Answers
Answer:
X=sigma xi/no of observation
5= (?) /4
5*4=sum of all numbers
20=sum of all the observation
If you are helped by this answer pls tag me brianliest I really want it
THANK YOU.......
Related Questions
What is the equation of the line?
Answers
Answer: x = -9
Step-by-step explanation:
When you look at the line, you can see it's plotted on the x-axis. From there you know the solution will be equal to x. Since the line passes right through the number -9 on the x-axis line, the answer would be x = -9. The line is straight which means it has no y intercept which is why x is only equal to -9.
Aaron drank 15 oz of juice. This was 30% of the bottle. How many ounces of juice were in the
bottle originally.
Answers
Answer:
50 oz because 15 is 30 percent of 50
Step-by-step explanation:
Answer:
there was 50oz of juice originally
Step-by-step explanation:
Which is the solution to the inequality
5
12
금
7
12
0
01
Answers
Answer:
the 01 is inequality
I dont know if I am right.
if I am you are welcome
I need help on this
Answers
Reds 4/10
Greens 3/10
Yellow 1/10
Not blue 8/10
Hope this is right
Can someone solve these rational expressions showing work thanks
Answers
Answer:
[tex]\frac{x-5}{\left(x-3\right)\left(x+2\right)}+\frac{2}{\left(x-3\right)\left(x+2\right)}=\frac{1}{2+x}[/tex]
Step-by-step explanation:
[tex]\frac{x-5}{\left(x-3\right)\left(x+2\right)}+\frac{2}{\left(x-3\right)\left(x+2\right)}[/tex]
[tex]\mathrm{Apply\:rule}\:\frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}[/tex]
[tex]=\frac{x-5+2}{\left(x-3\right)\left(x+2\right)}[/tex]
[tex]\mathrm{Add/Subtract\:the\:numbers:}\:-5+2=-3[/tex]
[tex]=\frac{x-3}{\left(x-3\right)\left(x+2\right)}[/tex]
[tex]\mathrm{Cancel\:the\:common\:factor:}\:x-3[/tex]
[tex]=\frac{1}{2+x}[/tex]
The movie theater has 30 seats in the front row. Each row has 3 more seats than the row before it. How many seats are in the 25th row?
63
102
33
105
Answers
Answer:
d
Step-by-step explanation:
Answer:
105
Step-by-step explanation:
First you'd write an equation:
y(the number of seats) = 3x(the number of rows) + 30
Then, you'd replace the X with 25 and get your answer:
y = 3 (25) + 30
y = 75 + 30
y = 105
help ASAP please ill mark brainliest
Answers
Answer:
choosing students at random for basketball teams
Step-by-step explanation:
because it only has one event whereas that others have more than one.
hope this helps:)
In a sale, the price of a sofa is reduced by 70%. The sale price is £255 What is the price before the sale?
Answers
So what we need to do is divide 255 by 30 to get one percent
255/30=8.5
So 8.5 is one percent of the original price or one hundredth. So to get the original price multiply that by 100 and get 850.
The original price was £850.
Answer:
850
Step-by-step explanation:
Price x .30 (100%-70%)=sales price
price x .30 = 255
price = 255/.30
price = 850
How many miles did a plane travel if it flew
455 mph in three hours
Answers
Answer:
1,365 miles
Step-by-step explanation:
455 mph times 3 hours equals to 1,365.
Where will the two lines intersect? y=2x+1 and y=-2x+5
Answers
Answer:
(1, 3)
Step-by-step explanation:
for brainiest:):):):):):):)
Answers
Answer:
1: 55
2: 128
3: 175
Step-by-step explanation:
I believe that this is correct.
3x+4=5 (2 step equations) NO BOTS
Answers
Answer:
x=1/3
Step-by-step explanation:
3x+4=5
-4 -4
3x=1
3x/3=1/3
x=1/3
Which equation represents exponential decay?
a) y=0.5x3
b) y=0.5x2 - x
c) y=0.5(1.07) dy=0.5(0.87)*
Answers
Julius bought F boxes of 24 plastic forks. He already had 39 plastic forks. Now, he has 135 plastic forks. How many boxes of plastic forks did Julius buy in all?
What is the best eqation?
A.
f - 24 × 39 = 135
B.
f + 24 × 39 = 135
C.
f × 24 - 39 = 135
D.
f × 24 + 39 = 135
Answers
Answer:
D
Step-by-step explanation:
boxes are the f. the amount in each is 24. theses will be mulitplied. then you want to add what he already had. that's the +39
what is this simplify?
Answers
Answer:
D. 2^7
Step-by-step explanation:
Answer:
2^7
Step-by-step explanation:
When we multiply the same bases with exponents like 2^3*2^4 we can add the exponents and keep the base the same
2^7 would be the answer or you can simplify further to get 128
but they said simplify so 2^7 is the answer
If they said evaluate then our answer is 128
Fred borrows $2710 at 3.8% simple interest per month. When Fred pays the loan back 3 months later, what is the total amount that Fred ends up repaying?
Answers
serious answers only<3 i really need to get this done before i get grounded and i used to be good at math but during quarantine all of my skill just went away
Answers
Answer:
-3 1/2
Step-by-step explanation:
-4.5 + 1 = -3.5
Evaluate g(10) if g(x)=12x−4.
Answers
Answer:
116
Step-by-step explanation:
plug in the 10 in the x values to get 12(10)-4 which is 116.
Suppose the TRMS basketball team scored 78 points by 2-point and 3-point baskets only. If 35 total baskets were made, how many 2-point and 3-point baskets were scored?
Answers
Answer:
the number of 2 point and number of 3 point be 27 and 8 respectively
Step-by-step explanation:
Let us assume the number of 2 point be x
And, the number of 3 point be y
Now according to the question
2x + 3y = 78
x + y = 35
Multiply by 2 in equation (2)
2x + 3y = 78
2x + 2y = 70
y = 8
So,
x = 35 - 8
= 27
Hence, the number of 2 point and number of 3 point be 27 and 8 respectively
900% of what number is 6,030?
900% of is 6,030.
Answers
Answer:
6030 is 900% of 670
Step-by-step explanation:
Mark me brainliest, thanks have a wonderful day!!
HELP ANWSER ASAP PLEASE
Answers
Answer:
[tex] \boxed{x = 45°} [/tex]
Step-by-step explanation:
When two chords intersect at a point in a circle, they form arcs, along with angles at the intersection point.
To determine the angle of the arc, we must apply this geometric rule:
[tex] Angle \: formed \: by \: chords = \frac{1}{2}(sum \: of \: intersecting \: arcs) [/tex].
Since we are looking for one of the arcs, we can rearrange this formula to solve for the first arc.
[tex] Angle \: formed \: by \: chords = \frac{1}{2}(sum \: of \: intersecting \: arcs) [/tex] →
[tex] Angle \: formed \: by \: chords = \frac{1}{2}(\overset{\frown}{BA} + \overset{\frown}{CD}) [/tex] →
[tex] 2 × Angle \: formed \: by \: chords = \overset{\frown}{BA} + \overset{\frown}{CD} [/tex] →
[tex] 2 × Angle \: formed \: by \: chords \: – \: \overset{\frown}{CD} = \overset{\frown}{BA} [/tex]
[tex] \overset{\frown}{BA} = 2 × Angle \: formed \: by \: chords \: – \: \overset{\frown}{CD} [/tex]
[Given]
[tex] \overset{\frown}{BA} = x° [/tex]
[tex] \overset{\frown}{CD} = 99° [/tex]
[tex] Angle \: formed \: by \: chords \: = 72° [/tex]
→
[tex] \overset{\frown}{BA} = 2 × Angle \: formed \: by \: chords \: – \: \overset{\frown}{CD} [/tex]
→
[tex] x° = 2 × 72° \: – \: 99° [/tex]
[tex] x° = (2 × 72°) \: – \: 99° [/tex]
[tex] x° = 144° \: – \: 99° [/tex]
[tex] \boxed{x° = 45°} [/tex]
Pls help me i need help iwiill give you points
Answers
Answer:
The simplest (and most commonly used) area calculations are for squares and rectangles. To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area
Step-by-step explanation:
A glider plane travels 120 miles in 2 hours. At that rate, how many hours will it take the plane to travel 300 miles?
10 hours
2 1/2 hours
5 hours
1 1/4
Answers
The answer is C.........
Set background
Clear frame
Open on a Jamboard
3. What is the value of x? Show your work!
X Х
(9x -13)°
(6x + 23)
10
Answer:
x =
Answers
Answer:
x = 12
Step-by-step explanation:
These are corresponding angles, so they're equal to each other:
9x - 13 = 6x + 23
9x - 6x = 23 + 13
3x = 36
x = 12
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
Answers
Answer:
A
Step-by-step explanation:
There are 48 students in a class and 6 of them are girls. What percent are boys
Answers
Answer:
87.5%
Step-by-step explanation:
If there are 48 students in total and 6 girls, then the remaining students are boys
The number of boys = 48 - 6 = 42
Now, calculate the %
42/48 x 100 = 7/8 x 100 = 87.5%
Hope this helps
If there are 48 students in a class and 6 of them are girls then the percentage of boys in the class is 87.5%,
Use the concept of percentage defined as:
A figure or ratio that may be stated as a fraction of 100 is a percentage. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100.
The proportion, therefore, refers to a component per hundred. Per 100 is what the word percent means. The letter "%" stands for it.
Given that,
Number of students = 48
Number of girls = 6
Then number of boys = 48 - 6
The number of boys = 42
Therefore,
The percentage of boys in the class is,
[tex]\dfrac{42}{48}\times 100= 87.5 \text{ percent}[/tex]
Hence,
There are 87.5 percent of boys in the class.
To learn more about the percentage visit:
https://brainly.com/question/24877689
#SPJ6
megan and chase were talking about the numbers 642 and 724. how does the value of the 4 in the first number compare to the 4 in the second number?
Answers
Answer:
4 in first number is in tenth place, so its 40
4 in second number is in unit place, its 4 only
Need help plz i will give brainlyist no scammer i will report and i only have 5 min
Answers
When Melissa was born, her parents put $8,000 into a college fund account that earned 9% compounded semiannually. When finding the total amount in the account after 18 years, what is N?
A. 18
B. 36
C. 2
D. 9
Answers
Answer:
Step-by-step explanation:
Grace and her brother need $400 to go to band camp. Their parents have agreed to help them earn money by paying them $25 each time they mow the lawn and $10 for each hour they babysit their younger brother. They will have to do a combination of both chores to earn the money.
Select the equation that represents the number of lawns they can mow, m, and hours they can babysit, b, to earn $400.
M. 10m+ 25b= 400
P. 10m− 25b= 400
R. 25m+ 10b= 400
S. 25m− 10b= 400
Answers
Answer:
25m + 10b = 400
Step-by-step explanation:
Total amount that can be earned = $ 400
Amount earned on mowing a lawn = $ 25
Amount earned per hour on babysitting = $10
Amount earned for mowing one lawn is $ 25, so amount earned for mowing m lawns will be $ 25m
Amount earned for one hour of babysitting is $ 10, so amount earned for babysitting for b hours will be $ 10b
Total amount earned = Amount earned from mowing m lawns + Amount earned from babysitting for b hours
Using the values from above, we can set up the equation as:
400 = 25m + 10b
