Answer:
I think that the measure of side BC is 2
Step-by-step explanation:
Answer:I think either a or c im not sure
A text book publisher wants to estimate the number of sentences per paragraph in a history textbook. The publisher count the number of sentences in 150 randomly selected paragraphs. The results are shown in the table. Based on the data what is the mean number of sentences per paragraph in the textbook?
A. 4
B. 5
C. 10
D. 15
Using the weighed mean, it is found that the mean number of sentences per paragraph in the textbook is given by:
B. 5
What is the weighed mean?The weighed mean is given by the sum of all elements in a data-set multiplied by it's weight, divided by the sum of the weights.
In this problem:
The sum of the values multiplied by it's weights is: 1 x 0 + 2 x 3 + 3 x 20 + 4 x 43 + 5 x 36 + 6 x 25 + 7 x 10 + 8 x 8 + 9 x 2 + 10 x 3 = 750.Considering that there are 150 books, we have the mean is:
M = 750/150 = 5.
Hence option B is correct.
More can be learned about the weighed mean at https://brainly.com/question/24398353
There are 7 red marbles, 7 blue marbles, 7 yellow marbles, and 7 green marbles in a bag. If a person randomly selects 1 marble from the bag, what is the probability that the person selects a blue marble? (HOW DID YOU GET YOUR ANSWER, PLEASE SHOW ME YOUR WORK!!)
A. 0.75
B. 0.5
C. 0.25
D. 0.0625
Answer:
0.25
Step-by-step explanation:
You have 4 options:
1/4: red
1/4: blue
1/4: green
1/4: yellow
Combined equals a whole, so each one of them equals 0.25
(4w^2-7w-6)-(8w^2+2w-3)
Please show Step-by-Step
Answer:
Step-by-step explanation:
[tex](4w^2-7w-6)-(8w^2+2w-3)\\ \\ 4w^2-7w-6-8w^2-2w+3\\ \\ -4w^2-9w-3[/tex]
Alice wants to put a fence around a portion of her yard in the shape of a right triangle. She knows that the larger leg of the triangle is
2
feet longer than its smaller leg. The hypotenuse is
4
feet longer than the smaller leg.
How many feet long is the hypotenuse?
Answer:
Step-by-step explanation:
[tex]h^2=x^2+y^2\\ \\ h=y+4,\ x=y+2\\ \\ (y+4)^2=(y+2)^2+y^2\\ \\ y^2+8y+16=y^2+4y+4+y^2\\ \\ y^2+8y+16=2y^2+4y+4\\ \\ y^2-4y-12=0\\ \\ (y-6)(y+2)=0\\ \\ y>0\\ \\ y=6ft\\ \\ h=6+4=10ft[/tex]
Please help! I will mark brainlist!
Answer: A
Step-by-step explanation:
What is the square root of 23
Answer:
No real solution
Step-by-step explanation:
The simplest form is √23
Answer:
4.79583152331
Step-by-step explanation:
.................
...
how do you divide 5 by 1/3
Answer:
There are two ways
Step-by-step explanation:
1. Multiply 5 by the fraction, 1/3
When you multiply a whole number by a fraction, it will give the same result as you would have by dividing it.
2. Divide 5 by 3
Answer:
15
Step-by-step explanation:
I need help with this question
Plz help
.
X
X
X
X
D
E
D
D
D
Answer:
radius by 2 ye this will be the correct answer d=r/2
please helpp
meeee
agf akgfkef eafef f
Answer:
The lines help u see where they go
Step-by-step explanation:
Answer: (maybe not 100% correct i d k)
Primary Sorce:
Anne Frank's Diary
Photo of a Migrant Worker
American Indian Treaty
Letter by George Washington
Not Primary Source:
1927 and 1992 Article About Babe Ruth
Movie About the Civil War
History Textbook
Fiction Set in 1780s
Blog About Black Holes
At a dinner, the meal cost $22 and a sales tax of $1.87 was added to the bill.
How much would the sales tax be on a $66 meal?
Please show work.
Answer:
It is 5.61
Step-by-step explanation:
22×3=66
1.87×3=5.61
please help me with this where do I put capitalization?????
Answer: At the beginning of the quotes. I hope this helps!
Answer: beginning
Step-by-step explanation:
Kiana is saving for a new computer that cost $499. So far, she has earned 68 percent of the cost of the computer. How much more must Kiana earn.
Answer:
159.68
Step-by-step explanation:
68% of 499 is 339.32
499 -339.32=159.68
hope this helps
HELP Determining Similar Figures
Answer:
Step-by-step explanation:
Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal.
Solve by elimination:
3x + 4y = 0
5x-3y = -58
A (6, -8)
B (-6, -8)
C (-8, 6)
D ( 8, 6)
Answer:
x=−8
y=6=
Step-by-step explanation:
3x+4y=0
5x−3y=−58
In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.
3x+4y=0,5x−3y=−58
To make 3x and 5x equal, multiply all terms on each side of the first equation by 5 and all terms on each side of the second by 3.
5×3x+5×4y=0,3×5x+3(−3)y=3(−58)
Simplify.
15x+20y=0,15x−9y=−174
Subtract 15x−9y=−174 from 15x+20y=0 by subtracting like terms on each side of the equal sign.
15x−15x+20y+9y=174
Add 15x to −15x. Terms 15x and −15x cancel out, leaving an equation with only one variable that can be solved.
20y+9y=174
Add 20y to 9y.
29y=174
Divide both sides by 29.
y=6
Substitute 6 for y in 5x−3y=−58. Because the resulting equation contains only one variable, you can solve for x directly.
5x−3×6=−58
Multiply −3 times 6.
5x−18=−58
Add 18 to both sides of the equation.
5x=−40
Divide both sides by 5.
x=−8
The system is now solved.
x=−8,y=6
Coordinates are: (-8,6)
Graph:
Please help this is due TODAY
Calculate the unknown variable value .
Do not answer with a one answer, blank or a ridiculous answer please this is serious.
Answer:
x=75°and y=x= 75°
Step-by-step explanation:
Reason: opposite angles are equal and how I got 75 is by drawing an extension line and finding the other angle (i.e. angle on a straight line=180) so 180-105=75.
Plz help I will give you 40 points and Brainly
Answer:
sorry i don't knowe this, i realy want to help you
Find the domain and range of the relation.
{(3,-2) (2,1) (-1,0) (1,3)}
I NEED HELP ASAAP SOMEONE!!
Answer:
5x4x3=60 3x4x5=60
Step-by-step explanation:
Electrical circuit has a voltage of 60 v and resistance of 5 ohms that is the current?
Answer:
The current or I = 12.
Step-by-step explanation:
Ohm's law requires you to divide 60 volts by 5 ohms, hence giving you 12.
does the graph below represent a function why or why not
Answer:
fyyockkgxixxyiyxicycyfjohoyc
Answer:
Where is the picture?
Step-by-step explanation:
I need Picture to help you out.
Find the length of diagonal AV in a three dimensional figure.
Although I'm going to answer this question, I have to point out that this problem is NOT stated clearly. The problem being we don't know if angle AMV is a right angle.
But I'm assuming it is and thus we need to use the Pythagorean theorem.
AV=[tex]\sqrt{5^2+12^2}[/tex]
AV=13
Therefore answer is C. :D
Please i need extreme help
Answer:
90
Step-by-step explanation:
the formula to find the area of any right triangle is:
a=leg 1
b=leg 2
(a*b)/2
(15*12)/2
180/2
90
Answer:
90
Step-by-step explanation:
Is the sequence 7, 9, 12, 16 geometric
Answer:
The sequence is not geometric or arithmetic because there is no common difference or common ratio between each term.
What combination of transformations is shown below
Answer:
rotation ,then reflection
This is a long question so look at the picture thank
you
Answer:
2 students
Step-by-step explanation:
.............
Questions 1-18 of 18 | Page 1 of 1
Question 1 (1 point)
At what point would the roller coaster below have the most potential energy? (TEKS 6.8A)
a
Point Y
b
Point X
c
Point W
d
Point Z
Question 2 (1 point)
If a bicyclist travels 30 kilometers in two hours, her average speed is (TEKS 6.8C)
a
30 km/h
b
2 km/h
c
60 km/h
d
15 km/h
Question 3 (1 point)
A soccer player kicks a ball. The ball rolls in a straight line, slows down, and stops. What can you conclude about the soccer ball?
a
An outside force acted on the soccer ball because its motion stopped.
b
The only force on the soccer ball was the force of the player’s kick.
c
No outside forces acted on the ball because its motion did not change.
d
No net force acted on the ball because the ball did not change directions
Answer:
1. can't answer, i dont have the points, but it would be wherever the cart is about to drop
2. d
3. c
Step-by-step explanation:
not sure about the 3rd one, could be wrong
ill mark brainlist plss help
Answer:
option 1 is correct
Step-by-step explanation:
Can I plz have brainliest. thx :-)
Have a nice day!
Answer: Quadrilateral parallelogram, trapezoid; trapezoid
Step-by-step explanation:
A trapezoid has four sides so that makes it a quadrilateral, a parallelogram has at least two parallel sides (top and bottom), a lastly a it's a trapezoid and trapezoid has only one pair of parallel sides.
Factor out the coefficient of the variable.
The expression 4h−3 factored is
Answer:
4
Step-by-step explanation:
because the variable is h and the constant is 3
find the value of x cubed minus 2x squared minus 7x + 5 of x=1/2-√3
9514 1404 393
Answer:
3
Step-by-step explanation:
For f(x) = x^3 -2x^2 -7x +5 and x=1/(2-√3), we have ...
f(x) = ((x -2)x -7)x +5
and ...
x = 1/(2-√3) = (2+√3)/(2^2 -3) = 2+√3
Then ...
f(2+√3) = ((2 +√3 -2)(2 +√3) -7)(2 +√3) +5
= (3+2√3 -7)(2+√3) +5
= 2(√3 -2)(√3 +2) +5 = 2(3 -4) +5 = -2 +5
f(1/(2 -√3)) = 3
_____
If you really mean x = (1/2) -√3, then f(x) = (42√3 -3)/8.