Answer: y=0.63x+12.5
sum of x = 260
sum of y = 288
mean x = 26
mean y = 28.8
sum of squares= 3000
sum of products= 1876
find the line of best fit or line of regression
regression equation = y = bx + a
b= 1876/3000 = 0.62533
a= 28.8 - (0.63*26) = 12.54133
then round and plug a and b into the equation
y=0.63x+12.5
you decide where to put the line by where the average or mean of the points are. there are clusters in the points which makes it easier to place the line of best fit. the outliers are the point scattered away from the line of best fit and the clusters are groups of point very closely put together.
PLEASE HELP ME!! I am struggling to answer this question.
Answer:
B. 1.2x - 2.4 + 1.2x - 2
Step-by-step explanation:
We have an algebraic expression and are asked which is the equivalent answer when the expression is simplified.
To solve, we need to take notice that some distribution must happen, which is when you multiply a number outside of a parenthesis to the numbers inside the parenthesis. Follow this rule for 0.3(4x - 8) and -0.5(-2.4x + 4)
0.3(4x - 8)
(0.3(4x) - 0.3(8))
1.2x - 2.4
-0.5(-2.4x + 4)
(-0.5(-2.4x) + -0.5(4))
1.2x - 2
Now put these two equations into one strand to get your answer.
1.2x - 2.4 + 1.2x - 2
Answer:
D. 2.4x-4.4
Step-by-step explanation:
0.3(4x-8)-0.5(-2x+4)
1.2x-2.4-0.5(-2.4x+4)
1.2x-2.4+1.2x-2
=2.4x-4.4
My brain hurts- please help-
The women’s basketball team played 25 home games and won 4/5 of them. They also won 2/3 of their 42 away games. How many games did they win in all?
Answer:
48
Step-by-step explanation:
so the first one is 25 times 4/5 to get 20
the next one is 2/3 times 42 to get 28
these are all the games they won so you add them to get 48
Answer:
25 x 4/5 = 20
42x2/3=28
20+28=48
Step-by-step explanation:
brainliest would be apricated
Help me please I am still confused
Answer:
2x=140
x=70
Step-by-step explanation:
A gardener planted 5 rows of vegetables. Each row has 3 pepper plants and s squash plants. The garden contains a total of 20 plants.
Which equation can be used to determine the number of squash plants that are in the garden?
3(5+s) = 20
(5x3) + (5xs) = 20
5(3+s) = 20
15 + 3s = 20
5 + 3 + s = 20
H e l p i dont under stand at all they didnt say anything about it-
Answer:
so if they are saying round I believe the answer
they are looking for would be 1. If you do the first
one it would be 0 and the second one would be 10 and 10/10 is 1
Step-by-step explanation:
So 1
PLEASE HELP!!!!!!
1. 35⋅91−35⋅89
2. 22⋅87+22⋅13
3. 911⋅710−911⋅310
PLEASE HELPPP!!!!!!
I WILL GIVE BRAINLIEST!!!!!!!
Answer:
PLEASE MARK OTHER BRAINLIEST OR WHATEVER-
Step-by-step explanation:
please help! thanks!
Answer:
180 are men.
Step-by-step explanation:
it makes the most sense
PLS ANSWER ASAP
A ball is projected upward from ground level with an initial velocity of 80 feet per second. After how many seconds will it be at a height of 96 feet? Use the velocity formula.
1) Event A: Flipping heads on a coin
Event B: Rolling an odd number on a number cube
What is P(A and B)?
2) What is the probability of rolling an even number on a number cube and spinning red or yellow on the spinner shown?
3) A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 9 and 8. What is the probability that the third digit is 7?
4) What is the probability of spinning yellow on both spinners?
5) A locker combination has two nonzero digits, and the digits can be repeated. The first number is 3. What is the probability that the second number is 3?
ANSWER ALL 5 QUESTION!!
Answer:
1.B
2.i dont know
3. good
4.Good
5.Good
Step-by-step explanation:
Please help ASAP if possible
How many students?
( im not taking points i will help you in the comments)
Glen has a flower Garden with an area of 24 square feet. He is adding a square vegetable garden with a side length of x feet. The total area, in square feet, of these two gardens will be x2+24. What will the total area, in square feet of the garden when x = 9
A. 35
B. 42
C. 105
Answer:
my guess would be b
Step-by-step explanation:
if wrong sorry
MAKE SURE TO DO IT ALL PLS
Answer:
girl what in the world is this
Which of these equations has the solution x = 5?
A. x + 7 = 3(x - 1)
B. 12 - x = x + 4
C. 2(x + 1) = 3(x - 8)
D. 2(x - 4) = 7x - 1
Help me please I need this
Complete the expression below to create an expression equal to 72 + 45
(8 + 5)
what is the answer to
Answer:
3 8/15
Step-by-step explanation:
thats the answer
Answer:
3.53
Step-by-step explanation:
1 1/5 + 2 1/3 =
1 + 2 = 3
1/5 + 1/3 = 0.53
3 + 0.53 = 3.53
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✋
Answer:
A: 3/4
Step-by-step explanation:
9/16 divided by 3/4 =
9/16 x 4/3 =
36/48 simplified =
36/12/48/12 =
3/4
hope this helped!
Answer:
A. 3/4 hope this helped you again
Step-by-step explanation:
flip the other fraction lol
9/16 x 4/3
these can cross cancel
4 goes into 16 four times so 4 reduces to 1 and 16 to 4
same thing with 9. 3 goes into 9 three times. 3 goes down to 1 and nine goes down to 3
3/4 x 1/1= 3/4
What is the surface area?
5 ft
5 ft
5 ft
cube
Answer:
125
Step-by-step explanation:
Answer:
The surface area of the cube is 150 .
Step-by-step explanation:
I seriously need help on this.
The amount in the account after compound interest of 1 year is $ 6890 and after 2 years is $ 7303.4.
The principal amount is given as $ 6500.
Rate of compound interest = 6%
The compound interest formula is given as [tex]A = P (1 + \frac{r}{n})^{nt}[/tex]
where, P = Principal amount
r = rate of interest divided by a hundred
n = number of times compounded
t = time in years
a) Amount in the account after 1 year is
[tex]A = 6500(1 + \frac{0.06}{1})^{1}[/tex]
A = 6890
The amount in the account after 1 year is $ 6890.
b) Amount in the account after 2 years is
[tex]A = 6500(1 + \frac{0.06}{1})^{2}[/tex]
A = 7303.4
The amount in the account after 2 years is $ 7303.4.
To learn more about compound interest, click here:
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Suppose $1,000 is put into an account that pays simple interest at a rate of 3.5% annually. What is the value of t if the money is deposited for 212 years?
A. 0.25
B. 1.5
C. 2.0
D. 2.5
Answer:
Step-by-step explanation:
Formula:
I = Prt
I - interest
P - initial value
r - interest rate
t - time (years)
Solution:
[tex]I = $1000 * 3.5 * 212[/tex]
[tex]I = 742000[/tex]
What is the slope of the line shown?
Answer:
i think -5 and 5
Step-by-step explanation:
a manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of this part are shown below
which estimate is closet to the volume in cubic millimeters.
A.306
B.768
C.1,008
D.2,016
Answer:
B.768
Step-by-step explanation:
I think it's this because I just guessed.
A total of 632 tickets were sold for the school play. They were either adult tickets or student tickets. There were 68 fewer student tickets sold than adult tickets. How many adult tickets were sold?
6th grade math please help marking brainlyiset
This table shows dogs’ weights at a competition.
Dogs' Weights (pounds)
35, 22, 31, 23, 35, 22, 30, 35, 40
One 42-pound dog could not make it to the competition. Select all the ways the measures of center of the data set change if she had entered the competition.
A. The median increases
B. The mode increases
C. The mean increases
D. The median decreases
E. The mode decreases
F. The mean decreases
Answer:
A, C, and E
Step-by-step explanation:
All the ways the measures of center of the data set change if she had entered the competition are,
⇒ The median increases
⇒ The mean increases
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
This table shows dogs’ weights at a competition as;
Dogs Weights ( in pounds)
35, 22, 31, 23, 35, 22, 30, 35, 40
Now, When she had entered the competition.
Then, We get;
⇒ The median increases
⇒ The mean increases
Thus, All the ways the measures of center of the data set change if she had entered the competition are,
⇒ The median increases
⇒ The mean increases
Learn more about the mathematical expression visit:
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What number is 60% of 145?
Enter your answer in the box.
Answer:
87.
60% × 145 =
(60 ÷ 100) × 145 =
(60 × 145) ÷ 100 =
8,700 ÷ 100 =
87;
^^
Which equations demonstrate how to solve for x, and what is the value of x?
a The equation 52 + 90 + x = 180 deomnstrates one way to solve for y, and y = 38 degrees. Since x + y = 180, then x = 142 degrees.
b The equation 52 + 90 + x = 90 deomnstrates one way to solve for y, and y = 52 degrees. Since x + y = 180, then x = 128 degrees.
c The equation 52 + 90 + x = 180 deomnstrates one way to solve for x, and x = 38 degrees.
d The equation 52 + 90 + x = 90 deomnstrates one way to solve for x, and x = 52 degrees.
Answer:
A
Step-by-step explanation:
The first step is to find yAll triangles have interior angles that add together to measure 180 degreesSince we know this you can subtract the known angle values (90 and 52) from 180180-52-90= 38 38 is your yx is an exterior angle so y+x also equals 180in order to find x just take your y value and subtract it from 180180-38=142The equation 52 + 90 + x = 180 deomnstrates one way to solve for y,
and y = 38 degrees. Since x + y = 180, then x = 142 degrees.
Calculation to find out angles :the sum of interior angles in a triangle is always 180 degrees
Add all the interior angles and make it equal to 180 degrees
[tex]90+52+y=180\\142+y=180\\[/tex]
Subtract 142 from both sides
y=38 degrees
angle y is 38 degrees
Angles y and x are linear pair of angles , the sum of linear pair is 180 degrees
[tex]y+x=180\\38+x=180[/tex]
Subtract 38 from both sides
x=142 degrees
The equation 52 + 90 + x = 180 deomnstrates one way to solve for y, and y = 38 degrees. Since x + y = 180, then x = 142 degrees.
Learn more information about 'Angles in a triangle ' here
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Paula is running a race that is 10 kilometers long. After running 8
minutes, she passes the 3.75 kilometer marker. How many more
kilometers does Paula need to run to cross the finish line?
Answer:
10-3.75= 6.25 more kilometers
Step-by-step explanation:
The number of kilometers that Paola needs to run to cross the finish line will be 6.25 kilometers.
What is the length?It is the measure of distance between the two points and is known as length. The length is measured in meters generally.
It simply implies subtracting something from an entity, group, location, etc. Subtracting from a collection or a list of ways is known as subtraction.
Paula is running a race that is 10 kilometers long. After running for 8 minutes, she passes the 3.75 kilometers marker.
Then the number of kilometers that Paola needs to run to cross the finish line will be given by the difference of 10 km and 3.75 km.
⇒ 10 - 3.75
⇒ 6.25 kilometers
Thus, the number of kilometers that Paola needs to run to cross the finish line will be 6.25 kilometers.
More about the distance link is given below.
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The mean of 5 numbers is 4. What happens to the mean if the number 10 is added to the data set?
A. The mean increases by 6.
B. The mean increases by 5.
C. The mean increases by 3.
D. The mean increases by 1.
Answer:D
Step-by-step explanation:
HELP WILL GIVE BRAINLIEST!!
What is the area of this figure?
Enter your answer in the box.
in²
A parallelogram with a right triangle created inside it with a short leg length of 16 inches and a long leg length of 20 inches. A triangle attached to the top of the parallelogram has a short leg measurement of 8 inches.
Answer:
160 in^2
Step-by-step explanation:
find x and y intercepts. write ordered pairs representing the points where the line crosses the area axes. 2x+5y-11=0
x intercept- (_,0)
y intercept- (0,_)
Answer:
X-intercept- [tex](\frac{11}{2} ,0)[/tex]
Y-intercept- [tex](0,\frac{11}{5} )[/tex]
Step-by-step explanation: