The probability that Julian lives in a house with a skylight or a fireplace is 35/57, which can be simplified to 5/8 in the lowest terms. So the answer is: 5/8.
What is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.
To calculate the probability that Julian lives in a house with a skylight or a fireplace, we need to add the number of houses that have a skylight and the number of houses that have a fireplace, and then subtract the number of houses that have both a skylight and a fireplace, because we don't want to count those houses twice:
Number of houses with a skylight = 12
Number of houses with a fireplace = 28
Number of houses with both a skylight and a fireplace = 5
Number of houses with a skylight or a fireplace = (12 + 28) - 5 = 35
Therefore, the probability that Julian lives in a house with a skylight or a fireplace is 35/57, which can be simplified to 5/8 in the lowest terms.
So the answer is: 5/8.
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Evaluate f (-3) for f(x) = x3 + 3x + 17
The output value of f( -3 ) in the function f(x) = x³ + 3x + 17 is -19.
What is the output value of f( -3 ) in the function?Given the function in the question:
f(x) = x³ + 3x + 17
To evaluate f(-3) for the function f(x) = x³ + 3x + 17, we simply substitute -3 for x in the expression and calculate the result.
f(x) = x³ + 3x + 17
Plug in x = -3
f(-3) = (-3)³ + 3(-3) + 17
First, let's calculate (-3)³, which means raising -3 to the power of 3:
(-3)³ = -3 × -3 × -3 = -27
Next, let's calculate 3(-3):
3(-3) = -9
Now, we can substitute these values into the expression:
f(-3) = -27 + (-9) + 17
Simplifying further:
f(-3) = -27 - 9 + 17
f(-3) = -36 + 17
f(-3) = -19
Therefore, the output value of f(-3) is -19.
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Help please fast- ACtually know the answer please
The solutions to the questions are:
Decay functionInitial value is 131,000Base is 0.946Function equation is f(x) = 131000(0.946)ˣValue in 2019 is $75193.90The function typeFrom the question, we have the following parameters that can be used in our computation:
The housing loses at a rate of 5.4% per year
The "loses at a rate" means that the function decreases with time
So, the function is a decay function
The initial valueFrom the question, we have the following parameters that can be used in our computation:
The house was worth of 131,000 in 2009
This represents the initial value
So, the initial value is 131,000
What is the exponential base for this problemThis is the decay factor of the function
Recall that
The housing loses at a rate of 5.4% per year
So, we have
Base = 1 - 5.4%
Evaluate
Base = 0.946
The function equationWe have
Initial = 131000
Base = 0.946
So, the function is
f(x) = 131000(0.946)ˣ
The value in 2019This means that x = 2019 - 2009
x = 10
So, we have
f(10) = 131000(0.946)^10
Evaluate
f(10) = 75193.90
Hence, the value is $75193.90
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Gianni used 6 gb out of 8 gb includes in his cell phone plan. What percent of his data did he use
Answer:
75%
Step-by-step explanation:
If he used 6 out of 8 gb of his cell phone plan we can write that as a fraction as 6/8.
We can simplify 6/8 to 3/4. And 3/4 when divided is equal to 0.75 which when written as a fraction is 75%.
I hope this helps!
What are the points of the image of the line in Q4 after the dilation?
Note that the coordinates of the point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4). (Option B)
How is this so ?To rotate a point 90 degrees clockwise about a given point,we can follow these steps -
Translate the coordinates of the given point so that the center of rotation is at the origin. In this case,we subtract the coordinates of the center (0,1) from the coordinates of point A (5,4) to get (-5, 3).
Perform the rotation by swapping the x and y coordinates and changing the sign of the new x coordinate. In this case,we swap the x and y coordinates of (-5, 3) to get (3, -5).
Translate the coordinates back to their original position by adding the coordinates of the center (0,1) to the result from step 2. In this case, we add (0,1) to (3, -5) to get (3, -4).
Therefore, the coordinates of the point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4).
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an outdoor theater currently has 1,375 ft next year 125 news seats will be added there will be 25 ft in each row after the new seeing has been added how many rows would a theater have after the new seats have been added?
The total number of rows in the Theater after 125 seats are added is 60 rows.
What is Unitary Method?The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.
For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.
12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.
As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.
This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.
Given:
The Outdoor theater currently has 1,375 seats.
If we add 125 new seats then the number of seats are
= 1375 + 125
= 1500
Each row have 25 seats in one row.
Then, the total number of rows in Theater
= 1500/25
= 60 rows.
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84.4% of what number is 19.412?
Answer: 22.4402
Step-by-step explanation:
Answer:
84.4% of 23 is 19.412.
Step-by-step explanation:
Let the unknown number be x.
Now, 84.4% of x = 19.412.
∴ (84.4 ÷ 100) × x = 19.412.
By simplifying the equation,
x = (19.412 × 100) ÷ 84.4
x = 1941.2 ÷ 84.4
∴ x = 23
Thus, 84.4% of 23 is 19.412.
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I think of a number, treble it and take 6 from my answer.
If the result is 18, find the number.
Answer:
number is 8
Step-by-step explanation:
let the number be n then trebling it ( multiplying it by 3 ) is 3n, then subtracting 6 from this is 3n - 6 , so
3n - 6 = 18 ( add 6 to both sides )
3n = 24 ( divide both sides by 3 )
n = 8
that is the number thought of is 8
What is the formula for calculating the surface area of a sphere?
Answer:
Please give brainliest
Step-by-step explanation:
c
Solve 2/3 (3x+14)=7x+6 by first multiplying both sides of the equation by 3 before applying the distributive property
\(\dfrac23 (3x +14) =7x+6\\\\\\\implies 3\left[\dfrac 23 (3x+14) \right] = 3(7x+6)\\\\\\\implies 2(3x+14) = 21x +18\\\\\implies 6x + 28 =21x +18\\\\\implies 21x -6x = 28-18\\\\\implies 15x = 10\\\\\implies x = \dfrac{10}{15} = \dfrac 23\)
Erica wants to save $189 for a trip to an amusement park. She sets aside $14 of her allowance at the end of each week. How many weeks will it take her to save enough money for the whole trip?
Answer:
48 weeks
Step-by-step explanation:
189 / 14 = 47.25
If she doesnt get the allowance until the end of the week then she can't have .25 of a week.
Please help me I'm really struggling.
Answer:
eight chairs.
Step-by-step explanation:
five quarts= 40/8 quarts
one chair= 5/8 quarts
40/8-5/8x=0
(-40/8)/(-5/8)=x
eight chairs
Please help me I really need it
Answer:
Angle C
Step-by-step explanation:
By applying sine rule in the given triangle,
\(\frac{\text{sinB}}{CD}=\frac{\text{sinC}}{BD}=\frac{\text{sinD}}{BC}\)
\(\frac{\text{sinB}}{\text{sinC}}=\frac{\text{CD}}{\text{BD}}\)
Therefore, sides of the given triangle will be in the same ratio as the sine of the angles.
Since, BD > BC > CD
Therefore, Opposite angles of these sides will be in the same ratio.
∠C > ∠D > ∠B
Largest angle of the triangle is angle C.
A population of values has a normal distribution with �=189.7 and �=96.7. You intend to draw a random sample of size �=62.
Find the probability that a single randomly selected value is between 189.7 and 213.
P(189.7 < X < 213) =
Find the probability that a sample of size �=62 is randomly selected with a mean between 189.7 and 213.
P(189.7 < M < 213) =
Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
The probability that a sample of size n = 62 is randomly selected with a mean between 189.7 and 213 is approximately 0.9702.
To find the probability that a single randomly selected value is between 189.7 and 213, we can use the standard normal distribution.
Step 1: Calculate the z-scores for the given values using the formula:
z = (x - μ) / σ
For 189.7:
z1 = (189.7 - 189.7) / 96.7 = 0
For 213:
z2 = (213 - 189.7) / 96.7 ≈ 0.2417
Step 2: Utilize a standard typical conveyance table or number cruncher to find the probabilities comparing to the z-scores.
P(189.7 < X < 213) = P(0 < Z < 0.2417) ≈ 0.0939
Therefore, the probability that a single randomly selected value is between 189.7 and 213 is approximately 0.0939.
To find the probability that a sample of size n = 62 is randomly selected with a mean between 189.7 and 213, we use the central limit theorem. Under specific circumstances, the testing dispersion of the example mean methodologies a typical conveyance
Step 1: Calculate the standard error of the mean (σ_m) using the formula:
σ_m = σ / sqrt(n)
σ_m = 96.7 / sqrt(62) ≈ 12.2878
Step 2: Convert the given qualities to z-scores utilizing the equation:
z = (x - μ) / σ_m
For 189.7:
z1 = (189.7 - 189.7) / 12.2878 = 0
For 213:
z2 = (213 - 189.7) / 12.2878 ≈ 1.8967
Step 3: Utilize a standard typical conveyance table or mini-computer to find the probabilities relating to the z-scores.
P(189.7 < M < 213) = P(0 < Z < 1.8967) ≈ 0.9702
Therefore, the probability that a sample of size n = 62 is randomly selected with a mean between 189.7 and 213 is approximately 0.9702.
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A waiter receives tips from each customer. On average, the tip is 15% of the customer’s bill. At this rate, which of the following is closest to the tip the waiter can expect when a customer has a bill that is $78.20?
A) $8.00
B) $10.00
C) $12.00
D) $14.00
(Pls add in the step-by-step explanation)
Answer:
C) $12.00
Step-by-step explanation:
Take the price of the bill
78.20
Find 10 %
78.20 * .1
7.82
Take half ( which is 5%)
3.91
Add the two amounts together
7.82+3.91
11.73
Rounding to the nearest dollar
12.00
OR
Round the bill to 80.00
Take 15%
80 * .15
12.00
The total number of atoms represented by Cd(CH₂CICO₂)2 is:
O a) 13
Ob) 16
O c) 17
Od) 15
Oe) 14
The total number of atoms represented by Cd(CH₂CICO₂)₂ is 15.
What is addition?In addition, items are combined and counted as a single large group. The process of adding two or more numbers together is known as addition in mathematics. The terms "addends" and "sum" refer to the numbers that are added and the result of the operation, respectively.
To find the total number of atoms represented by Cd(CH₂CICO₂)₂, we need to count the number of atoms of each element in the molecule and add them up.
Cd(CH₂CICO₂)₂ contains:
1 cadmium (Cd) atom
2 carbon (C) atoms
6 hydrogen (H) atoms
4 oxygen (O) atoms
2 chlorine (Cl) atoms
Adding these up, we get:
1 + 2 + 6 + 4 + 2 = 15
Therefore, the total number of atoms represented by Cd(CH₂CICO₂)₂ is 15.
The answer is (D) 15.
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the first three teams in a geometric sequence are a – 2, a, a + 4, What is the common ratio of
be sequence?
Answer:
2
Step-by-step explanation:
solution at attachment box
a2/a1 =r
a3/a2=r
Answer:
Please check the explanation.
Step-by-step explanation:
Given the geometric sequence
a – 2, a, a + 4
We know that the common ratio 'r' of a geometric sequence can be obtained by dividing the successor term by the previous term.Also, we know that the common ratio 'r' of a geometric sequence is the same i.e. remain constant.so the expression to find the common ratio 'r' of the geometric sequence will be:
\(\:r\) ⇒ \(\frac{a}{a-2}=\frac{a+4}{a}\)
\(\frac{a}{a-2}=\frac{a+4}{a}\)
\(\mathrm{Apply\:fraction\:cross\:multiply:\:if\:}\frac{a}{b}=\frac{c}{d}\mathrm{\:then\:}a\cdot \:d=b\cdot \:c\)
\(aa=\left(a-2\right)\left(a+4\right)\)
\(a^2=\left(a-2\right)\left(a+4\right)\)
\(a^2=a^2+2a-8\)
\(\mathrm{Subtract\:}a^2+2a\mathrm{\:from\:both\:sides}\)
\(a^2-\left(a^2+2a\right)=a^2+2a-8-\left(a^2+2a\right)\)
\(-2a=-8\)
\(\mathrm{Divide\:both\:sides\:by\:}-2\)
\(\frac{-2a}{-2}=\frac{-8}{-2}\)
\(a=4\)
so the ratio becomes
\(r=\:\frac{4}{4-2}=\frac{4}{2} =2\)
Hence, the common ratio 'r' will be:
\(r=2\)
VERIFICATION
so the sequence becomes
a – 2, a, a + 4
(4) - 2, 4, (4)+4 ∵ a=4
2, 4, 8
From the sequence it is clear that
4/2=8/4 ⇒ r
2=2 ⇒ r
Hence, the common ration 'r=2' is the same.
Therefore, the common ratio 'r' will be:
\(r=2\)
Help please !!!
A. 90
B. 45
C. 0
D. 1
Answer: C.0
x + 45 is the angle outside the circle of shield 2 arcs with measurements 55 and 145
=> x + 45 = 1/2.(145 - 55)
⇔ x + 45 = 1/2. 90
⇔ x + 45 = 45
⇔ x = 0
Step-by-step explanation:
Given: ,
bisects ∠AEC.
A horizontal line has points A, E, D. 2 lines extend from point E. One line extends to point B and another extends to point C. A small box represents the angle for C E D.
What statements are true regarding the given statement and diagram?
∠CED is a right angle.
∠CEA is a right angle.
m∠CEA = One-half(m∠CEB)
m∠CEB = m∠BEA
m∠DEB = 135°
m∠AEB = 35°
Answer:
angle ced is a right ange
so the m angels debate =135 m angle aeb =35
so the answer is 135+35 =170
180 is a all side sim
=180-170=10 answer
Answer:
∠CED is a right angle.
∠CEA is a right angle.
m∠CEB = m∠BEA
m∠DEB = 135°
Two Step Equation's and Inequalities -8=2-4y
How to calculate your bi-weekly paycheck based on 20 hour weeks at a rate of $9.00 per hour. Also, You will need to deduct Federal Income Tax (11.9%) , State Income Tax (3.6%), F.I.C.A (7.65%), and professional dues. Lastly you will need to look determine whether or not you will be able to pay your monthly car insurance bill of $200.00?
To calculate your bi-weekly paycheck, follow these steps:
Step 1: Calculate the gross earnings:
Multiply the number of hours worked per week by the hourly rate.
20 hours/week * $9.00/hour = $180.00/week
Step 2: Calculate the total earnings for two weeks:
Multiply the weekly earnings by the number of weeks in a bi-weekly pay period.
$180.00/week * 2 weeks = $360.00
Step 3: Calculate the deductions:
Calculate each deduction separately and subtract them from the gross earnings.
Federal Income Tax: $360.00 * 11.9% = $42.84
State Income Tax: $360.00 * 3.6% = $12.96
F.I.C.A: $360.00 * 7.65% = $27.54
Professional Dues: Amount varies depending on the specific dues.
Total Deductions: $42.84 + $12.96 + $27.54 + Professional Dues
Step 4: Calculate the net earnings:
Subtract the total deductions from the gross earnings.
Net Earnings = Gross Earnings - Total Deductions
Once you have the net earnings, you can determine if it is sufficient to cover your monthly car insurance bill of $200. If your bi-weekly net earnings are greater than or equal to $200, you will be able to pay your car insurance bill.
It is important to note that these calculations are based on the information provided, and actual tax rates and deductions may vary depending on your specific circumstances and location.
Additionally, professional dues may differ depending on your profession. It is recommended to consult with a tax professional or payroll department for precise calculations.
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Select the correct answer. Georgina’s bank account has a current balance of -$25.50. If she deposits $120 into the account each month, how much money will she have in the account after 4 months? A. -$480 B. $454.50 C. $480 D. $505.50
Answer:
The answer is $454.50
Step-by-step explanation:
what value of c completes the square in the expression x^2 + 10x + c
Answer:
c = 25
Step-by-step explanation:
c = (10/2)² = 25
Someone help with this I’m gonna fail !
What are the new coordinates of a point A (3, -2) after a 90° rotation counterclockwise?
Answer:
A
Step-by-step explanation:
I am assuming you mean about the origin in that case it would be 3,2
because it is quad. 1 where both x and y are pos
if my answer helps please mark as brainliest.
Find the least common multiple (LCM) of 7, 10, and 20.
200
140
20
70
Answer:
140
Step-by-step explanation:
140 is the first multiple that all 3 numbers share.
Hi! Please tell me how to pronounce the given words
Answer is physiotherapist.
In order to pronounce it easily,
The pronunciation of:
• physician
fi-si-shi-an
• physiotherapist
fi-sio-ther-a-pist.
• physicist
fi-sis-t
• physiologist
fi-sio-logi-st
✍️ by Benjemin ☺️
- Adult male Florida panthers have an
average weight of 52.6 kg. What is the
average weight of a male Florida panther
rounded to the nearest whole number?
The average weight of a male Florida panther rounded to the nearest whole number is 53 kg
What is average?
The middle number, which is determined by dividing the sum of all the numbers by the total number of numbers, is the average value in mathematics. When determining the average for a set of data, we add up all the values and divide this sum by the total number of values.
Average weight = 52.6 kg
52.6
The number after decimal point is 6 which is more than 5.
So add 1 to the 52, we get 53
Thus, the average weight of a male Florida panther rounded to the nearest whole number is 53 kg
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If you buy 100 shares of a stock that cost $30 per share and the value of the stock increase 10% each year for 3 years, what is the value of your stock after 3 years
Answer:
$3900
Step-by-step explanation:
100*30=$3000
10%=0.1 ---> 3*0.1=0.3
3000*1.3=$3900
if 348 prospective college students are tested for their iq (assume normal distribution) approximately how many students' iq scores will be within either two standard deviations away from the mean (i.e 2 and -2)
Answer:
330 approximately.
Step-by-step explanation:
The percentage lying between 2 standard deviations is 95%.
So we have 348 * 0.95 = 330 approximately.
A bagel store orders cream cheese from three suppliers, Cheesy Cream Corp. (CCC), Super Smooth & Sons (SSS), and
Bagel's Best Friend Co. (BBF). One month, the total order of cheese came to 100 tons. (The store does do a booming
trade.) The costs were $80, $50 and $65 per ton from the three suppliers respectively, with the total cost amounting to
$5,900. Given that the store ordered the same amount from CCC and BBF, how many tons of cream cheese were ordered
from each supplier?
Cheesy Cream Corp.
Super Smooth & Sons
Bagel's Best Friend Co.
tons
tons
tons
The number of tons of cream chees ordered by each supplier are 20 tones
How to determine the number?The given parameters are
x = tons of CCC **AND** BBF (can use same variable for both since these amounts [CCC & BBF] are the same)
y = t
2x+y = 100 <== tonnage
80x + 65x + 50y = 5900 <== cost
2x + y = 100 <== multiply all by -50
145x + 50y = 5900
-100x - 50y = -5000
145x + 50y = 5900
------------------------
45x + 0 = 900
Making x the subject of the relation we have
x = 810/45 = 20 tones
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