I will give you brainliest if you actually help me explain this in words :,(
How can the properties of rational exponents be applied to simplify expressions with radicals or rational exponents?
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Answer:
The properties of rational exponents can be applied to simplify expressions with radicals or rational exponents by writing radicals as numbers with rational exponents.
That allows you to apply the same properties of rational exponents to them.
Step-by-step explanation:
hope it may help you
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12-4= +2
second Grade math help pls
Answer:
6
Step-by-step explanation:
Step 1:
12 - 4 = x + 2
Step 2:
8 = x + 2
Step 3:
8 - 2 = x
Answer:
x = 6
Hope This Helps :)
What is the approximate side length of the square? 3. 0 units 3. 5 units 4. 2 units 4. 9 units.
Answer:
4.9 units
Step-by-step explanation:
-6(a+8) hugyftdrijohugfcgjhbkuo7gy6tfuh
Answer:
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Step-by-step explanation:
1/4x1/4x1/4x1/4x1/4=
Answer:
1 1/4 or 5/4
Step-by-step explanation:
one is simplified just in case
Answer:
1/1024
Step-by-step explanation:
If you want the steps, just ask and ill give them in comments :)
Hope this helped!
If so, can you mark brainiest!
Thanks!
Have a great day!
Y-4= -2(x+3) the 2 variable equations
Answer:
y=-2x-10
this is slope-intercept form, if this is what you're asking for?
Step-by-step explanation:
simplify: y-4 = -2x-6
y= -2x -10
Will give brainliest
Answer:
21
Step-by-step explanation:
solve for x round your answer to the nearest tenth
Answer:
13.7
Step-by-step explanation:
Pythagorean theorem converse
Answer:
The value of x is 13.7.
Step-by-step explanation:
☆We are going to use the Pythagorean theorem to solve this.
☆Pythagorean Theorem:
\( {a}^{2} + {b}^{2} = {c}^{2} \)
☆Remmeber: a = leg, b = leg, c = hypotenuse or the diagonal.
☆Let's plug in according to the pythagorean theorem and solve!
\( {a}^{2} + {b}^{2} = {c}^{2} \\ {x}^{2} + {9.2}^{2} = {16.5}^{2} \\ {x}^{2} + 84.64 = 272.25 \\ \frac{ \: \: \: \: \: \: \: \: - 84.64 = - 84.64}{ {x}^{2} = \sqrt{187.61} } \\ x = 13.7\)
Octavian became the emperor of rome in 27 b.c. he ruled until his death in a.d. 14. how long did he rule as emperor? (hint: remember there was no a.d. 0.) 13 years 41 years 12 years 40 years
The number of years that he ruled as an Emperor is B. 41 years.
How to calculate the values?From the information, it was stated that Octavian became the emperor of rome in 27 b.c. and that he ruled until his death in a.d. 14
Therefore, the number of years that he rules will be:
= 27 + 14
= 41
Therefore, the number of years that he ruled as an Emperor is 41 years.
In conclusion, the correct option is B.
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Determine the equation of the parabola graphed below. Note: be sure to consider the negative sign already present in the template equation when entering your answer. A parabola is plotted, concave up, with vertex located at coordinates negative one and negative four.
The equation of the parabola graphed is given as follows:
y = a(x + 1)² - 4.
What is the equation of a parabola given it’s vertex?The equation of a quadratic function, of vertex (h,k), is given by:
y = a(x - h)² + k
In which a is the leading coefficient.
Considering the vertex given, we have that h = -1, k = -4, hence the equation is:
y = a(x + 1)² - 4
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What was the median score for the exam? HELP ME PLEASE!!!
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Explanation:
The stem and leaf plot shows we have the following data items
{56, 67, 67, 69, 72, 74, 77, 77, 78, 81, 82, 82, 83, 84, 88, 90, 92, 93, 94}
Cross off the outermost items.
So cross off the first and last items to get this smaller set
{67, 67, 69, 72, 74, 77, 77, 78, 81, 82, 82, 83, 84, 88, 90, 92, 93}
Repeat that process again
{67, 69, 72, 74, 77, 77, 78, 81, 82, 82, 83, 84, 88, 90, 92}
Repeat again
{69, 72, 74, 77, 77, 78, 81, 82, 82, 83, 84, 88, 90}
Do so another time. We keep going til we get 1 or 2 values
{72, 74, 77, 77, 78, 81, 82, 82, 83, 84, 88}
{74, 77, 77, 78, 81, 82, 82, 83, 84}
{77, 77, 78, 81, 82, 82, 83}
{77, 78, 81, 82, 82}
{78, 81, 82}
{81}
The last value is the median as it is in the very middle. So the median is 81.
-----------
Check out the attached image below to see the various items crossed off. Note the color coding to see how the terms pair up when crossed off. Only the 81 isn't crossed off showing it is the middle most value.
Line s is drawn in the xy-plane and has an equation
3y-6x = 9. Line t is parallel to line s. What is the
slope of line t?
Nora took 10 bottles of water to a picnic. Of these bottles of water, she and her friends opened a certain number of bottles, b. What expression can be used to determine the number of unopened bottles at the end of the picnic?
Answer:
10 - B = U
Step-by-step explanation:
U stands for the unopened bottles
for example if they opened 3 bottles it would be 10 - 3 = U (unopened bottles)
The value of U is 7 because the 10 bottles of water minus the 3 bottles they opened it would equal 7.
therefore the equation 10 - B = U shows the amount of unopened bottles
In 1983, a pair of jeans cost $66.35. If a pair of jeans costs $118.10 today, what is the CPI? a. 152 b. 156 c. 178 d. 184 Please select the best answer from the choices provided A B C D
The value of CPI will be 178.
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
In 1983, a pair of jeans cost $66.35.
And, A pair of jeans costs $118.10 today.
Now,
Since, In 1983, a pair of jeans cost $66.35.
And, A pair of jeans costs $118.10 today.
Hence, The value of CPI will be;
CPI = 118.10 × 100 / 66.35
= 11810 / 66.35
= 178
Thus, The value of CPI will be 178.
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The sum of the digits of a certain two digit number is 13. Twice the tens digit exceeds the unit digit by 2. What is the number?
Answer:
Step-by-step explanation:
6.5
Tires are rotating at a rate of 32 revolutions per minute. Find the angular speed of the tires in radians per minute.
Answer:
201.1 radians per minute
Step-by-step explanation:
The formula for Angular speed of tires in radians per minute =
1 revolutions per minute = 2π rad/min
32 revolutions per minute = x
x = 32 revolutions per minutes × 2 π radians per minute
x = 201.06192983 radians per minute
Approximately
x = 201.1 radians per minute
Therefore, the angular speed of the tires in radians per minute is 201.1 radians per minute
The angular speed of the tires in radians per minute is 201 rad per minute.
Angular speed is the rate at which an object changes it angles, it is measured in radians in a given time.
To convert from rad per minute to rev per minute, we divide by 2π.
1 rad per min = 1/2π rev per min
32 revolutions per minute = (32 * 2π) radians per minute = 201 rad per minute.
The angular speed of the tires in radians per minute is 201 rad per minute.
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PLEASE HELP!
Verify that f and g are inverses functions using composition , show your steps
Answer: We can conclude that f(x) and g(x) are not inverses.
Step-by-step explanation:
If we have two functions:
f(x) and g(x)
These functions are inverses if:
f( g(x) ) = x
g( f(x) ) = x
In this case, we have:
f(x) = 12*x - 12
g(x) = (1/12)*x - 1
Now we need to check the compositions:
f( g(x) ) = 12*g(x) - 12 = 12*( (1/12)*x - 1) - 12 = (x - 12) - 12 = x - 24
and:
g( f(x)) = (1/12)*f(x) - 1 = (1/12)*(12*x - 12) - 1 = 12*x/12 - 12/12 - 1 = x - 1 - 1 = x - 2
In both cases, we can see that:
f( g(x) ) ≠ x
and:
g( f(x) ) ≠ x
Then we can conclude that f(x) and g(x) are not inverses functions.
Solve this quick please thank you.
Answer:
\(y=-\dfrac{8}{x}\)
Step-by-step explanation:
Inverse proportions can be represented by an equation in the form:
\(\boxed{y=\dfrac{k}{x}}\)
where:
y and x are the two quantities in the proportion.k is the constant of proportionality.To write an expression for the graphed function, first input the given point (-2, 4) into the inverse proportion equation and solve for k:
\(\implies y=\dfrac{k}{x}\)
\(\implies 4=\dfrac{k}{-2}\)
\(\implies 4 \cdot (-2)=\dfrac{k}{-2}\cdot (-2)\)
\(\implies -8=k\)
\(\implies k=-8\)
Therefore, the expression for the graphed function is:
\(\boxed{y=-\dfrac{8}{x}}\)
The cost to rent a construction crane is $1200 per day plus $150 per oh use. Your budget for one-day crane rental is a most $3600
Please help me with this Geometry Question
The value of x from the given figure is 12 units.
What are similar triangles?Two triangles are similar if the angles are the same size or the corresponding sides are in the same ratio. Either of these conditions will prove two triangles are similar.
From the given figure,
Consider ΔADC and ΔABC,
∠C=∠C (Reflex property)
AC=AC (Reflex property)
∠BAC=∠CDA=90°
By AA similarity, ΔADC ~ ΔABC
So, AC/BC = DC/AC
x/36 = 4/x
x²=36×4
x²=144
x=12 units
Therefore, the value of x from the given figure is 12 units.
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Student Name: Q2A bridge crest vertical curve is used to join a +4 percent grade with a -3 percent grade at a section of a two lane highway. The roadway is flat before & after the bridge. Determine the minimum lengths of the crest vertical curve and its sag curves if the design speed on the highway is 60 mph and perception/reaction time is 3.5 sec. Use all criteria.
The minimum length of the crest vertical curve is 354.1 feet, and the minimum length of the sag curves is 493.4 feet.
In designing the crest vertical curve, several criteria need to be considered, including driver perception-reaction time, design speed, and grade changes. The design should ensure driver comfort and safety by providing adequate sight distance.
To determine the minimum length of the crest vertical curve, we consider the stopping sight distance, which includes the distance required for a driver to perceive an object, react, and come to a stop. The minimum length of the crest curve is calculated based on the formula:
Lc = (V^2) / (30(f1 - f2))
Where:
Lc = minimum length of the crest vertical curve
V = design speed (in feet per second)
f1 = gradient of the approaching grade (in decimal form)
f2 = gradient of the departing grade (in decimal form)
Given the design speed of 60 mph (or 88 ft/s), and the grade changes of +4% and -3%, we can calculate the minimum length of the crest vertical curve using the formula. The result is approximately 434 feet.
Additionally, the sag curves are designed to provide a smooth transition between the crest curve and the approaching and departing grades. The minimum lengths of the sag curves are typically equal and calculated based on the formula:
Ls = (V^2) / (60(a + g))
Where:
Ls = minimum length of the sag curves
V = design speed (in feet per second)
a = acceleration due to gravity (32.2 ft/s^2)
g = difference in grades (in decimal form)
For the given scenario, the difference in grades is 7% (4% - (-3%)), and using the formula with the design speed of 60 mph (or 88 ft/s), we can calculate the minimum lengths of the sag curves to be approximately 307 feet each.
By considering the perception-reaction time, design speed, and grade changes, the minimum lengths of the crest vertical curve and the sag curves can be determined to ensure safe and comfortable driving conditions on the two-lane highway.
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*HELP ASAP I CAN ONLY DO THIS ONE TIME OR ILL FAIL*
Answer:
A
Step-by-step explanation:
V= BxHxL divided by 2
6x9x21= 1,134
divided by 2 equals 567yd
Answer:
A) 567 yd^3
Step-by-step explanation:
If you need help with formulas you could always look them up. Like triangular prism volume formula
10x - 4(2x + 1) simpifly PLEASE
Answer:
2x - 4
Step-by-step explanation:
10x - 4 ( 2x + 1 )
= 10x - 8x - 4
= 2x - 4
The system of equations is graphed on the coordinate plane.
y=−12x−2
y=−32x+2
Answer: either (-5,-0.5)
Step-by-step explanation:
4. Write an equation in slope intercept form for a line with a slope of 3/8
y-intercept = -4.
Quadrilateral ABCD is inscribed in circle O. If M
Solution
For this case we can use the following equation:
m < A+ m < C= 180 º= m < B + m < D
Then since we know that m < A= 88º we can do this
m < C= 180º- 88º = 92º
then the correct answer is:
92º
!!!HELP PLZ!!!
write the slope-intercept form of the equation of the line through the given slope:
through: (-4, 3) Slope=1
Answer:Y=X+7
Step-by-step explanation:
pls help with the answer asap thank ypu
Answer:
3(2x+1)+2(x+4)
=6x+3+2x+8
=6x+2x+3+8
=8x+11
Phone calls arrive at the rate of 48 per hour at the reservation desk for regional airways.
A) Compute the probability of receiving three calls in a 10-minute interval of time?(to 4 decimals)
B) Compute the probability of receiving exactly 13 calls in 15 minutes. (To 4 decimals)
C) Suppose no calls are currently on hold. If an agent takes 10 minutes to complete the current call, how many callers do you expect to be waiting by that time?
D) What is the probability that none will be waiting?
E) If no calls are being processed, what is the probability that the agent can take 5 minutes for a personal time without being interrupted by a call?
The different probabilities and number of callers expected to be waiting are;
A) P(x = 3) = 0.0286
B) P(x = 13) = 0.1056
C) 8 will be waiting
D) P(x = 0) = 0.0003
E) P(x = 0) = 0.0067
How to find probability using Poisson distribution?
We are given the rate of 48 phone calls per hour.
Thus, we will use poisson's distribution formula;
P(x) = (λˣ × e^(-λ))/x!
A) Probability of receiving three calls in a 10-minute interval of time which is P(x = 3). Thus;
λ = 48 * (10/60)
λ = 8
P(x = 3) = (8³ × e⁻⁸)/3!
P(x = 3) = 0.0286
B) Probability of receiving exactly 13 calls in 15 minutes is P(x = 13). Thus;
λ = 48 * (15/60)
λ = 12
P(x = 13) = (12¹³ × e⁻¹²)/13!
P(x = 13) = 0.1056
C) No calls are currently on hold and it takes 10 minutes to complete one call. Thus;
λ = 48 * (10/60)
λ = 8
Thus, 8 will be waiting after 10 minutes.
D) Probability that no one will be waiting is;
P(x = 0) = (8⁰ × e⁻⁸)/0!
P(x = 0) = 0.0003
E) No calls being processed and it takes 5 minutes for a personal time without being interrupted by a call. Thus;
λ = 48 * (5/60)
λ = 4
P(x = 0) = (4⁰ × e⁻⁵)/0!
P(x = 0) = 0.0067
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Sean is biking at a rate of 14 miles per hour. he wants to bike a total of 71 milies
Sean approximately 5.07 hours to bike a total distance of 71 miles.
Sean is biking at a steady rate of 14 miles per hour, and his goal is to cover a total distance of 71 miles. To determine the time it will take him to complete the entire distance, we can use the formula: time = distance / rate.
Using this formula, we can calculate Sean's biking time. Dividing the total distance of 71 miles by the rate of 14 miles per hour gives us:
Time = 71 miles / 14 miles per hour
Simplifying the equation, we find:
Time = 5.07 hours
Therefore, it will take Sean approximately 5.07 hours to bike a total distance of 71 miles.
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