Skylar drives 18 miles in 12 minutes. If she drove one hour in total at the same rate, how far did she go?
Answers
Answer:
90 miles
Step-by-step explanation:
18/12 = ?/60
12*5=60
18*5=90
90/60
Hope that helps :)
Related Questions
The fundamental question addressed by the correlational method is
a. "Does variable A cause variable B?"
b. "How is a control group influenced by the absence of an independent variable?"
c. "What impact does random assignment have on psychological behavior?"
d. "Are two or more variables related in some systematic way?"
Answers
The fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way. So the correct option is D.
Correlational method is a research technique used to explore the relationship between two or more variables. In this method, researchers collect data on the variables of interest and analyze their patterns of association. The fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way. This means that researchers are interested in exploring whether changes in one variable are associated with changes in another variable.
For instance, a researcher may be interested in exploring the relationship between stress and job performance. The researcher may collect data on the levels of stress and job performance in a sample of employees and then use statistical analysis to determine if there is a systematic relationship between the two variables. If the results show that higher levels of stress are associated with lower levels of job performance, then the researcher can conclude that there is a negative correlation between the two variables.
It is important to note that correlation does not imply causation. While a correlation between two variables indicates that they are related, it does not necessarily mean that changes in one variable are causing changes in the other variable. Therefore, researchers must be cautious when interpreting correlational data and should consider other factors that may be influencing the relationship between variables.
Therefore, the fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way, and researchers must be cautious when interpreting correlational data and should consider other factors that may be influencing the relationship between variables.
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whats the prime factorazion of 72
Answers
Answer:
Prime Factors of 72: 2, 3
Step-by-step explanation:
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72
find the absolute maximum and absolute minimum values of f on the given interval. f(x) = 15 4x − x2, [0, 5]
Answers
The absolute maximum value of f on the interval [0, 5] is 15.
The absolute minimum value of f on the interval [0, 5] is 5.
To find the absolute maximum and absolute minimum values of f on the given interval:
We need to evaluate f(x) at the endpoints of the interval and at any critical points within the interval.
First, we find the derivative of f(x):
f'(x) = 15 - 2x
Then, we set f'(x) = 0 and solve for x:
15 - 2x = 0
x = 7.5
However, 7.5 is not within the interval [0, 5], so we do not have any critical points within the interval.
Next, we evaluate f(x) at the endpoints of the interval:
f(0) = 15
f(5) = 5
Therefore, The absolute maximum value of f on the interval [0, 5] is 15 and the absolute minimum value of f on the interval [0, 5] is 5.
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yy-ex = 0, and y = 4 when x = 0, which means that: A. in | x² +41 + 6 O B. y=-2 c. y2 = 2eX + 14 D. y = x- In x2 + 4 E. y2 = 4x2 + 3
Answers
Based on the given information that yy-ex = 0 and y = 4 when x = 0, we can conclude that the answer is B. y=-2.
This is because if yy-ex = 0, then when x = 0, we have y = y0 which is equal to 4. This means that y must decrease as x increases, which is consistent with the answer B.
The other answer choices do not fit this pattern and are therefore not correct solutions to the problem.
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Joaquin was asked to simplify the expression 3p + 5 + 7p - 9. He says the answer is 6p Answer the following questions: **What error did Joaquin make when combining like terms? **What should the answer be? Be sure to answer in complete sentences.
Answers
:)
The answer should be 10p - 4.
What is an expression?An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.
Now the given expression is,
3p + 5 + 7p - 9
To solve this taking alike terms together.
3p + 7p + 5 - 9
Thus, we have
Variables = 3p + 7p = 10p
Constants = 5 - 9 = -4
Thus, the expression becomes,
3p + 5 + 7p - 9 = 10p - 4
So, this is the required answer of the given expression.
Thus, the answer should be 10p - 4.
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find the value 0f n for which 2n=1\64
Answers
Answer:
n=1\2
Step-by-step explanation:
Instructions: Find the circumference of the circle and round to the nearest tenth.
3.2 yd.
Circumference =
yd.
Can u get help?
Answers
Answer:
the answer is 20.1 yd
Step-by-step explanation:
circumference= 2πr
where r is 3.2
pi is 22/7
c = 2/1 × 22/7 × 3.2/1
c = 140.8/7
c = 20.1 yd
The circumference of the circle is 20.12 yd. if the radius of the circle is 3.2 yd the answer is 20.12 yd.
What is a circle?It is described as a set of points, where each point is at the same distance from a fixed point (called the center of a circle)
We have a circle shown in the picture.
The radius of the circle = 3.2 yd
As we know,
The circumference of the circle can be calculated using the formula:
C = 2πr
Here,
C is the circumference of the circle
r is the radius of the circle
r = 3.2 yd
C = 2π(3.2)
Take π = 22/7
C = 6.4π(22/7)
C = 140.8/7
C = 20.114
After round to the nearest tenth:
≈ 20.12 yd.
Thus, the circumference of the circle is 20.12 yd. if the radius of the circle is 3.2 yd the answer is 20.12 yd.
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Which statements could be correct based on a dimensional analysis? The height of the Transamerica Pyramid is 332 m ^{2} . The volume flow rate is 64 m ^{3}/s. The time duration of a fortnight is 66 m/s. The speed of a train is 9.8 m/s ^{2} . The weight of a standard kilogram mass is 2.2ft−lb. The density of gold is 19.3 kg/m ^{3} .
Answers
Based on dimensional analysis is The height of the Transamerica Pyramid is 332 m, Volume flow rate is 64 m3/s, the speed of a train is 9.8 m/s2, and the density of gold is 19.3 kg/m3.
Dimensional analysis is the analysis of the relationships between different physical quantities by identifying their fundamental dimensions.
In dimensional analysis, the units of the physical quantities are taken into account without considering their numerical values.
Based on dimensional analysis, the correct statements can be determined.
Here are the correct statements based on dimensional analysis
The height of the Transamerica Pyramid is 332 m. Volume flow rate is 64 m3/s.
The speed of a train is 9.8 m/s2.
The density of gold is 19.3 kg/m3.
Dimensional analysis requires the use of fundamental units.
Here are some examples of fundamental units: Mass (kg), Time (s), Length (m), Temperature (K), and Electric Current (A).
Therefore, based on dimensional analysis, the time duration of a fortnight is not 66 m/s since it does not have the correct units of time (s).
Additionally, the weight of a standard kilogram mass cannot be 2.2ft-lb since it does not have the correct units of mass (kg).
Hence, the correct statements are: the height of the Transamerica Pyramid is 332 m, volume flow rate is 64 m3/s, the speed of a train is 9.8 m/s2, and the density of gold is 19.3 kg/m3.
Therefore, based on dimensional analysis is The height of the Transamerica Pyramid is 332 m, Volume flow rate is 64 m3/s, the speed of a train is 9.8 m/s2, and the density of gold is 19.3 kg/m3.
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NEED HELP! Will give brainiest!! And thanks if you even answer one of them
Answers
2. -2 8. 6 16. True
3. 29 9. -20 17. True
4. 3 10. 7
5. 20 11. 40
6. 51 12. 9/2 (fraction)
13. -17
14. -4
Answer:
In the questions you are asked to evaluate by substituting the variables to the given number.
PLZ EXCUSE MY HANDWRITING.
Rewrite the expression with rational exponents as a radical expression by extending the properties of integer exponents.
two to the three fourths power, all over two to the one half power
the eighth root of two to the third power
the square root of two to the three fourths power
the fourth root of two
the square root of two
Answers
Which expressions are equivalent to x^2+6x+8 ? Select all that apply.
Answers
Answer: 3(2x+4), 6(x+2), and 2(3x+6)
Step-by-step explanation: tell me if you dont understand :)
Your job starts at 4:00 pm and ends at 8:30 pm. How many minutes is that
Answers
1hr = 60 mins
Sooo the answer is 270 minutes.
Answer:
it is 270 minutes
Solve the equation for x. the square root of the quantity x minus 6 end quantity plus 3 equals 10 x = 1 x = 13 x = 43 x = 55
Answers
Answer:
Step-by-step explanation:
To solve the equation, we'll start by isolating the square root term:
√(x - 6) + 3 = 10
Subtract 3 from both sides:
√(x - 6) = 7
Square both sides:
x - 6 = 49
Add 6 to both sides:
x = 55
Therefore, the solution is x = 55.
10 + 4x = 5 (x-6) + 33
Answers
a 5-letter password is to be constructed from the following letters: {a, b, c, d, e}. the password must contain exactly 3 of the letters. (obviously at least one of them will need to be used more than once to create a 5-letter password.)
Answers
If A,B, and C are the letters selected and we use A twice, B twice, and C once. The number of ways different passwords exist in this scenario are 30.
What is a password?
A password, sometimes known as a passcode (in devices made by Apple, for instance), is a hidden piece of information that is typically a long string of characters and is used to verify a user's identity. Passwords were always thought to be memorized, but today's average person has access to a huge number of password-protected services, making it difficult to remember a different password for each one. The secret is kept by a party known as the claimant, and the person confirming the claimant's identity is known as the verifier, according to the nomenclature of the NIST Digital Identity Guidelines. The verifier can determine the identity of the claimant when the claimant successfully uses a recognized authentication technique to show the verifier that they know the password.
A, B and C are selected
A is used twice B is used twice and C is once
Total ways = 5!/2!.2! = 30
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If d(3) = 4 and d(x)= 7x - k, what is k?
Answers
Answer:
k = 17
Step-by-step explanation:
x=3
4 = 7x - k
4= 7(3) - k
4= 21 - k
21 - 4 = 17
k = 17
Which pair shows equivalent expressions? 2x+10=-2(x-5) O -2(x+5)=2x-10 O-2x-10--2(x+5) -2(x-5)=-2x-10
CHOOSE.ONE
Answers
Answer:
1 and 2 they both are x=0
Step-by-step explanation:
Answer:
The pair that shows equivalent expressions is -2x - 10 = -2(x+5)
Step-by-step explanation:
If you use the distributive property for the expression -2(x + 5), you will get -2x - 10, which is equivalent to -2x - 10.
The mean length of the first 20 space shuttle flights was about 7 days, and the standard deviation was about 2 days. Using Chebychev’s Theorem, determine at least how many of the flights lasted between 3 days and 11 days.
Answers
At least 75% of the flights (or 15 out of the 20 flights) will last between 3 days and 11 days, according to Chebyshev's Theorem.
Chebyshev's Theorem states that for any given number k greater than 1, at least (\(1-\frac{1}{k^2}\)) of the data values in any data set will fall within k standard deviations of the mean.
In this case, we can use Chebyshev's Theorem to determine the minimum number of flights that lasted between 3 and 11 days.
Given:
Mean (μ) = 7 days
Standard Deviation (σ) = 2 days
To find the number of flights within the range of 3 to 11 days, we need to calculate how many standard deviations away from the mean these values are.
Lower Bound:
Value = 3 days
Number of standard deviations away from the
\(mean = \frac{(Value - Mean)}{ Standard Deviation}\)
\(mean =\frac{(3 - 7) }{2}\)
\(mean =\frac{-4}{2}\)
\(mean = -2\)
Upper Bound:
Value = 11 days
Number of standard deviations away from the
\(mean = \frac{(Value - Mean)}{Standard Deviation}\)
\(mean = \frac{(11 - 7)}{2}\)
\(mean = \frac{4}{2}\)
\(mean = 2\)
According to Chebyshev's Theorem, the minimum proportion of data values within k standard deviations of the mean is given by \((1- \frac{1}{k^2} )\).
So, we need to determine the proportion of data within 2 standard deviations, which is k = 2.
Proportion within 2 standard deviations = \(1-\frac{1}{2^2}\)
\(=1-\frac{1}{4}\)
\(= 1 - 0.25\)
\(= 0.75\)
Now, we can find the percentage of \(0.75\):
\(= 0.75\times 100\)
\(= 75\%\)
Therefore, at least 75% of the flights (or 15 out of the 20 flights) will last between 3 days and 11 days, according to Chebyshev's Theorem.
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this is hardddddddddd i think
Answers
Answer: 7x² - 14x
Steps: 7(-2x + x²)
Apply the distributive law [ a(b + c) = ab + ac ]: 7(-2x) + 7x²
Apply negative/positive rules: -7 × 2x + 7x²
Simplify: 7x² - 14x
PLZZZZ ANSWER
Martin drinks 1/4 of a litre of juice each day.
Juice costs £3.60 for a 2 litre carton and £2.00 for a 1 litre carton.
Martin buys enough juice to last for 2 weeks (14 days).
What is the lowest price Martin can pay for this juice?
Answers
Given :
Martin drinks 1/4 of a litre of juice each day.
Juice costs £3.60 for a 2 litre carton and £2.00 for a 1 litre carton.
To Find :
Martin buys enough juice to last for 2 weeks (14 days).
What is the lowest price Martin can pay for this juice.
Solution :
Amount of litre used in 14 days is :
V = 14× ( 1/4 )
V = 3.5 liter
Lowest price to pay is :
P = 2 × Cost of one 2 L carton
P = £(2 × 3.60)
P = £7.2
The lowest price Martin can pay for this juice is £7.2 .
Hence, this is the required solution.
Which equation describes a circle with a radius of 4 and a center located at (-5, 2)?
A. (1 – 5)2 + (y + 2)2 = 4
B. (1 – 5)2 + (y + 2)2 = 16
C. (1 + 5)2 + (y - 2)2 = 4
D. (1 + 5)2 + (y - 2)2 = 16
Answers
B is the answer. It makes perfect sense
Please help pre algebra it’s super hard
Answers
Answer:
a reflection and then a translation
a translation and then a rotation
a rotation and then a reflection
Hope this helps
what is the answer to this algebraic expression 9x-6(x+4) ?
Answers
The solution to the given expression would be 3x - 24 I believe.
Hope this helps!
solve for each of the following equations. /2x+3/=10
Answers
Answer:
/2x+3/=10
2x+3=10 or 2x+3=-10
2x=10-3 or 2x=-10-3
2x=7 or 2x=-13
X=7÷2 or X=-13÷2
X=3.5 or X=-6.5
expand: -4(2x + 2) +3
Answers
Answer:
-8x-8+3
-8x-5
that is the answer for this question and I will send you the link to mp3 and
This year, Ryan watched 55 movies. He thought that 33 of them were very good. Of the movies he watched, what percentage did he think were very good?
PLEASE HELP ASAP!!!! NO LINKS PLEASE!
Answers
Answer:
55 MOVIES???!! ok here's the answer: 33 is 60 percent of 55 = 60
Step-by-step explanation:
Reptile stickers come in sheets of 10 and fish stickers come in sheets of 25. Antonio buys the same
number of both types of stickers and he buys at least 100 of each type.
What is the least number of sheets of each type he might buy?
Antonio might buy
sheets of reptile stickers and
sheets of fish stickers.
Answers
100 is the least number of sheets of each type he might buy given that reptile stickers come in sheets of 10 and fish stickers come in sheets of 25 and Antonio buys the same number of both types of stickers and he buys at least 100 of each type. This can be obtained by finding LCM(Least Common Multiple) of 10 and 25 and identifying the multiple nearest to 100.
What is the least number of sheets of each type he might buy?Here in the question it is given that,
Reptile stickers come in sheets of 10Fish stickers come in sheets of 25Antonio buys the same number of both types of stickersHe buys at least 100 of each typeWe have to find the least number of sheets of each type he might buy.
First we have to find the LCM(Least Common Multiple) of 10 and 25
10 = 2 × 5
25 = 5 × 5
LCM(10,25) = 2 × 5 = 50
But he buys at least 100 of each type, then we recall the multiples of 18 to find the least number which is nearest to 100.
Multiples of 50 = 50, 100, 150,...
The number nearest to 100 is 100 itself.
Hence 100 is the least number of sheets of each type he might buy given that reptile stickers come in sheets of 10 and fish stickers come in sheets of 25 and Antonio buys the same number of both types of stickers and he buys at least 100 of each type.
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Franco has decorating ribbon that is 18 3/4 feet long to be used for gift packages
PART A
Each package requires 2 1/2 feet of ribbon. Which solution shows how many packages Can Franco can decorate with his ribbon?
Answers
Answer:
D!
Step-by-step explanation:
Please help me as soon as possible!
Thank you in advance!
Answers
Answer:
A) 15
Step-by-step explanation:
a = 3 b = 5 c = 7
a + b + c
3 + 5 + 7 = 15
Answer:
I believe it is A 15
Step-by-step explanation:
20. Abiona dives from a platform that is 5 meters above water. Her dive takes
her 2.1 meters below the surface of the water. Which expression could
represent the distance, in meters, that Abiona dives? Select all that apply.
015-(-2.1)|
O 1-(2.1)-(-5)|
0 12.1-51
01-(2.1) - 51
O 15+(-2.1)|
17 Odd and Subtract Rational Numbers
Answers
The expression that could represent the distance, in meters, that Abiona dives will be:
5 - (-2.1)
5 + 2.1
How to calculate the expression?From the information, Abiona dives from a platform that is 5 meters above water. Her dive takes her 2.1 meters below the surface of the water.
The appropriate expression will be:
= 5.1 - (-2.1)
= 5.1 + 2.1
= 7.2
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