7x-9=803 solve for x and x only

Answer:

Roberta will jog 13 laps on the sixth day.

Step-by-step explanation:

In the pattern 3, 5, 7 we can see it is adding 2 each day.

Keep adding 2 until you get to 13, which is the sixth day.

Answer:

19.5

Step-by-step explanation:

there are two middle values in this data set so you have to add and divide them. 18+21=39

39/2= 19.5

hope this helps ! :)

Answer:

19.5

Step-by-step explanation:

middle is 18 and 21 so we need to take the average of these  2 numbers

18+21=39

39/2=19.5

When two numbers have no common factors other than 1. In other words there is no value that you could divide them both by exactly (without any remainder). Relatively Prime is also called "coprime" or "mutually prime".

I think this help you Now thank you

The answer is Co-prime

Hope It Help

Answer:

The most efficient way to breathe is by bringing the air down toward the belly. As the diaphragm contracts, the belly expands to fill the lungs with air. “Belly breathing” is efficient because it pulls the lungs downward, creating negative pressure inside the chest

Step-by-step explanation:

The equation of hyperboloid of one sheet: \(\frac{x^{2} }{A^{2} } +\frac{y^{2} }{B^{2} } -\frac{z^{2} }{C^{2} } =1\) which is used to calculate hyperboloid.

The most challenging quadric surface is probably the hyperboloid of a single sheet. For starters, it is puzzling since its equation is quite similar to that of a hyperboloid with two sheets. For information on how to tell them apart, see to the section on the two-sheeted hyperboloid. Its cross portions are also highly intricate equation.

Having said all of that, everyone who has watched The Simpsons, even for the first time, will recognize this form. One-sheet hyperboloids have a striking resemblance to Springfield Nuclear Power Plant cooling towers.

The cross sections of a straightforward one-sheeted hyperboloid with A = B = C = 1.

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If the radius of the hole is 3 inches than the volume of the resulting solid is 410.29 in³    .

In the question ,

it is given that ,

the manufacturer drills a hole in the metal sphere that has radius of 5 inches ,

the radius of hole in sphere is 3 inches .

the volume of the metal sphere is = (4/3)×π×r³

= (4/3)×π×5³

= 523.33 in³

the volume of the hole of radius 3 inches is = (4/3)×π×3³

= 113.04 in³

So , the volume of the remaining solid is = 523.33 - 113.04

= 410.29 in³  .

Therefore , the Volume of the resulting solid is 410.29 in³    .

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Answer:

  1.672 x 10 27

Step-by-step explanation:

The actual weight is 0.0042 pounds lighter than the labeled weight.

The actual weight of the chocolates is 0.3798 pounds, while the label on the bag states it should weigh 0.384 pounds. To determine how much lighter the actual weight is, we can calculate the difference between the two weights.

Subtracting the actual weight from the labeled weight, we get:

0.384 pounds - 0.3798 pounds = 0.0042 pounds.

Therefore, the actual weight is 0.0042 pounds lighter than the labeled weight.

It's important to note that this difference may seem small, but it can be significant depending on the context. Accuracy in labeling is crucial for various reasons, such as complying with regulations, providing precise information to consumers, and ensuring fair trade practices. Even minor discrepancies can impact trust and customer satisfaction.

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The solution is :

The solution is, 15120 different ways can he arrange his program.

Here, we have,

Given : A musician plans to perform 5 selections for a concert. If he can choose from 9 different selections.

To find : How many ways can he arrange his program?  

Solution :

According to question,

We apply permutation as there are 9 different selections and they plan to perform 5 selections for a concert.

since order of songs matter in a concert as well, every way of the 5 songs being played in different order will be a different way.

so, we will permute 5 from 9.

So, Number of ways are

W = 9P5

   =9!/(9-5)!

   = 9!/4!

   = 15120

15120 different ways

Hence, The solution is, 15120 different ways can he arrange his program.

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Answer:

No: d (1593.90)

Step-by-step explanation:

Here,

Income per an hour= 34.65

Now

Income for 46 hours= 34.65× 46

=1593.9

It appears that the answer is my fat coeck

The predicted effect on test scores when  income increases from $1,000 to $3,000 is ( a. 7.36.)

To find the predicted effect on test scores when income increases from $1,000 to $3,000, to substitute the values into the quadratic regression model and calculate the difference in test scores.

Given the quadratic regression model:

TestScore = 607.3 + 3.85Income - 0.0423Income^2

Let's calculate the test scores at income values of $1,000 and $3,000:

For income = $1,000 (1 in thousands):

TestScore1 = 607.3 + 3.85(1) - 0.0423(1)^2

= 607.3 + 3.85 - 0.0423

≈ 611.108

For income = $3,000 (3 in thousands):

TestScore2 = 607.3 + 3.85(3) - 0.0423(3)^2

= 607.3 + 11.55 - 0.3819

≈ 618.468

The predicted effect on test scores is the difference between TestScore2 and TestScore1:

Effect = TestScore2 - TestScore1

= 618.468 - 611.108

≈ 7.36

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Answer:

75

Step-by-step explanation:

Giving Q was not necessary because you aren't doing P(Q) or anything like that....

Anyways,

\(p(x) = x^2 + x +3\\\)

Since you're doing p(8), you would replace the x's with 8s.

\((8)^2 + (8) + 3 = 64 + 8 + 3 =75\)

So your final answer would be 75.

1.)  Probabilities range from 0 to 1, denoting impossibility and certainty, respectively.

2.) The sum of probabilities of all possible outcomes is equal to 1.

1.) Individual probabilities will always have values between 0 and 1. This property is known as the "probability bound." Probability is a measure of uncertainty or likelihood, and it is represented as a value between 0 and 1, inclusive.

A probability of 0 indicates impossibility or no chance of an event occurring, while a probability of 1 represents certainty or a guaranteed outcome.

Any probability value between 0 and 1 signifies varying degrees of likelihood, with values closer to 0 indicating lower chances and values closer to 1 indicating higher chances. In simple terms, probabilities cannot be negative or greater than 1.

2.) The sum of the probabilities of all individual outcomes must equal 1. This principle is known as the "probability mass" or the "law of total probability." When considering a set of mutually exclusive and exhaustive events, the sum of their individual probabilities must add up to 1.

Mutually exclusive events are events that cannot occur simultaneously, while exhaustive events are events that cover all possible outcomes. This property ensures that the total probability accounts for all possible outcomes and leaves no room for uncertainty or unaccounted possibilities.

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Answer:

Popcorn costs 4. Drink costs 2.

Step-by-step explanation:

4x4=16

2x2=4

16+4=20

Answer:

C

Step-by-step explanation:

They are the same without rotation and translation

Answer:

Step-by-step explanation:

ポイントをありがとう

Answer:

Shortest Leg: 5 inches, Hypotenuse: 13 inches

Step-by-step explanation:

A right triangle follows the pythagorean theorem, a^2+b^2=c^2. C is the hypotenus. A combination found using this is 5, 12, and 13. To double check this, we know that the hypotenus is 2x+3, where x is the smallest leg.

(A) The correlation coefficient between profitability and growth is -0.059, indicating a weak negative relationship between the two variables.

(B) The regression equation for profitability based on growth is: Profitability = 24.916 - 0.383Growth.

a. The correlation coefficient between profitability and growth is -0.059, indicating a weak negative relationship between the two variables. To test the hypothesis that the population correlation is greater than zero, we use a one-tailed t-test with a significance level of 0.05. The test statistic, calculated as t = r√((n-2)/(1-r^2)), where n is the sample size, is -0.413. Since the calculated t-value is less than the critical value of 1.9432, we fail to reject the null hypothesis and conclude that there is insufficient evidence to suggest that the population correlation between profitability and growth is greater than zero.

b. The regression equation for profitability based on growth is: Profitability = 24.916 - 0.383Growth. The negative slope value suggests that there is a negative relationship between profitability and growth, indicating that as sales growth increases, profitability decreases. However, the low R-squared value of 0.004 indicates that only 0.4% of the variability in profitability can be explained by growth, suggesting that other factors may have a greater influence on profitability for these aerospace and defense companies.

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Answer:13.6

Step-by-step explanation:

Answer:

50 rupees more

Step-by-step explanation:

20 rupees = 1 week

? = 10 weeks

First need to find the total rupees

20 × 10 = 200 rupees

i have only 100 rupees

gift = 150

150 - 100 = 50 rupees more

Answer:

No it is not proportional.

Step-by-step explanation:

The statement "The sets {3, 5, 1} and (1, 3, 5) are equal" is False. The sets differ in their order of elements, and therefore, they are not considered equal based on the mathematical concept of sets.

The two sets in question are {3, 5, 1} and (1, 3, 5). To determine if these sets are equal, we need to consider the elements they contain and the order in which those elements are listed.

In set notation, the order of elements does not matter, and duplicates are ignored. However, in the first set {3, 5, 1}, the order of elements is specified, and there are no duplicates present. On the other hand, the second set (1, 3, 5) is written using parentheses, indicating that the order of elements is significant.

Therefore, the sets {3, 5, 1} and (1, 3, 5) are not equal because they differ in the order of elements. The first set lists the elements in the order 3, 5, 1, while the second set lists the elements in the order 1, 3, 5.

To illustrate this, let's consider an example of set equality. If we have the sets {1, 2, 3} and {3, 2, 1}, they would be considered equal because the order of elements does not matter in set notation.

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Answer:

First subtract 7 from both sides

Then divide 3 from sides

and x should be by itself

Step-by-step explanation:

Answer:

Step-by-step explanation:

Fame age be x and sister's age = y

Five years ago:

Fame's age = x - 5

His sister's age = y -5

\(x -5 =\dfrac{1}{6}*(y-5)\\\\\)

Multiply the entire equation by 6

\(6*(x-5)=6*\dfrac{1}{6}(y-5)\\\)

6x- 6*5  = y-5

6x - 30 = y - 5

6x  -30 + 5 = y

y = 6x - 25--------------(I)

Three year after:

Fame's age = x + 3

His sister's age = y + 3

2*(x +3) = y + 3

2x + 6   = y + 3

2x + 6 -3 = y

y = 2x + 3 -------------(II)

Substitute y = 6x - 25 in equation (II)

6x - 25 = 2x + 3

Add 25 to both sides

6x  = 2x + 3 + 25

6x  = 2x + 28

Subtract 2x from both sides

6x - 2x = 28

       4x = 28

Divide both sides by 4

x = 28/4

x = 7

Substitute x = 7 in equation (I)

y =6x - 25

y = 6*7 - 25

  = 42 - 25

y = 17

Fame's age = 7 years

His sister's age = 17 years

4) Let the distance between X and Y be D

Time take by Wie = distance÷ speed

                             \(= \dfrac{D}{75}\)

Time taken by Wary = distance ÷ speed

                                  \(=\dfrac{D}{80}\)

Time difference = 10 minutes.

As Wary drives in high speed that Wie, he takes less time

\(\dfrac{D}{75}-\dfrac{D}{80}= \dfrac{10}{60}\\\\\)

LcM = 1200

\(\dfrac{16D}{75*16}-\dfrac{15D}{85*15}=\dfrac{1}{6}\\\\\\\dfrac{16D-15D}{1200}=\dfrac{1}{6}\\\\\\\dfrac{D}{1200}=\dfrac{1}{6}\\\\\\D=\dfrac{1}{6}*1200\\\\\\\)

D = 200 Km

Answer:

B

Step-by-step explanation:

The cube of twice a number =

\({2m}^{3}\)

Decreased by 11 =

\( - 11\)

Hence, the cube of twice a number decreased by 11 =

\( {2m}^{3} - 11\)

The cube of twice a number decreased by 11 =2n^3-11

We have given options

We have to determine the correct statement

Let us consider a number n.

Expressions ismathematical statements with a minimum of two terms containing numbers or variables, or both, are connected by an operator in between.

The cube of twice a number =2n^3

Decreased by 11 =2n^3-11

Hence, the cube of twice a number decreased by 11 =2n^3-11

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\(Answer:\large\boxed{y=\frac{2}{3} x+6}\)

Step-by-step explanation:

First let's convert 2x - 3y = 12 into \(y = mx + b\)  form.

In order to do this, solve for y.

\(2x-3y=12\)

\(-3y=-2x+12\)

\(y=\frac{2}{3} x-4\)

This shows us that the slope is   \(\boxed{\frac{2}{3}}\)

Now we use the point-slope formula:

\((y-y1)=m(x-x1)\)

where m is the slope and y1 and x1 are the point the line passes through

Using the point (-6,2) and slope, 2/3, we can find the equation:

\((y-2)=\frac{2}{3} (x-(-6))\)

\((y-2)=\frac{2}{3} (x+6)\)

\((y-2)=\frac{2}{3} x+4\)

\(\large\boxed{y=\frac{2}{3} x+6}\)

Answer:

48

Step-by-step explanation:

Sam had 36 books

Jim had 12

after same gave Jim 12 books, they each had 24 books

The distance from point K on the line AC to A is equal to 7cm using the trigonometric ratio of tangent of angle 45°.

The trigonometric ratios is concerned with the relationship of an angle of a right-angled triangle to ratios of two side lengths.

The basic trigonometric ratios includes;

sine, cosine and tangent.

Considering the right-angled triangle ABK, we shall calculate for the distance (AK) from point K on the line AC to A using the tangent of A =45° as follows:

tan 45° = /AK {opposite/adjacent}

by cross multiplication

AK = 7/tan 45°

recall tan 45° = 1

AK = 7/1

AK = 7

Therefore, the distance from point K on the line AC to A is equal to 7cm using the trigonometric ratio of tangent of angle 45°.

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