Answer:
7 hours
Step-by-step explanation:
The formular of percentile is given as;
n = (P / 100) * N
where;
n = ordinal rank
P = Percentile
N = Number of values
The grades are given as;
5.5, 7, 6, 7, 6.5, 6, 9 , 6.5, 6.5 , 6.5
Arranging in increasing order;
5.5, 6, 6, 6.5, 6.5, 6.5, 6.5, 7, 7, 9
n = (81/100) * 10 = 8.1 ≈ 8
The 81st percentile is the 8th term.
The 8th term = 7
SOMEONE PLEASE HELP AND MARK AS BRAINLIEST
How many cubes with side lengths of 1/3 cm does it take to fill the prism
Answer:
Answer:48 cubes
You could fit 48 cubes with side lengths of 1/3 cm inside a rectangular prism with dimensions of 1 cm X 2 2/3 cm X 2/3 cm.
I hope it's helpful!
A boat travels 336 miles in 22hours (with a constant speed). How far can it travel in 8 hours (with the same speed)?
Answer:
122.18 miles.
Step-by-step explanation:
336miles/22hours × x miles/8hours
336 × 8 ÷ 8 = 122.18miles
good luck, i hope this helps :)
si hay 3/4 de nieve de chocolate y vainilla el resto y el resto de es de fresa qué fracción total de la nieve es de fresa?
La fraccio total de nieve de fresa es de ¼.
A car travels 20 km west of Dasma, and was seen travelling 10km to east after. Calculate the
displacement of the car.
Answer:
Step-by-step explanation:
It goes 20 km to the west.
Then it turns around
And it goes 10 km west.
The net result is that it is 10 km from the starting point and it is east of Dasma.
An experiment consists of tossing a die and then flipping a coin once if the number on the die is even. If the number on the die is odd, the coin is flipped twice. Using the notation 4HH, for example, to denote the outcome that the die comes up 4 and then the coin comes up heads, and 3HTHT to denote the outcome that the die comes up 3 followed by a head and then a tail on the coin, construct a tree diagram to show the 18 elements of the sample space SS.
For the sample space SS
(a) list the elements corresponding to the event AA that a number less than 3 occurs on the die;
(b) list the elements corresponding to the event BB that two tails occur;
(c) list the elements corresponding to the event A′A ′;
(d) list the elements corresponding to the event A′∩BA ′ ∩B;
(e) list the elements corresponding to the event A∪BA∪B.
Answer:
Kindly check attached picture for sample space.
Step-by-step explanation:
Sample space, S
S = {1HH, 1HT, 1TT, 1TH, 2H, 2T, 3HH, 3HT, 3TT, 3TH, 4H, 4T, 5HH, 5HT, 5TH, 5TT, 6H, 6T}
The tree diagram for all 18 elements in the sample space can be found in the picture attached below :
a.)
Event A ; number on die < 3
A = {1HH, 1HT, 1TT, 1TH, 2H, 2T}
b.)
Event B ; 2 tails occur :
B = {1TT, 3TT, 5TT}
QUESTIONS B, C and E are not well formatted
Find dy/dx by implicit differentiation.
cot(y) = 9x – 7y
dy/dx = ?
Answer:
Step-by-step explanation:
7.) Which of the following are some of the possible solutions for the inequality?
-9w <-54
A. 6, 7, 8, 9
B. 6,5, 4,3
C.-6, -5, -4,-3
D. -6, -7,-8,-9
Answer:
A
Step-by-step explanation:
We will solve this inequality by dividing both sides by -9.
Remember, whenever you multiply or divide both sides by a negative number, the sign must be switched.
So we get:
[tex]w>6[/tex]
The only answer that has possible solutions that are greater than 6 is A.
can someone help plz?.
Simplify completely"""
Answer:
[tex]\displaystyle \frac{2(x + 2)}{x - 10}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to RightAlgebra I
Terms/CoefficientsFactoringStep-by-step explanation:
Step 1: Define
[tex]\displaystyle \frac{2x^2 + 20x + 32}{x^2 - 2x - 80}[/tex]
Step 2: Simplify
[Fraction] Factor numerator: [tex]\displaystyle \frac{2(x + 2)(x + 8)}{x^2 - 2x - 80}[/tex][Fraction] Factor denominator: [tex]\displaystyle \frac{2(x + 2)(x + 8)}{(x - 10)(x + 8)}[/tex][Fraction] Divide: [tex]\displaystyle \frac{2(x + 2)}{x - 10}[/tex]help me i need help pls pls pls
Answer:
B.…….................
Mark swims 14 miles a day, 5 days a week. How many miles does he swim in 3 days?
Answer:
42 miles
Step-by-step explanation:
If Mark swims 14 miles a day, all you have to do to find how many miles he swims in 3 days is mulitply 14 by 3. Thats how you get the answer of 42!
:)
Tom buys 4 tickets for a concert. The total cost is $85,60. How much does he pay
for each ticket?
Answer:
$21.40 for each ticket
Step-by-step explanation:
Answer:
$21.1
Step-by-step explanation:
If x = 4 units, y = 8 units, and h = 7 units, find the area of the parallelogram shown above using decomposition. A. 28 square units B. 56 square units C. 84 square units D. 112 square units
Answer:
a
Step-by-step explanation:
area of parallelogram is equal to base times height 7 * 4
A new car has a sticker price $20,880, while the invoice price paid on it was
$17,920. What is the percent amount of markup?
A. 14.18%
B. 16.52%
C. 46.19%
D. 53.81%
SUBMIT
Answer:
16.52
Step-by-step explanation:
classify the triangle by its sides, and then by angles
Answer:
riangles can be classified by their sides and by their angles. ... If no sides are the same length, then it is a scalene triangle. If two sides are the same length, then it is an isosceles triangle. If all three sides are the same length, then it is an equilateral triangle.
Step-by-step explanation:
f(x)=-12x^3-14x^2+6x
I NEED THIS ANSWERED ASAP!!! A bicycle wheel makes five rotations. The bicycle travels 44.48 ft. Find the diameter of the wheel in inches. Use 3.14 for π.
Use intercepts to graph the linear equation –2x + 6y =18
Answer:
First, you solve for y, then you graph the equation.
See picture for how to solve for y (aka put in slope intercept form) and graph.
1/3 is the slope and 3 is the y intercept
Step-by-step explanation:
see photos
the relationship described is linear or expor
Mandy is training for a half marathon.
She runs 4 miles this weekend. For the
next several weeks she plans to increase
her distance by 10% each weekend.
Answer:
Kasi
Step-by-step explanation:
kasi mapiti itlog ko
owrite down the name of each of these triangles
Answer:
sry I don't know.
if someone answer tell me the answer I also want to know : )
Determine the x-intercept points of the function h(x) = (x – 5)(x – 6).
Question 4 options:
A)
(5,0) and (6,0)
B)
(–5,0) and (–6,0)
C)
(5,0) and (–6,0)
D)
(–5,0) and (–6,0)
translate into algebraic expression four divided by the sum of x and three
[tex]\frac{4}{x+3}[/tex]
sum is addition
What's the difference between an opened circle on a number line and a closed circle. ( Pls give an example)
Answer:
Open circle: used for < (less than) or > (greater than) because the number is not part of the solution.
Closed circle: used for ≥ (greater than or equal to) or ≤ (less than or equal to) because the number is part of the solution.
Shading:
Shade to the right for > or ≥
Shade to the left for < or ≤
Step-by-step explanation:
2 < x < 5
Place a open circle on 2 with shading to the left and a open circle on 5 with shading to the right.
4 ≤ x ≤ 10
Place a closed circle on 4 with shading to the left and a closed circle on 10 with shading to the right.
Evaluate the formula for the perimeter of a parallelogram to solve the problem. Then check all that apply.
First, write the formula for the perimeter of a parallelogram, P = 2l + 2w.
Next, use parentheses when you substitute 8 for l and 6 for w.
After multiplying, add 16 and 12.
Sulio needs 28 feet of fencing.
Sulio needs 48 feet of fencing.
Answer:A-B-C-D
Step-by-step explanation:
Answer:
1234
Step-by-step explanation:
i took the test
Nora is going to invest $9,600 and leave it in an account for 8 years.
Assuming the interest is compounded continuously, what interest rate,
to the nearest hundredth of a percent, would be required in order for
Nora to end up with $14,400?
Answer:
The answer is 5.07%, I just did this :)
Estimate a 15% tip on a dinner bill of $83.53 by first rounding the bill amount to the nearest ten dollars.
Answer:
the tip amount is $12
Step-by-step explanation:
The computation of the tip amount is shown below:
But before that rounded the dinner bill to the nearest ten dollars i.e. $80
Now the tip amount is
= Dinner bill × tip percentage
= $80 × 15%
= $12
Hence, the tip amount is $12
A hailstone falls from a cloud at a height of 1,600 ft. If the equation for height as a function of time is h(t) = -16t2 + initial height where t is time in seconds and h(t) is height in feet, how many seconds will it take for the hailstone to hit the ground? [?] seconds
Answer:
10 seconds
Step-by-step explanation:
The function is
[tex]h(t)=-16t^2+\text{Initial height}[/tex]
Initial height = 1600 ft
t = Time taken
[tex]0=-16t^2+1600[/tex]
[tex]\Rightarrow -16t^2=-1600[/tex]
[tex]\Rightarrow t^2=\dfrac{1600}{16}[/tex]
[tex]\Rightarrow t^2=100\\\Rightarrow t=\pm 10[/tex]
So, time taken by the hailstone to reach the ground is [tex]10\ \text{seconds}[/tex].
Answer:
10 seconds
Step-by-step explanation:
Draw the image of the following segment after a dilation centered at the origin with a scale factor of 2/3
Answer:
Step-by-step explanation:
Let the ends of the given segment are A and B.
Coordinates of A → (8, 6)
Coordinates of B → (12, 12)
If a point (x, y) is dilated by a scale factor 'k' about the origin, rule to be followed,
(x, y) → (kx, ky)
If k = [tex]\frac{2}{3}[/tex]
(x, y) → [tex](\frac{2}{3}x, \frac{2}{3}y)[/tex]
By this rule coordinates of the image points of A and B will be,
A(8, 6) → [tex]A'(\frac{2\times 8}{3},\frac{2\times 6}{3})[/tex]
→ A'(5.3, 4)
B(12, 12) → [tex]B'(\frac{12\times 2}{3}, \frac{12\times 2}{3})[/tex]
→ B'(8, 8)
Now we can get the image of segment AB after dilation by a scale factor of [tex]\frac{2}{3}[/tex].
5 km
5 km
7 km
Find the surface area
Answer:
190km
Step-by-step explanation:
2(wl + hl + hw)
2 · (5 · 7 + 5 · 7 + 5 · 5) = 190
good luck, i hope this helps :)
