Your friend solves the question is your friend correct? Explain your reasoning

Someone help me with this please !!!

Your Friend Solves The Question Is Your Friend Correct? Explain Your ReasoningSomeone Help Me With This

Answers

Answer 1

Answer:

22 one is correct and so 21 its nothing wrong you can give it a+ like a teacher

reasoning: because the following equation should be done as it is so its correct

hope my answer helps you

Answer 2

Answer:

21 incorrect

22 correct

Step-by-step explanation:

21 is incorect because on the second line when he distributed -2 within the bracket it should be -14+2y+4 = -4 not -14-2y+4. because negative x negative is positive.

22. is correct


Related Questions

If each bag of tokens weighs 5 3/4 pounds, how many pounds do 3 bags weigh?

Answers

Answer:

17 1/4

Step-by-step explanation:

5 3/4 + 5 3/4+ 5 3/4= 17 1/4

The weight of 3 bags will be 17 ( ¹ / ₄ ) pounds.

What is multiplication?

Multiplication is the process of determining the product of two or more numbers in mathematics. A product, or an expression that specifies factors to be multiplied, is what happens when you multiply two numbers in mathematics.

Given that If each bag of tokens weighs 5 (³/₄) pounds and there are three bags.

To calculate the weight of all the bags multiply the weight of each bag by the number of the bags.

Total weight = 5 (³/₄) x 3

Total weight = 5 (³/₄) x 3

Total weight = ( 23 / 4 ) x 3

Total weight = 69 / 4 = 17( ¹ / ₄)

Therefore, the weight of 3 bags will be 17 ( ¹ / ₄ ) pounds.

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• 10%
5) An experiment consists of spinning the spinner shown below 200 times and recording the
results in a frequency table. Based on theoretical probability, how many times would you
expect the color blue or green to be spun?
BLUE
GREEN
YELLOW
REd

 10%5) An experiment consists of spinning the spinner shown below 200 times and recording theresults

Answers

Based on their given probabilities, e would expect the color blue or green to be spun approximately 75 times in this experiment.

How many times can the blue or green color be obtained?

To find the expected number of times the color blue or green will be spun, we first need to add their probabilities:

0.25 + 0.125 = 0.375

This means that, on average, we would expect to see blue or green spun 0.375 times for every spin. To find the expected number of times this will happen over 200 spins, we can multiply the probability by the number of spins:

0.375 x 200 = 75

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Gabriella uses 30 inches of ribbon to make bows. Each bow uses
5 inches of ribbon. How many bows does Gabriella make?

Answers

Answer:

6

Step-by-step explanation:

If she has 30 inches and each bow takes 5 inches then

30/5 = 6

Gabriella makes 6 bows

6. If you divide 30/5 u get 6. 6*5=30

A pair of parallel lines is cut by a transversal:

A pair of parallel lines is cut by a transversal. The interior angle made on the left by the intersection of the upper parallel line and the transversal is divided into 2 parts by a slanting line. One part of this angle is labeled as x, and the other part is labeled as 25 degrees. The interior angle made on the right by the intersection of the lower parallel line and the transversal is labeled as 60 degrees.

What is the measure of angle x?

30 degrees
35 degrees
65 degrees
85 degrees

Answers

Answer:

I think 30 degrees

Step-by-step explanation:

Answer:

65

Step-by-step explanation:

What is the opposite reciprocal of 2/3?

Answers

Answer:The reciprocal of 2/3 is 3/2. The product of 2/3 and its reciprocal 3/2 is 1.

Step-by-step explanation:

line a passes through (0,3) & (-4,8) line b passes through (0,5) & (5,9) lines a & b are?

Answers

Answer:

line a )y=-5/4x+3

line b) y=4/5+5

line a passes through (0,3) & (-4,8) line b passes through (0,5) & (5,9) lines a & b are?
line a passes through (0,3) & (-4,8) line b passes through (0,5) & (5,9) lines a & b are?

the length of a rectangle is 5 meters longer than the width. if the area is 23 square meters, find the rectangles dimensions. round to the nearest tenth of a meter

Answers

Answer:

The rectangle is 7.9 meters by 2.9 meters.

Step-by-step explanation:

Let l be the length and w be the width

l = w + 5

A = 23 m²

Formula: A = lw

Solve for the dimensions

23 = (w+5)w

23 = w² + 5w

w² + 5w - 23 = 0

Use quadratic formula to find the possible value/s of w

\(w = \frac{-b+-\sqrt{b^2-4ac} }{2a}\\ w = \frac{-5+-\sqrt{5^2-4(1)(-23)} }{2(1)} \\w = \frac{-5+-\sqrt{25+92} }{2}\\ w = \frac{-5+-\sqrt{117} }{2} \\w = \frac{-5+-\sqrt{9(13)} }{2} \\w = \frac{-5+-3\sqrt{13} }{2}\\ w = \frac{-5+3\sqrt{13} }{2} = 2.9\\ w = \frac{-5-3\sqrt{13} }{2} = -7.9\)

Since we're dealing with dimensions, take the positive value which is 2.9.

w = 2.9 m

Substitute the value to l = w + 5

l = 2.9 + 5

l = 7.9 m

In a continuous series median lies in the class interval 10-15 and the cumulative frequency of its preceding class is 28. If the frequency of median class is 15 and the sum of the frequencies of the series is 65, find the median. (Ans: 11.5)​

Answers

The median of the continuous series  is 1.5.

What is median?

The middle value in a categοrized list οf numbers is knοwn as the median, and it is οften mοre indicative οf a data cοllectiοn than the average. When there are οutliers in the series that cοuld cause the average οf the values tο be skewed, the median is sοmetimes chοsen instead οf the mean.

Here cumulative frequency \(f_c= 28\)

Frequency of median \(f_m=15\)

Now sum of the frequency = 65

And i = 15-10 = 5

Now we are in a position to use the formula for median:

Median = \(\frac{\frac{N}{2}-f_c}{f_m}\times i\)

=> Median = \(\frac{\frac{65}{2}-28}{15}\times 5\) = \(\frac{32.5-28}{3} =\frac{4.5}{3} = 1.5\)

Hence the median of the continuous series  is 1.5.

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If there are penguins in the aquarium is full of fish, then this is an octopus write
this in Symbolic form

If there are penguins in the aquarium is full of fish, then this is an octopus write this in Symbolic

Answers

The compound statement "If there are penguins and the aquarium is full of fish, then this is an octopus" can be written in symbolic form as: r ∧ q → o

How to explain the information

Let's assign variables to represent the statements:

q: The aquarium is full of fish.

r: There are penguins.

The compound statement "If there are penguins and the aquarium is full of fish, then this is an octopus" can be written in symbolic form as: r ∧ q → o

∧ represents the logical operator "and" which connects the statements r and q.

→ represents the logical operator "implies" or "if...then".

o represents the statement "this is an octopus".

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Suppose that the width of a rectangle is 4x and it’s length is 6x. Write an algebraic expression for the area of the rectangle in terms of x

Answers

Answer:

4x+4x x 6x+6x =20x mark me as brilliant

Please help! Correct answer only, please! Which of the following is a Hamiltonian Circuit, beginning at vertex A, for the given graph? A. ADBCA B. ABCDA C. ACBDA D. all of the above

Please help! Correct answer only, please! Which of the following is a Hamiltonian Circuit, beginning

Answers

Answer: d) all of the above

Step-by-step explanation:

A Hamiltonian circuit is where you follow the path of the circuit touching EVERY VERTEX only ONE time.

Notice that each path given allows every vertex to be touched and each vertex is touched only once.

Therefore, all the options given are valid paths for a Hamiltonian circuit.

Carlos is two-thirds of his grandfather's height. If his grandfather is 6 feet tall, how tall is Carlos?

Answers

Answer:

he is 4 feet

Step-by-step explanation:

Answer:

2/3 x 6 = 4

2/3 x 3 = 2

Therefore, two thirds of 6 feet 3 inches is equal to 4 feet 2 inches.

Step-by-step explanation:

mark me as brainlist please

Suppose that you have estimated the first five autocorrelation coefficients using a series of length 81 observations and found them to be Lag 2 4 5 Autocorrelation coefficient 0.412 -0.205 -0.332 0.005 0.543 3 Which autocorrelation coefficients are significantly different from zero at the 5% level? Select one: a. The first, second, third, and fifth autocorrelation coefficient b. The first, third, and fifth autocorrelation coefficient c. The second and fourth autocorrelation coefficient. d. The first and fifth autocorrelation coefficient

Answers

b. The first, third, and fifth autocorrelation coefficient.

To determine which of the autocorrelation coefficients are significantly different from zero at the 5% level, you would need to perform a hypothesis test. The null hypothesis would be that the autocorrelation coefficient is zero, and the alternative hypothesis would be that it is not zero. To perform the hypothesis test, you would need to calculate a p-value for each autocorrelation coefficient. The p-value is the probability of observing a test statistic at least as extreme as the one that was actually observed, given that the null hypothesis is true.

If the p-value is less than 0.05, it can be concluded that the autocorrelation coefficient is significantly different from zero at the 5% level. If the p-value is greater than or equal to 0.05, it cannot be concluded that the autocorrelation coefficient is significantly different from zero. Based on this information, the correct answer would be: b. The first, third, and fifth autocorrelation coefficient.

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Which numbers make a true statement when placed in the box?
11.436 > 0
Select each correct answer.
11.422
11.484
11.621
11.286
o
Please help

Answers

The 11.422 one I hope I get u the right one sorry if not

What is the area of the rectangle 3cm for width and 8cm for length

Answers

Answer:

3cm for width and 8cm for length the area for the rectangle is 24cm

Why would it be difficult to model and solve equations with algebra tiles or balance scales

Answers

Solving equations with algebra tiles or balance scales is difficult due to its limitation which is explained below.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

Because of their 2-d existence, algebra tiles can only model graduate degrees or reduced polynomials. Their physical nature furthermore restricts the number of different factors that can appear in the algebraic expressions they model, as well as the complexity of their understanding of contradiction and subtraction.

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Which inequality represents the situation described below?
The distance, d, is less than 200 miles.
A. d ≥ 200
B. d > 200
C. d ≤ 200
D. d < 200

Answers

Hello!

The distance, d, is less than 200 miles.

B. d > 200

HELP. i am so confused. the question is in the picture

HELP. i am so confused. the question is in the picture

Answers

1) If we consider that y=f(2x) is a transformed version of y=f(x) then we can set a t-table and plug for the given point (16,8) the x-coordinate x=16

\(\begin{gathered} (16,8)-\longrightarrow f(x)-->y=\frac{1}{2}x \\ \end{gathered}\)

Since the new function, f(2x) requires us to divide the input by 2 to compensate

solve x 9/× = x/4 what is x​

Answers

Answer:

x = - 6, x = 6

Step-by-step explanation:

\( \frac{9}{x} = \frac{x}{4} \\ \\ x \times x = 9 \times 4 \\ \\ {x}^{2} = 36 \\ \\ x = \pm\sqrt{36} \\ \\ x = \pm 6 \\ \\ x = - 6, \: \: x = 6\)

what is 7/10 times 1000

Answers

700, when you divide 7 by 10, you’ll get 0.7. Then you multiply 0.7 by 1000, you’d get 700.
The answer of the question is 700

A pretzel stick measures 6 inches in length Mr Bates just took a bite of it and now it is 35% smaller Which of the following expressions can be used to
6(0.35)
6(0.65)
6-6 (0.35)
6- 6 (0.65)

Answers

Answer: B.

Step-by-step explanation: Mr. Bates made the pretzel 35% SMALLER. That means that the remains of the pretzel is 65% of the original 100% of the pretzel. Therefore, the answer is B.

the answer is B

it is 35% smaller which is another way of saying the pretzel is 65% of its original size. to find the new size we multiply it by .65 so the answer is B

If the following data were transformed and points with the coordinates
(x, log(y)) were plotted, what points would be plotted? Round log(y) to three
decimal places.
X
1
2
3
y
12
83
580

If the following data were transformed and points with the coordinates(x, log(y)) were plotted, what

Answers

If the data were transformed and points with the coordinates

(x, log(y)) were plotted then the points (1, 1.079), (2, 1.919), (3, 2.763) were plotted.

To plot the points with the coordinates (x, log(y)), we need to take the logarithm of the y-values.

Let's calculate the logarithms for the given data:

x     y            log(y)

1     12          log(12) = 1.079

2     83        log(83) = 1.919

3     580      log(580) = 2.763

Therefore, the points that would be plotted are (1, 1.079), (2, 1.919), (3, 2.763)

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In the diagram figure PMNO is the image of figure ABCD


What is the name of the image of AD?

○ MP
○ PO
○ DA
○ ON

In the diagram figure PMNO is the image of figure ABCDWhat is the name of the image of AD? MP PO DA ON

Answers

The name of the figure illustrated in the image of AD is Side B. PO.

How to illustrate the diagram?

From the diagram in the question, Figure ABCD is the Image of PMNO, that is each vertex is a corresponding pair of the other image. This implies that P with AM with BN with CO with D

The same can be applied to the sides in the two images ABCD correspond with PMNO, also each corresponding side will be AD to PO. In this case, AB to PMBC to MNDC to ON.

Therefore, the image of side AD must be PO.

In conclusion, the correct option is B.

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The rear windshield wiper of a car rotated 120 degrees,as shown. Find the area cleared by the wiper. 25inch,120 degrees, 14inch

The rear windshield wiper of a car rotated 120 degrees,as shown. Find the area cleared by the wiper.

Answers

The rear windshield wiper of a car rotated 120 degrees, as shown in the figure. The area cleared by the wiper blade is approximately 205.875 square inches.

The problem states that a car’s rear windshield wiper rotates 120 degrees, as shown in the figure. Our aim is to find the area cleared by the wiper.

The wiper's arm is represented by a line segment and has a length of 14 inches.

The wiper's blade is perpendicular to the arm and has a length of 25 inches.

Angular degree measure indicates how far around a central point an object has traveled, relative to a complete circle. A full circle is 360 degrees, and 120 degrees is a third of that.

As a result, the area cleared by the wiper blade is the sector of a circle with radius 25 inches and central angle 120 degrees.

The formula for calculating the area of a sector of a circle is: A = (θ/360)πr², where A is the area of the sector, θ is the central angle of the sector, π is the mathematical constant pi (3.14), and r is the radius of the circle.

In this situation, the sector's central angle θ is 120 degrees, the radius r is 25 inches, and π is a constant of 3.14.A = (120/360) x 3.14 x 25²= 0.33 x 3.14 x 625= 205.875 square inches, rounded to the nearest thousandth.

Therefore, the area cleared by the wiper blade is approximately 205.875 square inches.

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Out of 195 students, 9% have
hazel eyes. How can you estimate the number of
students with hazel eyes?

Answers

Answer:

round it to 18 since 9% of 195 is 17.55

Step-by-step explanation:

need help pleaseeeee

need help pleaseeeee

Answers

Answer:

put all 3 together. so...

8 + 6 + 3 = 17

-35 + (-5) + (-1) = -41

17x - 41 = 180 (how many degrees a triangle has)

+ 41. + 41

17x = 221

÷17. ÷17

x = 13

What is the value of the expression below?


-(1/5) exponent 4

Answers

Answer:

Fraction Answer: -1/165

Decimal: - 0.0016

Step-by-step explanation:

( 1/5)^4 = 1^4/5^4

New fraction exponet

1^4/5^4

Solve

1^4/5^4

1^4 = 1

5^4 = 165

Answer

- 1/165

Evaluate |x - y| + 4 if x = -1, y = 3, and z = -4.

Answers

Answer:

8

Step-by-step explanation:

Substitute the values in the expression, we have:

\(\displaystyle{|-1-3|+4}\)

Evaluate:

\(\displaystyle{|-4|+4}\)

Any real numbers in the absolute sign will always be evaluated as positive values. Thus:

\(\displaystyle{|-4|+4 = 4+4}\\\\\displaystyle{=8}\)

Hence, the answer is 8. A quick note that z-value is not used due to lack of z-term in the expression.

Stephen buys a melon and divided into six servings he eats 1/3 of the melon or over the weekend how many slices of melon does Stephen eat over the weekend?​

Answers

Answer:

2 slices

Step-by-step explanation:

As given, Stephen buys a melon and divides it into 6 servings. And he eats 1/3 melon over the weekend. Hence, Stephen eats 2 slices over the weekend.

Which of these triangles appear to be congruent to each other? Check all that
apply.

Which of these triangles appear to be congruent to each other? Check all thatapply.

Answers

Answer:

Triangles A, B, and E look the same to me...

C has three different side lengths

D has a right angle and

F looks little skinnier

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