Answer:
1450
Step-by-step explanation:
23*63= 1449
1449 yo the nearest 10 = 1350
Jenny has some tiles in a bag. The tiles are of three different colors: purple, pink, and orange. Jenny randomly pulls a tile out of the bag, records the color, and replaces the tile in the bag. She does this 50 times. The results are recorded in the given table:
Color of Tile Purple Pink Orange
Number of times the tile is drawn 6 18 26
What is the experimental probability that Jenny will pull out an orange tile? (5 points)
Answer:
First part
Prob(Pink) = 18/50
this would be 22/50 = 44/100 = 44%
Step-by-step explanation:
Which expression is represented by the diagram?
Answer:
Its A.
Step-by-step explanation:
hope this helps.
The expression which is represented by the graph will be -6 -(-1) so the correct option will be (A).
What is the expression?An equation can be defined in numerous ways. Algebraically speaking, an equation is a statement that shows the equality of two mathematical expressions.
More than one variable may be present inside a linear equation. An equation is said to be linear if the maximum power of the variable is consistently unity.
A formula known as an equation uses the same sign to denote the equality of two expressions.
In given figure the, one box represents -1
Now there are total 6 box = -1 times 6 = -6
Now the last box is removed it means it should be subtracted from all the box
-6 - ( One box) = -6 -(-1) hence option A will be correct.
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i will give brainliest to best answer
That's a Congruent Triangle question.
The first thing that we should to analize is it: What figure is EFGH? The question say for us that \(\overline{EF} \cong \overline{GH}\) and \(\overline{EH} \cong \overline{GF}\), therefore, EFGH is a parallelogram because its parallel sides are congruents (equals).
Now, we should to proof that \(\triangle EFH \cong \triangle GHF\). The simbol "≅" means congruence, that is, \(\triangle EFH \cong \triangle GHF\) means that the triangles EFH and GHF are equals.
Let's proof:
\(\overline{HF}\) is a diagonal of the parallelogram EFGH. When we have a diagonal in a parallelogram, the opposite angles are congruents (look at the picture: the blue angles are congruent and the red angles are congruents too). Therefore, \(E\hat{F}H \cong F\hat{H}G\) and \(E\hat{H}F \cong H\hat{F}G\).
Both triangle has a comum side: the diagonal \(\overline{HF}\). The diagonal \(\overline{HF}\) is between two angles that we know that are congruents, Therefore, by the case ASA (Angle, Side, Angle), we proof that \(\triangle EFH \cong \triangle GHF\).
Find the average value of f(x) = 4(x + 1) / x^2 over the interval [2:41
the average value of \(f(x) = 4(x + 1) / x^2\) over the interval [2, 4] is (4 ln(2) + 1) / 2.
To find the average value of a function f(x) over an interval [a, b], we need to calculate the definite integral of the function over that interval and then divide it by the length of the interval (b - a).
In this case, we want to find the average value of \(f(x) = 4(x + 1) / x^2\) over the interval [2, 4].
First, let's calculate the definite integral of f(x) over the interval [2, 4]:
∫[2, 4] 4(x + 1) / \(x^2\) dx
To simplify the integral, we can rewrite the function as:
∫[2, 4] (4/x + 4/\(x^2\)) dx
Using the linearity property of integrals, we can split the integral into two parts:
∫[2, 4] (4/x) dx + ∫[2, 4] (4/\(x^2\)) dx
Now, let's calculate each integral separately:
∫[2, 4] (4/x) dx = 4 ln|x| |[2, 4] = 4 ln(4) - 4 ln(2) = 4 ln(2)
∫[2, 4] (4/\(x^2\)) dx = -4/x |[2, 4] = -4/4 + 4/2 = -1 + 2 = 1
Adding the two results together:
4 ln(2) + 1
Now, we divide this sum by the length of the interval [2, 4], which is 4 - 2 = 2:
(4 ln(2) + 1) / 2
Therefore, the average value of \(f(x) = 4(x + 1) / x^2\)over the interval [2, 4] is (4 ln(2) + 1) / 2.
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How many unit cones would you need to make rectangular prism that is 8 cubic units tall, 4 cubic units wide, and 6 cubic units long?
Answer:
192 unit³
Step-by-step explanation:
The number of unit cones required t make a rectangular prism of the dimension given is obtained by calculating the volume of the rectangular prism:
Height, h = 8 unit³
Width, w = 4 unit³
Length = 6 unit³
The volume of the rectangular Prism is given as :
Volume = Length * width * height
Volume = (6 * 4 * 8) unit³
Volume = 192 unit³
please answer the following question(math question)
don't spam
Answer:
well hlo again ( ˘ ³˘)♥ (◍•ᴗ•◍)❤
Pedro has determined that the probability his shot will score in a lacrosse game is 0.30. What is the probability that he will score on two consecutive shots? 0.09 0.15 0.30 0.60 Jillian has three different bracelets (X, Y, and Z) to give to her friends as gifts in any order she prefers. If bracelet Y is chosen first, in how many ways can Jillian give out the bracelets? 1 2 3 4
Answer:
a) 0.09
b) 2 ways
Step-by-step explanation:
a) Probability Pedro's shot will score will be given as) :
P(score) = 0.30
The probability he will score in 2 consecutive shots will be calculated as:
P(score) * P(score)
= 0.30 * 0.30
= 0.09
Therefore, probability he will score in 2 consecutive shots is 0.09
b) Jillian has 3 bracelets: X, Y, & Z as a gift. If bracelet Y is chosen first, the number of ways Jillian can give out the bracelets since bracelet Y is chosen first, she will have 2 bracelets remaining. So, number of ways to distribute these 2 bracelets are :
= 2!
= 2 * 1
= 2
Which could be in this order:
YXZ or YZX
Therefore, the number of ways if Y is chosen first is = 2 ways
Answer: A. 0.09
Just took test.
what is 7/8 as a decimal
Answer:
0.875
Step-by-step explanation:
Answer:
0.875
Step-by-step explanation:
A manager uses the following equation to predict monthly
receipts: Y=450+10t. What is the forecast for July of 2011 if t = 1
in April of the same year?
a.
500
b.
490
c.
480
d.
470
The forecast of monthly receipts for July 2011, based on the given equation Y=450+10t, with t=1 in April of the same year, is 460.
The equation Y=450+10t represents a linear relationship between the monthly receipts (Y) and time (t), with an initial value of 450 and a constant rate of increase of 10.
By substituting t=1 in April, we can determine the number of months that have passed since the initial value. In April, t=1, so one month has passed since the initial value.
To find the forecast for July, we need to determine the value of Y when t=4 (July is four months after April). Plugging t=4 into the equation, we get Y=450+10(4) = 450+40 = 490.
Therefore, the forecasted monthly receipts for July 2011 would be 490.
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Tyler has completed 60 pages in his
French workbook. This is 20% of the total
number of pages in the workbook.
How
many pages are in the workbook?
Answer:
300 pages
Step-by-step explanation:
this is the answer
Simplify the expression below. Make sure to reduce all fractions.
8sec(x)/-7csc(x)
Answer:
16/7sin(2x)
Step-by-step explanation:
-8×1/cos(x)×⅐×1/sin(x)
-8/7cos(x)sin(x)
-8/⁷/²×sin(2x)
-8/7sin(2x)/2
16/7sin(2x)
Answer:
- \(\frac{8}{7}\) tanx
Step-by-step explanation:
Using the identities
secx = \(\frac{1}{cosx}\) , cscx = \(\frac{1}{sinx}\) , tanx = \(\frac{sinx}{cosx}\)
Given
\(\frac{8secx}{-7cscx}\)
= \(\frac{\frac{8}{cosx} }{\frac{-7}{sinx} }\) ← multiply numerator/ denominator by sinx
= \(\frac{8\frac{sinx}{cosx} }{-7}\)
= - \(\frac{8}{7}\) tanx
99/12 in long division please!
rite a partial decay series for At-217 undergoing the following sequential decays: α, β, α, β.
Part A
α-decay
Express your answer as a nuclear equation.
Rite a partial decay series for At-217 undergoing the following sequential decays,
α decay:
217 At → 4 α + 213 Bi
85 2 83
In order to change into a more stable state, a radioactive atom will naturally produce radiation in the form of energy or particles. It is necessary to distinguish between radioactive material and the radiation it produces. Beta, gamma, and alpha decay are the three kinds of radioactivity.
"Alpha decay," a common form of radioactive decay, happens when a nucleus emits an alpha particle (a helium-4 nucleus). During the usual radioactive decay process known as beta decay, a nucleus generates beta particles. The child nucleus will possess a greater atomic mass than the parent nucleus.
α decay:
217 At → 4 α + 213 Bi
85 2 83
β decay:
213 Bi → 0 e + 213 Po
83 -1 84
α decay:
213 Po → 4 α + 209 Tl
84 2 82
β decay:
209 Tl → 0 e + 209 Pb
82 -1 83
Therefore,
Rite a partial decay series for At-217 undergoing the following sequential decays,
α decay:
217 At → 4 α + 213 Bi
85 2 83
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Please hurry! I will give the right answer brainliest! Complete the inequalities.
1. (-1/9)(3/5) __ -2/15
2. (-3/8)/(-2 3/4) __ 3/22
1.
=
2.
=
Sorry if this is too much!
Answer:
1 is >
2 is >
I think this is right, you may need to confirm this
a room is shaped like a rectangular prism and is 11 feet by 13 feet by 10 feet high. a spider is sitting at point a at the front, bottom left corner of the room. the spider spins a web in a straight line to reach point b at the back, top right corner of the room. what is the approximate length of ab¯¯¯¯¯?
The approximate length of ab is 12.2 feet
The Pythagorean Theorem is what?A right triangle's hypotenuse (the side that faces the right angle) has a square length that, according to the Pythagorean theorem, is equal to the sum of the squares of the other two sides' lengths.
It can be written as c2 = a2 + b2 where c is the hypotenuse's length and a and b are the other two sides' lengths. Pythagoras, a Greek mathematician, is credited with discovering the theorem, which bears his name.
The Pythagorean theorem, which asserts that in a right triangle, the sum of the squares of the two shorter sides is equal to the square of the longest side, can be used to estimate the length of AB (the hypotenuse).
The distances along the room's 11-foot and 13-foot sides serve as the two shorter sides in this situation, while AB serves as the hypotenuse. AB is around the following length:
√(11^2 + 13^2 + 10^2) = √(146) = 12.2 feet
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Which set best represents the positive integers?
O A. {1,2,3,4,...)
O B. {0, 1, 2, 3, 4, ...}
O C. ..., -4,-3, -2, -1}
D. {..., -3, -2, -1, 0, 1, 2, 3, ...}-
Answer:
O A. {1,2,3,4,...)
Step-by-step explanation:
Its not B because it holds 0 which is ±
Select 222 strategies that we can use to subtract 563-192563−192563, minus, 192. Choose 2 answers: Choose 2 answers: (Choice A) A Add 100+90+2100+90+2100, plus, 90, plus, 2. (Choice B) B Evaluate (563-200)+8(563−200)+8left parenthesis, 563, minus, 200, right parenthesis, plus, 8. (Choice C) C Subtract 571-200571−200571, minus, 200.
Stevic delivers newspapers. He has already earned $36 delivering the Sunday paper and $12 delivering the Saturday paper. He earns $4 for each Sunday paper delivered and $2.50 for each Saturday paper delivered.
Part A
Enter numbers in the boxes to complete the rules for finding Stevic's earnings.
Sunday newspaper: Start at $
and add $
.
Saturday newspaper: Start at $
and add $
.
Part B
Stevic wants to compute his total earnings after delivering 15 papers on each day. Enter your answer in the box.
$
a. The linear functions for each day are given as follows:
Sunday: 36 + 4x.Saturday: 12 + 2.5x.b. Stevic's total earnings after delivering 15 papers on each day are given as follows: $145.5.
How to define the functions?As the cost per each newspaper is the same, the functions in this problem are linear functions.
The slope-intercept representation of a linear function is given as follows:
y = mx + b.
In which the coefficients are given as follows:
m is the slope, representing the cost per newspaper.b is the y-intercept, representing the amount that has already been earned.Then the functions are given as follows:
Sunday: 36 + 4x.Saturday: 12 + 2.5x.The total earnings are obtained with the numeric value when x = 15, hence:
Total earnings = 36 + 4(15) + 12 + 2.5(15) = $145.5.
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Somebody answer all these correct (only if u really know it)
(WILL MARK AS BRAINLIEST) promise!
Fractions :/
Answer:
hallo, I'm here to answer again!
10) >
11) <
12) <
13) >
14) <
15) >
is 10/2 a natural number?
Yes
Step-by-step explanation:
Natural Numbers - the set of numbers, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, that we see and use every day.
Hopefully this helps you! :)
Answer:
yes
Step-by-step explanation:
its in the set
If f(x) = x4 – 4x3 + 1, then what is the remainder when f(x) is divided by
X - 6?
Reminder = f ( 6 )
Thus :
\(f(6) = {6}^{4 } - 4( {6})^{3} + 1\)
\(f(6) = 1296 - 864 + 1\)
\(f(6) = 433\)
Thus ;
\(remider = 433\)
the formula n(n – 1)/ 2 is to used calculate the number of links required in which wan topology?
The formula n(n - 1)/2 is used to calculate the number of links required in a fully connected or complete WAN (Wide Area Network) topology.
In a fully connected WAN topology, each node or site is directly connected to every other node or site. This means that there is a direct link or connection between every pair of nodes. The formula n(n - 1)/2 calculates the number of links needed to connect n nodes in a fully connected network.
Each node needs to be connected to n - 1 other nodes since it doesn't need to be connected to itself. However, since each link is counted twice (once for each connected node), we divide the result by 2 to avoid double-counting.
For example, if we have 4 nodes in a fully connected WAN topology, the number of links required would be:
n(n - 1)/2 = 4(4 - 1)/2 = 4(3)/2 = 6
So, in this case, 6 links would be required to connect the 4 nodes in a fully connected WAN topology.
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What is the binomial probability formula used for?
The binomial probability formula is used to calculate the probability of a specific number of successes in a fixed number of independent trials, where each trial can only result in success or failure. It is used to model situations where there are only two possible outcomes for each trial, and where the trials are independent and identically distributed.
The formula for binomial probability is:
\(P(x) = (n choose x) * p^x * (1 - p)^{n-x}\\\)
where P(x) is the probability of x successes in n trials, p is the probability of success on each trial, (n choose x) is the binomial coefficient which gives the number of ways to choose x successes from n trials, and (1 - p) is the probability of failure on each trial.
The binomial probability formula can be used in a variety of applications, such as:
Predicting the probability of a certain number of defective products in a production runEstimating the likelihood of a certain number of people out of a sample having a particular characteristicAnalyzing the probability of winning a certain number of games in a sports seasonFor more questions on Binomial Probability
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when the finite population correction factor is applied to the sample mean, the resulting standard error for the sample mean is equal to
The finite population correction factor (FPC) is a factor used when the sample size is more than 5% of the population size. It corrects for the bias that can occur when taking a sample from a finite population.
Applying the FPC to the sample mean results in the standard error for the sample mean being equal to the population standard deviation divided by the square root of the sample size times the FPC.
In other words, the standard error for the sample mean is equal to:
Standard Error = Population Standard Deviation/√(Sample Size*FPC)
The FPC is calculated by taking the reciprocal of the following formula:
FPC = (N-n)/(N-1), where N is the population size and n is the sample size.
In conclusion, applying the FPC to the sample mean reduces the bias that can occur when taking a sample from a finite population, and the resulting standard error for the sample mean is equal to the population standard deviation divided by the square root of the sample size times the FPC.
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In a class of students, the following data table summarizes how many students play
an instrument or a sport. What is the probability that a student chosen randomly
from the class plays a sport?
Plays a sport
Does not play a sport
Plays an instrument Does not play an instrument
3
8
10
9
Answer:
3 OR 8 hope this helps!
Step-by-step explanation:
5. 2x+8+2. 1x-3 which is an equivalent expression by combining like terms A. 5. 2x+8+2. 1x-3 B. 5. 2x+5+2. 1x C 13. 2x-0. 9x D 7. 3x+5
The equivalent expression by combining like terms as calculated from the given data is 7.3x + 5 which is option D.
On solving the equation 5.2x+8+2 and 1x-3 the answer which we will get will be our required equivalent expression.
= 5.2x+8+2.1x-3
= 5.2x + 2.1x + 8 - 3
= 7.3x + 5
Therefore, the equivalent expression is 7.3x + 5.
Equivalent expressions are expressions that have the same value but do not have the same appearance. While determining if we can compare expressions , at minimum two expressions are required. There are various times in math where equivalent expressions are used and required.
Using the distributive property, an expression expressed with parenthesis can be readily written without them.
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a poll shows that of all voters approve of the mayor's work. on three separate occasions a pollster selects a voter at random. what is the probability that on exactly one of these three occasions the voter approves of the mayor's work?
The probability that on exactly one of these three occasions the voter approves of the mayor's work is given as follows:
0.189 = 18.9%.
What is the binomial distribution formula?The mass probability formula, giving the probability of x successes, is of:
\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)
\(C_{n,x} = \frac{n!}{x!(n-x)!}\)
The parameters are given by:
n is the number of trials of the experiment.p is the probability of a success on a single trial of the experiment.The values of these parameters in the context of this problem are given as follows:
n = 3, p = 0.7.
Then the probability of exactly one success is calculated as follows:
P(X = 1) = 3!/(1!2!) x 0.7 x (0.3)² = 0.189 = 18.9%.
Missing InformationThe proportion of voters that approve the mayor's work is of 70%.
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Write simile about your teacher. My teacher, ______ is as _______as__________
Answer:
My teacher Mrs.Ducharme is as mean as a bee
Step-by-step explanation:
Come find out you will know almost instantly
Answer:
My teacher, Mrs.Runay is as rude as Reshae
Step-by-step explanation:
Come to my school and see!
which statement about equations and expressions is true? an example of an equation is because it shows that two expressions are equal. an example of an expression is because it shows that two equations are equal. an example of an equation is because it is a mathematical phrase represented by numbers, a variable, and an operation. an example of an expression is because it is a mathematical phrase represented by numbers, a variable, and an operation.
The statement that is true about equations and expressions is that an example of an equation is because it shows that two expressions are equal.
While an example of an expression is because it is a mathematical phrase represented by numbers, a variable, and an operation.
An equation is a mathematical statement where two expressions are equal. It's important to note that an equation has an equals sign, so the left side of the equation is equal to the right side of the equation.
Expressions are combinations of numbers, symbols, and operators that represent a value. A symbol or letter that represents a value is a variable. It's important to note that an expression does not have an equals sign, so the value of the expression is not defined.Why is an example of an equation true?An equation can be written in the form x = y. The equals sign indicates that x and y are equal. This means that two expressions, x and y, are equal. Therefore, an equation shows that two expressions are equal.
An example of an equation is 3x + 4 = 10. This equation is an example of an equation because it shows that two expressions, 3x + 4 and 10, are equal. The left side of the equation (3x + 4) equals the right side of the equation (10). Therefore, this statement is true: "An example of an equation is because it shows that two expressions are equal."
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By selling a picture for $216,000 an antique dealer make a profit of $172,000. Find the cost price and the profit percentage
Answer:
\(\textsf {See below :-}\)
Step-by-step explanation:
\(\textsf {Finding cost price :}\)
\(\implies \textsf {Cost price = Sell Price - Profited Amount}\)
\(\implies \textsf {Cost price = 216,000 - 172,000}\)
\(\implies \textsf {Cost price = 44,000}\)
\(\textsf {Finding profit percentage :}\)
\(\implies \textsf {Profit percentage = }\) \(\mathsf {\frac{Profit}{Cost} \times 100 }\)
\(\implies \textsf {Profit percentage = }\) \(\mathsf {\frac{172,000}{44,000} \times 100}\)
\(\implies \textsf {Profit percentage = }\) \(\mathsf {3.90..... \times 100}\)
\(\implies \textsf {Profit percentage = }\) \(\textsf {390.9 percent}\)