Solve the quadratic equation below by finding square roots. Select all that apply.
Answers
Answer:
5
Step-by-step explanation:
That's all I could come up with
The solutions to the quadratic equation [tex]$x^2 = 25$[/tex] are x = 5 and x = -5. Thus, the correct options are 5 and -5.
To solve the quadratic equation [tex]\(x^2 = 25\)[/tex] by finding square roots, we take the square root of both sides.
Taking the square root of 25, we get [tex]\(x = \pm 5\)[/tex].
So, the solutions are [tex]\(x = \pm 5\)[/tex].
Therefore, the correct options are:
5
-5
Related Questions
HeLP!! will mark brainlest!
Answers
WILL MARK BRAINIEST PLZ HELP
Answers
Answer:
473 adult tickets and 782 student tickets
Hope this helps :)
Blackjack is a popular card game or cards are assigned various point values. Face cards and tens are the only cards worth 10 points. Each round begins with the player being dealt two cards. The table below is a partially completed probability distribution for the random variable Y, where Y is the number of 10 point cards a player gets at the beginning of a round. Find the missing probability in the table for P(0).
Answers
The probability of not drawing a 10-point card in the first two draws in a game of Blackjack, represented as P(0), is approximately 0.475 or 47.5%.
Explanation:The subject of this question is probability in the card game of Blackjack, specifically relating to the chance of drawing a 10-point card (all tens and face cards). To calculate the probability of not drawing any 10-point cards in the initial draw (2 cards), we need to determine the total number of 10-point cards and two-card combinations that do not involve any 10-point card.
A standard deck of 52 cards has 16 that are worth 10 points (four tens, four jacks, four queens, and four kings). The number of all possible two-card draws is '52 choose 2', or 1326 (calculated using combination formula).
The number of two-card combinations not involving any 10-point card, is equal to '36 choose 2', as there are 36 non-10-point cards in the deck (52 total minus 16 that are worth 10). This equals 630.
Therefore, the probability P(0), i.e., of not drawing any 10-point cards in the initial draw, is 630 / 1326 = 0.475 or 47.5%.
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The missing probability in the table, representing the likelihood of drawing one 10 point card at the beginning of a Blackjack round is 0.475.
Explanation:Let's solve for P(Y = 0) given the probability distribution table for the random variable Y, where Y represents the number of 10-point cards a player gets at the beginning of a round:
Y 0 1 2
P(Y) ? 0.435 0.090
We know that the sum of all probabilities for all possible outcomes must equal 1. Therefore:
[tex]\[ P(Y = 0) + P(Y = 1) + P(Y = 2) = 1 \][/tex]
Substituting the known probabilities:
[tex]\[ P(Y = 0) + 0.435 + 0.090 = 1 \][/tex]
Now, solve for P(Y = 0):
[tex]\[ P(Y = 0) = 1 - 0.435 - 0.090 \][/tex]
[tex]\[ P(Y = 0) = 0.475 \][/tex]
So, after the calculation, P(Y = 0) equals 0.475.
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Question:Blackjack is a popular card game or cards are assigned various point values. Face cards and tens are the only cards worth 10 points. Each round begins with the player being dealt two cards.
The table below is a partially completed probability distribution for the random variable Y, where Y is the number of 10 point cards a player gets at the beginning of a round.
Y 0 1 2
P(Y) ? 0.435 0.090
Find the missing probability in the table.
P(Y=0) =
What is 5 7/12 minus 3 11/22
Answers
Answer:
5/3 or 1.66666666 or 1 2/3
Step-by-step explanation:
Subtract like normal
Look at the attached picture
Hope it will help you...
(AAAASSSSSSAAAAPPPP!)
Which expression or equation is equivalent to the following?
3(2x+1)
A) 5x +4
B) 3x +6
C) 3+6x
Answers
Which function is linear?
A). f(x) = |7x| + 2
B). f(x) = 1/7x + 2
C). f(x) = 7x − 2
D). f(x) = |7x| − 2
Answers
Answer:
C
Step-by-step explanation:
Option C is the only one that's linear because it follows all of the rules for a line to be linear. To check, use the process of elimination:
A). When x is an absolute value, the line will not be linear because an input will have two outputs.
B). x cannot be in the denominator of a fraction for the line to be linear
D). Once again, x cannot be an absolute value.
*Note: I'm assuming in option B, 7x is in the denominator and 1 is in the numerator. If the fraction is simply 1/7 multiplied by x, it is linear along with C.
Answer:
C
Step-by-step explanation:
i took the k12 test
George sold 18, 22, 26, 12, 25, 20, and 19 cars per month over the past seven months. He followed the steps below to determine the number of cars he needs to sell in the next month to have a mean number of sales per month of 24.
Step 1: Find the total cars needed to have a mean of 24: 24 times 7 = 168.
Step 2: Find the total cars sold: 18 + 22 + 26 + 12 + 25 + 20 + 19 = 142.
Step 3: Subtract the total cars sold from the total cars needed: 168 minus 142 = 26.
Step 4: State the answer: George needs to sell 26 cars next month.
Where did George make his first mistake?
Step 1
Step 2
Step 3
Step 4
Answers
George made his first mistake in Step 1 by calculating the mean for 7 months instead of 8. The correct calculation should be 24 times 8 to find the total number of cars he needs for an 8-month period.
The student has asked where George made his first mistake in determining how many cars he needs to sell to have a mean number of sales of 24 per month. Reviewing the steps he took, it is important to ensure the right number of periods is considered. In this case, if George is calculating the mean across 8 months rather than 7 months, as 7 months have passed and he needs the average after the next month (the 8th), he made his first mistake in Step 1 where he calculated 24 * 7 instead of 24 * 8. Therefore, the correct calculation should be 24 times 8 which equals to 192. This is the total number of cars he needs to have sold over the 8 months, to achieve a mean of 24 cars sold per month.
A group of students is going on a field
trip. Each bus can take up to 45 students.
Which inequality represents the possible numbers x of students on the bus?
Answers
Answer:
I would help you but u only gave one number and x is there something I’m supposed to be solving
Step-by-step explanation:
Quick answer pleaseee
Answers
Oliver weighs 6 pounds. When he is an adult cat, he will weigh about 445% as much as his current weight. Write 445% as a fraction and as a decimal.
Answers
Answer:
445/100 & 4.45
Step-by-step explanation:
Fraction: 4 45/100 or 445/100
decimal: 4.45
__________ and other cash crops are grown on the fertile lands of Mt. Kilimanjaro’s slopes.
A.
Oranges
B.
Rice
C.
Coffee
D.
Maize
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer:
Coffee doing it rn
Step-by-step explanation:
Which of the following points is closest to (3,0)?
A) point A
B) point B
C) point C
D) point D
Answers
Point B is the closest
Answer:
B) point B
Step-by-step explanation:
It is the only one on the positive side of the X intercept, and (3,0) is positive. You can get easily confused considering they are all TECHNICALLY the same distance away but since point B is most SIMILAR that would be your answer.
Hope this helped lots and lots,
sincerely, me
Help help help me please
Answers
Answer:
[tex]A[/tex] ≈ [tex]80.03[/tex]
Step-by-step explanation:
I used the equation [tex]A=[/tex] π[tex]r(r+h^{2}+r^{2})[/tex] to find the surface area
i hope this helps
Alice was flying a kite when a gust of wind caught the kite in a tree. Alice is standing 10 feet from the base of the tree, looking up at her kite at an angle of 25If Alice is 5 feet tall, approximately how high is the kite off of the ground?
Answers
Answer:
Step-by-step explanation: about 16.03 ft. Using trig. 10/cos 25 deg. = 11.03. . . + 5 = 16.03
what is 30 .9 tonnes when divided by vbdavbhsdbvlavhbshbvsdh
Answers
Answer:
356.484 million
Step-by-step explanation:
Answer:
356.484 million
Step-by-step explanation:
Complete the table for missing values of p
Answers
Answer:
The answer is 50:22 and 60:12
Step-by-step explanation:
Justin and Desiree each wrote a ratio comparing the numbers of students and tables in their classroom. There are 6 tables in the room with 4 students at each table.
Justin states that the ratio is 4:1.
Desiree insists the ratio is 24:6.
They both ask Luke to tell them which ratio is correct. Which statement below would be the best answer for Luke?
Justin is correct because there are 4 students per table. A ratio is not correct unless it uses the smallest possible numbers.
Desiree is correct because there are 24 students to 6 tables in the room. A ratio must account for the total number of each value.
Both are correct. Desiree’s ratio compares the total number of students in the room to the total number of tables, while Justin’s is equivalent but simplified to students per table.
Neither is correct because they should have 4:6 or 2:3 for the 4 students and 6 tables.
Answers
Answer:
Both are correct. Desiree’s ratio compares the total number of students in the room to the total number of tables, while Justin’s is equivalent but simplified to students per table.
Step-by-step explanation:
students : tables
4 : 1
4×6 : 1×6
24 : 6
The two are equivalent ratios
Answer:
C both are correct
brainliest plz
Step-by-step explanation:
Question 2:
Factor out the greatest common factor in 12x^2 + 18x.
Choose 1 answer:
A. 6x (2x + 3)
B. 6x(2x + 18x)
C. 6x(3 + 12x^2)
Answers
Answer:
the answer is
6x(2x+3)
The scatter plot below shows the distances some employees of a company commute to work and the annual
salary each earnsImmersive Reader
A. As the length of the commute increases, the annual salary increases.
B. As the length of the commute increases, the annual salary decreases.
C. As the length of the commute increases, the annual salary remains constant
D. There is no relationship between the length of the commute and annual salary.
Answers
Answer:
It is a
Step-by-step explanation: I looked it up
What is the value of x in the equation 1.5(x + 4) - 3 = 4.5(x - 2)?
Answers
Answer:
x=4
Step-by-step explanation:
1.5(x + 4) - 3 = 4.5(x - 2)
Distribute
1.5x + 6 -3 = 4.5x - 9
Combine like terms
1.5x +3 = 4.5x -9
Subtract 1.5x from each side
1.5x -1.5x +3 = 4.5x -1.5x-9
3 = 3x-9
Add 9 to each side
3+9 = 3x-9+9
12 =3x
Divide each side by 3
12/3 = 3x/3
4=x
Answer:
x = 3
Step-by-step explanation:
Solve: 3x - 2x + 4 = 5x - 4x - 8
A)
3
B)
6
9
-3
no solution
Answers
Answer:
no soution
Step-by-step explanation:
3x - 2x + 4 = 5x - 4x - 8
Combine like terms
x+4 = x-8
Subtract x from each side
x+4-x =x-x-8
4 = -8
This is never true so there is no solution
300 dollars per week equals to how many hours of work?
Answers
Answer:
= 168 hrs of work
Step-by-step explanation:
I week = 7 days
If 1 day = 24hrs
What about 7 days = ?
= 7 x 24
= 168 hrs of work
To get how much he gets per hour, you divide 300 by the number of hours
= 300 ÷ 168
= 1.785
= 1 dollar 79 cents
Write and solve an inequality to find the values of x for which the perimeter of the rectangle is less than 120.
A rectangle has a width of x and a length of x plus 4.
Answers
Answer:
Inequality : 4x+8 < 120
x<28
Step-by-step explanation:
Hi, to answer this question we have to apply the next formula:
Perimeter of a rectangle (P)= 2 length +2 width
Where:
Width = x
Length = x+4
Replacing with the values given
P = 2 (x+4) + 2x
P = 2x+8+2x
P=4x+8
Since the perimeter of the rectangle must be less than 120:
4x+8 < 120
Solving for x
4x<120-8
4x<112
x<112/4
x<28
Feel free to ask for more if needed or if you did not understand something.
To find the values of x for which the perimeter of a rectangle is less than 120, you would solve the equation 2*(x + (x+4)) < 120. After simplifying and solving, the result is x < 28.
Explanation:In this problem, you are asked to find the values of x for which the perimeter of a rectangle is less than 120. The rectangle has width of x and a length of x plus 4.
The perimeter of a rectangle is defined as 2*(length + width). Plugging the lengths in for our rectangle, we get 2*(x + (x+4)) < 120. Simplifying this inequality gives 2*(2x + 4) < 120
From there, you want to distribute the 2 across the equation, which gives 4x + 8 < 120. Subtract 8 from both sides to get 4x < 112, and then divide both sides by 4 to find x < 28. So, the possible values of x are those less than 28.
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Consider the figure shown. What solid three dimensional object is
produced by rotating the rectangle about line m?
Answers
Answer:
Provide a photo.
Step-by-step explanation:
Ivan is playing a skee-ball game. Different points are awarded depending on which hole the ball goes through. When the ball goes in the smallest hole, it is worth 100 points. When it goes in the bigger hole, it is worth 10 points, and when it does not go in either hole, it is worth 1 point. Ivan earned 352 points in the last game.
Which combination will result in a score greater than his current score?
2 balls in the smallest hole, and 8 balls in the bigger hole
4 balls in the smallest hole, and 6 balls in neither hole
3 balls in the smallest hole, 4 balls in the bigger hole, and 3 balls in neither hole
3 balls in the smallest hole, 3 balls in the bigger hole, and 4 balls in neither hol
Answers
Answer: 4 balls in the smallest hole and 8 balls in the bigger hole
Explanation: Since 1 ball in the smallest hole in worth 100 points and 4 balls in the smallest hole, then we multiply 4 by 100 to get 400. And also, every ball that doesn't make either one of the holes, it counts as 1 point , so we multiply 1 by 6 to get 6. Finally add up 400 and 6 to get 406, more than his current score.
4. Do you think a binary code can be transmitted by light, sound, or radio waves, or only by using an electrical current? Explain your answer.
Answers
Answer:
Yes, they came up with the telegraph, which transmits through radio waves. Binary code could probably also be transmitted in light, sound, or radio waves.
Binary code can be transmitted through light, sound, and radio waves, not just electrical current. These transmissions use AM, FM, and phase modulation, with light waves as the most efficient for high-speed data transfer.
Binary code can indeed be transmitted through various mediums besides just electrical current. This includes light, sound, and radio waves. Radio waves do indeed belong to the electromagnetic spectrum just like light waves do but with lower frequencies. Thus, a radio detects these electromagnetic waves, not light in the visual sense, and converts them into sound waves we can hear.
Light waves, unlike sound waves, do not need a physical medium to travel; they can move through a vacuum, transmitting information efficiently as electromagnetic waves. This is the principle behind fiber optic cables, which use pulses of light to transmit information encoded as binary code at high speeds. The rate at which information can be transmitted on an electromagnetic wave is proportional to its frequency, explaining why high-frequency laser transmissions in fiber optics can carry more conversations than lower-frequency electronic transmissions in wires.
Consider this system of equations. Which shows the first equation written in slope-intercept form?
(2x+10) - 7x
y = 8
Answers
Answer:
y = 7x - 5 this is slope-intercept form
Step-by-step explanation:
We start with (1/2)(2y + 10) = 7x
y + 5 = 7x
y = 7x - 5 this is slope-intercept form
In Aunt Melly’s attics there are also spiders and ants, the total of 136 legs and 20 heads. If a spider has 8 legs and an ant has 6 legs, how many spiders and how many ants are there?
HELP ASAPPP
Answers
Answer:
12 ants, 8 spiders.
Step-by-step explanation:
Perimeter:
Find the missing length by looking at the sides that
are equal.
Answers
Answer:
top left perimeter is 36 top left is 28 bottom right is 72 i cant see the bottom left
Step-by-step explanation:
but yeah just take each number multiply by 2 then add both of them up
What is the mean absolute deviation of the data set? 8, 5, 12, 4, 5, 8, 7 1 2 5 7
Answers
The mean absolute deviation (MAD) is a measure of the spread of a data set, calculated as the average of the absolute deviations of each data point from the data set's mean. For the given data set, the MAD is approximately 2.42.
The mean absolute deviation (MAD) of a data set is a measure of variability that represents the average difference between each data point and the mean of the data set. To calculate MAD, follow these steps:
Calculate the mean (average) of the data set.Calculate the deviation of each measurement, which is the absolute value of the difference between each measurement and the mean.Sum all the absolute deviations.Divide the sum by the number of data points in the data set to get the MAD.For the data set 8, 5, 12, 4, 5, 8, 7, 1, 2, 5, 7, the mean is 5.8 (sum of all numbers divided by the number of numbers). Here are the deviations from the mean:
|8 - 5.8| = 2.2|5 - 5.8| = 0.8|12 - 5.8| = 6.2|4 - 5.8| = 1.8|5 - 5.8| = 0.8|8 - 5.8| = 2.2|7 - 5.8| = 1.2|1 - 5.8| = 4.8|2 - 5.8| = 3.8|5 - 5.8| = 0.8|7 - 5.8| = 1.2Summing all the absolute deviations gives us 26.6. With 11 data points, the MAD is 26.6 / 11 = 2.42.