Answer: k I'm done
Step-by-step explanation: have a nice day
Answer:
cant download doc
Step-by-step explanation:
5, 7, 7, 8, 10, 11, 12, 15, 17. Q1 = 7, Q2 = 11, Q3 = 15 Q1 = 7, Q2 = 10, Q3 = 13.5 Q1 = 6, Q2 = 9, Q3 = 12 Q1 = 7.5, Q2 = 10.5, Q3 = 13.5
Answer:
[tex]Q_1 = 7[/tex]
[tex]Q_2 = 10[/tex]
[tex]Q_3 = 13.5[/tex]
Step-by-step explanation:
Given
5, 7, 7, 8, 10, 11, 12, 15, 17.
Required
Determine Q1, Q2 and Q3
The number of data is 9
Calculating Q1:
Q1 is calculated as:
[tex]Q_1 = \frac{1}{4}(N + 1)[/tex]
Substitute 9 for N
[tex]Q_1 = \frac{1}{4}(9 + 1)[/tex]
[tex]Q_1 = \frac{1}{4}*10[/tex]
[tex]Q_1 = 2.5th\ item[/tex]
This means that the Q1 is the mean of the 2nd and 3rd data.
So:
[tex]Q_1 = \frac{1}{2}(7+7)[/tex]
[tex]Q_1 = \frac{1}{2}*14[/tex]
[tex]Q_1 = 7[/tex]
Calculating Q2:
Q2 is calculated as:
[tex]Q_2 = \frac{1}{2}(N + 1)[/tex]
Substitute 9 for N
[tex]Q_2 = \frac{1}{2}(9 + 1)[/tex]
[tex]Q_2 = \frac{1}{2}*10[/tex]
[tex]Q_2 = 5th\ item[/tex]
[tex]Q_2 = 10[/tex]
Calculating Q3:
Q3 is calculated as:
[tex]Q_3 = \frac{3}{4}(N + 1)[/tex]
Substitute 9 for N
[tex]Q_3 = \frac{3}{4}(9 + 1)[/tex]
[tex]Q_3 = \frac{3}{4}*10[/tex]
[tex]Q_3 = 7.5th\ item[/tex]
This means that the Q3 is the mean of the 7th and 8th data.
So:
[tex]Q_3 = \frac{1}{2}(12+15)[/tex]
[tex]Q_3 = \frac{1}{2}*27[/tex]
[tex]Q_3 = 13.5[/tex]
Rotate the point (7,8) around the origin 90 degrees counterclockwise.
State the image of the point.
(-8,7)
(8,-7)
(8,7)
(-7,-8)
Heng tried to define a reflection across line r.
Any point M not on the line of reflection maps to a point M' such that the midpoint L of M→M' is on line r.
Which counterexample shows that Heng's definition does not fully define a reflection?
The counterexample shows that Heng's definition does not fully define a reflection is Heny fully defined a reflection. Option D
How to determine the counterexampleConsider the counterexample in which point M is above line r and the line itself is a vertical line.
Assume M is located at (0, 2) and that line r is the x = 1 line. Heng's definition states that point M', which has a midpoint L that is on line r, should reflect point M across line r.
However, point M' at (-1, 2) would be the reflection of point M across line r, which does not meet the requirement that the midpoint L lies on line r. Therefore, in this counterexample, Heng's definition does not adequately characterize a reflection.
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Oliver makes blueberry jam every year. The number of pints of jam he makes this year can be represented by the expression 4p - 9
Oliver made 8 pints of jam last year. How many pints does he make this year?
Answer:
23 pints
Step-by-step explanation:
Plug in 8 pints for p and solve
4*8-9
32-9
23 pints this year.
Answer:
23
Step-by-step explanation:
PLZ HELP
For each value of u , determine whether it is a solution to 8u+6>-10.
2: yes or no
-7: yes or no
-2: yes or no
5: yes or no
Jose rents a bike for $4 plus
$2.50 per hour. Elaine rents a
moped for $10 plus $1 per
hour. Write and solve the
system of equations to
determine at what point they
spend the same amount.
Answer:
4 hours
Step-by-step explanation:
Step One: Define Variables -Let x be the # of hours spent using the vehicles
Step Two: Make Equations -Jose: 4 + 2.5x
Elaine: 10 + x
Step Three: Solve -If they spend the same amount then that means:
Elaine's price = Jose's price, therefore:
4 + 2.5x = 10 + x
1.5x = 6
x = 4
At 4 hours, both prices are the same.
Answer:
They spend the same amount after 4 hours
Which of these expressions is equivalent to – 4(5 – 2x)?
Answer:
-20+8x
Step-by-step explanation:
Answer:
-20 + 8x
Step-by-step explanation:
[tex]-4(5-2x)\\\\-20+8x\\\\\left \{ {{-4 * 5 = 20} \atop {-4 * -2x = 8x}} \right.[/tex]
Hope this helps.
Abby has a collection of 61 dimes and nickels worth $4.40.How many nickels does she have?
9514 1404 393
Answer:
34
Step-by-step explanation:
Let x represent the number of nickels Abby has. Then the number of dimes is 61-x. The total value of the coins, in cents, is ...
5x +10(61-x) = 440
-5x +610 = 440 . . . . . simplify
x - 122 = -88 . . . . . . . .divide by -5
x = 34 . . . . . . . . . . . . add 122
Abby has 34 nickels in her collection of coins.
There is a 10% chance of rain tomorrow. A spinner with 10 sections is spun to simulate the probability of rain. If the results are 3, 6, 1, 8, and 3, then what is the difference in the experimental probability from the simulation and the prediction?
Answer:
On the simulation prediction you got a 10% chance
While in the experimental one the average is 42%
which statements are true about rectangle ABCD?
Answer:
the answer will be B and D
Step-by-step explanation:
Can somebody give the answer pls
Answer: OOO I KNOW THE FOURTH ONE
Step-by-step explanation: y^2 + z^2 = x^2
Answer:
D
Step-by-step explanation:
According to the Pythagorean's theorem, in a right triangle, the sum of the adjacent side squared and opposite side squared is equal to the hypotenuse squared in other words
[tex]y^{2} + z^{2} = x^{2}[/tex]
Please Answer
6. Find mABC
7. If mPQ =(5x +17)° , find x.
8. Find m∠1
Answer:
The answer is
252
25.4
125
Helpppppppppppppppppp is this right
Answer:
The first one is B and the second one is correct
Step-by-step explanation:
Answer:
I think 1 is actually B and 2 is right -Your friend, Bill Cipher
Step-by-step explanation:
Sal has 3 of a sheet of poster board. Four friends are sharing the sheet equally. What fraction of the original sheet does each friend get?
Answer:
Step-by-step explanation:
3 sheets are shared between four friends.
Each friends will get = 3 ÷ 4
= [tex]\frac{3}{4}[/tex]
What is the slope (15, 8), (-17, 9)
Answer:
m = -1/32
Step-by-step explanation:
Using The graph below identify the axis of symmetry for the parabola below 
Answer:
x=-3
Step-by-step explanation:
The axis of symmetry is the line that separates a parabola directly in half. It is measure on x axis because it is being split in terms of that number. Next, you identify the origin and find exactly where the parabola is in half and that is your answer. Another way to do this would be to identify the vertex of the parabola. The answer is the x coordinate of the location of the vertex. (The highest point of a parabola.)
A video game player is in the shape of a rectangular prism. It has a length of 20 inches, a width of 11.4 inches, and a height of 3.5 inches. What is the volume of the video game player in cubic inches?
Answer:
798
Step-by-step explanation:
On a windless day In Janurafy, Carl ties 300 helium filled balloons to his lawn chair 80ft from his 20ft tall house, and begins a vergical ascent into the sky. Hos high is carl when the angle lf depression from carl to the top of his house is 42°
Answer:
The answer is below
Step-by-step explanation:
θ = 90° - 42° = 48°
The angle formed is a right angled triangle, therefore trigonometric identities can be used to find the length of the triangle sides.
tan(θ) = opposite / adjacent
tan(48) = 80 / h
h = 80 / tan(48)
h = 72.03 ft
h is the vertical distance from carl to the top of his house, to get his total height to the ground (H), we use:
H = h + height of house
H = 72.03 + 20
H = 92.03 ft
Therefore Carl is 92.03 ft high
can someone please help,, its 8th grade math
Solve the following equation for x: (2/3)x = 10 *
x = 8
x = 5
x = 15
x = 30
Answer:
the answer is x=15
I am sure
Answer:
x = 15
Step-by-step explanation:
(2/3)x = 10
(2/3x) * 3 = 10 * 3
2x ÷ 2 = 30 ÷ 2
x = 15
Find an expression which represents the difference when (6x-3y) is subtracted from (9x+2y) in simplest terms.
Answer:
[tex]3x+5y[/tex]
Step-by-step explanation:
Subtract (6x-3y) from (9x+2y):
[tex](9x+2y)-(6x-3y)[/tex]
This can also be seen as:
[tex](9x+2y)-1(6x-3y)[/tex]
Distribute the -1 to (6x-3y):
[tex](9x+2y)-1(6x)-1(-3y)\\\\(9x+2y)-6x+3y[/tex]
Simplify the parentheses:
[tex]9x+2y-6x+3y[/tex]
Group like terms:
[tex](9x-6x)+(2y+3y)[/tex]
Combine:
[tex]3x+5y[/tex]
This expression can't be further simplified. Therefore, 3x+5y is the answer.
:Done
A person who is 6 feet tall is standing 120 feet from the base of a tree, and the tree casts a 130 foot shadow. The person's shadow is 10 feet in length. What is the height of the tree?
Answer:
the tree is 65 feet high.
Step-by-step explanation:
let 'x' be the height of the tree
draw the tree, the person and the shadows - notice the similar triangles
the following proportion counts
x : 5 = 130 : 10
x = (5*130)/10
x = 65 feet
PLEASE HELP ME ANSWER THIS QUESTION!!!!!!!!!!!!!!
Answer:
A
Step-by-step explanation:
8 pomegranates cost $20.24.
How many full pomegranates can you buy for $50?
plz help
Answer:
19.76
Step-by-step explanation:
8/20.24=x/50
cross product
20.24*x=8*50
20.24x=400
x=400/20.24
x=19.76
Sam is studying a geometric drawing. He observes that ZPQR and ZAQB
are obtuse vertical angles and that ZQPR and ZQAB are congruent. He
proves that PQ = AQ. Which postulate uses Sam's information to prove
that APQR - AAQB?
Answer:
it would be ASA
Step-by-step explanation:
∡QAB ≅ ∡QPR
side AQ ≅ side AP
∡QAB ≅ ∡QPR
Suppose a constellation of stars is plotted on a coordinate plane. The coordinates of the first star are (–2, 4). The second star is translated down 4 units. What are the new coordinates?
Answer:
Coords (-2,0)
Step-by-step explanation:
Translation means moving the point in the direction that is stated by the amount stated. Down means decreasing the number value along the y-intercept. So using simple math subtract 4 by 4 and you get 0. Since we don't move the left or right which means going along the x-intercept lines. We get (-2,0)
Ethan and Bob are having a skateboard race. Ethan began at the starting line
and rode at a constant rate of two feet per second. Bob had a fourteen-foot
head start and rode three feet every five seconds.
What's is the linear equation
Answer:
aa
Step-by-step explanation:
aa
Find the surface area of a cylinder with a base radius of 4 yards and a height of 9 yards
Answer:
i think 72 yards
Step-by-step explanation:
4×2=8 8×9=72 (note iam still in seven grade iam not sure of my answer
please with full explanation please it's urgent
Answer:
u have some very good handwriting
A linear sequence starts a + 2b, a + 6b, a+10b
The 2nd term has value 8 and the 5th has value 44
Work out the values of a and b
Answer:
a = -12
b = 3
Step-by-step explanation:
second term = a + 6b
to find the 5th term, notice the pattern (since this is a linear equation, each term increases by the same amount) and each term increases by 4b: 2b -> 6b -> 10b.
therefore, the 4th term would be a+14b and the 5th would be a+18b
so a + 6b = 8
and a + 18b = 44
u now have two simultaneous equations, which can be solved through substitution or elimination. I'm gonna use elimination because it's quicker in this case:
[tex]a + 6b = 8\\- (a + 18b = 44)\\ -12b = -36\\b = 3[/tex]
steps: (since the a would cancel out by subtracting, subtract then solve for b. divide by -12 on both sides to isolate the b)
now that u know the value of b, substitute it into an equation to solve for a:
a + 6b = 8
a + 6(3) = 8
a + 24 = 8
a = 8 - 24
a = -16
hope this helps!
There are x students in Ms, Smith's class and 3/4 of them like pizza. If 21 of the
students like pizza, which equation can be used to find the number of students in
the class?
Answer:
3/4 of 21
Step-by-step explanation:
The equation which can be used to find the number of students in the class is [tex]\frac{3}{4} \times x = 21[/tex].
Let us denote the total number of students in Ms. Smith's class as "x".
We are given that 3/4 of the students in the class like pizza, and this amounts to 21 students.
We can set up the following equation to represent this information:
[tex]\frac{3}{4} \times x = 21[/tex]
In this equation, (3/4) represents the fraction of students who like pizza, and we multiply it by "x" to find the total number of students who like pizza. This expression should be equal to 21.
Hence, [tex]\frac{3}{4} \times x = 21[/tex] is the equation can be used to find the number of students in the class.
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