Answer:
0.67894
Step-by-step explanation:
Given that :
Lifespan of zebra is normally distributed :
Mean(μ) = 20.5
Standard deviation (σ) = 3.93
Probability of Zebra living between 16. 6 to 24.4 years
Using the empirical rule :
Z = (x - μ) / σ
For : P(Z < x ) ; X = 16.6
Z = (16.6 - 20.5) / 3.93
Z = - 0.9923
P(Z < - 0.9923) = 0.16053
For : P(Z < X) ; X = 24.4
Z = (24.4 - 20.5) / 3.93
Z = 0.9923
P(Z < 0.9923) = 0.83947
Hence,
0.83947 - 0.16053 = 0.67894
Answer:
68%
Step-by-step explanation:
(a) A(-4,-10) and B(8,6)
Slope:
Midpoint:
Distance:
pls hlep
Answer:
slope: 4/3
Midpoint: (2,-2)
distance : 20
Step-by-step explanation:
you can find the slop by m=y2-y1/x2-x1
m= 6-(-10)/8-(-4) m=4/3
use the midpoint formula: (x₁ + x₂)/2, (y₁ + y₂)/2 and we get (2,-2)
distance formula- [tex]\sqrt{(x2-x1)+(y2-y1)[/tex]
the distance is the square root of 400 which is 20
The sum of a number x and 7 is at least 16
HELP TIMED TEST WILL GIVE BRAINLIEST !!
Which pair of sides is perpendicular?
A. Side 1 and Side 3
B. Side 2 and Side 3
C. Side 1 and Side 4
D. Side 2 and Side 4
Answer:
B. side 2 and side 3
Step-by-step explanation:
perpendicular if thr relationship of 2 lines that meet at a 90 degree angle which is what sides 2 and 3 do.
how do you simplify 2x3x5?
Answer:
30
Step-by-step explanation:
you simplify because you have to multiply them all together
Answer:
just multiply them!
Step-by-step explanation:
2x3x5 = 30
hope this helps :)
The fifth-grade students at Hawthorne Elementary School made an art project using two shapes of pasta. The students used 9 times as many elbow noodles as bowtie noodles. They used a total of 3,230 pieces of pasta. How many bowtie noodles did the students use?
Answer:
2,907 pieces of bowtie noodles was used by the student
Step-by-step explanation:
Here, we want to calculate the number of pieces of bowtie noodles use
Let the number of elbow noodles used be x
The number of bow tie noodles used is 9 times this and that will be 9 * x = 9x
Adding both together, we have 9x + x = 10x
Thus;
10x = 3230
x = 3230/10
x = 323 pieces
The number of pieces of bowtie noodles used will be 323 * 9 = 2,907 pieces
Please solve forx
11
12 km
9 km
type your answer...
km
Answer:
x=69
Step-by-step explanation:
when you add the side lengths you have, you will get 21. since this is a right triangle, yoy subtract by 90. so 90-21 = 69
HELP!!!
The scale on a map of Fort Landon is 2 inches = 95 miles. If the length on the map between Snake World and the International Space
Center measures 4 inches, what is the actual distance in miles?
Answer:
It would be 190 miles
Step-by-step explanation:
if a = -3 and b = 4
SOMEONE PLEASE HELP ME ON THIS
Answer:
Step-by-step explanation:
11. 5(-3)^2 - 4 - 3
5(9) - 4 - 3
45 - 7 = 38
In the diagram below, which distance represents the distance from point Q to
RS?
Answer: QT
Step-by-step explanation: This is because line QT is a straight line, in which it leads from point Q to line RS. QT is true because any other lines have angles, which add more (inaccurate) distance.
The required representation of distance from point Q to RS is QT.
What is a line?
A line is a straight distance connecting two points or more showing the shortest distance between the initial and final points.
here,
A figure is shown with a line segment RS and a point is located some distance from line RS, denoted as Q. It is to be determined which represents the distance from point Q to RS.
The shortest distance between a point and a line is the perpendicular line drawn from the point to the line, so QT is the representation of the measure of the distance from point Q to RS.
Thus, the required representation of distance from point Q to RS is QT.
Learn more about lines here:
brainly.com/question/2696693
#SPJ2
IN NEED OF HELP!!
15 POINTS!!!
Answer:
what do you need help with?
Step-by-step explanation:
❤️
I need help can someone answer this?
Answer:
-5x^2 + 2x - 3.
Step-by-step explanation:
-5x^2+2x-3.
this is right answer
At time x=0, water begins to drip steadily out of a water tank. After 3 hours , there are 6.8 gallons of water in the tank. After 9 hours, 4.4 gallons remain. Write a linear function rule that models the number of gallons of water y left in the tank for any number of hours x. The linear function rule is y = ___
Answer:
[tex]y=-0.4x+8[/tex]
Step-by-step explanation:
Let the Linear Function to represent the drip of water out of the water tank be:
[tex]y=mx+c[/tex]
Where [tex]x[/tex] is the time
[tex]y[/tex] is the number of gallons at that time
[tex]m[/tex] is the rate at which water drips
[tex]c[/tex] is the initial number of gallons of water in the tank
Putting the given values in the above equation:
[tex]6.8 = m\times 3+c ..... (1)[/tex]
[tex]4.4 =m\times 9+c..... (2)[/tex]
Subtracting (1) from (2):
[tex]6m=-2.4\\\Rightarrow m =-0.4[/tex]
Putting in equation (1):
[tex]6.8=-0.4\times 3+c\\\Rightarrow c = 8[/tex]
Therefore, the linear function equation to represent in the situation is:
[tex]y=-0.4x+8[/tex]
Michael started a savings account with $300. After 4 weeks, he had $350 dollars and after 9 weeks, he had
$412.50. What is the rate of change of money in his savings account per week?
Answer: 12.5
Step-by-step explanation:
He made 50 dollars in 4 weeks so divide that equally amongst each week you get 12.5
The rate of change of money in his savings account per week is 12.5
What is Slope?A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the change in y coordinate with respect to the change in x coordinate as,
m = Δy/Δx where, m is the slope
Given:
We have, After 4 weeks, he had $350 dollars and after 9 weeks, he had
$412.50.
So, We can consider it as (4, 350) and (9, 412.5)
So, the rate of change is
=(412.5-350)/ (9-4)
= 62.5
= 12.5
Hence, the rate of change is 12.5.
Learn more about slope here:
https://brainly.com/question/3605446
#SPJ2
En una escuela, para promover la lectura, se inició un proyecto de elaboración de un boletín escolar preparado por los estudiantes del municipio escolar. Este boletíntendrá entre sus notas los acontecimientos más resaltantes de laescuela.El costo de producción del boletín comprende la elaboración e impresión del material. Se sabe, además, que la impresión mínima es de 10 ejemplares y que la elaboracióntiene un costo fijo por página.
Answer: 6=22
7=24
8=26
9=28
10=30
Step-by-step explanation:
A parent invests $2000 at a 5% interest rate to help his daughter save for college. How long will it take his money to double?
Answer: 20 years
Step-by-step explanation:
Principal = $2000
Rate = 5%
Interest = $2000
Time = Unknown
Since we want to know the time it will take his money to double, that means he'll have an interest of $2000.
Interest= PRT/100
2000 = (2000 × 5 × T)/100
2000 = 10000T/100
Cross multiply
2000 × 100 = 10000T
200,000 = 10000T
T = 200,000/10,000
Time = 20 years
HELP ME ,PLX " PLZ PLZ
Answer:
30 miles
Step-by-step explanation:
50/5= 10X3=30
What is the value of 9³. A. 900. B. 810. C. 729 D. 81
Answer: C
Step-by-step explanation:
Answer:
C. 729
Step-by-step explanation:
hope i help you :)
HELP PLEASE!!!! I can’t remember
Answer:
3rd option
Step-by-step explanation:
Answer:
14√5
Step-by-step explanation:
this is for all my middle school children if you know your middle school math work coming down below is for all my middle school children like 2/2
Answer:
2/2=1
Step-by-step explanation:
uipdwqhlgvuirhjgcukjbrdfyshihildjbr
Answer:
bruh really its 5
Step-by-step explanation:
PLEASE HELP
Find the zero of the function 4x-5y=15
Answer:
(3.75,0)
Step-by-step explanation:
a zero is just the x-intercept so you just have to find that
to find that, set y as 0 and solve for x
Find the slope of the line that passes through the points (6, 5) and (4,8).
Write your answer as an improper fraction.
Answer:
-3/2
Step-by-step explanation:
hope this helps i tried my best
The FloridaLakes data frame includes information collected by researchers when they analyzed samples of water (collected in standardized test tubes) from a number of lakes. Using the DataCamp window above, determine how many lakes are included in the data frame.
Answer:
53
Step-by-step explanation:
Using the data camp window The number of lakes that are included in the data Frame is 53
The Florida lakes data ( information ) were collected in standardized test tubes ) sorry i was unable to download the missing data camp window but the answer is 53
PLEASE HELP 20 POINTS Graph < 2.
Answer:
Its bottom left
Step-by-step explanation:
Answer:
The top left option
Step-by-step explanation:
This doesn't have a y-value so it will be the point on the x axis.
An easy way to figure questions like this is to use a graphing calculator.
Hope that helps and have a great day!
Please help me undertand this please
Answer:
( 5, -10)
Step-by-step explanation:
convert
-4x-2y=-6
to slope intercept form
Answer:
y=-2x+3
Step-by-step explanation:
-2y=-6+4x
-2y/-2=(4x-6)/-2
y=-2x+3
Answer:
Graph BelowStep-by-step explanation:
Hope this helps! <3
Tyler has a piece of paper and is sharing it with Elena, Clare, and Andre. He cuts the paper to create four equal pieces, then hands one piece each to the others and keeps one for himself. What fraction of the original piece of paper does each person have?
1/4 a piece of the original paper.
Brylee has hiked 125 feet and hikes 1 foot per second. Jeremiah has hiked 10 feet and hikes 3.5 feet per second. After how many seconds will Brylee and Jeremiah have hiked the same amount of feet?
Answer:
46 seconds
Step-by-step explanation:
Brylee has hiked 125 feet and hikes 1 foot per second.
125 + s
Jeremiah has hiked 10 feet and hikes 3.5 feet per second.
10 + 3.5s
Where
s = number of seconds
Equate both Brylee and Jeremiah expression
125 + s = 10 + 3.5s
Collect like terms
125 - 10 = 3.5s - s
115 = 2.5s
Divide both sides by 2.5
s = 115 / 2.5
= 46
s = 46 seconds
Find the value of the expression
Answer:
1 is the answer
Step-by-step explanation:
(3/5)^0 = 1
(1 )^-2 is 1/1
which is equal to 1
A gas stove that normally sells for 749 is on sale at 30 pursent discount what is the sale price of the gas stove
Answer:
524.30
Step-by-step explanation:
What is the gcf of 10 and 50
Answer:
10
Step-by-step explanation:
What is the gcf of 10 and 50
