The total number of sugar will be 9/4.
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
A Baker Had 1/3 Cups Of Sugar.
he Added 1/9 Cups To It
Let the number of sugar be x
x (1/3) + 1/9x = 1
3x + 1x = 9
4x = 9
x = 9/4
Hence, the total number of sugar will be 9/4.
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A car travels a distance of 210 m in a time of 6 seconds. Calculate the time in seconds for the car to travel a distance of 1928 m.
Answer:
It will take 55.08 seconds.
Step-by-step explanation:
6 seconds = 210m
1 second = (210÷6)
= 35m
1928m ÷ 35m
=55.08 seconds
Answer = it will take 55.08 seconds to travel 1928m
culture started with 2,000 bacteria. After 3
ours, it grew to 2,600 bacteria. Predict how
any bacteria will be present after 9 hours.
ound your answer to the nearest whole
umber.
P = Aekt
Step-by-step explanation:
2600 = 2000•e^3k
e^3k = 2600/2000
e^3k = 13/10
3k = ln(13/10)
k ≈ 0.087
P = 2000•e^0.087•9
P = 4376
Question 9 of 10 Which of these groups of values plugged into the TVM Solver of a graphing calculator will return the same value for PV as the expression ($505)((1+0.004) - 1) ? (0.004)(1+0.004) Question 9 of 10 Which of these groups of values plugged into the TVM Solver of a graphing calculator will return the same value for PV as the expression ( $ 505 ) ( ( 1 + 0.004 ) - 1 ) ? ( 0.004 ) ( 1 + 0.004 )
The TVM solver is a tool found in graphing calculators, that solve Time Value of Money problems.
The group of values that will return the same value as the given expression is;
D. N = 24; I% = 3.6; PV =; PMT = -415; FV = 0; P/Y = 12; C/Y = 12; PMT :END
What is Present Value?
Present value (PV) formula finds application in finance to calculate the present day value of an amount that is received at a future date.
In the TVM solver, we have;
I = The annual percentage rate
N = n × t
t = The number of years
PV = Present value
PMT = Payment
P/Y = Number of payments per year = n
C/Y = Number of compounding periods per year = n
The formula for monthly payment is presented as follows;
[tex]P = \frac{M[(1+r/n)^{nt} - 1]}{(r/n)(1+r/n)^{nt}}[/tex]
M = [tex]\frac{P.(r/n)(1+ r/n)^{nt} }{(1+ r/n)^{nt} - 1}[/tex]
Therefore, we get;
Where;
M = PMT = -415
P = PV
r = I
P/Y = n = 12
Therefore;
0.003 = I/12
I = 0.003 X 12 = 3.6%
N = n X t = 24
The value of the equation is the present value, PV = ?
When payment are made based on the PV, we have FV = 0
The group of values the same value as the expression
P = [tex]\frac{(415)[(1+0.003)^{24}-1]}{(0.003)(1+0.003)^{24}}[/tex]
when plugged into the TVM solver of a calculator is;
D. N = 24; I% = 3.6; PV =; PMT = -415; FV = 0; P/Y = 12; C/Y = 12; PMT :END
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Suppose y varies inversely as x, and y = 16 when x = 1/2. Find y when x = 17.
Finding the proportionality constant :
y = k/x16 = k/(1/2)k = 8Finding y when x = 17 :
y = 8/(17)y = 8/17The value of y is 8/17 when x = 17.
Use the figure to decide the type of angle pair that describes <5 and <6.
3
5
1
4
2
6
Answer:
A. Corresponding Angles
Step-by-step explanation:
1. ∠4 and ∠6 = 180°
2. ∠3 and ∠5 = 180°
3. So, ∠5 and ∠6 are the same angles.
Use the drawing tool(s) to form the correct answer on the provided number line.
Consider the given functions.
Function 1
f(x) = -5x + 11 + 10
Function 2
g(x)
-2
Represent the interval where both functions are decreasing on the number line provided.
30
20
10-
-10-
-20-
-30-
2
6
x
[tex](-1,\infty)\cap (-2,2) ---- > (-1,2)[/tex]
What is the function's decreasing in the interval?Generally, the equation for the function is mathematically given as
f(x) = -5x + 11 + 10
Therefore
When x >= -1, the function decreases because f(x) = -5(x+1)+10.
This means that the function is dropping throughout this range[tex](-1,\infty).[/tex]
b)
A look at the graph reveals a decreasing trend in the function over the timeframe (-2,2).
In conclusion, The number line will represent
Using the point where the intervals with decreasing functions overlap
[tex](-1,\infty)\cap (-2,2) ---- > (-1,2)[/tex]
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Answer:
see photos
Step-by-step explanation:
Plato/Edmentum
The table gives some information about the heights of 30 plants. Height, h in cm Frequency 0
Answer:
C. 20 ≤ h < 30
Step-by-step explanation:
Median
The value in the middle of the data set when all the data values are placed in order of size.
As this is grouped data, we can only estimate the median.
Add an extra row to the table showing the Cumulative Frequency:
[tex]\begin{array}{|c|c|c|}\cline{1-3} \sf Height & \sf Frequency & \sf Cumulative\:Frequency \\\cline{1-3} \sf 0 \leq h < 10 & 1 & 1 \\\cline{1-3} \sf 10 \leq h < 20 & 9 & 10 \\\cline{1-3} \sf 20 \leq h < 30 & 7 & 17 \\\cline{1-3} \sf 30 \leq h < 40 & 13 & 30 \\\cline{1-3}\end{array}[/tex]
To find which class the median is in, divide the total number of data values by 2:
[tex]\implies \sf \dfrac{n}{2}=\dfrac{30}{2}=15[/tex]
Therefore, there are 15 values less than or equal to the median.
From the table, the 11th to 17th data values are in class 20 ≤ h < 30. Therefore, the median must be in the 20 ≤ h < 30 class.
Answer:
C (look at explain!)
Step-by-step explanation:
When you eat certain foods, sugar is immediately released into your bloodstream. many doctors say kids should only take in 6 teaspoons (24 grams) of added sugar each day. jack is making lemonade for his school and wants to follow that recommendation. he wants to make 206 servings, following the recommendation, how many grams of sugar will he use?
Answer:
4,944
Step-by-step explanation:
What is the inverse of the function g(x)=-3(x + 6)?
Please help me ASAP
Answer:
Inverse g(x) = -x/3-6
Step-by-step explanation:
To understand this just think g(x) as y so
we got y= -3(x+6) after that we change the minus three to left
so we got -y/3 because -3 is multiply. After that plus 6 came and become minus 6.
After all,you have to replace x in y place.
y = -3(x +6)
-y/3 = x +6
-y/3 -6 = x
-x/3 -6 = g(x)
HEPPPPPPPPPP PLEASEEEEEEEE
Answer:
x-int=(2,0)
y-int=(0,4)
Step-by-step explanation:
5. Walker is reading a book that is 792 pages. He reads
15 pages a day during the week, and 25 pages a day
during the weekend. After 5 weeks of reading, how
many pages does Walker still have left to read before
he finishes the book?
Let r represent the pages left to read.
Equation:
Walker has
to read.
pages left
To form equations from word problems, we can derive mathematical operations as well as variables from the given information.
In this case, each time Walker reads a certain number of pages, we subtract that from the total number of pages left to know how many pages is left to read.
Solving the QuestionLet r represent the pages left to read.
792 pages in total
⇒ r = 792Walker reads 15 pages a day during the week and 25 pages a day during the weekend.
There are 5 weekdays, and he reads 15 pages each of those days. ⇒ r = 792 - 5×15There are 2 weekend days, and he reads 25 pages each of those days.5 weeks have passed
Multiply the terms representing the number of pages he reads a week by 5, for 5 weeks.r = 792 - (5×15 + 2×25)×5
In testing for differences between the means of two dependent populations where the variance of the differences is unknown, the degrees of freedom are:
The degrees of freedom in testing for differences between the means of two dependent populations where the variance of the differences is unknown are: df = n - 1
What is the degree of freedom for dependent variables?In statistics, degrees of freedom refers to the number of distinct values that can change in an evaluation without exceeding any constraints.
The degree of freedom is crucial and necessary when attempting to comprehend the significance of a test statistic and the validity of the null hypothesis.
In testing for differences between the means of two dependent populations where the variance of the differences is unknown, the degrees of freedom are: df = n - 1
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Out of a population of 1,000 students, 80 were asked by a random sampling what color they would prefer for their first car. Their responses are shown in the table below.
Car Color
Favorite Color
Number of Students
Blue
5
Red
18
Gray
27
Silver
14
White
16
Using proportional reasoning, how many students out of the 1,000 would you expect to prefer a silver car?
There are 175 students out of the 1,000 would you expect to prefer a silver car.
What is Proportional?Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.
We have to given that;
Out of a population of 1,000 students, 80 were asked by a random sampling what color they would prefer for their first car.
Now, We have there are 14 students out of 80 prefer silver car for their first car.
Hence, By using proportion, we get;
⇒ 14/80 = x / 1000
⇒ 14 × 1000 / 80 = x
⇒ x = 175
Thus, There are 175 students out of the 1,000 would you expect to prefer a silver car.
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Answer:
175
( ̄︶ ̄)↗
Step-by-step explanation:
2. The letters from the word MATH are placed in a hat. What is the probability that you select an A when you are choosing a letter without looking? A. What is asked in the problem? 8. What are the given numbers? What operation will you use? D What is the mathematical sentence? E What is the answer to the problem? V. A
The probability of getting M from the word MATH placed in hat is 0.25.
Probability is defined as the ratio of the number of favorable results to the total number of elements of an event.
P= number of favorable outcomes / total number of outcomes of an event
A. The problem is the probability of finding A
B. The given are MATH i.e. {M,A,T,H}
C. the operation used will be selecting a word from hat of word MATH
D. the mathematical statement from the probability of finding M will be
P(getting M from word MATH)
E. the answer to the problem will be calculated as
no. of element in the hat=4 i.e. {M,A,T,H}
no. of favorable outcomes= 1 i.e. {A}
P(getting A from word MATH) = number of favorable outcomes/ number of total outcomes
⇒ P(getting A from word MATH) = 1/4
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What is an important similarity between the uniform and normal probability distributions?
The important similarity between the uniform and normal probability distributions is that the mean and the median of both distributions are equal
How to determine the important similarity?In a normal probability distribution, we have:
Mean = Median
In a uniform probability distribution, we have:
Mean = Median
This means that:
In both distributions, the mean and the median are equal
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Part of the proceeds from a garage sale was $540 worth of $5 and $20 bills If there were 3 more bills $5 bills than $20 bills, find the number of each denomination.
An equation is formed when two equal expressions. There are 21 $20 bills and 24 $5 bills.
What is an equation?An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
Let the number of $5 bills be x, while the number of $20 bills be y.
Given there were 3 more $5 bills than $20 bills. Therefore, this can be represented as
x = y + 3
Also, The total worth of the dominations is $540. Therefore, we can write,
5x + 20y = 540
Substitute the value of x form the first equation,
5x + 20y = 540
5(y+3) + 20y = 540
5y + 15 + 20y = 540
25y = 525
y = 21
Substitute the value of y in the first equation,
x = 21 + 3
x = 24
Hence, there are 21 $20 bills, and 24 $5 bills.
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The absolute value of -183 is _______.
Answer:
183
Step-by-step explanation:
The absolute value of a number is the number's distance from zero, which will always be a positive value. To find the absolute value of a number, drop the negative sign if there is one to make the number positive.
Answer: 183 ✅
Step-by-step explanation:
Hii, do you need to know the absolute value of "-183"? No problem! (:
What is Absolute Value? | DefinitionThe absolute value of a number is that number's distance from zero.
That's why absolute value is always positive, because negative distances don't exist.
That's why the absolute value of a number is always positive.
|x|=x| | denotes absolute value
|-x|=-x[tex]\large\boldsymbol{\therefore,\;the\;absolute\;value\;of\;-183\;is\;183}}[/tex]
Voila! There's our answer, cheers! (:
____________________Hope that this helped! Best wishes.
[tex]\it Reach \ far. \ Aim \ high. \ Dream \ big.[/tex] ____________________[tex]\bigstar\underbrace[/tex]
BRAINLY IF CORRECT!!!
Does anyone know what the s inside the angle mean. The symbol?
Answer: I'm 90% sure that the S inside the angle is spatial points
The full Definition of the symbol combination is approximately equal to Spatial points?
Step-by-step explanation:
I searched s inside angle symbol and these are my results. "The angle symbol is a mathematical symbol that is placed ahead of character s, usually uppercase italic letters representing spatial points, to describe a geometric angle formed by the intersection of two lines, line segments, or rays." I'm sorry if I'm wrong.
1.) tel ephone number (type of data
The telephone number datatype is text or string
How to determine the datatype?The term is given as:
telephone number
A telephone number contains the following
DigitsBrackets (Optional)Hyphen (Optional)The optional parts of a phone number makes it difficult to use the numeric datatype for a phone number.
So, we make use of text or string datatype
Also, the phone number cannot be used in calculations.
Hence, the telephone number datatype is text or string
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Complete QuestionThe telephone number is what type of data
Please help i dont get this at all so please i will highly appreciate it .Thank youuu!!!
Answer:
The answer would be D 7mn+3m/2+5n/4
Step-by-step explanation:
A polynomial is a combination of terms separated by +
or − signs. A polynomial does not contain variables raised to negative or fractional exponents, variables in the denominator or under a radical, or any special features such as trigonometric functions, or logarithms.
Which rule describes a composition of transformations the maps pre-image PQRSto image P”Q”R”S”
The rule that describes the composition of transformations that maps figure PQRS to figure P"Q"R"S"is r y-axis • RO, 90° (x, y)
How to determine the transformation?See attachment for complete question
From the image, we have:
P = (1,1)
Q = (1,5)
R = (3,5)
S = (3,1)
Start by reflecting PQRS across the y-axis. i.e. r y-axis
This is done by
(x, y) -> (-x,y)
So, we have:
P' = (-1,1)
Q' = (-1,5)
R' = (-3,5)
S' = (-3,1)
Next, we rotate by 90 degrees counterclockwise i.e. RO, 90° (x, y)
This is done by
(x, y) -> (-y, x)
So, we have:
P'' = (-1,-1)
Q'' = (-5,-1)
R'' = (-5,-3)
S'' = (-1,-3)
Hence, the rule that describes the composition of transformations that maps figure PQRS to figure P"Q"R"S"is r y-axis • RO, 90° (x, y)
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The graphs of the functions f (x) = 2x+ 7 and g(x) = x2 -1 intersect in t
xy-coordinate plane. What are the points of intersection?
Answer:
See below
Step-by-step explanation:
This is a line and a parabola......where they intersect the two equations are equal :
2x+7 = x^2 - 1
x^2 - 2x -8 = 0
(x-4)(x+2) = 0 shows the x-coordinate for intersections at x = 4 and -2
sub these x values into one of the equations to calculate the y coordinate
y = 2(4) + 7 = 15 so one point is 4,15
y = 2(-2) + 7 = 3 the other point is then -2, 3
HELP MOI
MATH WORK=IMPOSSIBLE
PLEASE
Answer:
-32/21
Step-by-step explanation:
First, we can convert -0.35 into a fraction: -35/100, which could be further simplified to -7/20.
Dividing a fraction by another is the same thing as multiplying a fraction by the reciprocal (denominator over numerator) of the fraction. Therefore, we can rewrite this expression as: 8/15 * -20/7
To find the answer to that, you simply multiply the numerators together and the denominators together separately. The final answer is -32/21.
Answer:
-1 11/21
First step:
First, you change the decimal into a fraction. To do that you look at the decimal place at the end of -0.35. The decimal place is hundredths. That means the fraction form of -0.35 is -35/100.
Now to simplify it just find out what both the numbers can be divided by. In this case, 35 and 100 can be divided by 5. If you divide them both by 5 you get -7/20
Fraction form: -7/20
Second step:
Now you just plug it in to the equation.
8/15÷(-7/20)
To solve this you need to change it to multiplication and flip the second fraction.
8/15×(-20/7)
Final step:
Now you multiply the fractions.
8/15×(-20/7)= -32/21 or -1 11/21
Final answer: -1 11/21
Which of the following parent functions has a domain and range of all real
numbers, excluding the origin?
Sorry, I think my answer to your question is wrong.
make a 2 column proof
please make it simple like JK is parallel to NM(given)
i will also give brainliest
Answer:
Given: L is the midpoint of [tex]\overline{JM}[/tex] (given)
[tex]\overline{JL} =\overline{LM}[/tex] (definition of a midpoint)
Given: [tex]\overline{JK} \parallel \overline{NM}[/tex] (given)
[tex]\angle KJL \cong \angle NML[/tex] (alternate interior angles theorem)
[tex]\angle JKL \cong \angle MNL[/tex] (alternate interior angles theorem)
[tex]\triangle JKL \cong \triangle MNL[/tex] (SAA postulate)
(I have also created it in table form and attached a screenshot)
The coldest temperature ever recorded in New York City was -15F on February 9, 1934. The next day, the temperature rose 42F. Write an expression for the temperature on February 10.
Answer:
An expression for the temperature on February 10 = -15F +42F = 27F
Step-by-step explanation:
the problem given is based on the algebra of simple addition : -
Addition of Algebraic Expressions : -
In addition of algebraic expressions while adding algebraic expressions we collect the like terms and add them. The sum of several like terms is the like term whose coefficient is the sum of the coefficients of these like terms.
Two ways to solve addition of algebraic expressions.
Horizontal Method: In this method, all expressions are written in a horizontal line and then the terms are arranged to collect all the groups of like terms and then added.
Column Method: In this method each expression is written in a separate row such that there like terms are arranged one below the other in a column. Then the addition of terms is done column wise.
so the question can be solved using Horizontal method :-
temperature on 9 Feb = -15F
temperature rose on 10th Feb = 42F
so the temperature on 10th Feb is :
-15F +42F = 27F
therefore, an expression for the temperature on February 10 is
-15F +42F = 27F (answer)
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Which table represents a linear function?
2
3
4
5
(J1
10
15
20
25
Answer:
I think it’s C
Step-by-step explanation:
I think
answer?......................
Answer:
22
Step-by-step explanation:
6( n^2 +2)
-----------------
n
Let n = 3
6( 3^2 +2)
-----------------
3
Parentheses first
6( 9 +2)
-----------------
3
6( 11)
-----------------
3
Top of the fraction next
66
-----
3
Divide
22
Which function is increasing?
The only increasing function is the last option:
[tex]f(x) = 5^x[/tex]
Which function is increasing?
Here we only need to see that, is as x increases also do f(x). Then the function will be increasing.
The cases for exponential functions is actually more trivial than that.
If the base is between zero and 1, then the function is decreasing.If the base is larger than 1, then the function is increasing.In the given options there is only one function with a base larger than 1, which is the last option:
[tex]f(x) = 5^x[/tex]
That is the correct option.
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3.Samy withdrew 1/4 of his savings from the bank. He spent $450 of it and had $150 left. How much was his total savings in the bank at first?
Answer:
$2,400
Step-by-step explanation:
Total Amount withdrawn from bank = Withdrawn amount spent + Withdrawn amount remaining = $450+$150 = $600
1/4 of Savings in bank = $600
Total savings in bank = [tex]600/\frac{1}{4}[/tex]
= 600 * 4
= $2,400