Answer:
B
Step-by-step explanation:
The options a. the student lives on campus b. the student's parents graduated from e.college Student is dating are dummy variables.
What is dummy variable?Dummy variables are those variables where we use 0 and 1 to represent categorical variables, like yes or no, etc.
student lives on campus is a dummy variable because it can be answered as yes or no
student’s parents graduated from college is a dummy variable because it can be answered as yes or no
Student GPA and number of hours are not dummy because these are not categorical variable
Student is dating is dummy variable because it can be answered as yes or no
number of alcoholic drinks is not dummy variable because it is not categorical variable.
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Find the measure of HJK
Answer:
m<HJK = 40°
Step-by-step explanation:
Given:
m<HJK = 3x - 2
m<KJL = 50°
Required:
m<HJK
Solution:
m<HJK + m<KJL = 90° (complementary angle)
Substitute
3x - 2 + 50 = 90
Add like terms
3x + 48 = 90
3x + 48 - 48 = 90 - 48
3x = 42
3x/3 = 42/3
x = 14
✅m<HJK = 3x - 2
Plug in the value of x
m<HJK = 3(14) - 2 = 42 - 2
m<HJK = 40°
ADD TEXT Find the 14th term of the sequence: 2, 4, 8, 16...
a.4096
b.8192
c.16384
d.65536
Answer:
it's actually 32,768 so yeah
but choose either c or d
Milton purchases a 5-gallon aquarium for his bedroom. To fill the aquarium with water, he uses a container with a capacity of 1 quart.How many times will Milton fill and empty the container before the
aquarium is full?
Answer:
5-gallon = 20 quarts
4 quarts is a gallon 4 x 5 = 20 quarts
Evaluate the expression (2x + 5)2 -3x at the value x = -1
Answer:
2
Step-by-step explanation:
A group of cat owners was asked about the number of cats each owns. The results are shown in the frequency table. Number of Frequency cats 1 2 2 3 3 3 1 4 4 Which dot plot correctly shows the data? Cats Owned O A. 3 Number of cats Cats Owned B. 2 3 Number of cats Cats Owned 2 Number of cats Cats Owned
Answer:
Cats Owned B. 2 3
Hope I helped! :)
Enter "y" or "n" to tell which value of x that make each equation or inequality true.
Answer:
First row (2x + 5 = 9) is N Y N
Second row (2x + 5 < 9) is Y N Y
Third Row (2x+ 5 _< 9) is N Y Y
HELP MEEE! I NEED IT RIGHT NOW!
Answer:1/16 for each of us
Step-by-step explanation:
Since only 1/4 is left and you and the teachers are splitting it up,you’d get 1/16 each because the half of 1/4 (1/8) was split into 2 (1/16)
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
The histogram shows the number of people in different age groups who visited Rays coffee shop on a Tuesday morning.
Number of Customers in Different Age Groups
36
30
Number of Customers
24
18
12
6
0-
15-18
27-30
19-22 23-26
Age in Years
48
30
6
60
the maximum customer age recorded in
the histogram
Answer:
The maximum customer age recorded in the hisorograhm would be 30
The differiance of 27-30 and 19-22 would be 6
The total number of cutomers would be 60
The total number of people under 23 is 42
Answer:
the number of customers less than 23 years old recorded in the histogram: 42
the difference of the number of
customers in the age groups 27–30 and
19–22 recorded in the histogram: 6
the maximum customer age recorded in
the histogram: 30
the total number of customers recorded in
the histogram: 60
Step-by-step explanation:
Practice:
For the given central angle, determine the distance traveled along the unit circle from the point (1, 0)
-112°
a. 0.98 units
b. 0.62 units
c. 0.62 units clockwise
d. 1.95 units clockwise
Please select the best answer from the choices provided
Answer:
D. 1.95 units clockwise
Step-by-step explanation:
I calculated it logically
ANSWER FAST
NO LINKS
23=x-13
9+x=14
12=x+8
Answer:
23=x-13, x=36
9+x=14, x=5
12=x+8, x=4
Step-by-step explanation:
23=x-13. You want to isolate x so you have to add 13 to both sides. x=23+13, x=36
9+x=14. You want to isolate x so you have to subtract 9 from both sides. x=14-9, x=5.
12=x+8. You want to isolate x so you have to subtract 8 from both sides. x=4.
If this has helped please mark as brainliest
Which of the following expressions can be set
equal to 2.74x - 7.9 to form an equation that
has no solution?
A 2.74x - 7.9
B 7.9x - 7.9
C 2.74x + 7.9
D 7.9x + 2.74
Given:
The expression is:
[tex]2.74x-7.9[/tex]
To find:
The expressions that can be set equal to the given expression to form an equation that has no solution.
Solution:
We have,
[tex]2.74x-7.9[/tex] ...(i)
An expression whose constant term is different from the given expression but the variable term is same as the given expression, i.e., 2.74, is the required expression.
The expression with same variable term and different constant term is:
[tex]2.74x+7.9[/tex] ...(ii)
Because on equating (i) and (ii), we get
[tex]2.74x-7.9=2.74x+7.9[/tex]
[tex]-7.9=7.9[/tex]
This statement is false for any value of x. So, the equation [tex]2.74x-7.9=2.74x+7.9[/tex] has no solution.
Therefore, the correct option is C.
Which values make this equation true?
√m + √n = √p
Answer:
all Real numbers?
Step-by-step explanation:
with each pair of (m;n) we have one value of p
Find the missing number in each sequence
Will give Brainliest
Answer:
8. 24.5
9. 29.6
Step-by-step explanation:
Answer:
8. 24.5
9. 29.6
Step-by-step explanation:
FRACTION. 24.5 as a Fraction in simplest form 24 1/2
29.6 as a fraction is 29 3/5
plz mark brainly
Which function has a range of y < 3?
Answer:
C. y=-(2)^x + 3
A circle has a circumference of 113.04 units.
Answer:
The answer may or may not be either the diameter is 36 units, or the radius is 18 units.
Step-by-step explanation:
Since there is no question, then I am just assuming the question is what is the diameter or the radius. You would find this by dividing the circumference by pi:
113.04 / 3.14 = the diameter is 36
36 / 2 = the radius is 18
I hope this was helpful!!! Could I get brainliest?
Have a nice day!!
A manufacturer has 5,634 pens to divide into packs of 4 pens. The manufacturer makes as many packs as possible.
How many packs of pens does the manufacturer make, and how many pens are left over?
Answer:
1408 packs
2 pens left over
Step-by-step explanation:
5634 / 4 = 1,408.5
half a pack is 2 pens
1408 packs
2 pens left over
PLEASE HELP ME PLEASEE !
Answer:
[tex]\sigma = 0.831[/tex] --- Standard deviation
[tex]Mode = 10[/tex]
Step-by-step explanation:
Given
[tex]x = 9,8,10,9,8,10,9,10,8,10[/tex]
Solving (a): The population standard deviation
First, we calculate the mean
[tex]\bar x = \frac{\sum x}{n}[/tex]
So, we have:
[tex]\bar x = \frac{9+8+10+9+8+10+9+10+8+10}{10}[/tex]
[tex]\bar x = \frac{91}{10}[/tex]
[tex]\bar x = 9.1[/tex]
The standard deviation is:
[tex]\sigma = \sqrt{\frac{1}{n}\sum (x - \bar x)^2}[/tex]
So, we have:
[tex]\sigma = \sqrt{\frac{1}{10}*[(9 - 9.1)^2+.................+(10- 9.1)^2]}[/tex]
[tex]\sigma = \sqrt{\frac{1}{10}*6.9}[/tex]
[tex]\sigma = \sqrt{0.69}[/tex]
[tex]\sigma = 0.831[/tex]
The mode is:
[tex]Mode = 10[/tex]
10 has the highest frequency of 4
Hi, i need to calculate roots x1 and x2 using the vieta theorem, can anyone help me? I have found the answer (1,5 ;2), all i need is a solution on how to get this answer, the equation is in the picture, will give you brainliest if you type down the correct solution for me, thanks.
9514 1404 393
Answer:
x = 3/2 or 2
Step-by-step explanation:
Essentially, what you're looking for is a pair of factors of (-2)(-6) = 12 that have a sum of 7. The factors 3 and 4 have that sum, so we can write ...
-2x² +3x +4x -6 = 0
x(-2x+3) -2(-2x+3) = 0
(x -2)(-2x +3) = 0
The roots are the values of x that make these factors zero.
x -2 = 0 ⇒ x = 2
-2x +3 = 0 ⇒ x = 3/2
These are consistent with Vieta's theorem, which tells you the sum of roots is -b/a = -7/-2 = 7/2. The sum of the two roots we found is 4/2 +3/2 = 7/2.
The product of roots is c/a = -6/-2 = 3. The product of the two roots we found is 2(3/2) = 3.
_____
Additional comment
I find it easier to find integer factors of integers than to find fractional factors of an integer. The direct use of Vieta's theorem would have you looking for factors of 3 that have a sum of 7/2. It seems easier to me to look for integer factors of 12 that have a sum of 7.
Answer:
Solution given:
-2x²+7x-6=0
2x²-7x+6=0
Comparing above equation with ax²+bx+c
we get
a=2
b=-7
c=6
By using Vieta's theorem
X1+X2=[tex] \frac{-b}{a} [/tex]=[tex] \frac{7}{2} [/tex]
again
X1X2=[tex] \frac{c}{a} [/tex]=[tex] \frac{6}{2} [/tex]=3
please help no links or i will report
Which of the following is equal to 4.6?
A.
1
.
6
+
(
3
×
4
)
−
2
÷
2
B.
1
.
6
+
3
×
4
−
2
÷
2
C.
[
1
.
6
+
(
3
×
4
)
]
−
(
2
÷
2
)
D.
(
1
.
6
+
3
)
×
(
4
−
2
)
÷
2
9514 1404 393
Answer:
D. (1.6 + 3) × (4 − 2) ÷ 2
Step-by-step explanation:
The order of operations requires that multiplication and division be done in order of appearance, left to right, before addition and subtraction. Operations in parentheses take priority.
To get 4.6, you need to add 3 to 1.6. The various forms of 3×4-2÷2 all give 12-1 = 11, not 3.
The grouping that gets it right is ...
(1.6 + 3) × (4 − 2) ÷ 2
= 4.6×2÷2
= 9.2÷2
= 4.6
Answer:
D Hope you have a goooooooood dayyyyy ☜(゚ヮ゚☜)(¬‿¬)
Step-by-step explanation:
I need help Asap , please.
LOL LOL LOL LOL LOL LOL LOl LOL
which features describe the graph of y^2/96^2 - x^2/40^2 = 1? select two options
◽️a focus at (104, 0)
◽️a focus at (0, - 96)
◽️a vertex at (- 40, 0)
◽️a vertex at (0, 96)
◽️the center at (0, 0)
Answer: d and e
Step-by-step explanation:
Edge 2021
The option describes graph 4. a vertex at (0, 96), and 5. the center at (0, 0) from the given equation [tex]\dfrac{y^2}{96^2} - \dfrac{x^2}{40^2} = 1[/tex]
What is a system of equations?A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
The given equation is
[tex]\dfrac{y^2}{96^2} - \dfrac{x^2}{40^2} = 1[/tex]
From the given equation,
a = 40
b = 96
(h,k) = (0,0),
The vertices are at (0,96) and at (0, -96).
The curves open upward and downward.
c² = a² + b²
c² = 40² + 96²
c² = 10816
c = 104
Therefore the foci are at (0, -104) and (0, 104).
Hence, the option describes the graph
4. a vertex at (0, 96) is correct.
5. the center at (0, 0) is correct.
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I need this please help me
9514 1404 393
Answer:
B, C, D
Step-by-step explanation:
In this diagram, all of the acute angles are congruent. Those are angles 2, 4, 6, and 75°. Similarly, all of the obtuse angles are congruent. They are supplementary to the acute angles, so we have angles 1, 3, (x-15)°, and 5 all have measure 180° -75° = 105°.
This means x = 105° +15° = 120°.
The true statements are ...
B. angle 2 = angle 6
C. x = 120°
D. angle 1 and angle 6 are supplementary
Are the two triangles similar? Explain your answer.
Answer:
i think the triangles are similiar because its the same shape. It also has the same degrees but different letters !! Hope this helps.
Answer:
yes it is, but the only difference is the size
Step-by-step explanation:
John is 4 feet 8 inches tall. His older brother, Mark, is 6 feet 4 inches tall.
How much taller is Mark than John?
Answer:
6'4"=76"
4'8"=56"
76-56=20
20"=1'8"
Mark is 1.66663 feet taller than John.
What is Unit conversion?The same attribute is expressed using a unit conversion, but in a different unit of measurement.
For instance, time can be expressed in minutes rather than hours, and distance can be expressed in kilometres, feet, or any other measurement unit instead of miles.
Given:
John is 4 feet 8 inches tall.
= 4+ 8(0.0833333)
= 4+ 0.666667
= 4.6666667 feet
Mark, is 6 feet 4 inches tall
= 6 + 4 (0.0833333)
= 6+ 0.33333
= 6.3333 feet
So, Mark is = 6.33333- 4.66667 = 1.66663 feet taller
Hence, Mark is 1.66663 feet taller than John.
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The population of a city increases by 4.7% per year. If this
year's population is 77,000, what will next year's population
be, to the nearest individual?
The Unit Circle
What is the domain of a cosine function?
a. irrational numbers
b. All real numbers
c. rational numbers
d. positive integers
Please select the best answer from the choices provided
Answer:
B. All real numbers
Step-by-step explanation:
I calculated it logically
Answer:
B) All real numbers
The graph of the cosine function looks like this: The domain of the function y=cos(x) is all real numbers (cosine is defined for any angle measure), the range is −1≤y≤1 .
Angles of Triangles Scavenger Hunt Answer Key
Julie has basketball practice every 6 days and track practice every 4 days. In how many days will she have both basketball and track practice
Answer: 12 days
Step-by-step explanation:
For us to know the number of days whereby Julie will have both basketball and track practice, we've to find the lowest common multiple of both 6 and 4. This will be:
Multiples of 4 = 4, 8, 12, 16, 24.
Multiples of 6 = 6, 12, 18, 24, 30.
The lowest common multiple is 12. Therefore, she'll have basketball and track practice in 12 days
3 classes have 29 students each 2 classes have 28 students each how many zoo maps does keeper Christina need for all the students
Answer:
I think it might be 143 I could be wrong tho.
9514 1404 393
Answer:
143 maps
Step-by-step explanation:
The total number of students is ...
3×29 + 2×28 = 87 +56 = 143
If each student gets a map, the number of maps needed is 143.
_____
Additional comment
You might be able to figure this in your head as ...
3×29 +2×28 = 3×(28+1) +2×28 = 5×28 +3 = 140 +3 = 143
Or as ...
3(30 -1) +2(30 -2) = 5(30) -3 -4 = 150 -7 = 143
What is the radius of a sphere with a volume of 1203 cm', to the nearest tenth of a
centimeter?
Answer:
The radius of the sphere is of 6.6 centimeters.
Step-by-step explanation:
Volume of an sphere:
The volume of an sphere of radius r is given by:
[tex]V = \frac{4\pi r^3}{3}[/tex]
In this question:
[tex]V = 1203 \text{cm}^{3}[/tex]
Replacing into the equation, we find the radius, in centimeters. So
[tex]V = \frac{4\pi r^3}{3}[/tex]
[tex]1203 = \frac{4\pi r^3}{3}[/tex]
[tex]r^3 = \frac{1203*3}{4\pi}[/tex]
[tex]r = \sqrt[3]{\frac{1203*3}{4\pi}}[/tex]
[tex]r = 6.6[/tex]
The radius of the sphere is of 6.6 centimeters.