Answer: -81
Hope this helps
Four dice are rolled sequentially. What is the probability that the first die shows six and the other dice show an odd number? IN FRACTIONS!
Answer:
1/48
Step-by-step explanation:
The total number of different outcomes when rolling 4 dice is
6 × 6 × 6 × 6 = 1296
The possible number of outcomes of rolling a 6 followed by 3 odd numbers is
1 × 3 × 3 × 3 = 27
p(6 followed by 3 odd numbers) = 27/1296 = 1/48
A strategy for 8,429 x 7
Answer: 59,003
Step-by-step explanation:
8,429 x 7=
8,429 x (5+2)=
8,429 x 5 + 8,429 x 2=
4,214.5*10+16,858= ==> n*5=n/2 * 10
42,145+16,858=59,003
Stacy has a part time job.
She earns 8 pounds an hour.
She wants to buy a new smartphone costing 220 pounds.
How many hours does she need to work to earn enough to buy it.
220/8 = 27.5
27.5 x 8 = 220
She’ll have to work 27 hours and 30 minutes to get 220 pounds.
91-[22{16 divided (39 + 3 of 3-40)}]
The value of the expression 91 - [ 22 { 16 divided (39 + 3 of 3 - 40 )} ] is 47 by using PEMDAS.
We are given an expression as:
91 - [ 22 { 16 divided (39 + 3 of 3 - 40 )} ]
By the PEMDAS rule, the expression will be:
= 91 - [ 22 {16 ÷ (39 + 9 - 40 ]
= 91 - [ 22 {16 ÷ (8) ]
= 91 - [ 22 {16 ÷ 8} ]
91 - [ 22 {2} ]
= 91 -[ 22 × 2 ]
= 91 - [ 44 ]
= 91 - 44
= 47
Therefore, the value of the expression 91 - [ 22 { 16 divided (39 + 3 of 3 - 40 )} ] is 47 by using PEMDAS.
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Anyone know this?????
Answer:
Final answer: P=(1,5)
Step-by-step explanation:
The line APB is a line such that AP/PB= 1/3. From the points A and B that we have we can find the distance between those points using the formula d= [(y2-y1)^2=(x2-x1)^2]^1/2
d= 4 (13)^(1/2)
Now the ratio is 1:3. AP= sq rt(13) and PB= 3 sq rt(13)
Using mid point formula the mid point of AB (say Q) = [(-1+7)/2,(2+14)/2]= (3,8).
Hence the mid point of AQ is P which can found out again using the mid point formula
P= [(-1+3)/2,(2+8)/2]= (1,5)
solve the following simultaneous equations
y=x^2
y= x+6
The solution of the simultaneous equations are x = 2, 3 and y = 3,9.
What are simultaneous equation?In mathematics; a set of simultaneous equations, also known as a system of equations or an equation system, it is a finite set of equations for which common solutions are sought.
WE have given simultaneous equations as;
y = x^2 ...(i)
y = x + 6 .....(ii)
Now Equating (i) and (ii) we get,
x^2 = x + 6
or, x^2 - x - 6 = 0
Then Solving we get;
x^2 - 3x - 2x - 6 = 0
x(x - 3) -2(x - 3) = 0
(x - 2)(x - 3) = 0
So, x = 2, 3
Now Putting x = 2, 3 in equation (i) we get;
y = 2^2
y = 4
and,
y = 3^2
y = 9
Thus, y = 3,9
Hence the solution of the simultaneous equations are x = 2, 3 and y = 3,9.
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a location that is 30 degrees north and 45 degrees west is what of the prime meridian and what of the equator
A location that is 30 degrees north and 45 degrees west is west of the prime meridian and north of the equator.
A prime meridian refers to an arbitrary meridian which is there in a geographic coordinate system. Here, the longitude is defined as 0°.
A prime meridian and its anti-meridian will together form a great circle in a geographic coordinate system.
The Equator is a circle of latitude, about 40,075 km in circumference, that divides Earth into the Northern and Southern hemispheres.
It is an imaginary line that is located at 0 degrees latitude, and is a halfway between the North and South poles.
Therefore, we get that a location that is 30 degrees north and 45 degrees west is west of the prime meridian and north of the equator.
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I thought of a number, added 21, and then added twice my
original number and got 84. What is my number?
Answer:
31.5
Because if you Subtract 21 from 84 you get 63
then if you divide 63 by 2 you get 31.5 so your Answer would be 31.5.
What is the valur of expression 6 3/4 (-11.5) ?
77 5/8
69 3/4
- 77 5/8
- 69 3/4
I need help
Step-by-step explanation:
so, this is a multiplication ?
6 3/4 × (-11.5)
let's bring the mixed numbers to full fractions, and then we can easily multiply.
6 3/4 = (6×4 + 3)/4 = (24 + 3)/4 = 27/4
-11.5 = -11 1/2 = (-11×2 - 1)/2 = (-22 - 1)/2 = -23/2
so, the multiplication is
27/4 × -23/2 = 27×-23 / 4×2 = -621/8 =
= (-616 - 5)/8 = (-77×8 - 5)/8 = -77 5/8
Answer:
-77 5/8
Step-by-step explanation:
6 3/4 can be turned into 6.75.
6.75 * -11.5 is -77.625
-77.625 can be simplified into 5/8
Brainliest pls?
what is the simplest form of 2/4 divide by 4/9
Answer:
it 9/ 8
Step-by-step explanation:
2/4× 9/4
18/16
9/8
a highway has an optional toll lane that drivers may take to reduce the time they spend driving. drivers pay a small fee to enter the toll lane ($0.25) . then, once they leave the toll lane, they pay a fee based on the number of miles they have traveled on the toll lane. assume that the driver may leave the lane after any whole number of miles and pays for exactly that number, without rounding up. note that there is a linear relationship between the number of miles a vehicle has traveled and the price of the toll. a. if frank is on the toll road for 4.00 miles and then leaves the lane, how much will he have to pay total for the trip?
He have to pay $3.25.
Let the number of miles traveled by a driver be x
The toll paid by the driver is then represented as y. (in dollar)
Linear equation : an equation in which there is only one variable present. It is of the form Ax + B = 0, where A and B are any two real numbers and x is an unknown variable that has only one solution.
Since there is a linear relation between the two, we can assume the equation can be written as:
y = mx + c
From the given data, we get
0.24 = m(0) + c
c = 0.25
Using the second point:
1 = m(1) + 0.25
m = 1 − 0.25 = 0.75
Hence, the equation is y = 0.75x + 0.25.
If x = 4, then:
y = 0.75 × 4 + 0.25
y = 5.50
Hence, He have to pay $3.25.
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what polynomial is twice the sum of -2x^(2)+5x-3 and 5x^(2)-4 show your work
The polynomial is twice the sum of -2x² + 5x - 3 and 5x² - 4 is 6x² + 10x - 14.
What polynomial is twice the sum of the given polynomial?Given the polynomials in the question;
-2x² + 5x - 3 and 5x² - 4
First, we find the sum of the polynomials
(-2x² + 5x - 3) + (5x² - 4)
-2x² + 5x - 3 + 5x² - 4
Collect like terms and simplify
-2x² + 5x² + 5x - 3 - 4
3x² + 5x - 7
Next, multiply the polynomial by 2.
2(3x² + 5x - 7)
Using distributive property,
2×3x² + 2×5x +2×-7
6x² + 10x - 14
Therefore, the polynomial is twice the sum of -2x² + 5x - 3 and 5x² - 4 is 6x² + 10x - 14.
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2x+14= use distributive property of addition to complete the statement
Answer:
I think it's 2(x+7).
Step-by-step explanation:
This is distributive function where a number is multiplied from outer value to inner parenthesis values.
I hope this is the right answer.
Jane and jill want their mom to ride the roller coaster with them, but she thinks it will be too fast. she asks the girls to find out how fast the roller coaster will be traveling. they find out that the speed of the roller coaster, in miles per hour, is modeled by the function g(x) = x4 − 4x2 7x − 8, where x is time measured in seconds. how fast is the roller coaster traveling at 2 seconds? 6 miles per hour 22 miles per hour 26 miles per hour 54 miles per hour
Answer:
6 miles per hour!
Step-by-step explanation:
translate the following verbal statement into an algebraic equation and then solve: use x for your variable. the quotient of two more than a number and five is eight.
The algebraic equation of the verbal statement is (x + 2) / 5 = 8 and the value of x is 38.
Algebraic Equation
An algebraic equation means the statement of the equality of two expressions formulated by applying to a set of variables the algebraic operations, namely, addition, subtraction, multiplication, division, raising to a power, and extraction of a root.
Given,
The quotient of two more than a number and five is eight.
Here we need to translate the given verbal statement into an algebraic expression and solve it.
The quotient of two more than a number and five is eight.
Let, the number be x.
According to the question, the equation is
=> (x + 2) / 5 =8
=> x + 2 = 8 x 5
=> x + 2 = 40
=> x = 40 - 2
=> x = 38
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A 9-foot piece of ribbon costs $20.07. What is the price per yard?
The price per yard of the ribbon is $6.69
Conversion of foot to yardFirst, we will need to convert 9 foot to yards as shown;
9 foot = 3 yards
This shows that a 3 yard piece of ribbon costs $20.07, the price per yard is expressed as;
Price per yard = 20.07/Total yard
Price per yard = 20.07/3
Price per yard = 6.69
Hence the price per yard of the ribbon is $6.69
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A box contains 20 balls: 10 are yellow, 6 are red, and 4 are grey. What is the probability of picking a yellow and then a red ball? (the first ball will be replaced)
probability of picking a yellow ball: 10/20 (1/2)
probability of picking a red ball: 6/20 (3/10)
1/2 times 3/10 =
3/20
The coordinate -2 has a weight of 3, the coordinate 5 has a weight of 1, and the coordinate 6 has a weight of 1. Find the weighted average.
The weight average of the coordinates is 1
How to determine the weight average?The given parameters are:
Coordinate -2 has a weight of 3Coordinate 5 has a weight of 1Coordinate 6 has a weight of 1The weight average is then calculated as:
Weight average = Sum of (Weight * Coordinate)/Sum of Weights
So, we have:
Weight average = (-2 * 3 + 5 * 1 + 6 * 1)/(3 + 1 + 1)
Evaluate the quotient
Weight average = 1
Hence, the weight average of the coordinates is 1
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the midpoint of \overline{\text{ab}} ab is m(0, -3)m(0,−3). if the coordinates of aa are (2, 1)(2,1), what are the coordinates of bb?
If the coordinates of the point a is (2,1) and midpoint is (0.-3), then the coordinates of b is (-2,-7).
Midpoint:
Midpoint is the middle point of a line segment. It is equidistant from both endpoints, and it is the centroid both of the segment and of the endpoints.
The formula for midpoint is,
[tex](x_{m},y_{m})= (\frac{x_{1}+x_{2} }{2} ,\frac{y_{1}+y_{2} }{2} )[/tex]
Where
(x₁,y₁) is the coordinates of the first point and
(x₂,y₂) is the coordinates of the second point
and
[tex](x_m,y_m)[/tex] is the mid point of the first and second points.
Given,
Mid point = (0,-3)
Point a = (2,1)
Here we need to find the point b.
Let (x,y) be the point of b.
Now,
Apply the values on the formula,
Then we get,
[tex](0,-3)=(\frac{2+x}{2},\frac{1+y}{2})[/tex]
Compare the values in order to solve it,
=> 0 = (2 +x)/ 2
=> 0 = 2 + x
=> x = -2
Similarly,
=> -3 = (1 + y)/2
=> -3 x 2 = 1 + y
=> -6 = 1 + y
=> y = -6 - 1
=> y = -7
Therefore, the coordinates of b is (-2,-7).
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3) At midnight, the temperature was 15 degrees
Fahrenheit. When we woke up in the morning, the
temperature was -3 degrees. What was the change in
temperature from midnight to the morning?
Answer:
Step-by-step explanation:
First of all it has to drop 15 degrees to get to 0.
We have another three degrees to go.
15 - - 3 = 18
The temperature change was 18 degrees from midnight to morning.
When the signs are of the integers the same, 1.__________
the integers and copy the 2.) ________ sign. When the signs are
3,) ____________, subtract them and use the sign of the number
with the greater 4) _________. If we add two same numbers with
different signs, then the answer is equal to 5.) ___________.
The sum of two negative integers is a 6. )_________ integer. The
sum of two positive integers is a 7.) ___________ integer.
The completed statement on the addition and subtraction operations with integers is presented as follows;
When the signs are of the integers of the same sign
1. Add the integers and copy the 2.) integer sign. When the signs are 3) different, subtract them and use the sign of the number with the greater 4) magnitude. If we add two same numbers with different signs, then the answer is equal to 5.) zero. The sum of two negative integer is a 6.) negative integer. The sum of two positive integers is a 7.) positive integer.
How can the operation of adding integers be simplified?The process of adding integers is as follows;
Integers that have the same sign are added together, and the sign of the integers are placed before the result.
The addition of two integers that have different signs involve subtracting the integers and including the sign of the integer with the largest magnitude to the result.
The addition of two the same numbers that have different signs gives the same result as subtracting a number from itself, which is zero.
The sign of the result of the addition or subtraction of two integers of the same is the same as the sign of the integers in the operation.
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Property to find the sum or product identify the property you used 6 x 43
The multiplication of 6 × 43 by applying the distributive property of multiplication will be 258.
What is multiplication?The general mathematical operation of multiplying two or more numbers to get a new multiplied number.
If both values are more than or less than one, the resultant multiplication will be greater or smaller than the numbers that will be multiplied.
For reference 4 × 3 = 12 and 4 × 0.5 = 2.
Given the multiplication,
6 × 43
⇒ 6 × (40 + 3)
By applying the distributive property of multiplication,
⇒ 6 × 40 + 6 × 3
⇒ 240 + 18
⇒ 258
Hence "The multiplication of 6 × 43 by applying the distributive property of multiplication will be 258.".
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what’s 17x3-11y2-14y3
Answer:
3x^3-11y^2
Step-by-step explanation:
17x^3 -11y^2 -14x^3
collect like terms
17x^3 -14x^3 =3x^3
3x^3-11y^2
I hope it helps.
Quadrilateral ABCD undergoes a reflection across the x-axis to form quadrilateral A'B'C'D'. The coordinates of A' are (
,
).
The reflected quadrilateral A'B'C'D' is then translated 3 units right and 2 units up to form quadrilateral A"B"C"D". The coordinates of A" are (
,
).
The coordinates of A'' will be ( -2, 5).
We are given that:
Quadrilateral ABCD is reflected across the x - axis.
We know that, when a refection is done about x-axis, the values of the abscissa x remain identical & the value of ordinate just change their signs:
A(-5,-3) will become A'(-5,+3)
B(-6,-1) will become B'(-6,+1)
C(-3,-1) will become C'(-3,+1)
D(-2,-3) will become D'(-2,+3)
Now, the reflected quadrilateral A'B'C'D' is then translated 3 units right and 2 units up to form quadrilateral A"B"C"D".
So, the coordinates of A'' will become:
( - 5 + 3, 3 + 2)
( -2, 5)
Therefore, we get that, the coordinates of A'' will be ( -2, 5).
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What’s the domain and range ??
USE INTERVAL NOTATION.
Only answer if you know!
Domain: (-∞, ∞)
Range: (-∞, ∞)
Step-by-step explanation:Domain and range help us describe the values a graph covers.
Defining Domain and Range
The domain is defined as all the x-values included in a function.The range is defined as all of the y-values included in a function.Remember that the x-values are along the horizontal axis, and the y-values are on the vertical axis.
The function given to us extends infinitely to the left and right as shown by the arrows. Additionally, the graph extends up and down infinitely; thus the range is also infinite.
Interval Notation
Interval notation should be written as (minimum value, maximum value). If the minimum and maximum values are included within the range or domain, then the parentheses should be replaced with brackets. This looks like [included minimum, included maximum]. Since a function cannot actually include infinity, an infinity symbol should never have brackets.
Eventually, this linear function will reach every single x and y-value in existence. So, both axes have a minimum of -∞ and a maximum of ∞. Thus, both the domain and range are (-∞, ∞).
Hint for future problems: all linear functions will have a domain and range of (-∞, ∞).
if \mathbf{x}x is an optimal solution to a linear program pp, then \mathbf{x}x is a vertex of pp's feasible region.
Yes, it is true that if "x" is an optimal solution to a linear programming problem, then it is a vertex of the feasible region.
Linear programming (LP) is one of the most basic methods of optimization. By making a few simplifying assumptions, it can assist you in solving some highly complicated optimization issues.Linear programming is a basic approach that uses linear functions to represent complicated connections and then finds the optimum spots.Linear programming is used to find the best solution to a problem given certain limitations. In linear programming, we transform a real-world issue into a mathematical model. It consists of an objective function, linear inequalities, and constraints.A graphical technique entails constructing a collection of linear inequalities that are constrained. The disparities are then plotted on an X-Y plane. When we plot all of the inequalities on a graph, the intersecting region provides us with a viable region. The viable region describes all of the values that our model may take. It also provides us with the best solution.At the point of intersection, when the constraints are active, the best viable solution is found. This signifies that the intersection of the equations provides the best answer.
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Help would be EXTREMELY appreciated I really need this tomorrow
The value of csc x=-13/5.
Given that the sin x=-5/13 and x∈[3π/2 , 2π).
A trigonometric function is a real function that relates the angle of a right triangle to the ratio of the lengths of the two sides. The basic functions are sin, cos, tan, cot, sec, csc.
The given function is sin x=-5/13.
As we all know that sin x=1/csc x or csc x=1/sin x.
As it is given that x∈[3π/2 , 2π) that means x lies in fourth quadrant and in fourth quadrant sin and csc is negative in it.
So, we will apply this identity csc x=1/sin x, we get
csc x=1/(-5/13)
csc x=-13/5
And it also lies in x∈[3π/2 , 2π).
Hence, the value of csc x when sin x=-5/13 and x∈[3π/2 , 2π) is csc x=-13/5.
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A stack of Sunday newspapers sits on a skid 3" off the ground.
Each newspaper is 13" thick.
a. How high is the stack if there are n newspapers in it?
b. If the top of the stack is 3' high, about how many newspapers
are in the stack?
Answer: a. 3+13n
b. About 3 newspapers
Step-by-step explanation:
a. T=total thickness of newspapers on a skid in inches
T=3+13n
b. 3'=3 ft
1 ft=12 inches
3 ft=3*12 inches
3 ft=36 inches
36=3+13n
13n=33
n=2.54 ==> About 3 newspapers
(2x−6)(x−2) multiply
Step-by-step explanation:
Solving steps
(2x-6)×(x-2)
Multiply
2x×x-2x×2-6x-6x 2
Calculate Multiply
2x²-4x-6x+12
Collect like terms
Solution
2x²- 10x + 12
Help pls points added
Answer:
A: (-10, 2)
B: (-5, 2)
C: (-5, 7)
D: (-10, 7)
Step-by-step explanation:
When you reflect over the x axis, you flip the y value, so that what I did.