Answer:
13/36
Step-by-step explanation:
\(\frac{1}{4}\left(1-\frac{2}{3} \right)^2+\frac{1}{3} \\ \\ =\frac{1}{4} \left(\frac{1}{3} \right)^2+\frac{1}{3} \\ \\ =\frac{1}{4} \left(\frac{1}{9} \right)+\frac{1}{3} \\ \\ =\frac{1}{36}+\frac{1}{3} \\ \\ =\frac{1}{36}+\frac{12}{36} \\ \\ =\frac{13}{36}\)
Simplifying the expression gives 13/ 36
How to solve the expressionGiven;
1/4(1-2/3)^2+1/3
Represented as;
\(\frac{1}{4} * ( 1 - \frac{2}3} )^2 + \frac{1}{3}\)
Take the LCM of the bracket
\(\frac{1}{4} * ( \frac{1}{3} )^2 + \frac{1}{3}\)
Find the square
\(\frac{1}{4} (\frac{1}{9} )+ \frac{1}{3}\)
Find the LCM
\(\frac{1}{36} + \frac{1}{3}\)
1 + 12/36
13/ 36
Thus, simplifying the expression gives 13/ 36
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Graph the equation y = |x| +5. Let x = -3, -2, -1, 0, 1,
2, and 3.
X
Find the following y-values. Then choose the correct
graph of the equation to the right.
y
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The graph of the equation y = |x| + 5 is given below.
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
The given equation is y = |x| + 5.
Set the given values for x and find the corresponding values of y.
When x = -3, y = |-3| + 5 = 8
When x = -2, y = |-2| + 5 = 7
When x = -1, y = |-1| + 5 = 6
When x = 0, y = |0| + 5 = 5
When x = 1, y = |1| + 5 = 6
When x = 2, y = |2| + 5 = 7
When x = 3, y = |3| + 5 = 8
Graph of the equation is given below.
Hence the graph of the equation is found.
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Here is Takeshi's work determining a third point on the graph of an exponential function, `h(x)`.
Explain why the work is incorrect.
Answer:
Step-by-step explanation:
Let h(x) = y
The exponentail function is of the form :
\(y = ab^x\)
We have :
\(y_{_1} = ab^{x_{_1}}\\y_{_2} = ab^{x_{_2}}\\\\\implies \frac{y_{_1}}{y_{_2}} = \frac{ab^{x_{1}}}{ab^{x_{2}}} \\\\\implies \frac{y_{_1}}{y_{_2}} = \frac{b^{x_{1}}}{b^{x_{2}}} \\\\\implies \frac{y_{_1}}{y_{_2}} = b^{(x_1-x_2)}\)
Given points : (4, 9) and (5, 34.2)
We have:
\(\frac{34.2}{9} = b^{(5-4)}\\\\\implies 3.8 = b\)
Writing the equation with x, y and b:
\(y = ab^x\\\\\implies 9 = a(3.8^4)\\\\a = \frac{9}{3.8^4} \\\\a = 0.043\)
a = 0.043
b = 3.8
When x = 6, y will be:
\(y = (0.043)(3.8^6)\\\\y = 128.47\)
This is not the y value in the question y = 59.4
Therefore (6, 59.4) does not lie on the graph h(x)
hi please help!!!!!!!!
Answer:
All real numbers
Step-by-step explanation:
The parabola is expanding infinitely in both the negative and positive directions. So the x value will be all real numbers.
1 by 4 of rupees 828 explaine it
Answer:
₹207
Step-by-step explanation:
1 by 4 of rupees 828
\( = \frac{1}{ \cancel4} \times \cancel{ 828 } \: \: \: \red{ \bold{207}}\\ \\ \)
Find the distance between green house and hospital. Round your answers to the nearest tenth.
Answer:
4
Step-by-step explanation:
Greenhouse: (-6,0)
Hospital: (-6,-4)
Express the first quantity as percentage of the second of 45g and 75g
The first quantity (45g) as 60 percentage of second (75g).
What do you mean by Percentage?A part of whole expressed in Hundredth. Percentage is a fraction of a number out of 100%. It can be in fraction or in decimal.
To convert the given percentage value in decimal, divide the given value by 100.
For example:
1. 50% in decimal or fraction will be 50/100 = 0.5.
2. 20% in decimal or fraction will be 20/100 = 0.2.
How to calculate Percentage?1. Finding the total amount from which we need to find the percent.
2. Dividing the required amount to find the percentage by total amount.
3. Multiply it by 100.
For example:
1. It rained 10 of the 30 days in April.
Percentage will be 10/30 = (1/3) x 100
Percentage = 33.33%
Here, we have given that:
Total amount = 75g
Required amount for percent = 45g
Now, to find the percentage:
Percentage = 45/75
Percentage = 0.6 x 100
Percentage = 60%
Hence,
The first quantity (45g) as 60 percentage of second (75g).
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How do we solve this?
It asks for partial derivative, and you have to derive it with respect to 'y' variable.
\(f_y(x,y)=\frac{\partial f}{\partial y}=\frac{\partial}{\partial y}( 6x+2y+4)=2\)
HELP!!!!!!!!!!!!!!!!!!
Answer:
D 0.89275
Step-by-step explanation:
Please solve using dimensional analysis
Answer:
34^23 (that is 34 to the 23 power)
Step-by-step explanation:
Do 3.4x10^23=34^23
What rigid motion maps the solid-line figure onto the dotted-line figure?
A. reflection
Brotation
Ctranslation
The rigid motion of the solid line figure is translated to the dotted line figure.
How to find the rigid motion maps a solid line?Translation describe a function that moves an object a certain distance.
In a translation, every point of the object must be moved in the same direction and for the same distance.
In translation, the object is not resized, rotated or reflected. The object usually remains the same but it moves a certain distance.
Therefore, the rigid motion maps the solid-line figure onto the dotted-line figure by translation
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PLZ HURRY, TIMED, WILL MARK BRAINLIEST********
K [Not drawn to scale] Which is true about the diagram? Select two options. MZIKH+MZIKL= 180° MZIKLU MZILK+mZKIL = 180° DmZJKH= MZJLK O MZIKLU MZILK= 90° OmZKIL= MZKLJ
write a number to represent the situation: A withdrawal of $36
The number which represents the situation of a withdrawal of $36 is -$36.
In this question, we have to find out the number or integer which represents the situation of a withdrawal of $36. This question is from integers topic and for that we should have the definition of integers in our mind. So, an integer is defined as number which can be represented without the fractional form. It contains whole numbers and negative of natural numbers. The integers are generally denoted by the symbol 'Ζ'. And, the integers can be negative or positive.
In this question we have asked withdrawal of $36 from any source. So, withdrawal basically means money will decrease, so it will become negative.
To represent a withdrawal of $36, we will use the negative sign.
Hence, -$36 is the correct representation of the situation of a withdrawal of $36.
Therefore, -$36 is the required answer.
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Mr. Cole packed 20 pounds into a suitcase, and Mrs. Cole packed 23 pounds into the same suitcase. They then had to remove 8 pounds because it was too heavy. How many pounds was their suitcase after making it lighter?
Answer:
35 lbs is the final weight
Step-by-step explanation:
20 +23 = 43 lbs
Then they had to remove 8 lbs
43 - 8 =35
35 lbs is the final weight
solve the system of equation without graphing and show your reasoning write the answer as (x,y)
5x+y=7
20x+2=y
The solution of given system of equations is (1/5, 6).
What is system of equation?
A set or group of equations that you solve all at once is referred to as a "system" of equations. The simplest linear system is one with two equations and two variables. Linear equations are simpler than non-linear equations because they graph as straight lines.
Given equations : 5x+y=7
20x+2=y
We can solve it by using substitution method:
Now, we have 5x+y=7
it can be written as,
y = 7 - 5x .... equation 1
Similarly, we have 20x+2=y
can be written as,
y = 20x+2 ..... equation 2
Subtracting equation 1 from equation 2
we get, 20x+2 - ( 7 - 5x ) = 0
20x + 5x + 2 - 7 = 0
25x = 5
x = 1/5
Putting x=1/5 in equation 1,
we get, y = 20 × 1/5 + 2
= 4 +2
= 6
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The perimeter of a rectangle is 280 meters. The width is 26 meters less than the length. Find the length and width.
Answer:
The length is 83 and the width is 57
Step-by-step explanation:
The width is 26 meters less than the length, so we'll represent the width with: L-26. Since there are 2 widths to account for, we'll multiply this by 2.
Equation looks like this so far: 2(L-26)
Then, add the 2 lengths and set the expression equal to 280.
Equation: 2(L-26)+2L=280
Distribute the 2 in the first term, making the equation look like:
2L-52+2L=280
Add the 52 to both sides of the equation
4L=332
Divide by 4 on both sides
L=332/4=83
L=83
Width is 26 meters less, so 83-26=57
W=57
if 3 divided by a number y is 18, then what is the value of the number y plus 2? Steps?
\(\frac{3}{y}=18 \\ \\ 3=18y \\ \\ y=1/6 \\ \\ \implies y+2=\boxed{13/6}\)
angles a and b are complementary angles. If m A = (3x + 9)° and m
ZB = (x - 11)°, then find the measure of angle a
Answer:
78°
Step-by-step explanation:
Since, angles A and B are complementary.
\(\therefore m\angle A + m\angle B = 90\degree \\
\therefore (3x+9)\degree + (x - 11)\degree = 90\degree \\
\therefore (3x +x +9-11)\degree = 90\degree \\
\therefore (4x - 2)\degree = 90\degree \\
\therefore 4x - 2 = 90\\
4x = 90+2\\
4x = 92\\ \\ x = \frac{92}{4} \\ \\ x = 23 \\ \\ \because m\angle A = (3x+9)\degree \\ \therefore \: m\angle A = (3 \times 23+9)\degree \\ \therefore \: m\angle A = (69+9)\degree \\ \huge \red{ \boxed{ \therefore \: m\angle A = 78\degree }}\)
2. What is the value of 6x – 3y if x = 5 and y = 1
F.11.
G.33
H.6 with an exponent of 5
I.65
Step-by-step explanation:
x=5,y=-1
6(5)-3(-1)=30+3=33
answer G .33
238% of what number is 47,600?
Answer:
I think 200
Step-by-step explanation:
47600/238=200
200*238=47600
Answer:
the answer is actually 20000
Step-by-step explanation:
238% x =47,600
2.38x=47,600
47,600/2.38= 20000
Help plsssjsnsnsnsnndndndndnfnfnfnnffnnccnncncncnfnf
9514 1404 393
Answer:
A) 3x +10y = 36
Step-by-step explanation:
The graph tells us the x-intercept is 12. The x-intercept is the value of x when y = 0. For some equation coefficients ax+by=36, the x-intercept is ...
x-intercept = 36/a
Then the coefficient 'a' is ...
a = 36/(x-intercept) = 36/12 = 3
Only one answer choice has an x-coefficient of 3 -- the correct one.
3x +10y = 36
One number is 6 more than twice another. If their sum is 51, find the numbers.
Which of the following systems of equations represents the word problem?
y = 2x + 6 and y = x + 51
y = 2x + 6 and x + y = 51
y = 2(x + 6) and x + y = 51
Answer:
y = 2x + 6 and y + x = 51
Step-by-step explanation:
the first number is y
the second number is X
" 6 is more than" implying +
"6 is more than twice another" implying y = 6 + 2 multiples by the second number "X"
their sum is equal to 51
add first and the second number
that is
y+x = 51
so we have
y = 6+2x and y +x = 51
If z = 4.0 and y = 5.6, what is the value of x? z=y/x Express your answer to the tenths place (i.e., one digit after the decimal point).
Answer:
x=1.4
Step-by-step explanation:
Write the equation
\(\frac{5.6}{x} =4\)
Multiply both sides by x
\(5.6=4x\)
Divide both sides by 4
\(1.4=x\)
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The value of x is 1.4 when z = 4.0 and y = 5.6.
What are Arithmetic operations?Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.
Operators which let do a basic mathematical calculations.
+ Addition operation: Adds values on either side of the operator.
For example 12 + 2 = 14
- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.
for example 12 -2 = 10
* Multiplication operation: Multiplies values on either side of the operator
For example 12*2 = 24
Given the equation as:
z = y/x
z = 4.0 and y = 5.6
To determine the value of x
⇒ z = y/x
Multiply by x on both sides
⇒ xz = y
Substitute the values z = 4.0 and y = 5.6
⇒ x(4) =(5.6)
Divide both sides by 4
⇒ x = (5.6)/(4)
⇒ x = 1.4
Hence, the value of x is 1.4 when z = 4.0 and y = 5.6.
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Sebastian observed the number of minutes his dormmates spent on social media sites while they were at the library. he reported his data in the following list.
13, 0 , 14 , 36, 18, 9
Find the mean absolute deviation (mad) of the data set. ___ minutes
The mean absolute deviation (MAD) of the data set is equal to 180.625.
The mean absolute deviation of a data set is to find the average distance of each observation of the data set and the mean of the data set.
Mean absolute deviation = 1/n ∑ absolute value of (xi - x bar)
x bar =average value of the given data set
n= total number of data set
xi = data value in a given set
According to the question,
x bar = sum of all the data set / total number of the data set
x bar = 2052/16 = 128.25
Substitute the value in the formula, we have
Mean absolute deviation = 2890/16 = 180.625
Hence, the Mean absolute deviation of the data set is equal to 180.625.
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As per the given data, the Mean absolute deviation (MAD) of the data set is equals to 17.5
The term Mean absolute deviation in math is defined as the average distance of each observation of data set and the mean of the data set.
Here we have given the following data.
=> 13, 0 , 14 , 36, 18, 9
Then the mean of the data is calculated as,
=> (13 + 0 + 14 + 36 + 18 + 9)/6
=> 90/6
=> 15
Now, we have to the Substitute the value in the formula, we have
And then the Mean absolute deviation is calculated as,
=> (90 + 15)/6
=> 105/6
=> 17.5
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Miriam has 3 packages of pencils. Each
package has 6 pencils. She needs an
eraser for each pencil. How many erasers
will she need to buy?
Tell which OPERATIONS you will use. Then
solve the problem. (Very important).
Answer:
18
Step-by-step explanation:
you will use multiplication
3(packages of pencils)×6(pencils)=18pencils
so she will need 18 erasers for each pencil
Help
No links
No spamming
Answer:
a) 1 solution
b) infinite solutions
c) 1 solution
Step-by-step explanation:
If you were to solve each of the problems:
"x = 10" would mean that there is only one solution: 10"2 = 3" would mean that there are no solutions. These are not equal so the equation cannot be true regardless of the value of x."5 = 5" would mean that there are infinite solutions. The equation is true no matter what the value of x is.a)
\(2x+6=7x+5\\2x-7x=5-6\\-5x=-1\\5x=1\\x=\frac{1}{5}\)
This equation only has one solution: 1/5.
b)
\(6v+8=8+6v\\6v-6v=8-8\\0=0\)
This equation has infinite solutions.
c)
\(10-e=e-10\\10+10=e+e\\20=2e\\e=10\)
This equation also only has 1 solution: 10.
Find angle × Find angle y
Answer:
Angle x is 64 degrees. Angle y is 128.
Step-by-step explanation:
To find angle x:
In an isosceles triangle, the base angles are always congruent (equal). Since we know that one of the base angles is 64, and x is also a base angle, x is 64 degrees as well.
To find angle y:
Again, in an isosceles triangle, the base angles are always congruent. Since we know that one of the base angles is 26, we know that the other base angle is also 26. Then, to find the last angle (y), you use the triangle angle sum theorem which states that all angles in a triangle add up to 180. To figure out angle y, you do 180-26-26 to get 128. So angle y is 128 degrees.
Can you please help with this.
Answer:
1. 11/12 2. 3/20 3. 18/4 or 4 1/2
Step-by-step explanation:
A bag contains 8items of which two are deffective.A man selects 3 items
When a man selects 3 items, the probability that they're all defective will be 1/64.
How to calculate the probability?Probability is the occurence of likely events. It is the area of mathematics that deals with numerical estimates of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1.
From the information, bag contains 8items of which two are deffective. The probability of a defective item is:
= 2/8
= 1/4
When a man selects 3 items, the probability that they're all defective will be:
= (1/4)³
= 1 / 64
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Complete question
A bag contains 8items of which two are deffective. A man selects 3 items, what is the probability that they're all defective?
Two similar solid cones have their radii 15cm and 25cm respectively, if the volume of the bigger cone is 325cm³. Calculate (a) the linear scale factor (b) the volume scale factor (c) volume of the smaller cone
Answer:
The length scale factor = \(\frac{24}{6} = 4\)
The area scale factor = \(4^2 = 16\)
\[\text{Larger area} = 16 \times \text{smaller area}\]
\[50.3 \times 16 = 804.8\]
The area of the large clock face is approximately 804.8 cm2.
Step-by-step explanation:
The length scale factor = \(\frac{24}{6} = 4\)
The area scale factor = \(4^2 = 16\)
\[\text{Larger area} = 16 \times \text{smaller area}\]
\[50.3 \times 16 = 804.8\]
The area of the large clock face is approximately 804.8 cm2.
Answer:
a) the linear scale factor = 5/3
b) the volume scale factor = 125/27
c) 70.2 cm³
Step-by-step explanation:
r₁ = 15 cm, r₂ = 25 cm
r₂/r₁ = 25/15 = 5/3
They are similar, so h₂/h₁ = 5/3
a) the linear scale factor = 5/3
b) the volume scale factor = (5/3)³ = 125/27
c) V₂/V₁ = 125/27
Given V₂ = 325 cm³, V₁ = 325*27/125 = 70.2 cm³
At age 18, someone sets up an IRA (individual retirement account) with an APR of 7%. At the end of each month he deposits
$60 in the account. How much will the IRA contain when he retires at age 65? Compare that amount to the total deposits made
over the time period.
After retirement the IRA will contain S
(Do not round until the final answer. Then round to the nearest cent as needed.)
The amount that would be in th IRA when he retires at age 65 is $21,932.15.
How much would be in the account?An annuity is a series of payment that is made over a period of time. In this question, the annuity is monthly which lasts for 47 years (65 - 18). An ordinary annuity is when the payments are made at the end of the period. An annuity due is when the payment is made at the beginning of the period.
The amount deposited increases by the amount you put in it every month and by the interest rate the account accrues. The account earns an APR, this means that interest would be compounded yearly.
Total amount of deposits = amount deposited monthly x number of months in a year x number of years
$60 x 12 x 47 = 33,840
The formula that can be used to determine the future value of the account in 47 years is:
Monthly deposit x annuity factor
Annuity factor = {[(1+r)^n] - 1} / r
Where:
r = interest rate = 7% / 12= 0.583%n = number of periods = 12 x 47 = 564$60 x [{(1.00583)^564 - 1} / 0.07] = $21,932.15
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