Answer:Compute the variance: 49+25+16+9+1+16+36+648=27.
The variance is a measure of the dispersion and its value is lower for tightly grouped data than for widely spread data. In the example above, the variance is 27. What does it mean to say that tightly grouped data will have a low variance? You can probably already imagine that the size of the variance also depends on the size of the data itself. Below we see ways that mathematicians have tried to standardize the variance.
Step-by-step explanation:
3. What is the area of the triangle below? (1 point) O 6.0 ft2 O 8.6 ft2 O 15.0 ft? O 17.2 ft2
Answer:
A ≈ 8.6 ft²
Step-by-step explanation:
the area (A) of the triangle is calculated as
A = [tex]\frac{1}{2}[/tex] × 7 × 3 × sin55°
= [tex]\frac{1}{2}[/tex] × 21 × sin55°
= 10.5 × sin55°
≈ 8.6 ft²( to 1 dec. place )
PLEASE HELP ASAP
(answer as many as you can please)
a. write the first four terms of the series
b. does the series diverge or converge?
c. if the series has a sum, find the sum
Answer:
A) -4,-4/3,-4/9,-4/27
B) converge
C) no idea
1) d= 7.4 mm
Calculate the area of the circle.
2) r=2.2 yd.
Calculate the circumference of the circle.
3) d = 5 cm
Calculate the circumference of the circle.
4) d = 6 m
Calculate the circumference of the circle.
5) r = 2.1 m
Calculate the area of the circle.
6) r=1.3 mm
Calculate the circumference of the circle.
Answer:
1. 43.01 mm²
2. 13.82yd
3. 15.71cm
4.18.85m
5. 13.85m²
6. 8.17mm²
Step-by-step explanation:
/ means divided by
* means multiplied by
radius is half of a diameter
circumference of a circle is pi multiplied by diameter
area of a circle is pi multiplied by radius squared
1. radius is 7.4 divided by 2 which is 3.7
radius of 3.7 squared is 13.69
pi multiplied by 13.69 is 43.01
2. diameter is radius times 2
2.2 times 2 is 4.4
ℼ * 4.4 = 13.82
3. pi*5=15.71
4. pi*6=18.85
5. 2.1*2.1 = 4.41 -> pi*4.41 = 13.85
6. 1.3*2= 2.6 -> pi*2.6=8.17
Referring to question 1, what is the predicted strength of a weld with a diameter of 51?
The predicted strength is an illustration of a linear regression
The predicted strength of a weld with a diameter of 51 is -503.2
How to determine the predicted strength?The equation of the predicted strength is given as:
Strength = -941.6992 + 8.5988*Diameter
Substitute 51 for diameter
Strength = -941.6992 + 8.5988*51
Evaluate the sum
Strength = -503.1604
Approximate
Strength = -503.2
Hence, the predicted strength of a weld with a diameter of 51 is -503.2
Read more about linear regressions at:
https://brainly.com/question/17844286
The predicted strength is an illustration of linear regression.
The predicted strength of a weld with a diameter of 51 is -503.2.
What is linear regression?Linear regression strives to show the relationship between two variables by applying a linear equation to observed data.
The equation of the predicted strength is given as:
Strength = -941.6992 + 8.5988 × Diameter
Substitute 51 for diameter
Strength = -941.6992 + 8.5988 × 51
Strength = -941.6992 + 438.5898
Strength = -503.1604
Strength = -503.2
Hence, the predicted strength of a weld with a diameter of 51 is -503.2.
Read more about linear regressions at:
brainly.com/question/17844286
Can someone please help me with this? My mind is blank after doing a lot of questions.
Answer:
6 Hours
Step-by-step explanation:
No.of leaflets---no.of people---work hours
1000 ————. 4. - — — — — — — 5
1500 — — — —5 — — — — — ,— —?
If work increase, no.of people needed more
So, the required ratio is 1500/1000
If work men increase, no of hours decrease
So, the required ratio is 4/5
(1500/1000)× (4/5)×5 = 6
No.of hours required to distribute 1500 leaflets by 5 people = 6 hours
Danny has 1.08 pounds of cat food. he uses 0.12 pound of cat food to feed one cat. how many cats can danny feed with the cat food he has?
Answer:
9
Step-by-step explanation:
1.08 divided by 0.12 equals 9
If year boys built 3/14of an igloo and year 3 girl have built 3/7of the same igloo.How much have they built in all?How much is left? Show your working out?
Answer:
year boy built an igloo =3/4
year3 girl built same igloo=3/7
To find out all together how much have built =3/4+3/7
if we take alceam
4×7=28
in fraction down we need to make 28
so 3/4 we multiply by 7 and 3/7we multiply by 4
3×7/4×7+3×4/7×4=21/28+12/28=21+12/28
33/28
to find out we divide fraction we will know what left .
1,5/28
5is left.
Which expression is equivalent to this equation attached? Please help! I will make brainliest
Step-by-step explanation:
please mark me as brainlest
Fill in the table using this function rule y=4x+1
Answer:
1. -7
2. 1
3. 9
4. 17
Step-by-step explanation:
y = 4x + 1
1. y = 4 (-2) + 1
y = -8 + 1
y = -7
2. y = 4(0) + 1
y = 1
3. y = 4 (2) + 1
y = 8 + 1
y = 9
4. y = 4 (4) + 1
y = 16 + 1
y = 17
I hope this helps!
Using function rule, we get,
1. -7
2. 1
3. 9
4. 17
**Given Equation:** y = 4x + 1
1. For x = -2:
- Substitute x = -2 into the equation: y = 4 (-2) + 1
- Calculate: y = -8 + 1
- Result: y = -7
2. For x = 0:
- Substitute x = 0 into the equation: y = 4(0) + 1
- Calculate: y = 1
- Result: y = 1
3. For x = 2:
- Substitute x = 2 into the equation: y = 4 (2) + 1
- Calculate: y = 8 + 1
- Result: y = 9
4. For x = 4:
- Substitute x = 4 into the equation: y = 4 (4) + 1
- Calculate: y = 16 + 1
- Result: y = 17
To know more about function rule,
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#SPJ3
Please Help Am Confused!
Answer:
Count the sides;
(look at image below)
= 17 - gon
2. The back of Nico’s truck is 7.5 feet long, 4 feet wide, and 8 feet tall. He has several boxes of important papers that he needs to move. Each box of papers is shaped like a cube, measuring 2.5 feet on each side.
How many boxes of papers can Nico pack into the back of his truck? Show your work.
Answer:
Answer:
9 boxes
Step-by-step explanation:
As the truck is 7.5 ft long, we can fit 3 boxes of paper along the length since 7.5 ÷ 2.5 = 3
As the truck is 4 ft wide, we can only fit 1 box of paper along the width
since 4 ÷ 2.5 = 1.6
As the truck is 8 ft tall, we can fit 3 boxes of paper high
since 8 ÷ 2.5 = 3.2
Therefore, the number of boxes of paper is:
3 × 1 × 3 = 9
Answer:
9 boxes
Step-by-step explanation:
Look above me ;)
i need help this is due in 10 mins
Answer:
180 degree rotation
Step-by-step explanation:
Answer:
Reflect across the y-axis
Translate horizontally 7 units right
Step-by-step explanation:
Alright I'll try to quickly answer this for you.
Firstly you could try reflecting figure P across the y axis. That would mean multiplying the whole function times -1.
So a point like (-2,3) would be come (-2,-3), and then visualize moving that point to where it would be on figure Q. It looks like it would be on (5,-3) on figure Q. So to take (-2,-3) to (5,-3) you translate it horizontally 7 units right.
What is the tangent ratio of angle KJL?
Answer: (1)
Step-by-step explanation:
Using the properties of a 30 60 90 triangle, we get that ML=24sqrt3 and JM=24.
This means that the tangent is 24sqrt3 / 24.
HELLLO!HELLO HELP PLIS
Answer:
984m
Step-by-step explanation:
so all your doing is:
41 x 24 = 984m
Answer:
984
Step-by-step explanation:
It's so easy. Multiply 24 and 41 to get the area of the rectangle
Help me understand how to do this please. (?)
Step-by-step explanation:
part 1: the exponent is the power or the number you see ontop of n. it indicates how many times n is multiplied by itself. so for the first question n is multiplied by itself 6 times. so the answer should be n×n×n×n×n×n.
part 2 is similar to part 1.
since there is a total of 6 ns we can say that it is n^6.
feel free to ask if you need any further guidance.
Which of the following inequalities matches the graph?
Answer:
x ≤ -7
Step-by-step explanation:
On the graph we can see that:
-the pink solid line is where x= -7 and y can have any value, so is either first or second choice.
-the pink area includes numbers that are equal or less then -7 ( such as -8, -9,-10,...) so the inequality must be x ≤ -7 (the second choice. )
See the line is parallel to y axis
Means x is constanty is varryingSo
x intercept is (-7,0)X is constant -7
Hence the inequality is
x≤-7find the area of the triangle if the length is 22 and the height is 15
Answer:
low 0.5 *the length of the base * the height
Step-by-step explanation:
0.5*22*15=165
A circular piece of glass has a radius of 1.2 meters. The glass sells for $7.10 per square meter. What is the total price of the glass?
Answer:
$8.52 that should be the answer
A cylinder has a base diameter of 20ft and a height of 5ft. What is its volume in cubic ft, to the nearest tenths place?
Answer:
Formula for volume of cylinder;
V = π[tex]r^{2}[/tex]h
Where 'π' represents pi(22/7 or 3.14), 'r' represents the radius which is 1/2 x diameter (half of diameter = radius) which is squared, and 'h' which represents the height.
To find the radius of the diameter 5, we must find 1/2 of 5:
1/2 x 5
5/2 = 2.5 is our radius.
Now we plug these into our equation:-
V = π[tex]r^{2}[/tex]h
V = 3.14(2.5^2) x 20
V = 3.14(6.25) x 20
V = 19.625 x 20
V = 392.5 cubic feet.
please help me with this its so easy .
recommend me a bunch of animmes---s (not the cringe kind that have 0 plot)
(do not reccomend any animes that are about a shy anti social boy who bags a social popular girl. )
Answer:
Megalobox black lagoon doraemon fate/grand order made in abyss high rise invasion dusk maiden of amnesia mahou shoujo site black butler ergo proxy I think are some
Step-by-step explanation:
name 2 semi circles
Answer:
Arc CDE and arc EAC.
Step-by-step explanation:
Semicircles are exactly one-half of a circle and are always equal to 180 degrees. Since line CE is a horizontal line, measuring 180 degrees, 2 semicircles can be arcs CDE and EAC because they equal half of the circle.
I hope this helps!
100 BRAINLY POINTS!!!!
The cost, y, in dollars, to purchase x school T-shirts includes a one-time setup fee, plus a charge per T-shirt. The cost is modeled with the linear function y = 6.67x + 35. What is the cost to purchase each T-shirt after the beginning setup cost is paid?
A. $41.67
B. $35.00
C. $28.33
D. $6.67
PLEASE HELP CUH
EXPLAIN YOUR ANSWER
SHOW YOUR WORK
Let's check our given function.
y=6.67x+35Compare to y=mx+b(Slope intercept)
Slope=m=6.67Y intercept=b=35So beginning set up is fixed i.e 35 .
per shirt cost the rate of change which is slope
option D is correct
Find the values of x and y
x=
and
y=
Answer:
x=145 and y=35
Step-by-step explanation:
the hole line equals 180 so do 35-180 which equals 145 and y would equal 35
ACTIVITY 1: LET'S PRACTICE!
Directions: Write Yes, if the two triangles are congruent and No if not. State the
postulate to justify your answer.
Pa help po please
Answer:
1. YES
1. YES2. YES
1. YES2. YES3.YES
4.NO
Hope it helps
You have $10.00 and want to buy all of the items below. How much change
will you have left after you make your purchase? Do not include $ in your
answer.
ITEM
COST
Bagels
Cream Cheese
Raisins
$2.66
$1.85
$2.66
Help pls
Answer: 2.83
Step-by-step explanation:
2.66+1.85+2.66 = 7.17
10.00 - 7.17 = 2.83
One bag of alice's trail mix contains 40 grams of almonds and 30 grams of raisins.
0
almonds
raisins
(g)
0
complete the double number line to show the other values of almonds and raisins.
choose 1 answer:
0 40
80 120 160
almonds
Answer:
A
Step-by-step explanation:
I guessed and it was right.
Answer:
B
Step-by-step explanation:
Complete the missing steps to express in simplest radical form.
 Order these numbers least to greatest
Answer:
1. -83/7
2. -11.6666666
3. - square root of 133
4. 11 5/10
Which expression is equivalent to n2 26n 88 for all values of n?
The value of the expression n² + 26n + 88 is equivalent to negative 4 and negative 22.
What is a factorization?It is the method to separate the polynomial into parts and the parts will be in multiplication. And the value of the polynomial at this point will be zero.
The expression is n² + 26n + 88
Put that expression to get the solution
n² + 26n + 88 = 0
n² + 22n + 4n + 88 = 0
n(n + 22) + 4(n + 22) = 0
(n + 4)(n + 22) = 0
The value of n is negative 4 and negative 22.
More about the factorization link is given below.
https://brainly.com/question/6810544
please giv the answer asap. I'll mark brainliest.
Answer:
Step-by-step explanation:
x = 5.4178
10000x = 54178.178
10x = 54.178 Subtract: that gets rid of the repeating decimal.
9990x = 54124 Divide by 9990 on both sides
9990x/9990 = 54124/9990 The Greatest common divisor of these two is 2
x = 27062/ 4995
p/q = 27062 / 4995