Answer:
99.85%
Step-by-step explanation:
The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 10.4 years; the standard deviation is 1.9 years.
Use the empirical rule (68-95-99.7%) to estimate the probability of a meerkat living less than 16.1 years.
Solution:
The empirical rule states that for a normal distribution most of the data fall within three standard deviations (σ) of the mean (µ). That is 68% of the data falls within the first standard deviation (µ ± σ), 95% falls within the first two standard deviations (µ ± 2σ), and 99.7% falls within the first three standard deviations (µ ± 3σ).
Therefore:
68% falls within (10.4 ± 1.9). 68% falls within 8.5 years to 12.3 years
95% falls within (10.4 ± 2*1.9). 95% falls within 6.6 years to 14.2 years
99.7% falls within (10.4 ± 3*1.9). 68% falls within 4.7 years to 16.1 years
Probability of a meerkat living less than 16.1 years = 100% - (100% - 99.7%)/2 = 100% - 0.15% = 99.85%
Answer:
13.5%
Step-by-step explanation:
Please, help! Help! Help!
Answer:
HOW DO I ANSWER THIS
Step-by-step explanation:
solve 15=2y - 5 (for homework)
y=10
2×10=20-5=15
.......
Answer:
y=10
Step-by-step explanation:
15 = 2y - 5
add 5 to both sides
15 + 5 = 2y - 5 + 5
add the numbers
20 = 5y
divide
y = 10
A rope is dropped from the helicopter and it is perpendicular to the ground. What is the distance between Jeremiah and the rope?
Answer:
About 3000 feet
Step-by-step explanation:
This is a 30,60 90 triangle, all the angles in a triangle adds up to 180.
Use sin ratio
sin 60 = [tex]\frac{o}{4000}[/tex] o for opposite side of triangle from the 60 degree angle
o = 4000 (sin 60) = 3464.11
Use cosine
cos 30 = [tex]\frac{a}{3464.11}[/tex] a for adjacent side of triangle from the 30 degree angle
3464.11 (cos 30) = 3000.01
5 x 1/9 x 8
please help
Answer:
4 4/9
Step-by-step explanation:
Please read short story and answer questions **50 points
Answer:
Step-by-step explanation:
A find the main idea
M -1
N -2
B -3
1- C
2-B
3-A
4-C
5- C
Hello, I Am BrotherEye
Answer:
Is This Question Still Require My Attention?
Step-by-step explanation:
14m to 140cm witch is more
Answer:
14 m is more
Step-by-step explanation:
14 meters = 1400 cm
14 x 100=1400
Answer:
14 m is more
Step-by-step explanation:
1 m = 100 cm
14 m
= 14 x 100
= 1400 cm
1400 cm > 140 cm
14 m > 140 cm
Uehehejjdjdjejjejejjdjdjejejejejejjejejejeejjd
Answer:
kgkbfkbfbk3grrkmfbhrfikrk
Answer:
thank you for the free point i guess
Step-by-step explanation:
can u mark me brainlest plz
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What is the slope of the line ?
Answer:
The slope or gradient of a line is a number that describes both the direction and the steepness of the line.
Step-by-step explanation:
Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line.
Which data set has a variation, or mean absolute deviation, similar to the data set in the given dot plot
Answer:
The anwser is C
Step-by-step explanation:
i did the test
Solve the following equation by completing the square. x2-18x+78=0
The lengths, in cm, of the sides of a triangle are 3x – 5, 2x – 1 and x + 1 (a) Write down an expression, in terms of x, for the perimeter of the triangle.
Answer: [tex]6x-5[/tex]
Step-by-step explanation:
Given
The side lengths of a triangle are [tex]3x-5, 2x-1,\text{and}\ x+1[/tex]
Perimeter(P) is the sum of the side length of the triangle i.e.
[tex]\Rightarrow P=3x-5+2x-1+x+1\\\Rightarrow P=6x-5[/tex]
Therefore, the perimeter of the triangle is [tex]6x-5[/tex]
1.2 career planning financial algebra
Needs more info about your question please
HELP DUE IN 60 MINS!
1. Slope of HE =??
2. Slope of GF =??
3. Slope of HG =??
4. Slope of EF =??
Answer:
Use coordinates of the vertices and the slope formula.
H(-3, 0), E(1, 4), F(3, 2), G(-1, -2)1. Slope of HE:
m = (4 - 0)/(1 + 3) = 12. Slope of GF:
m = (-2 - 2)/(-1 - 3) = 13. Slope of HG:
m = (-2 - 0)/(-1 + 3) = -14. Slope of EF:
m = (2 - 4)/(3 - 1) = -17.8x = 32.76
Show your work
Answer:
x=4.2
Step-by-step explanation:
7.8x = 32.76
/7.8 /7.8
x=4.2
12 + 3y = 21
Expression or Equation:
Answer:
equation
Step-by-step explanation:
12 + 3y = 21
-12. -12
__________
3y = 9
y = 3
PLEASE HELP IVE BEEN TRYING FOR HOURS!! - algebra 1
yo i need help with this question please and thank u i need the correct answer to please i will give u a brainliest as well
y = x2 + 12x + 30
8x − y
Please help I need to turn this in by today
Answer:
A
Step-by-step explanation:
Answer:
D) F = 9/5C + 32
Step-by-step explanation:
A restaurant wants to study how well its salads sell. The circle graph shows the sales over the past few days. If 5 of the salads sold were Caesar salads, how many total salads did the restaurant sell?
Answer:
20
Step-by-step explanation:
Find the length of each arc. Use the exact answer
Answer:
Option D = 16π/3 ft
Step-by-step explanation:
Arc length formula is written Mathematically as:
Arc length = 2πr × θ /360
r = 4 ft
θ = Central angle in degrees = 240°
2 × π × 4 × 240/360
8π × 240/360
8π × 20/30
16π/3 ft
So, the arc length is 16π/3 ft
A chemist has a 100 gram sample of a radioactive
material. He records the amount of radioactive material
every week for 6 weeks and obtains the data in the
table below.
look at the picture please <3 i really need this asap
Answer:
75
Step-by-step explanation:
did it 5 mins ago
|2a+1|=1 plz help and no link
Answer:
2a+1=1
or, 2a=1-1
or, 2a=0
or, a=0/2
or, a=2
Step-by-step explanation:
please check the answer correct or wrong
Solve for the value of x in the following parallelograms.
Helppp, thanksss:)
A rectangular prism has a legnth of 9 in., a width of 4 in., and a height of 1 1/2 in.
The prism is filled with cubes that have edge lengths of 1/2 in.
How many cubes are needed to fill the rectangular prism?
Enter your answer in the box.
TO FILL THE RECTANGULAR PRISM, _____ CUBES ARE NEEDED
Answer:
432 cubes
Step-by-step explanation:
V = 9 x 4 x 1.5 = 54 in³
V = 1/2 x 1/2 x 1/2 = 1/8 in³
54/(1/8) = 432 cubes
Help ASAP pls now and thank u
Answer:
A)25
Step-by-step explanation:
5 x 5 = 25
Answer:
B.......
because to work out the area of a sphere we use
4 pie (r)²
Skill
Figure A is a scale image of figure B.
Area
Figure A
Area
probi
Quiz
Prace
upo
Figure B
Verti
supp
12
2
Figure A maps to figure B with a scale factor of
7
Unit
Test
What is the value of x?
Answer:
42
Step-by-step explanation:
you have to do 12 ÷2/7 to get the answer
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Step-by-step explanation:
B the median is less than the mean
Factor each expression completely
4x² + 6x – 40
Show your work!!!
NO LINKS PLS
Answer:
4x²+6x-40
2(2x²+3x-20) factor out 2
2(2x²+8x-5x-20) split the three into a difference
2(2x(x+4)-5x-20) factor the 2 out of first pair of parenthesis
2(2x(x+4)-5(x+4)) factor the 5 out of second pair of parenthesis
2(x+4)(2x-5) factor
= 2(x+4)(2x-5)
Step-by-step explanation:
i hope this helps :)
convert 3.34 as a fraction in its simplest form
Answer:
3 17/50
Step-by-step explanation:
