1000 paperclips would weigh equal to the dictionary.
Weight of the dictionary = 1 kg
weight of one paper clip = 1 gm
according to the mathematical conversion system of weights
1 kilogram = 1000 grams
on the basis of the statement
1 gram is the weight of = 1 clip
so , 1000gm would be the weight of = 1 x 1000
1000 gm would be the weight of = 1000 clips
to weigh equal to the dictionary , we would require 1000 clips .
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Put the following equation of a line into slope-intercept form, simplifying all fractions. 3x−6y= −30
Answer: y = 1/2x + 5
Step-by-step explanation:
3x-6y= -30
Step 1: Subtract 3x to cancel it out and put it on the other side.
3x-6y= -30 -3x
- 3x
After doing that, the equation should look like this: -6y = -3x - 30
Step 2: Divide by -6 to get y alone
-6y/-6= (-3x - 30)/-6
Step 3: Solve
After dividing everything by -6, we get our answer!!
y = 1/2x + 5
*Slope-Intercept form will always end up being in the same format as y=mx+b
I hope this helps :))
After one day, you read 40 pages of a book. On each
following day, you read 10 more pages.
Write an equation in point-slope form to model the number
of pages you have read, y, after a days.
Then use your equation to determine the number of pages
of the book will you have read after 9 days.
pages
The equation of the number of pages is y = 40 + 10x and for 9 days, you read 130 pages
How to determine the equation of the number of pages?From the question, we have
Initial number of pages = 40
Rate per day = 10 pages per day
The equation of the number of pages is then represented as
y = Initial number of pages + Rate per day x Number of days
Substitute the known values in the above equation, so, we have the following representation
y = 40 +10 * x
Evaluate
y = 40 + 10x
For 9 days, we have
x = 10
This gives
y = 40 +10 * 9
Evaluate
y = 130
Hence, the number of pages is 130
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Find the coordinates of point P that lies on the line segment MQ. M(-5, 3), Q(4. 9), and partition the segment at a ratio of to 3. Graph line segment MG and Pin the coordinate plane.
The coordinates of point P that lies on the line segment MQ is P(-11/4 , 9/2).
Given:
M(-5, 3), Q(4, 9), and partition the segment at a ratio of 1 : 3.
(x1,y1) and (x2,y2) in the ratio m:n then,
(x,y) = (mx2+nx1 / m+n , my2+ny1 / m+n)
= (1*4+3*-5 / 1+3 , 1*9+3*3 / 1+3
= (4 - 15 / 4 , 9 + 9 / 4)
= (-11/4 , 18/4)
= (-11/4 , 9/2)
Therefore the coordinates of point P that lies on the line segment MQ is P(-11/4 , 9/2).
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In 2010, there were 3,669 people living in Bridgeview, IL. Chicago, IL has 681 times as
many people. How many more people live in Chicago?
Answer:
There are roughly 2,488,600 more people living in Chicago.
Find the absolute value of the complex number.
3i - 2
Absolute value of Complex Number -2 + 3i is [tex]\sqrt{13}[/tex]
Absolute value of complex number:
z = x + iy is the general form of the complex number where x is real part and y is the imaginary part.
If we talk about absolute value of complex number z = x + iy then it is represented by |z| = |x + iy|.It is also rad as modulus of z.Absolute value is always going to be a positive value.
and,
|z| = |x + iy|
= [tex]\sqrt{x^{2} + y^{2} }[/tex]
Now,
We have to find the absolute value of complex number, 3i - 2
z = 3i - 2
= -2 + 3i
Absolute value of z is,
|z| = | -2 + 3i |
= [tex]\sqrt{(-2)^{2} + 3^{2} }[/tex]
= [tex]\sqrt{4 + 9}[/tex]
= [tex]\sqrt{13}[/tex]
Thus,
Absolute value of Complex number -2 + 3i is [tex]\sqrt{13}[/tex]
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a pollster wishes to estimate the proportion of united states voters who favor capital punishment. how large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 5%?
The sample size must be 543 so the sample proportion is will not differ by 5%
We are given the following in the question:
Margin of error = 5%
Confidence interval:
p ±z√(p'(1 - p')/n)
Margin of error =
p = ±z√(p'(1 - p')/n)
Since no particular proportion is given, we take
p' = 0.5
Z critical at α 0.02 is ± 2.33
Putting values, we get,
p = ±z√(p'(1 - p')/n)
2.33 x √(0.5(1 - 0.5)/n)
√n = 2.33x 0.5/0.05
n = 542.89 = 543
Thus, the sample size must be 543 so the sample proportion is will not differ by 5%
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a boat travels 12 miles up the river in the same amount of time it takes to travel 32 miles down the same river. if the current is 5 miles per hour, what is the speed of the boat in still water?
Answer:
11 mi/h
Step-by-step explanation:
You want the speed of the boat when it travels 12 miles upstream against a current of 5 mph in the same time it travels 32 miles downstream with the current.
TimeThe relation between time, speed, and distance is ...
time = distance/speed
If b represents the speed of the boat, the times upstream and downstream are the same, so we have ...
(12 mi)/(b -5) = (32 mi)/(b+5)
Multiplying by the product of the denominators gives ...
12(b+5) = 32(b-5) . . . . . . also divided by "mi"
12b +60 = 32b -160 . . . . multiply by (b+5)(b-5)
220 = 20b . . . . . . . . . . . . add 160 -12b
11 = b . . . . . . . . . . . . . . . . . divide by 20
The speed of the boat in still water is 11 miles per hour.
__
Additional comment
Each trip took 2 hours.
Calculate the next two terms in each of these Fibonacci-type sequences.
a) 1, 4, 5,
5, 9,
o task
b) 2,
9, 14, ...
4, 6, 10, 16,
Watch video
Ans
The next two tems of the Fabonacci sequence are (a) 14, 23 (b) 23, 37 (c) 26, 42.
What is Fabonacci type sequence ?
The first two terms are already defined in the this sequence. The nth term of a Fabonacci type sequence is given by the following expression:
[tex]F_n=F_{n-1}+F_{n-2}[/tex]
(a)
In this case 5 terms are given hence, calculate the 6th term.
[tex]F_6=F_5+F_4\\F_6=9+5\\F_6=14[/tex]
Now, calculate the 7th term.
[tex]F_7=F_6+F_5\\F_7=14+9\\F_7=23[/tex]
(b)
Calculate the 4th term.
[tex]F_4=F_3+F_2\\F_4=14+9\\F_4=23\\[/tex]
Calculate the 5th term.
[tex]F_5=F_4+F_3\\F_5=23+14\\F_5=37[/tex]
(c)
The series is 4, 6, 10, 16, ...
[tex]F_5=F_4+F_3\\F_5=16+10\\F_5=26[/tex]
[tex]F_6=F_5+F_4\\F_6=26+16\\F_6=42[/tex]
Hence, the next two tems of the Fabonacci sequence are (a) 14, 23 (b) 23, 37 (c) 26, 42.
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pls help sjajgdjsiaysgdhwiudhh
Answer:
scalene acute
Step-by-step explanation:
scalene = 2 sides are the same and one is different
acute = all three angles are smaller than 90
If an arena charges $7. 50 to park in satellite parking and $12. 00 to park in an arena lot, how much will be made from parking 11,000 vehicles at the arena and 4,600 in satellites?.
Parking 11,000 automobiles at the venue and 4,600 in satellites will bring in total $166,500.
Define multiplication.One of the four fundamental mathematical operations, along with addition, subtraction, and division, is multiplication. Multiply in mathematics refers to the continual addition of sets of identical size. Let's use the ice creams as a multiplication example to help us comprehend. There are two such groupings, and each group has ice cream.
Given,
If an arena charges $7. 50 to park in satellite parking and $12. 00 to park in an arena lot,
Multiplying:
$7.5 x 4,600 = satellite parking
$34,500 = satellite parking
The next step is to determine how much it will cost to park in the arena lot.
$11,000 ×12 = arena lot
$32,000 = arena lot
Let's now calculate the entire revenue from parking.
Total earnings equal $132,000 + $34,500.
Amount made in total is $166,500.
In conclusion Parking 11,000 automobiles at the venue and 4,600 in total satellites will bring in $166,500.
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Miranda buys 5.1 pounds of avocados at the local store. How much does
one pound of the fruit cost if she is billed $16.83 for the purchase?
The cost of one pound is $3.3 or the rate of per pound fruits is $3.3.
What is meaning of one pound?
Pound is an unit to measure mass of an object. The plural form of pound is pounds.
What is the unitary method?
The unitary method is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.
Given that Miranda buys 5.1 pounds of avocados at the local store. The cost of the fruits is $16.83.
Apply unitary method to calculate the cost of 1 pound:
The cost 5.1 pounds fruit is $16.83.
The cost 1 pound fruit is $16.83/5.1 = $3.3.
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Write an inequality that represents the graph below
please help!!!!
Answer:
x < 0
Step-by-step explanation:
You want an inequality that represents the number line graph with an open circle at 0 and shading to the left.
End pointThe end point of an interval on a number line graph is indicated by either an open circle or a filled circle (dot). The circle is open if that end point is not included in the set being graphed. If the end point is included, then the circle is filled to become a solid dot.
The circle at x=0 on this graph is an open circle, so x=0 is not part of the solution set.
ShadingThe shading on the number line indicates the values that are included in the solution set. Here, shading is to the left of x=0, so includes all values less than 0. This is written as the inequality ...
x < 0
__
Additional comment
If you write number-line intervals using the left-pointing symbols < or ≤, then the location of x relative to the symbol is the same as the location of the shading relative to the end point.
Here, shading is to the left of 0, so we can write the inequality ...
x < 0
where x is to the left of 0 in the inequality expression. (As we said above, we use < for the open circle. ≤ is used for a filled dot.)
K
The voltage V of an audio speaker can be represented by V=2√P, where P is the power of the speaker. An engineer wants to design a speaker with 576 watts of power. What will
the voltage be?
volts
According to the given voltage function, the value of the voltage for the power of 576 watts is 48 watts.
Function:
The relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
Given,
The voltage V of an audio speaker can be represented by V=2√P, where P is the power of the speaker. An engineer wants to design a speaker with 576 watts of power.
Here we need to find the voltage of the given power.
In the given question we have the voltage function
v = 2√P
Where P refer the power of the speaker.
Here we have to find the voltage if engineer wants to design a speaker with 576 watts of power.
Which means the value of P is 576.
Then the value of V is calculated as,
v = 2 √576
We know that the value of √576 = 24,
So,
v = 2 x 24
v = 48.
Therefore, the voltage is 48 watts.
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5.8, 6.328, 5.8042, 5.84 order these numbers from least to greatest
Answer:
Step-by-step explanation:
5.8, 5.8042, 5.84, 6.328
A local farmer had a mouse problem in his barn. He estimated there were about 800
mice to start with. He adopted some cats and noticed that the number of mice was
decreasing by 8%/wk. The graph models the number of mice x weeks after the
farmer adopted the cats.
Identify and interpret the key features of the exponential function modeled in terms
of this situation!
Answer: try a c and e
Step-by-step explanation:
What is the slope? (15,-4) & (-50,16)
f(x) = x^2. What is g(x)?
Answer:
[tex]\textsf{B.} \quad g(x)=-x^2-2[/tex]
Step-by-step explanation:
Transformations
[tex]f(x)+a \implies f(x) \: \textsf{translated $a$ units up}.[/tex]
[tex]f(x)-a \implies f(x) \: \textsf{translated $a$ units down}.[/tex]
[tex]-f(x) \implies f(x) \: \textsf{reflected in the $x$-axis}.[/tex]
[tex]f(-x) \implies f(x) \: \textsf{reflected in the $y$-axis}.[/tex]
From inspection of the given graph, we can see that g(x) is function f(x) reflected in the x-axis and translated 2 units down.
Given function f(x):
[tex]f(x)=x^2[/tex]
Reflected in the x-axis:
[tex]-f(x) \implies g(x)= -x^2[/tex]
Translated 2 units down:
[tex]-f(x)-2 \implies g(x)=-x^2-2[/tex]
Therefore:
[tex]g(x)=-x^2-2[/tex]
Note:
If the leading coefficient of a quadratic function is positive, the parabola opens upwards.
If the leading coefficient of a quadratic function is negative, the parabola opens downwards.
Therefore, as g(x) opens downwards, the term in x² will be negative.
You operate a theme park and want to use the temperature outside and the day of the week to predict how many people will be in attendance each day. While testing this model, you also want to see if the relationship between temperature and theme park visitors will be curvilinear. You decide not to test for interactions. How many betas will be in your model aside from the y-intercept?.
Three betas will be in our model aside from the y-intercept.
In the given question, we have to find how many betas will be in your model aside from the y-intercept.
You operate a theme park and want to use the temperature outside and the day of the week to predict how many people will be in attendance each day.
While testing this model, you also want to see if the relationship between temperature and theme park visitors will be curvilinear.
You decide not to test for interactions.
From the given question,
We have y intercept that means our model well be
[tex]y=\beta_{0}+x_{1}\beta _{2}+x_{2}\beta _{2}+x_{1}x_{2}\beta _{12}[/tex]
where [tex]\beta _{1}[/tex] is for temperature and [tex]\beta _{2}[/tex] is day of the week.
3 betas are there aside intercept of y.
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can someone help me, please?
Answer:
I would say answer D is correct since it is closest to 1,760 yards.
Step-by-step explanation:
;)
unit 3 function notation and evaluating function homework gina wilson (all things algebra), 2013
Answer:
b
Step-by-step explanation:
it is the answer
Cooper's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 96
coffees in all, 72 of which were regular. What percentage of the coffees were regular?
Answer:
75%
Step-by-step explanation:
To solve this equation, we need to turn the fraction 72/96 into a percentage.
72 ÷ 96 = 0.75
0.75 as a percentage is 75%
Therefore, 75% of the coffees were regular.
Find the quotient and write the answer in simplest form 2 4/3 ÷1 8/7 =
first off let's convert the mixed fractions to improper fractions and then divide.
[tex]\stackrel{mixed}{2\frac{4}{3}}\implies \cfrac{2\cdot 3+4}{3}\implies \stackrel{improper}{\cfrac{10}{3}} ~\hfill \stackrel{mixed}{1\frac{8}{7}}\implies \cfrac{1\cdot 7+8}{7}\implies \stackrel{improper}{\cfrac{15}{7}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{10}{3}\div \cfrac{15}{7}\implies \cfrac{10}{3}\cdot \cfrac{7}{15}\implies \cfrac{10}{15}\cdot \cfrac{7}{3}\implies \cfrac{2}{3}\cdot \cfrac{7}{3}\implies \cfrac{14}{9}\implies 1\frac{5}{9}[/tex]
For this exponential
function,
what is the output value (y),
when the input value (x) is O?
y = 12.5x
*it’s not 1*
After solving the exponential function y = 12.5ˣ, the value of y = 1.
What is an exponential function?The formula for an exponential function is f (x) = ax, where x is a variable and an is a constant that serves as the function's base and must be bigger than 0.
The transcendental number e, or roughly 2.71828, is the most often used exponential function basis.
So, the exponential function:
y = 12.5ˣ
We know that x is 0.
The exponential function rule states that when the power is 0, the answer is always 1.
y = 12.5ˣ
y = 12.5⁰
y = 1
Therefore, after solving the exponential function y = 12.5ˣ, the value of y = 1.
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Correct question:
For this exponential function, what is the output value (y), when the input value (x) is O?
y = 12.5ˣ
in the diagram below of triangle KLM, N is the midpoint of KM and O is the midpoint of LM if NO equals 3+ 7X and KL equals 4X +16 what is the measure of no
If O is the midpoint of LM and N is the midpoint of KM then the measure of NO is 10.
What are Linear equations?Linear equations are a combination of constants and variables where the value of the variable is calculated using mathematical operations.
We have given that Triangle KLM, N is the midpoint of KM and O is the midpoint of LM if NO equals 3+ 7X and KL equals 4X +16, we are supposed to find the measure of NO.
Using the Midpoint theorem, we can say that in Triangle KLM;
NO = KL / 2
Substituting values,
3+ 7X = 4X +16/ 2
3+ 7X = 2X + 8
7x - 2x = 8 - 3
5x = 5
x = 1
NO = 3+ 7X
NO = 3+ 7(1) = 10
NO equals 10
Hence the measure of NO is 10.
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PLEASE HELP
If Janice is building a garden and the perimeter is 20 (P = 20) and the length is 4 (L = 4), find w (the width)
Answer:
w = 6 units
Step-by-step explanation:
The perimeter is found by adding all the sides of a rectangle. The perimeter can be found using this equation:
[tex]P=2w+2l[/tex]
Where w represents width and l represents length.
To find the width, rearrange the equation so it is in terms of w:
[tex]P=2w+2l\\2w=P-2l\\w=\frac{P-2l}{2}[/tex]
Now, plug in the known values!
[tex]w=\frac{20-2(4)}{2}[/tex]
Simplify!
[tex]w=\frac{12}{2} \\w=6[/tex]
a farmer is enclosing a rectangular area for his sheep to graze, where one side will be a wall that already exists. he wants the area to be 20,000 20,000 square feet. what is the least amount of fencing he can use to create the area for his sheep?
Using the concepts of area of rectangle, we got that 72 feet is the the least amount of fencing he can use to create the area for his sheep.
Lets, suppose that the length of rectangle as x feet,
and width of rectangle as y feet.
So perimeter of rectangle as 2×( length + breadth)
We are given perimeter of rectangle as 72 feet
So, length of two sides of rectangle + width of rectangle=72feet.
=>2x+y=72 feet----------(eq1)
Now, we know that area of rectangle is given by =(length × breadth),or
=>(x × y)=20000
Putting values of y from eq1,we get
=>x × (72-2x)=20000
=>72x-2x²=20000
We need to find the least amount of fencing, so we find the local minima by using the differentiation
=>d(72x)/dx-d(2x²)/dx=d(20000)/dx
=>72-4x=0
=>x=18feet
Therefore, y=72-2×18=72-36=36feet
Hence, length of rectangle is 18 feet, and width is 36 feet
Therefore, length of fencing is =2x+y=2×18+36=72 feet.
Hence, if a farmer is enclosing a rectangular area for his sheep to graze, where one side will be a wall that already exists. he wants the area to be 20,000 square feet, then the least amount of fencing he can use to create the area for his sheep is 72 feet.
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(Complete question) is:
a farmer is enclosing a rectangular area for his sheep to graze, where one side will be a wall that already exists. Perimeter of rectangle is given as 72 feet. He wants the area to be 20,000 square feet. what is the least amount of fencing he can use to create the area for his sheep?
A polynomial function P(x) with rational coefficients has the given roots. Find two additional roots of P(x)=0. 17+7 and 2i
The two additional roots are:-0.17-7i and -2i
Given,
A polynomial function P(x) with rational coefficients has the given roots.
P(x) = 0.17+7i and 2i
we are asked to determine the two additional roots of the given P(x).
we know that a+bi is a root of P(x)=0, then a-bi is also a root of P(x)=0
we have:
0.17+7i and 2i are two roots pf P(x)
so, -0.17-7i and -2i are two additional roots of P(x).
Hence we get the required roots.
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Which of the following explains why (x + 3) = (x − 6))
has no solution?
Answer:
The is no number that I can substitue in for x to make the statement true.
Step-by-step explanation:
s + 3 = x -6 Subtract x from both sides
3 = -6 We get a false statement.
There are 20 people in a room. 4 of them are people you know. When 2 people are selected at random at the same time, what is the probability that at least one of them is someone you know?
(this is a basic question but its 4am, my brain isnt working properly)
Answer:
4/20=1/5 or 20% or 0.2
Step-by-step explanation:
if u write 4/20 simplify it which becomes 1/5
u can write in percentage or in decimal depending on what the question wants
Solve (x – 3)2 = 49. Select the values of x.
Answer:
27.5
Step-by-step explanation:
2x-6=49
2x=55
x=27.5