(a) The 6am temperature in Toronto was 82 degrees lower than in Santa Fe.
What is temperature?
To find the difference in temperature, we need to subtract the temperature in Toronto from the temperature in Santa Fe:
65 - (-17) = 65 + 17 = 82°F lower
(b) The temperature in Buffalo at noon was 6°F.
If the temperature in Buffalo had risen by 15°F, we can add 15 to the temperature at 6 a.m. to get the temperature at noon:
-9 + 15 = 6°F
Therefore, the temperature in Buffalo at noon was 6°F.
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Given the two functions, which statement is true? f(x) = 3x, g(x) = 3x + 5 Question 12 options: g(x) is translated up 5 units compared to f(x) g(x) is translated left 5 units compared to f(x) g(x) is translated down 5 units compared to f(x) g(x) is translated right 5 units compared to f(x)
The correct statement is: g(x) is translated up 5 units compared to f(x).
The correct answer is A.
To determine the translation between the two functions, we can observe that the only difference between them is the constant term.In f(x) = 3x, there is no constant term, so the graph of f(x) passes through the origin (0, 0).In g(x) = 3x + 5, there is a constant term of 5 added to the function. This means that the graph of g(x) is shifted vertically upward by 5 units compared to the graph of f(x).Therefore, g(x) is translated up 5 units compared to f(x).The correct answer is A.
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HURRYYY Is the given value equal to −42−5? Select Yes or No for each value.
lect the correct answer.
Under which condition is the sample proportion, , a point estimate of the population proportion?
A.
The sample proportion is never a point estimate of the population proportion.
B.
The sample represents a proportion of the population.
C.
The sample proportion is unbiased.
D.
The sample size, n, is small enough.
Reset Next
The correct answer is B. The sample represents a proportion of the population.
What is the sample population ?
A point estimate is a single value used to estimate a population's unknown parameter. The sample proportion (denoted by p), in the context of determining the population proportion, is a widely used point estimate. The sample proportion is determined by dividing the sample's success rate by the sample size.
The sample must be representative of the population for it to be a reliable point estimate of the population proportion. To accurately reflect the proportions of various groups or categories present in the population, the sample should be chosen at random.
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Choose the best graph that represents the linear equation:
-x = 2y + 1
The line slants downward from left to right, indicating that as x increases, y decreases.
The given linear equation is -x = 2y + 1. To represent this equation graphically, we need to rearrange it into the slope-intercept form, which is y = mx + b, where m represents the slope and b represents the y-intercept.Rearranging the given equation, we get:2y = -x - 1
Dividing both sides by 2:y = (-1/2)x - 1/2
The slope of the line is -1/2, which means that for every unit increase in x, y decreases by 1/2 unit. The y-intercept is -1/2, indicating that the line intersects the y-axis at (0, -1/2).
Based on this information, the best graph that represents the linear equation y = (-1/2)x - 1/2 is a straight line with a negative slope of -1/2, starting at the point (0, -1/2) and extending infinitely in both directions.
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A jogging trail has sides that measure 168 yards 2 feet, 175 yards, and 96 yards 1 foot. How many laps around the trail is equal to 1 mile (1,760 yards)?
Answer:
4 laps
Step-by-step explanation:
A jogging trail has sides that measure
168 yards 2 feet,
175 yards, and
96 yards 1 foot.
total = 168+175+96 yards and 3 feet= 439 yd 3ft
1 yard = 3ft
so total 440yd
How many laps around the trail is equal to 1 mile (1,760 yards)?
1760/440 = 4laps
Write the expression as a single power of b.
open parentheses b to the power of begin display style 3 over 4 end style end exponent over b to the power of begin display style 1 fourth end style end exponent close parentheses to the power of 1 half end exponent
The simplified form of the given expression is x raise to the power of one-thirty.
What is an expression?An expression is any mathematical statement which consists of numbers, variables and an arithmetic operation between them. In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
here, we have,
Simplifying indices expressions
Given the indices expression (x^1/2/(x^1/3)^1/5
Using the indices law below:
a^m/a^n = a^m-n
(a^m)^n
Applying the law above to the given equation
(x^1/2/(x^1/3)^1/5 = (x^1/2-1/3)^1/5
(x^1/2/(x^1/3)^1/5 = (x^1/6)^1/5
(x^1/2/(x^1/3)^1/5 = x^1/30
Hence the simplified form of the given expression is x raise to the power of one-thirty.
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A rectangular park has a perimeter of 374 feet and a length of 65 feet.
What is the width of the park?
Answer: 122
Step-by-step explanation:
▪︎ Perimeter = (width + length) * 2
374 = (width + 65) * 2
width + 65 = 374 / 2
width + 65 = 187
width = 187 - 65
width = 122
To determine whether or not they have a certain disease, 80 people are to have their blood tested. However, rather than testing each individual separately, it has been decided first to group the people in groups of 10. The blood samples of the 10 people in each group will be pooled and analyzed together. If the test is negative. one test will suffice for the 10 people (we are assuming that the pooled test will be positive if and only if at least one person in the pool has the disease); whereas, if the test is positive each of the 10 people will also be individually tested and, in all, 11 tests will be made on this group.
Assume the probability that a person has the disease is 0.09 for all people, independently of each other.
Compute the expected number of tests necessary for each group.
Expected number for each group:
Name the Property of Congruence that justifies the statement : If segment EF is congruent to segment GH then segment GH is congruent to segment EF . *
Symmetric Property.
If EF is congruent to GH and GH is congruent to EF this is the Symmetric Property
The number of salespeople assigned to work during a shift is apportioned based on the average number of customers during that shift. Apportion 16 salespeople using Jefferson's method given the information below.
Shift Morning Midday Afternoon Evening
Average number of customers 125 280 460 560
Salespeople to assign
What modified divisor did you use?
a) Using the standard divisors according to Jefferson's apportionment method, the number of salespeople assigned to work each shift is as follows:
Shift Morning Midday Afternoon Evening Total
Number of
salespeople assigned 1 3 5 7 16
b) The modified or adjusted divisor used represents the average number of customers for each shift divided by the standard divisor.
What is the standard divisor?The standard divisor shows the ratio of the total population to the number of seats.
The standard divisor gives an insight about the number of people each seat represents.
Standard divisor = Total number of customers / Total number of salespeople
The total number of customers = 1,425
The number of salespeople = 16
a) Standard divisor = 1,425 ÷ 16
= 89.0625
Shift Morning Midday Afternoon Evening Total
Average number of
customers 125 280 460 560 1,425
Standard divisor 89.0625 89.0625 89.0625 89.0625
b) Modified divisor 1.4035 3.1438 5.165 6.288
Number of
salespeople assigned 1 3 5 7 16
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When the squares joined their vertices to form a night triangle, the combined area of the two smaller squares the same as
the wea of the target square
Which the values of the sea of the squares do NOT support this statement?
Answer:
When three squares are joined at their vertices to form a right triangle, the combined area of the two smaller squares is the same as the area of the largest square.
Step-by-step explanation:
f the square of the length of the longest side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle. for Example: ΔABC, if c2=a2+b2 then ∠C is a right triangle, ΔPQR being the right angle. hope this helps
A small college has 1460 students. What is the approximate probability that more than six students were born on Christmas day? Assume that birthrates are constant throughout the year and that each year has 365 days.
Answer:
The approximate probability that more than six students were born on Christmas day is P=0.105.
Step-by-step explanation:
This can be modeled as a binomial variable, with n=1460 and p=1/365.
The sample size n is the total amount of students and the probability of success p is the probability of each individual of being born on Christmas day.
As the sample size is too large to compute it as a binomial random variable, we approximate it to the normal distribution with the following parameters:
\(\mu=n\cdot p=1460\cdot (1/365)=4\\\\\sigma=\sqrt{n\cdot p(1-p)}=\sqrt{1460\cdot(1/365)\cdot(364/365)}=\sqrt{3.989}=1.997\)
We want to calculate the probability that more than 6 students were born on Christmas day. Ww apply the continuity factor and we write the probability as:
\(P(X>6.5)\)
We calculate the z-score for X=6.5 and then calculate the probability:
\(z=\dfrac{X-\mu}{\sigma}=\dfrac{6.5-4}{1.997}=\dfrac{2.5}{1.997}=1.252\\\\\\P(X>6.5)=P(z>1.252)=0.105\)
If there is a nonmathematical symbol in the preceding expression, then your browser doesn't have the math symbol font. Please follow the instructions on the WeBWorK front page to install the STIX math fonts. To get around this temporarily, (i) print a hardcopy (the symbols will be there), (ii) in the options box in the right column of this screen, check the formatted option and press the apply options button, or (iii) go to a UITS public cluster (e.g., the Library) and work there.) Find the following:
a. g(h(x))=_______
b. h(g(x))=_______
c. h(h(x))=_______
Complete Question
The complete question is shown on the first uploaded image
Answer:
a
\(g(h(x)) = \sqrt[4]{x^2 + x +5} + 3\)
b
\(h(g(x)) = \sqrt{x} + 7\sqrt[4]{x} + 17\)
c
\(h(h(x)) = [x^2 + x + 5 ]^2 + x^2 + x + 10\)
Step-by-step explanation:
From the question we are told that
\(h(x) = x^2 + x + 5\)
and
\(g(x) = \sqrt[4]{x} + 3\)
Considering first question
Now we are told g(h(x))
i.e
\(g(h(x)) = [x^2 + x + 5 ]^{\frac{1}{4} } + 3\)
=> \(g(h(x)) = \sqrt[4]{x^2 + x +5} + 3\)
Considering second question
Now we are told h(g(x))
i.e
\(h(g(x)) = [x^{\frac{1}{4} } + 3]^2 + x^{\frac{1}{4} } + 3 + 5\)
=> \(h(g(x)) = x^{\frac{1}{2} } + 6x^{\frac{1}{4} } + 9+ x^{\frac{1}{4}} + 8\)
=> \(h(g(x)) = x^{\frac{1}{2}} + 7x^{\frac{1}{4}} + 17\)
=> \(h(g(x)) = \sqrt{x} + 7\sqrt[4]{x} + 17\)
Considering third question
\(h(h(x))= [x^2 + x + 5]^2 + [x^2 + x + 5 ] + 5\)
=> \(h(h(x)) = [x^2 + x + 5 ]^2 + x^2 + x + 10\)
Which graph represents the solution set of the compound inequality below?
x+3<= (4x-12) < 20
OH
4 5 6 7 8 9 10 11 12
4 5 6 7 8 9 10 11 12
6 7 8 9 10 11 12 13 14
6 7 8 9 10 11 12 13 14
A graph that represents the solution set of the compound inequality is: graph D.
What is an inequality?In Mathematics, an inequality simply refers to a mathematical relation that is typically used for comparing two (2) or more numerical data and variables in an algebraic equation based on any of the following inequality symbols:
Less than (<).Greater than (>).Greater than or equal to (≥).Less than or equal to (≤).Next, we would solve the given compound inequality by making x the subject of formula as follows;
x + 3 < 1/2(4x - 12) < 20
Multiplying all through by 2, we have the following:
2x + 6 < 4x - 12 < 40
Next, we would solve the compound inequality in parts:
2x + 6 < 4x - 12
4x - 2x < 12 + 6
2x < 18
x < 18/2
x < 9.
4x - 12 < 40
4x < 40 + 12
4x < 52
x < 52/4
x < 13.
In conclusion, the line on a number line (graph) should be open when the inequality symbol is greater than (>) or less than (<).
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What is the average rate of change of f(x) from x=-6 to x= 6
Answer: the average rate of f(x) from x=-6 to x=6 is 12.
Step-by-step explanation:
-6+6=0
-6+12=6
Hope this helps :)
Find the missing side. 31° Z z = [?] Round to the nearest tenth. Remember: SOHCAHTOA 21
A²+B²= C²
31²+ 21²= z²
961+441 = z²
1402= z²
z= 37.443290454
What is the average rate of change for this quadratic
function for the interval from x=2 to x = 4?
A. 12
B. -6
C. -12
D. 6
-10-
Click here for long description
SUBMIT
The average rate of change of the function over the interval is -6
Finding the average rate of changeFrom the question, we have the following parameters that can be used in our computation:
The graph
The interval is given as
From x = 2 to x = 4
The function is a quadratic function
This means that it does not have a constant average rate of change
So, we have
f(2) = -3
f(4) = -15
Next, we have
Rate = (-15 + 3)/(4 - 2)
Evaluate
Rate = -6
Hence, the rate is -6
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Max has $300 in a savings account. He plans to withdraw $10 per week for lunch money. Which inequality
represents the number of weeks Max can withdraw money before his account will be less than $170?
Answer:
300-10w<170
subtract 300 from both sides
-10w<-130
divide by -10, because we are dividing a negative number the inequality sign changes
w>13
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Fill in the blank
A small scoop of ice cream holds 75% as much as a large scoop of ice cream.
If the small scoops holds 36 ounces, how much does the large scoop hold? _______________ ounces.
Answer:
48 ounces
Step-by-step explanation:
75% of x = 36
= 0.75x = 36
Dividing both sides by 0.75 we get:
x = 36/0.75
x = 48 units
The large scoop can hold 48 ounces.
What are percentages?A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate the percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word percent means per 100. It is represented by the symbol “%”
Given here: A small scoop of ice cream holds 75% as much as a large scoop of ice cream. Let the large scoop hold x then as per question we have x×0.75=36
x= 48
Hence, The large scoop can hold 48 ounces.
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Use the number line to answer the question below:
<—A——————-B————C—->
If AB = 7x - 24 and BC = 6x - 2, what is the value of AC?
a. 13x - 22
C. 13x - 26
b. 33
d. 46
Work Shown:
AC = AB + BC
AC = (7x-24) + (6x - 2)
AC = (7x+6x) + (-24-2)
AC = 13x - 26
This works because segment AC is split up into two parts AB and BC which don't overlap. Refer to the segment addition postulate.
What equivalent to 8(3x + 2y) by the distributive property?
Answer:
24x + 16y
Step-by-step explanation:
8(3x+2y)
8*3x + 8*2y
24x + 16y
AUVW - APOR
W
63
U
V
77
P
66
R
?
2
Q
SOMEONE PLS HELP.
Answer:
x = 54
Step-by-step explanation:
Since both triangles are similar, therefore,
\( \frac{UV}{PQ} = \frac{VW}{QR} \)
\( \frac{77}{66} = \frac{63}{x} \)
\( \frac{7}{6} = \frac{63}{x} \)
Cross multiply
\( 7*x = 63*6 \)
\( 7x = 378 \)
Divide both sides by 7
x = 54
???can anyone please help???
Because he wants to mantain a constant rate over the first hours, we can see that on the first hour he should travel 26 miles.
How many miles should he travel in the first hour?The total race is 150 miles, if we discount the last 20 miles (that Jackson will bike as fast as he can) we get:
150mi - 20mi = 130mi
We know that he travels these 130 miles at a constant rate over 5 hours, so the distance that he moves each hour (an particularly the first hour) is given by the quotient between the distance and the time.
R = 130mi/5h = 26mi/h
So he should travel 26 miles in the first hour.
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12 in.
10 in.
2 in.
7 in.
21 in.
What’s the volume
The required volume of the given rectangular prism is given as 240 in ³.
What is volume?Volume is defined as the mass of the object per unit density while for geometry it is calculated as profile area multiplied by the length at which that profile is extruded.
Here,
From the data we have,
Length of the rectangle prism = 12 in
Width of the rectangle prism = 2 in
Height of the rectangle prism = 10 in
The volume of the rectangular prism = length × width × height
= 12 × 2 × 10
= 240 in ³
Thus, the required volume of the given rectangular prism is given as 240 in ³.
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The question is incomplete.
Complete question is," Calculate the volume of the prism of dimensions length, width and height are 12, 2, and 10 respectively. "
The curve y=ax2+bx+c passes through (2,5) (3,12) and (-1,-4).find the equation of the curve
Explanation:
You want to first to substitute to form 3 equations.
5=4a+2b+c
12=9a+3b+c
-4=a-b+c
Now solve with whatever way you fell comfortable, I'm going to use elimination.
First eliminate c
7=5a+b
16=8a+4b --> 4=2a+b
Then I'll eliminate b,
3=3a
a=1
Now solve for b and c
7=5+b
b=2
1-2+c=-4
c=-3
Now for the equation:
y=x^2+2b-3
Hope this helps!
Hargray Telephone earned 155.27 interest on a $20,000 deposit in an account paying 6%.
Find the number of days that the funds were on deposit.
46 Days the number of days that the funds were on deposit on Interest rate.
What exactly does "interest rate" mean?
An interest rate informs you of how much borrowing will cost you and how much saving will pay off. Therefore, the interest rate is the amount you pay for borrowing money and is expressed as a percentage of the total loan amount if you are a borrower.Interest earned = Principal*Interest rate*Time period
155.27 = 20,000 * 0.06 * Time period
Time period = 155.27/(20,000*0.06)
= 0.129339 years
=(0.129339 * 360)
= 46.56204 days
= 46 days(Approx)
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HELP ME THANK U !
check attachments
Answer:
Translations reflections, and rotations
are
Step-by-step explanation:
Hope this helps
Question 1 : Translations Reflections, And Rotations
Question 2 : And
◊ YusuCr ◊
a + b=c make (a) the subject with working
Step-by-step explanation:
a= c-b pls let me know if it is correct or not
Rewrite in polar form:x squared plus y squared equals 9
Answer:
the solution (x,y) are any x and y that satisfy the equation.
One possible solution is (0,3) or x=0, y=3.
Btw, x(squared) + y(squared) =3(squared)
is an equation of a circle centre (0,0) radius 3.
if -2x+ y =6 and -7x-4y=-8 are true equations what would the value of -9x-3y
Answer:
\(-\frac{106}{5} or -21.2\)
Step-by-step explanation:
First we would have to get x and y-values by solving systems of equations:
isolate one of the variable from any of the first 2 equations given:
-2x+ y =6 would be y = 2x + 6 when y is isolated.
now plug this equation in for the y given in the second equation:
-7x -4(2x + 6) = -8
Now solve to get the x-value,
-7x - 8x - 24 = -8
-15x - 24 = -8
-15x = 16
x = \(-\frac{16}{15}\) or -1.06
To solve for y-value, substitute the gotten x-value in any of the 2 equations and solve:
y = 2(\(-\frac{16}{15}\)) + 6
y = \(\frac{58}{15}\) or 3.86
Now that we have the x and y-values, substitute them in for the 3 equation given:
-9(\(-\frac{16}{15}\)) -3( \(\frac{58}{15}\))
=> \(-\frac{106}{5}\) or -21.2 = Final Answer
Hope this helps!