The average frequency of people hearing the spot on the radio station is equal to 5.
Average frequency can be defined as the average number of times an individual is exposed to an Advertising schedule.
Average frequency can be calculated by using the formula;
average frequency = total / n
As 4000 people heard the spot 6 times and 2000 people heard it three times; therefore
n = 4000 + 2000 = 6000
total = number × frequency = (6 × 4000) + (3 × 2000) = 24000 + 6000 = 30,000
Substituting these values in the equation;
average frequency = 30,000 / 6000
average frequency = 5
Hence the average frequency of people hearing the spot on the radio station wkoi is calculated to be 5.
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(X-3)^2=5 to 3 significant figures
The solution to the equation is x = 5.24
What are expressions?Expressions are mathematical statements that are represented by variables, coefficients and operators
How to evaluate the expression?The equation is given as
(x - 3)^2 = 5
Take the square root of both sides
So, we have
x - 3 = 2.24
Add 3 to all sides of the equation
So, we have
x = 5.24
Hence, the solution is x = 5.24
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You have 8 nickels, 5 dimes, 6 quarters and 4 pennies. How much money do you
have?
$2.49
$2.44
$2.54
$2.59
1/2x+1/2+1/2x+1/2?
PLEASE HELP!
Answer:
X+1
Step-by-step explanation:
x+1
classify as =1 , <1 , >1 . for n>1.
|1.1n|
a. <1
b. >1
c. =1
The value of the absolute value expression given; | 1.1n | for n > 1 as required in the task content can be classified as; Choice B; >1.
What is the best classification of the expression | 1.1n | for n > 1?It follows from the task content that the best classification of the expression | 1.1n | for n > 1 be determined.
Since the domain of variable n is such that n > 1, it follows that 1.1 × n > 1.1.
There, it follows that; 1.1n > 1.1 > 1.
By definition; The absolute value |n| of any real number n is the non-negative value of x irrespective of its sign. For instance, the absolute value of 15 is 15, and also the absolute value of −15 is also 5.
Hence, the absolute value sign; | 1.1n | indicates positive values.
Ultimately, the correct classification of.the expression is; Choice B; > 1.
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[23+4x(2+5)<15-5x(8-7)]2^5
Answer:
[tex]23+4x(2+5)<15-5x(8-7)]2^5[/tex]
It takes 0.5 gallon of cream to make 1 pound of butter.
How much butter could you make with 0.25 gallons of cream?
How much cream would you need to make 2.5 pounds of butter?
A department store is selling 3 pairs of socks for $5. Mrs. Wagner want to buy a dozen pairs. How much will this cost?
In Salt Lake City, it is 8˚ colder than it is in Houston. What's the temperature in Salt Lake City? the Houston degree is 8
The temperature in salt lake city will be 0° Celsius.
What is temperature?
Temperature tells us about the degree of hotness or coldness of a body. According to the thermodynamics, temperature is a measure of the average kinetic energy of the atoms or molecules in the system.
Given is Salt Lake City where it is 8˚ colder than it is in Houston.
The degree of coldness on Celsius scale increase as the temperature tends to negative values and degree of hotness on Celsius scale increase as the temperature tends to positive values. The temperature in Houston is 8° Celsius. Since, the temperature is 8 degrees colder, we will subtract 8° from the temperature value in Houston. Therefore, temperature in salt lake city will be -
T[S] = + 8 - 8 = 0° Celsius
Therefore, the temperature in salt lake city will be 0° Celsius.
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What is 955 divided by 36 rounded to the nearest tenth?
how much time has elapsed 2:20 pm to 5:57 pm
Answer:
2:20 pm to 5:57 pm is 3 hours and 37 minutes.
Answer:
3 hours and 37 minutes.
Step-by-step explanation:
5:57
-2:20
= 3:37
Expand & simplify
(
x
+
3
)
2
(
2
x
−
5
)
Answer:
4x²+2x-30
Step-by-step explanation:
(x+3) 2(2x-5)
(x+3) (4x-10)
4x²-10x+12x-30
4x²+2x-30
Suppose the sequence 28, 14, ... is geometric.
a)Determine the common ratio.
b) List the next 3 terms in the sequence. Explain your reasoning.
please help me!!
Answer:
see explanation
Step-by-step explanation:
(a)
common ratio r = [tex]\frac{a_{2} }{a_{1} }[/tex] = [tex]\frac{14}{28}[/tex] = [tex]\frac{1}{2}[/tex] = 0.5
(b)
to find the next term, multiply the previous term by r = 0.5
14 × 0.5 = 7
7 × 0.5 = 3.5
3.5 × 0.5 = 1.75
the next 3 terms in the sequence are 7 , 3.5 , 1.75
⇒In a geometric sequence to find the common ratio(r) we use the formula
[tex]r=\frac{T_{2} }{T_{1} }[/tex]
But in general we use the formula is [tex]r=\frac{T_{n+1} }{T_{n} }[/tex]
In this case we are going to use
[tex]r=\frac{14}{28} \\r=\frac{1}{2}[/tex]
⇒The common ratio of the sequence is [tex]\frac{1}{2}[/tex], to get the 3 consecutive terms you are going to multiply the current term by the common ratio which in this case is [tex]\frac{1}{2}[/tex]
[tex]T_{3} =T_{2} * r\\\\T_{3}=14(\frac{1}{2} )\\T_{3} =7[/tex]
[tex]T_{4} =T_{3} *r\\T_{4}=7(\frac{1}{2} )\\T_{4}=\frac{7}{2}[/tex]
[tex]T_{5}=T_{4} *r\\T_{5}=\frac{7}{2} *\frac{1}{2} \\T_{5}=\frac{7}{4}[/tex]
If you have any questions ask me as soon as possible.
GOODLUCK!!
y/31.25 = 5 solve for y please
Answer:
Step-by-step explanation:
y=652/4
convert decimal to a fraction
46/125=5
multiplying by both sides of the equation by 125/4
y=652/4 = 156 1/4
a school Liberian ordered new books for the library of the new books covered 1/3 are science 2/5 are biography,and the rest of the books are friction. what fraction of the books ordered are fiction?
Given that of the new books the new books the new liberian ordered;
-1/3 are science
-2/5 are biography
Let s, b and f represent the fraction of science, biography and fiction of the new book.
[tex]s+b+f=1[/tex]substituting the values of s and b given;
[tex]undefined[/tex]Find the circumference of each circle round answer to the nearest tenth
Answer: ask your teacher
Step-by-step explanation:u have to multiply
Louises saving change by -9 dollars each time she goes bowling in all a change by -$99 during the summer how many times did she go bowling in the summer
Answer:
11 times
Step-by-step explanation:
-99/-9=11
A father and a son go hunting. The father kills an average of 2 animals every 5 shots and the son kills one animal every 2 shots. If the two fired at the same animal at the same time, what is the probability that they will obtain kill?
The probability that the father and son will obtain a kill if they both fired at an animal the same time is 0.9
What is the probability of an event?The probability of an event is the likelihood of the occurrence of event.
The average number of animals the father kills every 5 shots he takes = 2
The average number of animals the son kills every 2 shots he takes = 1
[tex]Probability = \dfrac{Number \ of \ required \ items}{Number \ of \ possible \ outcomes}[/tex]
Which gives:
The probability that the father kills an animal = [tex]P(F) = \dfrac{2}{5} = 0.4[/tex]
The probability that the son kills an animal is; [tex]P(s) = \dfrac{1}{2} =0.5[/tex]
The probability that if the father and the son fires at the same animal, the probability that they will obtain a kill, which is the probability that the animal is killed , P(A) = The probability that the father kills the animal + The probability that the son kills the animal
P(A) = P(F) + P(s) = P(F) ∪ P(s)Which gives: P(A) = 0.4 + 0.5 = 0.9
The probability that the animal will be killed is approximately 0.9
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(8d+4)⁰
(6d+8)°
3. Find d. Show a picture of your work.
d =
pic goes here (or ok to type your steps)
Answer:
d=12
Step-by-step explanation:
8d+4+6d+8 = 180 (Straight angle = 180)
14d+12=180
14d=168
d=12
:]
Answer:
D =12
Step-by-step explanation:
8d+4+6d+8 =180 (being a linear pair)
14d+12=180
14d=180-12
14d=168
d= 168/14
d=12#
Tommy deposited $2,000 into a savings account that earns 5% interest per year. What
equation would be used to determine how much money Tommy has after x number of years?
Answer:
7A, 8D
Step-by-step explanation:
The compound interest formula is as followed
[tex]A = P(1+\frac{r}{n} )^{nt}\\[/tex]
A = accumulated amount
P = principle
r = interest rate
n = compounding
t = time
The accumulated amount is represented by f(x).
The principle is the amount of money you start with. In this case Tommy starts with 2000 dollars. P = 2000
The interest rate is 5%. This needs to be converted into a decimal.
5% = 0.05 = r
The money is compounded annually, thus n = 1.
The time is represented by x. x = t.
thus
[tex]f(x) = 2000(1+0.05)^{x}[/tex]
After six years, you simply find f(6), or substitute 6 into x.
f(6) = 2000(1.05)^6 = $2,680.19
Question 8
g Principal (p) = 1500, Rate (r) = 7%, Time (t)
= 8 years. Calculate the Interest.
n
et A.
C.
$840
$2,340
B.
D.
$1200
$660
[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$1500\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ t=years\dotfill &8 \end{cases} \\\\\\ I = (1500)(0.07)(8) \implies I = 840[/tex]
You toss a coin and roll a number cube. Find P(heads and an even number)
1- 1
2- 1/12
3- 1/6
4- 1/4
The probability of a head and an even number is 1/4.
What is probability?Probability is the occurrence of a certain event out of the total events than can occur in a given context.
Given event is a coin is tossed and then a die is rolled.
∴ The sample space (S) is = (H,1), (T,1), (H,2), (T,2), (H,3),(T,3), (H,4), (T,4), (H,5), (T,5), (H,6), (T,6).
So, the number of sample spaces N(S) = 12.
The number of heads and an even number N(H,E) = 3.
∴ The probability of a head and an even number is = N(H,E)/N(S).
= 3/12.
= 1/4.
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You run $2\frac{1}{2}$ miles as a part of an exercise routine. you run $\frac{1}{3}$ of that distance on a hill. you run down a slope for the last $\frac{1}{2}$ of the hill. on how many miles of your run do you run down the slope?
Given,
Total distance [tex]=2\frac{1}{2}[/tex] miles
You run 1/3 of that distance on a hill.
Distance on a hill[tex]=\frac{1}{3} * 2\frac{1}{2}[/tex] miles
You run down a slope for the last 1/2 of the hill=[tex]\frac{1}{3} * 2\frac{1}{2}*\frac{1}{2}[/tex] miles[tex]=\frac{5}{12}[/tex] miles
Distance you run down the slope [tex]=\frac{5}{12}[/tex] miles
Pleasehelp Name the reciprocal
Answer:
x = 12
Step-by-step explanation:
3/4x = 9
x = 9/1(4/3)
x = 12
A company prices its tornado insurance using the following assumptions:
• In any calendar year, there can be at most one tornado.
• In any calendar year, the probability of a tornado is 0.04.
• The number of tornadoes in any calendar year is independent of the number of tornados in any other calendar year.
Using the company's assumptions, calculate the probability that there are fewer than 2 tornadoes in a 14-year period.Round your answer to 4 decimals.
The correct answer is 0.4834
There can only be one tornado every year on the calendar. This indicates that there are only two conceivable outcomes of the event: either there will be one tornado or none at all.
The likelihood of a tornado in any given year is 0.14. This indicates that an event's chance of occurring is fixed. p = 0.14
The frequency of tornadoes in one year is unrelated to the quantity in other years. This indicates that the incidents are unrelated to one another.
The likelihood that there won't be more than two tornadoes in a 12-year period has to be calculated. This indicates that the number of trials, n, is set at 12.
p = 0.14
q = 1 - p = 1 - 0.14 = 0.86
n = 12
x = 2
We need to find: P( x < 2)
Fewer than 2 tornadoes means either 1 or 0 tornado. So,
P(x < 2) = P(x=0) + P(x=1)
the likelihood of less than two tornadoes occurring in a 12-year period is 0.4834
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Jenny wants to buy a new dress for her first school dance. She borrows $25.63 from her sister to help pay for the dress. Then Jenny earns $16.33 helping her dad organize his home office. If she gives all the earnings to her sister, Jenny will still owe her sister $ .
Answer:
Jenny owes her sister 9.3 dollars.
Step-by-step explanation:
23.63 - 16.33 = 9.3
Solve it please
Iwhdhehehdhdh
Hello!
To evaluate h(3)
==> must plug '3' into x's position in the equation:
[tex]h(3)=3^2-4(3)+5\\h(3)=9-12+5=2[/tex]
Hope that helps!
Answer:
2
Step-by-step explanation:
substitute 3 for the x
3²-4(3)+5
9-12+5
2
What is an equation in point-slope form for the line perpendicular to y =-5x - 14 that contains (10, -4)?
keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
[tex]y = \stackrel{\stackrel{m}{\downarrow }}{-5}x-14\qquad \impliedby \qquad \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {-5\implies \stackrel{slope}{\cfrac{-5}{1}} ~\hfill \stackrel{reciprocal}{\cfrac{1}{-5}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{1}{-5}\implies \cfrac{1}{5}}}[/tex]
so we're really looking for the equation of a line whose slope is 1/5 and it passes through (10, -4)
[tex](\stackrel{x_1}{10}~,~\stackrel{y_1}{-4})\hspace{10em} \stackrel{slope}{m} ~=~ \cfrac{1}{5} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-4)}=\stackrel{m}{ \cfrac{1}{5}}(x-\stackrel{x_1}{10}) \implies {\large \begin{array}{llll} y +4= \cfrac{1}{5} (x -10) \end{array}}[/tex]
The answer to x/-2+1>4
Answer: x < -6
Step-by-step explanation:
1) Bring 1 to the other side
x/-2 > 3
2) Bring -2 to the other side. The sign flips when the number multiplied or divided is negative
x < -6
The first three terms of an arithmetic sequence are as follows.-26, -19, -12Find the next two terms of this sequence.-26, – 19, -12,
1) Given that we were told that the first three terms of this Sequence. Let's find the common difference:
[tex]\begin{gathered} -26+7=-19 \\ -19+7=-12 \\ d=7 \end{gathered}[/tex]2) Based on that, we can do the following to find the next two terms:
[tex]\begin{gathered} -26+7=-19 \\ -19+7=-12 \\ -12+7=-5 \\ -5+7=2 \\ \\ -19,-12,-5,2 \\ Or \\ \\ a_4=a_1+d(n-1) \\ a_4=-26+7(4-1) \\ a_4=-26+21 \\ a_4=-5 \\ \\ a_5=-26+7(5-1) \\ a_5=-26+7(4) \\ a_5=-26+28 \\ a_5=2 \end{gathered}[/tex]Thus, the next terms are -5 and 2
How would i solve for X?
Please help!
Answer: 49 degrees
Step-by-step explanation:
130+99=229
229-180=49
49 degrees
180 degrees is a straight line