!" denotes factorial. Simplifying the expression:
C(15, 5) = 15! / (5! * 10!)
The factorial of a number is the product of all positive integers less than or equal to that number. In this case:
15! = 15 * 14 * 13 * 12 * 11 * 10!
Cancelling out the common terms:
C(15, 5) = (15 * 14 * 13 * 12 * 11) / (5 * 4 * 3 * 2 * 1)
Simplifying the expression further:
C(15, 5) = 3,003
Therefore, there are 3,003 ways to select a committee of five from the 15 students in the student council.
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4. A cookie recipe calls for 1 2/3 cups of sugar. If Cameron wanted to quadruple the recipe, how much sugar would he need?
Answers
2ax^2+bx−2ay^2−by^2
Answers
Answer:
=2
Step-by-step explanation:
1 3/5 divided by 4/5
Answers
Answer:
The answer is 2
Hope it helps!
which two of the following statements about the results of a screening test are correct? a. sensitivity is the proportion of people who fail the screening test who are aspirators b. specificity is the proportion of people who pass the screening test who are aspirators c. sensitivity is the proportion of people who pass the screening test who are not aspirators d. specificity is the proportion of people who pass the screening test who are not aspirators
Answers
Two of the following statements about the results of a screening test are correct are:
a. Sensitivity is the proportion of people who fail the screening test who are aspirators, and
d. Specificity is the proportion of people who pass the screening test who are not aspirators.
Option A: Sensitivity is the proportion of people who fail the screening test who are aspirators
The sensitivity is the proportion of people who fail the screening test and who are actually sick. Sensitivity is the proportion of people who have the disease who test positive in the screening test. Sensitivity, in other words, is the test's capacity to recognize the condition. Sensitivity is calculated as follows: True positive / (True positive + False negative).
Option D: Specificity is the proportion of people who pass the screening test who are not aspirators
Specificity is the proportion of people who pass the screening test and who are actually not sick. Specificity is the proportion of people who are healthy who test negative in the screening test. Specificity, in other words, is the test's capacity to correctly identify non-sick persons. Specificity is calculated as follows: True negative / (True negative + False positive).
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2(3v-5)=2(v-11)-4 can someone help me out ?
Answers
Answer:
v = -4
Step-by-step explanation:
2(3v - 5) = 2(v - 11) - 4
6v - 10 = 2v - 22 - 4
+10 +10
6v = 2v -12 - 4
-2v -2v
4v = -16
divide both sides by 4
v = -4
Hope this helps!!
The value of v = - 4.
We have the following equation -
2(3v - 5) = 2(v - 11) - 4
We have to find out the value of the variable v.
What is the solution of a equation in one variable?The solution of an equation is the value of variable for which the left hand side is equal to right hand side.
We have the following equation -
2(3v - 5) = 2(v - 11) - 4
2 x 3v - 2 x 5 = 2v - 2 x 11 - 4
6v - 10 = 2v - 22 - 4
6v - 10 = 2v - 26
6v - 2v = - 26 + 10
4v = -16
v = - 4
Hence, the value of v = - 4.
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The length of a small rectangular room is "6 more than the width" and the
area of the room is 27 square units. Which of the following represents the
dimensions of the room?
O 3 and 6
O 6 and 9
6 and 6
3 and 9
Answers
The area of a rectangle is:
length x width
We know that the length is 6 more than the width and the area of 27 sq units:
3 and 9 are the dimensions because:
3 x 9 = 27
The width (3) is plus 6 equals to 9 (the length)
Hope this helps!
8 * 2⌃2x + 4 * 2⌃x * 2 = 1 + 2⌃x
Find x(need all the steps)
Answers
The value of x will be;
⇒ x = - 3
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The expression is,
⇒ 8 × 2²ˣ + 4 × 2ˣ × 2 = 1 + 2ˣ
Now,
Since, The expression is,
⇒ 8 × 2²ˣ + 4 × 2ˣ × 2 = 1 + 2ˣ
Solve for x as;
⇒ 8 × 2²ˣ + 8 × 2ˣ = 1 + 2ˣ
⇒ 8 × 2ˣ (2ˣ + 1) = 1 + 2ˣ
⇒ 8 × 2ˣ = (1 + 2ˣ) / (1 + 2ˣ)
⇒ 8 × 2ˣ = 1
⇒ 2ˣ = 1/8
⇒ 2ˣ = 2⁻³
By comparing, we get;
⇒ x = - 3
Thus, The value of x = - 3
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T/F If the equilibrium wage in the market for unskilled labor is $8.00 per hour, and the government sets a minimum wage at $7.50 per hour, unskilled workers will receive a pay cut of about 50 cents per hour.
Answers
The minimum wage set by the government at $7.50 per hour does not result in a pay cut for unskilled workers, as it is below the equilibrium wage of $8.00 per hour.
The wage rate remains unchanged, and the labor market remains in balance.
The statement is false.
False.
The equilibrium wage in the market for unskilled labor is $8.00 per hour, which means that the market naturally sets the wage rate at this level, based on the forces of supply and demand.
The government then sets a minimum wage at $7.50 per hour.
Since the minimum wage is below the equilibrium wage, it does not directly impact the wage rate for unskilled workers.
The equilibrium wage represents the point at which the supply of labor (the number of workers willing to work at a given wage) equals the demand for labor (the number of workers that employers are willing to hire at a given wage).
In this case, both workers and employers are satisfied with the $8.00 per hour wage, and the labor market is balanced.
The government sets a minimum wage below the equilibrium wage, it essentially sets a wage floor that is not binding. Employers are still willing to pay the equilibrium wage of $8.00 per hour, and workers are still willing to accept this wage.
The wage for unskilled workers remains at $8.00 per hour, and there is no pay cut of 50 cents per hour.
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R(9, 7) and S(3,9) are the endpoints of a line segment. What is the midpoint M of that line
segment?
Write the coordinates as decimals or integers.
M=
Answers
Answer:
MP=(6,8)
Step-by-step explanation:
\(MP= (\frac{x_1+x_2}{2} )(\frac{y_1+y_2}{2} )\\MP= (\frac{9+3}{2} )(\frac{7+9}{2})\\MP= (\frac{12}{2} )(\frac{16}{2} )\\MP= (6,8)\)
2 numbers when added give you -2 but when they are multiplied they give -7
\(a + b = - 2 \\ a \times b = - 7\)
\(a = (?) \\ b = (?) \)
Answers
The value of a and b are -3.83 and 1.83 or 1.83 and -3.83 respectively.
What is word problem?A word problem is a math problem written out as a short story or scenario. Basically, it describes a realistic problem and asks you to imagine how you would solve it using math.
This word problem can be interpreted into mathematical equation or expression.
2 numbers when added give you -2 but when they are multiplied they give -7. This means that ;
a+b = -2 equation 1
a×b = -7 equation 2
from equation 2 , a = -7/b
-7/b + b = -2
multiply through by b
-7 +b² = -2b
b²+2b -7 = 0
x = -b± √b²-4ac)/2a
=-2 ± √ 4+28)/2
=-2± √32)/2
=-2+5.66/2 or -2 -5.66/2
b = 1.83 or -3.83
when b = 1.83,
a = -2-1.83 = - 3.83
when b = -3.83
a = -2+3.83
a = 1.83
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Consider the following rational function. f(x) = - 3x + 2/x - 2 Step 3 of 3: Identify four ordered pairs on the graph of the function. Answer
Answers
The ordered pairs of the given rational function are:
(-2, -5¹/₂), (-1, -5²/₃),(0, -1), (1, -5),(-1,
How to find the Ordered Pairs?In mathematics, an ordered pair (a, b) is a pair of objects. The order in which objects appear in pairs is important.
The ordered pair (a, b) is different from the ordered pair (b, a) unless a = b. (By contrast, the unordered pair {a, b} corresponds to the unordered pair {b, a}.)
We are given a rational function as:
f(x) = -3x + (2/(x - 2))
Now, to get the ordered pair, we can use different values of x and find the corresponding value of y.
Thus:
At x = 0, we have:
f(x) = -3(0) + (2/(0 - 2))
f(x) = -1
At x = 1, we have:
f(x) = -3(1) + (2/(1 - 2))
f(x) = -5
At x = -1, we have:
f(x) = -3(-1) + (2/(-1 - 2))
f(x) = -5 - 2/3
= -5²/₃
At x = -2, we have:
f(x) = -3(-2) + (2/(-2 - 2))
f(x) = -5 - 1/2 = -5¹/₂
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d = -gt^2 + vt + c. the equation expresses the distance, d, in feet, of a ball t seconds after it is thrown straight up with an initial velocity of v feet per second and from a starting point of c feet. which of the following expresses v in terms of d, g, t, and c? A) v = d - c - + g/t B) v = d + c + g/t C) v = d + c/t - gt D) v = d - c/t + gt
Answers
Given:
\(d=-gt^2+vt+c\)To express v in terms of d, g, t, and c, take the following steps:
Step 1:
Subtract c from both sides
\(\begin{gathered} d-c=-gt^2+vt+c-c \\ \\ d-c=-gt^2+vt \end{gathered}\)Step 2:
Divide through by t:
\(\begin{gathered} \frac{d}{t}-\frac{c}{t}=\frac{-gt^2}{t}+\frac{vt}{t} \\ \\ \\ \frac{d}{t}-\frac{c}{t}=-gt+v \end{gathered}\)Step 3:
Add gt to both sides
\(\begin{gathered} \frac{d}{t}-\frac{c}{t}+gt=-gt+gt+v \\ \\ \frac{d}{t}-\frac{c}{t}+gt=v \\ \\ v=\frac{d}{t}-\frac{c}{t}+gt \end{gathered}\)Therefore, the expression of v in terms of d, g, and c is:
\(v\text{ = }\frac{d}{t}-\frac{c}{t}+gt\)ANSWER:
\(v=\frac{d}{t}-\frac{c}{t}+gt\)2x – 1 / 5 = x + 8 / 20
Answers
Answer:
x = 3/5
Step-by-step explanation:
2x – 1 / 5 = x + 8 / 20
Solve for x.
Subtract x from each side.
2x-x – 1 / 5 = x-x + 8 / 20
x – 1 / 5 = 8 / 20
Add 1/5 to each side
x – 1 / 5 + 1/5 = 8 / 20 + 1/5
x = 8/20 + 1/5
Simplify the fraction on the right.
x = 2/5 + 1/5
x = 3/5
LAST ONE GUYS...PLS HELP ASAP!! y is inversely proportional to x. Given that y=10 when x=2, find the value of y when x=5
Answers
Answer:
y = 4
I hope it helps
Step-by-step explanation:
\(y \alpha \frac{1}{x} \\ y = \frac{k}{x} \\ 10 = \frac{k}{2} \\ \)
\(k = 20 \\ y = \frac{20}{x} = formula \: connecting \\ \: x \: and \: y \\ \)
\(x = 5 \\ y = \\ y = \frac{20}{x} \\ y = \frac{20}{5} \\ \)
\(5y = 20 \\ \frac{5y}{5} = \frac{20}{5} \\ y = 4\)
whichh methods are used for extra comfort during travelling
Answers
Answer:
Remember your good memories
and just relax drink a water it can
comfort u
Answer:
Here's the 10 tips goodluck and be safe okay?
Choose comfortable clothing and footwear: Wear loose, breathable clothing and comfortable shoes to help reduce discomfort during long periods of sitting or walking.Bring a neck pillow: A neck pillow can help support your head and neck while you sleep on long flights or car rides.Use a lumbar support: A lumbar support can help reduce strain on your lower back while sitting for extended periods of time.Take breaks: If you are on a long car or train ride, take breaks to stretch your legs and move around to reduce stiffness and discomfort.Stay hydrated: Drink plenty of water and avoid alcohol and caffeine, which can dehydrate you.Bring healthy snacks: Pack healthy snacks, such as nuts, fruits, and granola bars, to help keep you energized and satisfied during your travels.Use earplugs and a sleep mask: Earplugs can help block out noise, and a sleep mask can help you sleep better on long flights or in bright hotel rooms.Use a travel pillow: A travel pillow can help support your neck and head while sitting or sleeping in an upright position.Choose a comfortable seat: If you are flying, consider upgrading to a more comfortable seat or booking a seat with more legroom to increase your comfort level.Practice relaxation techniques: Techniques such as deep breathing, meditation, or yoga can help you relax and manage stress during travel.A boy and girl each grab a piece of candy from a bowl. The bowl has 10 chocolates, 10 fruit chews, 5 lollipops, and 5 peppermints. What is the probability that one grabs a peppermint and the other grabs a lollipop?
Answers
Answer:
1 in 15
Step-by-step explanation:
10+10+5+5= 30/2= 15
Answer:
1/15
Step-by-step explanation:
Hope it helps :)
Have a good day/night
Brainliest pls
600 is invested for 3years at a 9% how much simple interest will be earned
Answers
we have to work money every day
If 3% of a number equals 2, find 18% of that number
Answers
Answer:
Step-by-step explanation:
3% of 66.7 is 2.001 or 2.00
18% of 66.7 is 12.006 or 12.01
please help
i need more letters so uhhh.......
Answers
Answer:
Step-by-step explanation:
Look at the third line. The division would take place only if the 0 was ln(0). It isn't. It's just 0.
ln(x^2) = 2 * ln(x)
ln(3x) = ln3 + ln(x)
2 * ln(x) = ln(x) + ln(3) Subtract ln(x) from both sides
ln(x) = ln(3)
I really need help! On either one!!
Answers
Answer:
512 cm3252 cm2Step-by-step explanation:
The first dimension to measure is length. Length is always the longest side of the box that has a flap. The next dimension is width. The width side also has a flap but is always the side shorter than the length. Measure the height of the package. Height is the only dimension without a flap.Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches. (Square inches can also be written in2.)Perimeter of the rectangle = PQ + QR + RS + SP
= b +l + b + l
= 2b +2l
Again,
ABCD is a rectangle. We know that the opposite sides of a rectangle are equal.
Perimeter of a Rectangle
AB = CD = 5 cm and BC = AD = 3 cm
So, the perimeter of the rectangle ABCD = AB + BC + CD + AD = 5 cm + 3 cm + 5 cm + 3 cm = 16 cm
It can be written as 5 cm + 5 cm + 3 cm + 3 cm
= (2 × 5) cm + (2 × 3) cm
= 2 (5 + 3) cm
= 2 × 8 cm
= 16 cm
We add length and breadth twice to find the perimeter of a rectangle.
Which r–value represents the strongest negative correlation?.
Answers
The r-value ranges from -1 to +1, with -1 indicating a strong negative correlation. Therefore, the r-value closest to -1 represents the strongest negative correlation.
An r-value represents the strength and direction of a correlation between two variables. The strongest negative correlation occurs when the r-value is -1. In this case, as one variable increases, the other variable decreases consistently, showing a perfect negative linear relationship between the two variables.
The ability of a material to resist the flow of heat through it is gauged by the R-value , which is used in materials research and building construction. It measures the energy efficiency of insulation materials including fibreglass, foam board, and cellulose and is commonly represented in square metres kelvin per watt (m2K/W) units.
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