Answer:
The answer is -3.1, or 3 1/10.Since diving a negative and a positive equals a negative, your quotient will be negative. You can start by removing the 0.5, and divide 15 by 5 which is 3. Then with the 0.5 from -15.5, divide it by 5 and you get 0.1. 3 plus 0.1 is 3.1, and since it has to be negative, it's -3.1.
Step-by-step explanation:
i tried, have a nice day (:
Which of the following are true statements?
Check all that apply
The true statements are:
A. The graph of function f(x) = -√(√(√x)) will look like the graph of f(x)=√x but will reflect it about the x-axis and shrink it vertically by a factor of 1/2.
D. f(x) = √x has the same domain but a different range as f(x) = -√x.
What is graph?A graph is a visual representation of a mathematical relationship or data. It consists of points or vertices connected by edges or lines to show the relationship between them.
What is function?A function is a mathematical concept that relates an input value to an output value, such that for each input, there is exactly one output. It can be represented as a set of ordered pairs, a graph, or an equation.
According to the given information:
A. The statement A is true. The graph of function f(x) = -√(√(√x)) is a transformation of the function f(x) = √x. The negative sign outside the square roots will reflect the graph of f(x) = √x about the x-axis, and the multiple square roots will shrink the graph vertically by a factor of 1/2.
B. The statement B is false. The graph of function f(x) = -√(√x) is also a transformation of the function f(x) = √x, but it will only reflect the graph about the x-axis. It will not shrink the graph vertically.
C. The statement C is false. The graph of function |f(x)| = √(√(√x)) is not a transformation of f(x) = √x. The absolute value bars will make the graph symmetric about the y-axis, but it will not shrink it horizontally.
D. The statement is true. The graph of function f(x) = √x and f(x) = sqrt(x) are equivalent, and have the same domain (all non-negative real numbers) but different ranges. The range of f(x) = √x is [0, infinity) while the range of f(x) = sqrt(x) is (0, infinity).
To know more about Graph and Function visit :
https://brainly.com/question/9834848
#SPJ1
Please help which one isnt a function pleasee
Answer:
the answer is B
Step-by-step explanation:
B is not a function it is a chart
(goin off off what i was told in middle school)
25 POINTS Classify each pair of numbered angles as corresponding, alternate interior, alternate exterior, or none of these.
Drag and drop the choices into the boxes to correctly complete the table.
Answer:
Corresponding: The top left, The bottom left
Alternate interior: Bottom right
Alternate exterior: Top middle
None of these: Top right
Step-by-step explanation:
Which is the correct algebraic expression for each phrase?
(Image)
Please answer ASAP!
Answer:
10. G. d - 15
11. D. d ÷ 2
12. F. 2.5p
Hope that helps.
There are 23 students that are riding in cars for a field trip. If a car can carry 4
students, how many cars are necessary to take all of the students?
Answer:
Step-by-step explanation:
ask cymath it will help you with any mathmatical problem
For the following right triangle, find the side length x. Round your answer to the nearest hundredth.1012
Here, we want to find the value of x
As we can see, x faces the right angle and thus it is the hypotenuse
According to Pythagoras' theorem, the square of the hypotenuse equals the sum of the squares of the two other sides
Thus, we have it that;
\(\begin{gathered} x^2=10^2+12^2 \\ x^2\text{ = 100 + 144} \\ x^2\text{ = 244} \\ x\text{ = }\sqrt[]{244} \\ x\text{ = 15.62} \end{gathered}\)What is the distance between 5 and -4?
Answer: its 9
Step-by-step explanation:
Carlos is putting away his group’s unit cubes after math class. Each unit cube has a volume of 1 cubic inch, and he needs to find a container that holds exactly 16 unit cubes. Which container can Carlos use to store the 16 unit cubes?
Carlos needs a 2×2×2 cube and a 2×2×4 cuboid containers
The volume of cube and cuboid:The volume of a cube is given by the formula: V = s³
Where V is the volume and s is the length of one of the sides of the cube.
The volume of a cuboid is given by the formula: V = lwh
Where V is the volume, l is the length, w is the width, and h is the height of the cuboid.
Here we have
The volume of a unit cube is 1 cubic inch
The number of cubes that needs to hold by the container = 16
To hold 16 unit cubes, the container needs to have a volume of 16 cubic inches since each cube has a volume of 1 cubic inch.
Some possible containers that Carlos can use are:
A cube-shaped container with a side length of 2 inches.
The volume of the cube-shaped container would be:
V = s³ = 2³ = 8 cubic inches
A cuboid-shaped container with dimensions 2 inches by 2 inches by 4 inches. The volume of the cuboid container would be:
V = lwh = 2 x 2 x 4 = 16 cubic inches
Therefore,
Carlos needs a 2×2×2 cube and a 2×2×4 cuboid containers
Learn more about Cubes at
https://brainly.com/question/21085940
#SPJ1
Which of the following correlation coefficients represents the strongest relationship between two variables? -.75 +.60 .00 +.30
The correlation coefficient that represents the strongest relationship between two variables is -0.75.
In correlation coefficients, the absolute value indicates the strength of the relationship between variables. The strength of the association increases with the absolute value's proximity to 1.
The maximum absolute value in this instance is -0.75, which denotes a significant negative correlation. The relevance of the reverse correlation value of -0.75 is demonstrated by the noteworthy unfavorable correlation between the two variables.
To know more about correlation coefficients, visit,
https://brainly.com/question/4219149
#SPJ4
helppp due by midnight! no links. Geometry
Answer:
how do i see your questions?
Step-by-step explanation:
7. solve for x!
please help
(3x/6) + 2 = 8
=> 3x/6 = 8 - 2
=> 3x/6 = 6
=> 3x = 6 × 6
=> 3x = 36
=> x = 36/3
=> x = 12
Answer:
x=12
Step-by-step explanation:
3x/6+2=8
3x/6=8-2
=6
3x/6(6)=6(6)
3x=36
x=12
Question 2
help pls its hard i forgt how to do it
Answer: 52
Step-by-step explanation:
a^2+b^2=c^2
x is the hypotenuse (c). You can find the hypotenuse by finding the opposite of the right angle
48^2+20^2=2304+400=2704
√2704=52
x=52
Sahara's dog has a mass of 25 kilograms. What is the mass of the dog in grams?
Answer:
25,000g
Step-by-step explanation:
multiply the mass value by 1000
25 x 1000 = 25,000g
After Carl ha ued 1 yard of cable how much cable will he have left explain how you found your anwer
Carl has 2 5/36 yard cable, more than 1 yard, not specified left.
What is yard ?
A yard is a unit of length measurement in the U.S. customary system and the imperial system. It is equal to 3 feet or 36 inches. The symbol for yard is "yd". It is mostly used in the United States and the United Kingdom for measuring small lengths, such as in construction, textiles, and landscaping.
Carl has three lengths of cable, 5/6 yard long, 1/4 yard long and 2/3 yard long. The total length of the cable that Carl has is:
5/6 + 1/4 + 2/3 = (30 + 15 + 40) / 36 = 85 / 36 = 2 5/36 yard
To check whether he has at least one yard of cable or not, we need to compare the total length of the cable he has (2 5/36 yard) with 1 yard. Since 2 5/36 is greater than 1, it means he has more than 1 yard of cable. So, he will have at least 1 yard of cable left after using some of it.
Carl has 2 5/36 yard cable, more than 1 yard, not specified left.
To learn more about yard visit : brainly.com/question/28365360
#SPJ4
Carl has three lengths of wire, each measuring 5/6 yards, 1/4 yards, and 2/3 yards. The wire that Carl has measures a total of:
5/6 + 1/4 + 2/3 = (30 + 15 + 40) / 36 = 85 / 36 = 2 5/36 yard
We need to compare the entire length of the cable he has (2 5/36 yard) with 1 yard to see if he has at least one yard of cable or not. He has more than one yard of cable since 2 5/36 is larger than 1, which is greater than 1. After using some of the wire, he will still have at least 1 yard of it.
If 1/5 of my money is $80, what is 50% of my money?
Answer:
$200
Step-by-step explanation:
So 1/5 of th3 money is $80 so you would multiply 80 by 5 you would get 400
then it asks what is 50% of 400 so you would divide 400 by 2 which gives you 200
200 is your answer
Find the volume of the cylinder after the conic portion has Ben removed.Answer in term of pi.
Given a cylinder of radius = r = 6 ft, and a height = h = 10 ft
A conic portion removed from the cylinder
So, the volume of the remaining portion =
the volume of the cylinder - the volume of the cone
The volume of the cylinder =
\(\pi\cdot r^2\cdot h\)The volume of the cone =
\(\frac{1}{3}\pi\cdot r^2\cdot h\)so, the answer will be =
\(\pi\cdot r^2\cdot h-\frac{1}{3}\pi\cdot r^2\cdot h=\frac{2}{3}\cdot\pi\cdot r^2\cdot h=\frac{2}{3}\pi\cdot6^2\cdot10=240\pi\)So, the answer is option 3) 240pi
hii please help i’ll give brainliest
Answer:
0.5
Step-by-step explanation:
simplify -3sqrt84x^3
answer asap please
Answer to your question
-6x sqrt21x
Jamal travels 450 feet in 10 seconds on his bicycle. At this rate, how many feet can he travel in one minute?
Given:
The distance traveled in 10 seconds is 450 feet.
To find the distance traveled in 1 minute:
In 10 seconds, the distance is 450 feet.
In 20 seconds the distance will be,
\(450\times2=900\text{ fe}et\)In 30 seconds the distance will be,
\(450\times3=1350\text{ fe}et\)In 40 seconds the distance will be,
\(450\times4=1800\text{ fe}et\)In 50 seconds the distance will be,
\(450\times5=2250\text{ fe}et\)In 60 seconds the distance will be,
\(450\times6=2700\text{ fe}et\)Hence, the distance traveled in 1 minute is 2700 feet.
So, the table becomes,
Can anyone help me please
Answer:
x= 3 and x= -3
Step-by-step explanation:
x^2 -9 = 0
Factor x^2-9
(x+3)(x-3)
If x+3=0, then x= -3
If x-3=0, then x= 3
Mike plans to save the same amount in the 12th month as in each of the other months.
Will Mike be able to save $1,750 in the 12 months?
Each of 36 students at a school play bought either a cup of orange juice or a sandwich. A cup of orange juice costs $1 and a sandwich costs $3. The total amount collected was $76. How many students bought orange juice, and how many bought a sandwich?
Let x represent the number of students who bought a cup of orange juice and y represents the number of students who bought a sandwich. Then the problem can be represented by this system of equations:
x + 3y = 76
x + y = 36
Answer the questions to solve the problem.
1. Explain what you should do with the two equations to eliminate one of the variables. (2 points)
4. Interpret the solution and check the values in the system. (3 points)
1). To eliminate variable x,
we subtract the equation 2 to equation 1
And 2). The solution of the system is x = 16 and y = 20.
What is the system of equations?One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.
Given:
Each of 36 students at a school play bought either a cup of orange juice or a sandwich.
A cup of orange juice costs $1 and a sandwich costs $3.
The total amount collected was $76.
Let x represent the number of students who bought a cup of orange juice and y represents the number of students who bought a sandwich.
Then the problem can be represented by this system of equations:
x + 3y = 76 {equation 1}
x + y = 36 {equation 2}
1). To eliminate variable x,
we subtract the equation 2 to equation 1,
2y = 40
y = 20.
And x = 16.
2). The solution of the system is x = 16 and y = 20.
To check the solution, substituting the values to the equation 2,
16 + 20 = 36
36 = 36
Therefore, all the required values are given above.
To learn more about the system of equation;
brainly.com/question/13729904
#SPJ1
prove that on a surface s, the sum of the x-intercept y-intercept and z-intercept at any point on the tangent plane is k^2
To prove the sum of all the intercepts = k^2
xi + yj +zk = k^2
The gradient of the function f(x,y,z) = s
f(x,y,z = 1/2sxi + 1/2 syj =1/2 szk
And the tangent plane at the point (xo,yo,zo) is
sx/x + sy/y + sz/z
= sxo/xo + syo/yo + szo/zo
=> sxo/xo + syo/yo + szo/zo = k ........(1)
To find the x intercept , we set y =z=0 and obtain x = ksxo/sx. similarly, y = ksyo/yo and z= kszo/zo. their sum is
ksxo/xo + ksyo/yo + kszo/zo
=k( sx0/xo + syo/yo + szo/zo)
=k.k = k^2 ...from eqn 1
To learn more about intercepts here
https://brainly.com/question/14730658
#SPJ4
Distance travelled by light in a year.
Answer:
9.7 trillion kilometers
Step-by-step explanation:
The distance travelled by light in a year is 9.7 trillion kilometers (6 trillion miles).
24. A triangle has side lengths of 6, 8, and 9. What type of triangle is it?
acute
equiangular
obtuse
right
•
Convert 1.05 to a fraction
Answer:
21/20
Step-by-step explanation:
One way to look at it:
Convert 1.05 to a percentage so it's easier to see it as fraction out of 100
fraction x 100 = %
1.05 x 100 = 105%
105% means 105/100, and reducing the fraction gives 21/20.
21/20 = 1.05
question the random variable x is exponentially distributed, where x represents the time it takes for a whale watcher to spot a whale. if x has an average value of 45 minutes, what is the probability that x is less than 45 minutes? round the final answer to three decimal places.
0.368 .
The probability that a random variable x is exponentially distributed and less than 45 minutes,
given that the average value is 45 minutes, is 0.368.
This can be calculated by taking the negative of the natural logarithm of 1/2 (i.e. -ln(0.5)) and dividing it by the average value of 45 minutes.
The result, -ln(0.5)/45, equals 0.368, rounded to three decimal places.
Learn more about natural logarithm
brainly.com/question/29195789
#SPJ11
which of thw following equations has roots x=-1, x=-2, and x=3i, and passes through the point (0,36)?
Answer:
C. f(x) = 2x⁴ +6x³ +22x² +54x +36
Step-by-step explanation:
You can use Descartes' rule of signs and the y-intercept to help you select the correct answer.
Y-interceptThe given point (0, 36) is the y-intercept of the function. This tells you 36 is the constant in the polynomial, eliminating choices A and B.
Rule of signsDescartes' rule of signs tells you the number of positive real roots will be less than or equal to the number of sign changes in the coefficients when the function is written in standard form. The number of negative real roots will be the number of sign changes after the signs of odd-degree terms are reversed.
Given rootsThe given real roots are both negative. There are zero positive real roots, so all of the signs of the coefficients in the function must be the same (no changes). This eliminates choice D, and tells you C is the correct answer.
f(x) = 2x⁴ +6x³ +22x² +54x +36
Compute lim x-0 cos(4x)-1 Show each step, and state if you utilize l'Hôpital's Rule.
To compute the limit as x approaches 0 of cos(4x) - 1, the standard limit properties and trigonometric identities is used without using l'Hôpital's Rule.
Let's evaluate the limit using basic properties of limits and trigonometric identities. As x approaches 0, we have:
lim(x→0) cos(4x) -
Using the identity cos(0) = 1, we can rewrite the expression as:
lim(x→0) cos(4x) - cos(0)
Next, we can use the trigonometric identity for the difference of cosines:
cos(A) - cos(B) = -2sin((A + B)/2)sin((A - B)/2)
Applying this identity, we can rewrite the expression as
lim(x→0) -2sin((4x + 0)/2)sin((4x - 0)/2)
Simplifying further, we get:
lim(x→0) -2sin(2x)sin(2x)
Since the sine function is well-known to have a limit of 1 as x approaches 0, we can simplify the expression to:
lim(x→0) -2(1)(1) = -2
Therefore, the limit of cos(4x) - 1 as x approaches 0 is equal to -2.
Note: In this calculation, we did not utilize l'Hôpital's Rule, as it is not necessary for evaluating the given limit. By using trigonometric identities and the basic properties of limits, we were able to simplify the expression and determine the limit directly.
Learn more about limit here:
https://brainly.com/question/12207539
#SPJ11
1.1 Discuss how interactions involving dummy variables, impact on the results and interpretation of a regression model. Use your own example. 1.2 State the problems of using the linear probability model. In addition, briefly explain how some of these problems can be remedied 1.3 Critically assess the goodness-of-fit measures of logit models.
Interactions involving dummy variables can provide insights into the different effects of independent variables across categories.
1. Dummy variables are binary variables that represent categorical variables in a regression analysis. When interactions are included between dummy variables and other independent variables, it allows for differential effects of the independent variables based on the different levels of the categorical variable.
For example, let's consider a regression model to predict income based on education level and gender. We can include an interaction term between education level (represented by dummy variables for different levels) and gender. This interaction term allows us to examine whether the effect of education level on income differs between males and females. It helps capture any gender-specific differences in the relationship between education and income.
1.2 The linear probability model (LPM) is a common approach to estimate the probability of an event occurring using a linear regression framework. However, it has several problems:
1. The predicted probabilities from the LPM can fall outside the [0, 1] range: Since the LPM does not impose any restrictions on the predicted probabilities, they can sometimes exceed the valid probability range. This violates the assumption of probabilities being bounded between 0 and 1.
2. Heteroscedasticity: The LPM assumes constant error variance across the range of the predictors. However, in practice, the variability of the error term may change with different levels of the predictors, resulting in heteroscedasticity. This violates the assumption of homoscedasticity.
3. Non-linearity: The LPM assumes a linear relationship between the predictors and the probability of the event. However, this may not always be the case, and using a linear model can result in misspecification.
To remedy these problems, an alternative to the LPM is to use logistic regression or probit regression models. These models explicitly model the probability of an event occurring and address the issues mentioned above. They provide predicted probabilities that fall within the valid range of 0 to 1, account for heteroscedasticity, and allow for non-linear relationships between the predictors and the probability of the event.
Learn more about LPM here:
https://brainly.com/question/30890632
#SPJ4