The number of visits thay Liam can make to earn his first free movie ticket is 9 visit.
How to calculate the number of visit?Let x represent the number of visits
Since he receives 50 rewards points just for signing up and earns 12.5 points for each visit to the movie theater. This will be illustrated as:
50 + 12.5x >= 160
12.5x >= 160 - 50
12.5x >= 110
Divide
x >= 110/12.5
x >= 8.8
Therefore, he will need at least 9 visit.
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Liam has a points card for a movie theater.
He receives 50 rewards points just for signing up.
He earns 12.5 points for each visit to the movie theater.
He needs at least 160 points for a free movie ticket.
Write and solve an inequality which can be used to determine xx, the number of visits Liam can make to earn his first free movie ticket.
according to a study by the centers for disease control and prevention, about 33% of u.s. births are caesarean deliveries. suppose seven expectant mothers are randomly selected. what is the probability that at least one of the expectant mothers will have a caesarean delivery?
The probability that at least one of the expectant mothers will have a cesarean delivery is 0.9394.
What is probability?Probability is the likelihood that something will happen. Based on the information, about 33% of u.s. births are cesarean deliveries.
The number (n) is also given as 7.
p = 33% = 0.33
n! / (n – r)!
N is the number of things you are choosing from,
r is the number of items.
P(x:n,p) = ⁿCˣ x pˣ(1-p)ⁿ⁻ˣ
n is the number of trials (occurrences)
X is the number of successful trials
p is probability of success in a single trial
ⁿCₓ is the combination of n and x
Therefore, the probability will be:
= 1 - P(no mother will have a Caesarean section)
= 1 - P(X = 0)
= 1 - ⁷C₀ (0.33)^0(0.67)^7
= 1 - 0.0606
= 0.9394
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22. Which expression is equivalent to
0.71 × 2.8?
A
(B
(71 x 28) x (0.01 × 0.1)
(71 x 28) x (0.1 x 0.1)
(0.71 x 2.8) x (0.01 × 0.1)
D (71 x 28) x (100 × 10)
Answer: A
Step-by-step explanation:
A (71x28) x (0.01x0.1) = 0.71 x 2.8
B (71 x 28) x (0.1 x 0.1) = 7.1 x 2.8
C (0.71 x 2.8) x (0.01 × 0.1) = 0.0071 x 0.28
D (71 x 28) x (100 × 10) = 7100 x 280
a town's population has been growing linearly. in 2003, the population was 59000, and the population has been growing by 1700 people each year. write an equation for the population x years after 2003.
Answer:
The population after x years will be P = 29000 + 700x
Let the population after the years be represented by P
Population of the town in 2003 = 29000
Annual increase in growth = 700
Then, the population after x years will be:
P = 29000 + 700(x)
P = 29000 + 700x
Therefore, the population will be P = 29000 + 700x.
A plane flew 216 miles from Bristol airport to Leeds Bradford airport. It had an average speed of 162mph and arrived at 18:15. Work out what time the plane left Bristol airport. Give your answer using the 24 hour clock.
The plane left Bristol airport at 16:55.
This is a problem from time and distance. We can solve this problem by following a few steps.
We have to know the relation between time, speed, and distance. The relation is denoted as,
t = s/v; t is denoted as time interval, v is denoted as velocity or speed in this case and s is denoted as displacement or distance.
We have to find the time. Here velocity is 162 mph and the total distance between Bristol airport to Leeds Bradford airport is 216 miles.
t = 216 miles/ 162 mph = 1.33 hour = 80 minutes.
Therefore the plane left Bristol airport is, ( 18 hours 15 minutes - 80 minutes) = 16 hour 55 minutes = 16:55
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Supposed Justins graph had an empty circle at 12. Write the inequality represented by this graph.
the inequality is
x> 12
all real numbers greater than 12
interval (12, infinite)
I need this answered please
Carmen invested her saving in fund B as $11,000.
What is termed as the investment?Investing entails allocating capital (money) to tasks or projects that are anticipated to generate a profit over time.The type of return generated is determined by the project or asset; for example, real estate can generate both rents as well as capital gains; numerous stocks pay semiannual dividends; and bonds typically pay regular interest.For the given question;
Let 'x' be the amount invested by Carmen in fund B.
The, the amount invested in fund A is x - 5000.
The profit on fund A is 2% = 2%(x - 5000).
the profit on fund B is 5% = 5%(x).
Then, the total profit is $670.
The equation will be .
2%(x - 5000) + 5%(x) = 670
2(x - 5000)/100 + 5(x)/100 = 670
2x - 10,000 + 5x = 67,000.
Further simplifying.
7x = 67,000 + 10,000
7x = 77,0000
x = 11,000
Thus, amount invested in fund B is $11,000.
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Multiple gaming tournaments can be played online. In these games, players can compete with players from any part of the world. Step-by-step-explanation (Simple linear equation)
In a tournament,200 points are awarded for a win, and 20points are deducted for a loss.
Chetan participated in the tournament.
He won two more matches than the number of matches he lost.
He scored 1120 points.
How many matches did he play?
B. 8
A. 6
D. 14
C. 10
tell whether 15/35 and 3/7 are proportions
Graph the line that represents each linear equation does anyone know a 2d version I can see instead of words to explain it?
The graph of the first linear equation:
y = x + 3
Can be seen in the image at the end.
How to graph the linear equation?Let's graph the first line, which is:
y = x + 3.
To graph it, we need to find two points on the line, to find these, we can evaluate the linear equation in two values of x.
Using x = 0 we get:
y = 0 + 3
y = 3
So we have the point (0, 3).
Using x = 1, we get:
y = 1 + 3
y = 4
So we have the point (1, 4)
Now we can graph these two points on the same coordinate axis and connect them with a line. Like in the example below.
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The stopwatch shows the time Mike took to complete a puzzle.
Round this time to 1 d.p.
36.98sec
Answer:
37.0seconds
Step-by-step explanation:
when you round you take the second number (8) and find out if it is higher or lower than 5. When it is higher you round up.
But, since the next number is 9 you have to continue to round up the next number which is 6.
Hope this is helpful!
Which property of multiplication is shown?
1 · t = t
Evaluate |-15| + |-6|.
Answer:
21
Step-by-step explanation:
The absolute value of an expression is its distance from 0.
For example, take the number -5:
<-------|------------------|------------->
-5 0
It is 5 units to the left of zero, so its absolute value is 5, NOT -5 because distance is always positive, no matter the direction.
To evaluate the given expression, first find each absolute value:
[tex]|-15| = 15, \, \, \, \, \, \, |-6| = 6[/tex]
Then, simplify:
[tex]|-15| + |-6| \\ =15 + 6 \\= 21[/tex]
So, the evaluated expression is 21.
You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find P($5 then $10)
1- 1/9
2- 1/12
3- 1/72
4- 2/27
Answer:
1- 1/9
Step-by-step explanation:
[tex]p(5 then 10) = \frac{4}{9} \times \frac{2}{8} [/tex]
[tex]p(5 then 10) = \frac{1}{9} [/tex]
Assuming without replacement
Pre- Calculus
log(x^5)=3
Answer:
x ≈ 3.9810717
Step-by-step explanation:
sofia and manuel are purchasing a home. they wish to save money for 15 years and purchase a house that has a value of $180,000 with cash. if they deposit money into an account paying 5% interest, compounded monthly, how much do they need to deposit each month in order to make the purchase?
We will have the following:
We will have that the value at the end will be $180 000.
The number of periods will be 15*12 = 180.
The interest per month is 0.05/12 = 0.0042
Now:
[tex]A=\frac{P((1+i)^n-1)}{i}_{}[/tex]Here "A" is the value at the end, "P" will be the monthly payments, "i" the monthly interest rate and "n" the number of periods. So:
[tex]180000=\frac{P((1+0.0042)^{180}-1)}{0.0042}\Rightarrow P=\frac{180000\cdot0.0042}{((1+0.0042)^{180}-1)}[/tex][tex]\Rightarrow P=671.1819761\ldots\Rightarrow P\approx671.2[/tex]So, they will need to deposit approximately $671.2 each month.
State whether the Law of Detachment, the Law of Syllogism, or the Law of the
Contrapositive was used to draw the conclusion from the given statements. If it's an
invalid conclusion, write invalid.
If you are at least 25 years old, then you can rent a car.
Anna is 28 years old.
Therefore Anna can rent a car.
Law of Detachment
Law of Syllogism
Law of Contrapositive
Invalid Conclusion
This is an invalid statement. The law of syllogism is what was used to draw the conclusion in the statement here.
What is the law of syllogism?This is the law that is used in logic in the form of
If a , then b . If b , then c . Then we can derive a third true statement: (3) If a , then c.The law of Syllogism can be interpreted as if a person is at least at the age of 25 then they rae able to rent a car. Now given that Anna has fulfilled this condition because she is at the age of 28, then she would be able to rent a car.
Therefore the second option ios correct
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Please help i havent been turning in my math work for days and im so close to getting detention
Answer: 1.one cup
2. 2 cups of each
Step-by-step explanation:
Bette used 3 jumbo cans of frosting to frost 105
cupcakes for the cupcake challenge at her school
and 5 jumbo cans of frosting to frost an
additional 175 cupcakes. How many jumbo cans
of frosting would she need to frost 280
cupcakes?
Bette needs 8 jumbo cans of frosting to frost 280 cupcakes.
What is Ratio?The ratio is defined as a relationship between two quantities, it is expressed as one divided by the other.
Bette used 3 jumbo cans of frosting to frost 105 cupcakes for the cupcake challenge at her school and 5 jumbo cans of frosting to frost an additional 175 cupcakes which are given in the question.
Let x jumbo cans of frosting would she need to frost 280 cupcakes
As per the given question, we can write the ratio as
3 jumbo cans of frosting : 105 cupcakes = x jumbo cans of frosting : 280 cupcakes
⇒ 3/105 = x/280
⇒ x = ( 280 × 3 )/ 105
⇒ x = 8
Therefore, she needs 8 jumbo cans of frosting to frost 280 cupcakes.
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I need help with this please
3 to the power of -3 =1/3
Answer: -27
Step-by-step explanation: -3 raised to the power of 3 is written (-3) 3 = -27. Note that in this case the answer is the same for both -3 3 and (-3) 3 however they are still calculated differently. -3 3 = -1 * 3 * 3 * 3 = (-3) 3 = -3 * -3 * -3 = -27. For 0 raised to the 0 power the answer is 1 however this is considered a definition and not an actual calculation.
7(u + 2) = 42 solve for u simplify your answer as much as possible
Answer:
7(u+2)=42
7u+14=42
-14 -14
7u=28
u=4
What is this number in standard form?
(3×100)+(1×110)+(4×11,000)
pls help tysm
The number (3×100)+(1×110)+(4×11,000) in standard form will be 4.4410 × 10⁴
How to calculate the value?It should be noted that standard form simply means a way of presenting numbers as a mathematical expression.
The number given is illustrated as:
= (3×100)+(1×110)+(4×11,000)
= 300 + 110 + 44000
= 44410
This will be expressed in standard form as:
= 4410
= 4.4410 × 10⁴
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A family arrives at the Walt Disney world parking lot to get from their car in the parking lot to the gate at the magic kingdom they walk 1/4 mile take a train for 1/3 of their total distance and take a monorail for 1/2 of their total distance how far is it from their car to the gate of magic kingdom
This is equivalent to 3/2 as an improper fraction and 1 & 1/2 as a mixed number.
==========================================================
Explanation:
x = total distance in miles
The train and monorail take 1/3 and 1/2 of the total distance respectively
Add up those fractions to get
1/3 + 1/2 = 2/6 + 3/6 = 5/6
Remember that you can only add fractions when the denominators are the same.
5/6 of the total distance consists of the train and monorail.
That means the walking portion must be 1 - 5/6 = 6/6 - 5/6 = 1/6 of the total distance.
----------------------------
In short, we found that 1/6 of the total distance consists of walking.
(1/6)x = 1/4 mile
x/6 = 1/4
4x = 6*1
4x = 6
x = 6/4
x = 3/2
x = 1.5 miles is the total distance
---------------------------
Check:
1/6 of x = 1/6 of 3/2 = (1/6)*(3/2) = 3/12 = 1/4 mile walking
1/3 of x = (1/3)*(3/2) = 3/6 = 1/2 mile on the train
1/2 of x = (1/2)*(3/2) = 3/4 of a mile on the monorail
1/4 + 1/2 + 3/4 = 1/4 + 2/4 + 3/4 = 6/4 = 3/2 = 1.5 miles total
This confirms our answer.
find the perimeter of the regular hexagon
9 ft. 2 in.
please help asap thank u so much
Answer:660 in
Step-by-step explanation: Just add 6 sides, 9 ft= 108 in, + 2 in = 110, 110x6 = 660
At 11:59 a.m you change the time on your phone to 11:00 a.m. Is the assignment still missing or no?
Answer:
its still missing
Step-by-step explanation:
U changed it for yourself, not other peoples
Answer: it will say “assigned” but it wouldn’t come up like that for your teacher. I’ve tried it before and it doesn’t work
Step-by-step explanation:
Skate world offers birthday parties for a fee of $130 plus $3 per person. If you can spend no more than $190 on your party. What is the maximum number of people who can attend?
Answer: 20
Step-by-step explanation:
130+60= 190
60 ÷ 3 = 20
Is this a function if so explain if not explain
Answer:
Not a function
Step-by-step explanation:
It is not a function because it doesn't pass the vertical line test.
the chefs at a local pizza chain in cambria, california, strive to maintain the suggested size of their 16-inch pizzas. despite their best efforts, they are unable to make every pizza exactly 16 inches in diameter. the manager has determined that the size of the pizzas is normally distributed with a mean of 16 inches and a standard deviation of 0.8 inch. what are the expected value and the standard error of the sample mean derived from a random sample of 2 pizzas?
The expected value and the standard error of the sample mean derived from a random sample of 2 pizzas is 0.57
The statistic known as the sample mean is created by arithmetically averaging the values of a variable in a sample.
The sample mean is an estimator of the expected value if the sample is taken from probability distributions with a common expected value.
given
Size of the pizzas 16- inch
normal distribution mean is 16 inch
standard deviation= 0.8
μ=16
σ=0.8
n=2
The standard error of the sample mean derived from a random sample of 2 pizzas is:
σₓ= σ / [tex]\sqrt{n}[/tex]
σₓ = 0.8 /[tex]\sqrt{2}[/tex]
σₓ=0.57
The standard error of the sample mean derived from a random sample of 2 pizzas is 0.57
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For #26-30, use the diagram at the right. Name the lines
that are parallel for the two given angles. Then classify the
angles.
the slop of (4,10) and (6,9)
Answer: [tex]\frac{1}{-2}[/tex]
Step-by-step explanation:
Slope =
[tex]\frac{Y2-Y1}{X2-X1}[/tex]
[tex]\frac{10-9}{4-6}[/tex]
[tex]\frac{1}{-2}[/tex]