Answer:
It isn't very relaible, to insure that you get answers correct try to do them yourself or ask your teacher,
Step-by-step explanation:
Below, the two-way table is given for a
class of students.
Total
Freshmen
Sophomore
Juniors
Seniors
Male
4
6
2
2
Female
3
4
6
3
Total
If a student is selected at random, find the
probability the student is a freshman. Round
to the nearest whole percent.
[?]%
My
The sample space (total number of students) = 30
total number of freshmen = 7
the freshmen = the event considered
.....therefore
probability = 7/30
%probability = 7/30 × 100%
= 23.33% ~ 23%
The solution is, The required probability is 3/4= 75%, is the probability the student is a freshman.
What is the probability?Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates the impossibility of the event and 1 indicates certainty.
here, we have,
We have to compute the probability,
P(Female |Junior) because we have to find the probability of the female student and the given condition is that the student is junior.
Determine the total number of juniors.
Juniors=2+6=8
Since the number of females who are junior is 6, determine the required probability.
P(Female|Junior)=6/8
=3/4
=75%
Therefore, the required probability is 3/4 = 75%.
To learn more about the probability visit:
brainly.com/question/24756209
#SPJ7
Use the Substitution Method, what is the point of intersection for the following system:
2x + 2y = 18
Y = 2 - 3
Answer:
[tex]2x + 2(x - 3) = 18 \\ 2x + 2x - 6 = 18 \\ 4x = 24 \\ x = 24 \div 4 = 6 \\ y = x - 3 = 6 - 3 = 3[/tex]
I’ll give brainly please help!!
Answer:
number 9 is A
number 10 is C
Step-by-step explanation:
number 9, rotate triangle
number 10, add the numbers/sides
Answer this question to get marked as brainliest!!!!
Answer:
7
Step-by-step explanation:
Si la amplitud del complemento de un ángulo agudo es mayor, menor o igual que la del suplemento de un ángulo agudo. ¿podes responder aunque no conozcas cuanto mide el ángulo o te faltan datos? Explica como lo pensás
Answer:
Dados dos ángulos vecinos, ambos son complementarios si la suma de sus medidas es igual a 90° y suplementarios si esa suma de medidas es igual a 180°. Puesto que uno de los ángulos es el ángulo agudo mencionado en el enunciado, es decir, un ángulo cuya medida es mayor que 0° y menor que 90°. Entonces, el ángulo complementario debe ser inevitablemente menor que el ángulo suplementario.
Step-by-step explanation:
Dados dos ángulos vecinos, ambos son complementarios si la suma de sus medidas es igual a 90° y suplementarios si esa suma de medidas es igual a 180°. Puesto que uno de los ángulos es el ángulo agudo mencionado en el enunciado, es decir, un ángulo cuya medida es mayor que 0° y menor que 90°. Entonces, el ángulo complementario debe ser inevitablemente menor que el ángulo suplementario.
Triangle FGH is similar to triangle IJK. Find the measure of side KI. Round your
answer to the nearest tenth if necessary.
43
8
H Η
G
K
J
31
F
Answer:
[tex]5.8[/tex]
Step-by-step explanation:
Similar shapes also maintain a constant proportion of sides. Therefore, we can set up the following equation:
[tex]\frac{31}{43}=\frac{\text{KI}}{8}[/tex]
Solving, we get:
[tex]\text{KI}=\frac{8\cdot 31}{43}\approx \boxed{5.8}[/tex]
Match each expression to its equivalent expression. (6+8)*x 4x+4+2 1 4(2x+3) 6x+8X 1 6(x+y+z) 8x+4+3 1 4(x+2) 6х+бу+6z
If these are separated like:
(6+8)*x, 4x+4+21, 4(2x+3), 6x+8x, 16(x+y+z), 8x+4+31, 4(x+2), and 6x+6y+6z...
Then it will be (6+8)*x with 6x+8x, 4x+4+21 with 8x+4+31, 4(2x+3) with 4(x+2), and 16(x+y+z) with 6x+6y+6z. Due to like terms, it only makes the most amount of sense.
What's bolded is your answer.
EASY MATH PLEASE HELP
NO LINKS PLEASE
EXPLANANTION REQUIRED
I WILL GIVE BRAINLIEST
: ) HINT: THE ANSWER IS NOT A
Answer:
C
Step-by-step explanation:
My Apologies if Wrong!
Answer:
D) [tex]20\frac{5}{16} in.^{3}[/tex]
Step-by-step explanation:
V = whl
V = 2.5 × 3.25 × 2.5
20.3125
[tex]=20\frac{5}{16}[/tex]
[tex]20\frac{5}{16} in.^{3}[/tex]
Write a recursive formula for the sequence of numbers.
9514 1404 393
Answer:
a[1] = 3
a[n] = 2×a[n-1] +1
Step-by-step explanation:
We observe the first differences are ...
7-3 = 4
15-7 = 8
31-15 = 16
63-31 = 32
The first differences increase by a factor of 2, so we expect the recursive formula will have a term that looks like "2×a[n-1]".
The second term is 2·3+1 = 7.
The third term is 2·7+1 = 15.
This suggests our recursive formula is ...
a[1] = 3
a[n] = 2×a[n-1] +1
Ram deposited a sum of Rs 4500 in a bank at the rate of 8% per year for 2.5 years find the interest of the sum and find the amount received by him at the end of 4 years
Step-by-step explanation:
..I have Solve the question in the pic.
If anyone could explane how to get the answer to any of these questions that would be great also explain how you got the answer
Answer:
11 A. p-r=x B. a+b+c=x C. x=z-3y D. x=2p E. [tex]2a^{2}[/tex]=x F. x=p+2mn
12 A. [tex]\frac{m}{n}[/tex]=y B.y=[tex]\frac{a}{b^{2} }[/tex] C.[tex]\frac{p+3}{q}[/tex] =y D.[tex]\frac{g-h}{f}[/tex]=y E. y= [tex]\frac{x}{ab}[/tex] F.y=[tex]\frac{r}{6.14}[/tex]
Step-by-step explanation:
11. a.For all I did was to eliminate r on one side by subtracting it and doing it to the other side and get x by itself
b. This equation I just added c on both sides and got x all by itself and got a+b+c=x
c. I subtracted 3y on both sides to leave x by itself and get x=z-3y
d. I combined like terms and since I subtract 3p to cancel it off and I do it to the other side and combine 5p and -3p and get 2p and to finalize it my answer was x=2p
e. Same process as the last equation I combine like terms and [tex]ax^{2}[/tex]+a itself is [tex]2a^{2}[/tex] so
f.on this one I would also combine like terms since there are 2 mn's so I would cancel out -mn by adding mn and doing it to the same side and mn+mn=2mn, and no changes to p so x=p+2mn.
12. A.any variable attached to another variable is a sign of multiplication, so I can do the inverse to get y itself by dividing by n and do the same to the other side. [tex]\frac{m}{n}[/tex]=y.
B. I divided b^2 from b^2y and did it on both sides, and my new answer will be y=[tex]\frac{a}{b^{2} }[/tex]
C. to get y by itself, I need to divide q on both sides but the most important thing is what im gonna divide q by and that's p+3 so when I do that I get[tex]\frac{p+3}{q}[/tex] =x
D. first I subtracted h on both sides and the new equation is g-h=fy. But I'm not done yet because y is still not by itself. So now I will divide f on both sides and get [tex]\frac{g-h}{f}[/tex]=y.
E. Same method as last time we just divide the variables on both sides. ab divided on both sides and my final equation will be y= [tex]\frac{x}{ab}[/tex].
F. This one seems more complex in terms of strategizing this out. So what I did is that I used the distributive property for y([tex]\pi[/tex]+2) and when solving it out I got 3.14y+2y=r. Now, I can combine the like terms and solve for y after. 3.14y+2y=6.14y. I can divide 6.14 on both sides to get y by itself and my final answer will be y=[tex]\frac{r}{6.14}[/tex].
Plz answer these, I need to pass for my report card next week, plz Ill give 16 pts
Answer:
I only know some, I'll answer the ones I know:
Question 1 of 5:
1. Obtuse
2. Acute
3. Obtuse
4. Right
Question 4 of 5:
1. Figure A
2. None
3. Figure C
Step-by-step explanation:
Have a good day :)
Answer:
problem 1:
angle a is obtuse, angle b is acute, angle c is obtuse, angle d is right
problem 3:
triangle a is scalene, triangle b is equilateral, triangle c is isosceles, triangle d is isosceles.
problem 5:
a) triangle
b) circle
c) rectangle
problem 2:
triangle a is obtuse, triangle b is obtuse, triangle c is acute, triangle d is right.
problem 4(answers in orders):
figure a, none, figure c
Hope this helped!
Solve, using linear combination.
p + q = 0
q – p = 8
Which ordered pair, (p, q), is the solution to the system of equations?
(4, –4)
(4, –4)
(10, 1)
(−4, 4)
Answer:
(4' -4)
Step-by-step explanation:
make p subject of the formula in the first equation substitute the value in the second equation to determine q and replace q in first equation
Answer:the answer is (4, -4)
Step-by-step explanation:took the test and got it right
Simplify the ratio-
2kg : 3kg : 1.5 kg
Answer:
1.33kg : 2kg : 1kg
Step-by-step explanation:
2kg : 3kg : 1.5 kg
Given data
We have the ratio
2kg : 3kg : 1.5 kg
Let us reduce the ratio further
2/1.5: 3/1.5 : 1.5/1.5
1.33kg : 2kg : 1kg
Hence the simplified ratio is 1.33kg : 2kg : 1kg
I NEED HELP WITH THIS ASAP
Answer:
1) Most likely Graph A
2) Appears to Decrease more
Step-by-step explanation:
1) It has a more dramatic decrease in the graph, and a more fitting spacing between the numbers on the Y Axis.
2) Same Reasoning
A bookstore in the mall is trying to determine how many mall shoppers are interested in purchasing
books as gifts. To obtain a random sample, the manager surveys every third person that enters the
bookstore.
Does the sample represent the population? Why or why not?
Select the option that correctly answers both questions.
O yes, because people who are already searching for books will give the best responses
O yes, because every third person that enters the bookstore is representative of all
shoppers in the mall
O no, because the manager needs to survey every person that enters the bookstore in
order to represent the population
O no, because people in the bookstore are interested in purchasing books, so they do
not represent all shoppers in the mall
Answer:
O no, because people in the bookstore are interested in purchasing books, so they do not represent all shoppers in the mall
Step-by-step explanation:
In the bookstore, the best method which the store keeper wanted to adopt is actually not a sample representation of the population. This is because, since it would be a survey of those that interested in purchasing books as gifts, it should be able to factor in other purchasers in the mall rather than those who purchase from the bookstore only.
Doing this, would help to give an accurate representation of both group in the survey.
what is the mean of 12,24,24 and 52?
Answer: 28
Step-by-step explanation: Mean will be the average of all your numbers divided by the amount of numbers you have. So
24+24+12+52=112
Now since you have 4 numbers divide 112 by 4
So your mean is 28
Have a wonderful day!
Austin is taking an English test worth 100 points and has 25 questions. There are multiple choice questions worth 3 points each and short essay questions worth 8 points each. How many short essay questions are on Austin's test?
Use either the multiples method or the prime factors method to find the least common multiple of
14 and 6.
The graph below represents the function f (x)=2x ^2-4x+2
Answer:
c
Step-by-step explanation:
The minimum and the x intercept are the same point.
Your answer is the second best answer. The definition of an x intercept is the point on a graph where y = 0. In this case, the graph begins to move in the opposite direction from the direction it was moving.
And so the x intercept just touches the x axis. Good enough. It is still classified as the x intercept because y = 0.
Find the valur.of BAC
Answer:
X=30
The whole triangle = 180 degrees
A pair of shoes that normally sells for $85.00 goes on sale for 35% off.
Sean thinks that the sale price should be $50.00 but Melanie disagrees and says the price should be $55.25. Aiyanna says they are both wrong and decides the price should be $29.75.
Who is correct and why?
a. Melanie is correct.
b. Sean is correct.
c. Aiyanna is correct.
Answer:
A
Step-by-step explanation:
Melanie is correct
85 x 0.35 = 29.75
85 - 29.75 = 55.25
Answer:
a. Melanie is correct
Step-by-step explanation:
35% of 85= 29.75
*Find this by finding 10% (move decimal place over) and five percent (half of ten percent) and add triple of 10% plus the 5% or look it up*
Subtract this from 85
85-29.75=
$55.25
Hope this helps! Have a nice day :)
⚠️10 points⚠️
⚠️no links ir i will report ⚠️
Find the distance between the two points rounding to the nearest tenth (if necessary).
Answer:
8.9
Step-by-step explanation:
The distance between each point is 8.9, hope this helps!
Ann is twice as old as mary and three times as old as donald. Together their ages total 99. How old is ann?
Answer:
54 years
Step-by-step explanation:
Given that :
Let :
Ann's age = x
Mary's age = x/2
Donald's age = x/3
x + x/2 + x/3 = 99
Take the L. C. M
(6x + 3x + 2x) / 6 = 99
11x / 6 = 99
11x = 99 * 6
11x = 594
x = 594 / 11
x = 54
Hence, Ann is 54 years
I need help please :,(
Using the triangle below. What are the trigonometric ratios of angle A?
Answer:
D
Step-by-step explanation:
D
a piece of wood is 1.75 meter long. A carpenter saws off 0.8 meter from it. Then he saws the remaining piece into 2 pieces of equal length.
a: How many meters long is each of the equal pieces?
b: How many centimeters long is it?
Answer:
A, .475 B, .95
Step-by-step explanation:First you have 1.75m of log right, you 1.75-.8= .95
and .95/2=.475
Some one please help me!!
I NEED A AND B PLEASE
Answer:
a. three 30-60-90 triangles b. 6[tex]\sqrt{3}[/tex] + 18 or 28.39
Step-by-step explanation:
b. 6[tex]\sqrt{3}[/tex] + 2(6) + 6 = 6[tex]\sqrt{3}[/tex] + 18 ≈ 28.39
Maya invests $3,500 into an ETF which earns 7% per year. In
30 years, how much will Maya's investment be worth if
interest is compounded semiannually (twice a year)? Round to
the nearest dollar.
Please help as soon as possible
Answer:
d, b + b + 3c and 2b + 3c
Step-by-step explanation: