Which of the following statements are true?

It shows addition. But imma show the answer cuz I can ^v^.

y+2=-6

We want to cancel out the 2, cuz it on the wrong side.

y+2=-6

 -2   -2

y=-8

that's as far as it goes

---

hope it helps

According to the statement Jones's new time compared with the old time was \(\frac{1}{5}\) or one-fifth of the original time.

Jones covered a distance of 50 miles on his first trip.

On a later trip, he traveled 300 miles while going three times as fast.

To find out how the new time compared with the old time, we can use the formula:
\(speed=\frac{distance}{time}\).
On the first trip, Jones covered a distance of 50 miles.

Let's assume his speed was x miles per hour.

Therefore, his time would be \(\frac{50}{x}\).
On the later trip, Jones traveled 300 miles, which is three times the distance of the first trip.

Since he was going three times as fast, his speed on the later trip would be 3x miles per hour.

Thus, his time would be \(\frac{300}{3x}\)).
To compare the new time with the old time, we can divide the new time by the old time:
\(\frac{300}{3x} / \frac{50}{x}\).
Simplifying the expression, we get:
\(\frac{300}{3x} * \frac{x}{50}\).
Canceling out the x terms, the final expression becomes:
\(\frac{10}{50}\).
This simplifies to:
\(\frac{1}{5}\).
Therefore, Jones's new time compared with the old time was \(\frac{1}{5}\) or one-fifth of the original time.

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Jones traveled three times as fast on his later trip compared to his first trip. Jones covered a distance of 50 miles on his first trip. On a later trip, he traveled 300 miles while going three times as fast.

To compare the new time with the old time, we need to consider the speed and distance.

Let's start by calculating the speed of Jones on his first trip. We know that distance = speed × time. Given that distance is 50 miles and time is unknown, we can write the equation as 50 = speed × time.

On the later trip, Jones traveled three times as fast, so his speed would be 3 times the speed on his first trip. Therefore, the speed on the later trip would be 3 × speed.

Next, we can calculate the time on the later trip using the equation distance = speed × time. Given that the distance is 300 miles and the speed is 3 times the speed on the first trip, the equation becomes 300 = (3 × speed) × time.

Now, we can compare the times. Let's call the old time \(t_1\) and the new time \(t_2\). From the equations, we have 50 = speed × \(t_1\) and 300 = (3 × speed) × \(t_2\).

By rearranging the first equation, we can solve for \(t_1\): \(t_1\) = 50 / speed.

Substituting this value into the second equation, we get 300 = (3 × speed) × (50 / speed).

Simplifying, we find 300 = 3 × 50, which gives us \(t_2\) = 3.

Therefore, the new time (\(t_2\)) compared with the old time (\(t_1\)) is 3 times faster.

In conclusion, Jones traveled three times as fast on his later trip compared to his first trip.

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The last option is correct.

The statistics student can be 99% confident that the interval from 0.526 to 0.704 captures the true proportion of all students at this school who are actively involved in a political party.

What is political party?

A political party is a group that arranges candidates to run in elections in a certain nation. It is typical for party members to share similar political viewpoints, and parties may support particular ideologies or policy objectives.

Given: A statistics student from a large high school takes a random sample of 200 students and finds that 123 are actively involved in a political party.

A 99% confidence interval for the proportion of students at this school who are actively involved in a political party is (0.526, 0.704).

Hence, the  statistics student can be 99% confident that the interval from 0.526 to 0.704 captures the true proportion of all students at this school who are actively involved in a political party.

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Answer:

Can someone help me with this to pleasee

Step-by-step explanation:

The area between two standard deviations below the mean and one standard deviation above the mean encompasses approximately 68% of the data in a normal distribution.

In statistics, a normal distribution, also known as a Gaussian distribution or bell curve, is a probability distribution that is symmetric and characterized by its mean and standard deviation. The mean represents the center of the distribution, while the standard deviation measures the spread or variability of the data.

When considering a normal distribution, it is known that about 68% of the data falls within one standard deviation of the mean. This means that approximately 34% of the data lies between the mean and one standard deviation below it, and another 34% lies between the mean and one standard deviation above it.

Extending this concept, we can conclude that two standard deviations below the mean would capture an additional 13.5% of the data, given that the distribution is symmetric. Therefore, the area between two standard deviations below the mean and one standard deviation above the mean encompasses approximately 68% (34% + 34%) + 13.5% = 81.5% of the data in a normal distribution.

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Hiya!!

The answer is...

C.

Good luck!

\(Sokka \)

Answer:

C

Step-by-step explanation:

the point lies in the shaded regions of both the top and bottom inequalities

Reject H0 if the test statistic is less than  -1.321  or greater than  1.321  .

What is a hypothesis simple definition?

A tested assertion regarding the relationship between two or more variables .

                  a theory put out to explain an observed occurrence is referred to as a hypothesis (plural: hypotheses) in a scientific context.      

Reject H0 if the test statistic is less than  -1.321  or greater than  1.321  .

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Answer:

OB

Step-by-step explanation:

Answer:

The answer would be A because the person would go up 7 floors, go down 2, and go down five more.

Step-by-step explanation:

Answer:

25% Since it is an increase

Step-by-step explanation:

Step-by-step explanation:

you subtract the current population from the previous population.

55112-47230= 7882

Answer:

1. subtract the old population from the new population  (55,112 - 47,230)

2. Divide your answer by the old population and multiply what you get times 100.

55,112 - 47,230 = 7882

7,882/47,230 * 100 = 16.68

The largest possible whole-number length for the third side is 18, which satisfies all three inequalities.

The triangle inequality theorem explains the relationship between the three sides of a triangle. This theorem states that for any triangle, the sum of the lengths of the first two sides is always larger than the length of the third side.

Let x be the length of the third side. By the triangle inequality, we have:

3 + 16 > x and 16 + x > 3 and 3 + x > 16

Simplifying, we get:

19 > x and x > 13 and x < 19

The largest possible whole-number length for the third side is 18, which satisfies all three inequalities.

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Then Ted sold 14 smoothies for $2.

Ted needed $52 to buy shoes. So, he decided to sell homemade smoothies for $2 each or three for $4. He had enough money after selling 32 smoothies. We have to find out how many he sold for $2.

Let's solve this problem step by step.Let's assume that Ted sold x smoothies for $2 and y packs of three smoothies for $4.

Now, we can form two equations from the given information:

Equation 1: x + 3y = 32 (As he sold 32 smoothies in total)

Equation 2: 2x + 4y = 52 (As he made $52 after selling all the smoothies)

Now, let's solve the equations simultaneously by eliminating y.

Equation 1 × 2: 2x + 6y = 64Equation 2: 2x + 4y = 52 Subtracting Equation 2 from Equation 1 × 2:2x + 6y - (2x + 4y) = 642y = 12y = 6

Now we have the value of y.

To find x, we can use Equation 1:x + 3y = 32x + 3(6) = 32x + 18 = 32x = 32 - 18x = 14

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Answer:

To me its A but i fully dont know im sorry if you get this wrong :(

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

These are the parametric equations of the line that passes through the points (6, 2) and (3, 4).

To find the parametrization of the line that passes through the points (6,2) and (3,4), we can use the following steps:Step 1: Find the direction vector of the line.The direction vector can be found by subtracting the coordinates of one point from the coordinates of the other point.(3, 4) - (6, 2) = (-3, 2)The direction vector of the line is (-3, 2).Step 2: Choose a parameter t and find the parametric equations of the line.To find the parametric equations of the line, we need to choose a parameter t. The parameter t will give us the coordinates of all the points on the line. We can choose any value of t.To make the calculations easier, we can choose t = 0 for one of the points. Let's choose t = 0 for the point (6, 2). This means that when t = 0, the coordinates of the point on the line are (6, 2).We can now use the direction vector and the point (6, 2) to find the parametric equations of the line:x = 6 - 3t y = 2 + 2t

These are the parametric equations of the line that passes through the points (6, 2) and (3, 4).

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Answer:

994

Step-by-step explanation:

(8+2) = 10

10^3 = 1000

1000 - 6 = 994

Answer:

994

Step-by-step explanation:

(8+2)³-6

10³-6

1000-6

994

Hope that helps!

Answer: 11

Step-by-step explanation: 5x-15= 3x+7

Combine like terms: 2x= 7+15

Add = 2x= 22

Divide: equals 11

Answer:

-8

10*-8=-80

-80-20 +-100

Answer:

the number is -2/7

Step-by-step explanation:

let the number be x

2x ×4= 7x-2/7

8x = 7x-2/7

collect like terms

8x-7x = -2/7

X= -2/7

Answer:

50

Step-by-step explanation:

Parentheses first, but division before subtraction

9 -      28/7

9 -     4

9 - 4 = 5

30/3(5)

Now go left to right

10 x 5

50

Answer:

Three times a number, when subtracted from the square of that number gives four.

Step-by-step explanation:

HOPE THIS HELPS YOU

HOPE THIS HELPS YOUFollw me = 10 thanks

HOPE THIS HELPS YOUFollw me = 10 thanksMark as brainliest = 10 thanks

HOPE THIS HELPS YOUFollw me = 10 thanksMark as brainliest = 10 thanks1 thanks to me = 2 thanks

Answer:

B, 4 meters per second

Step-by-step explanation:

10/40=4

20/80=4

and it goes on

Answer:

the constant rate of change of this table is 4 meters per second (option B)

Step-by-step explanation:

if in 10 seconds we moved 40 meters, each 1 of those seconds must have us 4 meters.

(simplest way to find unit rate:  40 / 10 = 4)

So, if you think of this as a graph, you will be going up 4 every time you move right 1.

This 4 [rise] / 1 [run] is called the "slope", which essentially has the same meaning as the constant rate of change.

So, the constant rate of change of this table is 4 meters per second (option B)

The respective values in gigabytes (G) using the 2 to the power notation based on the 1G = \(2^3^0\) relationship are 10M = 0.01G, 100M = 0.1G, 110M = 0.11G

To convert values using the 2 to the power notation, we can use the relationship that 1G equals 2 to the power of 30 (\(2^3^0\)).

Here's how to express 10M, 100M, and 110M using this notation:

1. 10M:

To convert 10M (10 million) to the 2 to the power notation, we need to express it in terms of G (gigabytes).

Since 1G is equal to \(2^3^0\), we can calculate the value of 10M as follows:

  10M = (10/1000)G = 0.01G

Therefore, 10M is equivalent to 0.01G.

2. 100M:

Similarly, to express 100M (100 million) in the 2 to the power notation:

  100M = (100/1000)G = 0.1G

Therefore, 100M is equivalent to 0.1G.

3. 110M:

For 110M (110 million) in the 2 to the power notation:

  110M = (110/1000)G = 0.11G

Therefore, 110M is equivalent to 0.11G.

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Answer:

length=12; breadth=8

Step-by-step explanation:

l=w+4

w(w+4)=96

w²+4w-96=0

(w+12)(w-8)=0

width=8

length=w+4=12

Answer:

length=12; breadth=8

Step-by-step explanation:

Hope this helped have an amazing day!

Copper oxide, often known as CuO, is the most typical natural ore of copper.

An estimated 5.6 million metric tons of copper were produced in 2021 in Chile, the world's largest copper producer.

What is copper?

A ductile, malleable, and highly efficient conductor of heat and electricity, copper is a reddish-gold colored metal. Since it was the first metal that humans worked with, copper is one of the metals that is used the most frequently today.

The two primary copper ores are copper oxide ore and copper sulfide ore. Both forms of ore may be profitably mined, although chalcopyrite, a sulfide ore mineral, is the most prevalent source of copper ore and represents nearly half of the metal's output.

The most significant and significant source of copper metal is chalcopyrite. The hue is often brassy to golden-yellow, frequently tarnished, and has a submetallic shine along with greenish-black streaks.

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The coordinates of point D in the parallelogram ABCD are (15, 10).

To find the coordinates of point D, we can use the properties of a parallelogram. In a parallelogram, opposite sides are parallel and congruent. Therefore, we can use this information to determine the coordinates of point D.

Let's consider the given points:

A(-3, 5)

B(7, 12)

C(5, 3)

Since opposite sides of a parallelogram are parallel, the vector connecting points A and B should be equal to the vector connecting points C and D. We can express this as:

AB = CD

To find the vector AB, we subtract the coordinates of point A from the coordinates of point B:

AB = (7 - (-3), 12 - 5)

= (10, 7)

Now, we can express the vector CD using the coordinates of point C and the vector AB:

CD = (5, 3) + (10, 7)

= (15, 10)

Therefore, the coordinates of point D are (15, 10).

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Step-by-step explanation:

a) 9^-½

= (1/9)^½

= (√1)/(√9)

= 1/3

=0.333....

b). 27^-⅔

= (1/27)^⅔

=(³√1)²/(³√27)²

=1/9

=0.111.....

=