solve for c
c/6=12


A.2
B.6
C.18
D.72

x = 45 is the answer.....

Answer:

612 adults & 361 students

Step-by-step explanation:

Based on the truth conditions of conditional and logical equivalencies, it can be concluded that Dr. Santos did not lie to Mark.

In this scenario, Dr. Santos did not lie to Mark. The statement made by Dr. Santos is a conditional statement, where the antecedent is "If you do not give me your cheat sheet" and the consequent is "then you will fail the course." In order for this conditional statement to be false, the antecedent must be true and the consequent must be false. In this case, Mark did give Dr. Santos the cheat sheet, therefore the antecedent of the conditional statement is false. As a result, the truth value of the entire conditional statement is true, even though Dr. Santos did fail Mark after reviewing the cheat sheet. Furthermore, Dr. Santos' statement can also be expressed using logical equivalencies. "If A, then B" is logically equivalent to "not A or B." Using this equivalence, Dr. Santos' statement can be rewritten as "Either you give me your cheat sheet or you will fail the course." Again, this statement is true because Mark did give Dr. Santos the cheat sheet.
Therefore, based on the truth conditions of conditional and logical equivalencies, it can be concluded that Dr. Santos did not lie to Mark.

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The test statistic value for the hypothesis test is -2.5, indicating that the efficiency measures have reduced the gasoline prices of the major oil company in Europe. So, the correct answer is option c).

To determine the test statistic for this hypothesis test, we need to calculate the z-score, which is the number of standard deviations that the sample mean is away from the population mean under the null hypothesis.

The null hypothesis is that the efficiency measures have not reduced prices, which means the population mean is still $1.25 per liter. The alternative hypothesis is that the efficiency measures have reduced prices, which means the population mean is less than $1.25 per liter.

The formula for the z-score is:

z = (sample mean - population mean) / (standard deviation / sqrt(sample size))

Plugging in the values from the paragraph:

z = (1.20 - 1.25) / (0.14 / sqrt(49)) = -2.5

So the value of the test statistic for this hypothesis test is -2.5.

Therefore, the answer is C) -2.5.

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Step-by-step explanation:

Find 100% of the price:

100 - 15 = 85% (Sale price)

85% = 136

1% = 136 divide 85 = 1.6

100% = 1.6 x 100 = 160

Ans: £160

Answer:

yes, the question is proportional. if you multiply 9.50 by 2 you get 19 and so on and so forth. the constant rate is 9.50

Answer: y = -3/5x - 6

Step-by-step explanation:

There are a few equations that can be used for this, but the simplest one would be y = mx + b

We are given:

y = -3

m = -3/5 (slope)

x = -5

b = ?

Our equation is this, we are solving for b

==> -3 = -3/5 ( -5) + b

==> -3 = -3/5 ( -5) + b ( multiply the brackets)

==> -3 = 3 + b ( subtract 3 to both sides)

==> -6 = b

Now we can make the desired equation in slope intercept form;

y = -3/5x - 6

Hope this helped! Have a great day :D

Answer:

Step-by-step explanation:

Cant see the whole graph but I'm pretty sure you just put A 3 dashes from 0, B 6 dashes from 0, and C 9 dashes from 0

Answer:

Step-by-step explanation:

64x³-64x²-9x+14

Answer: 11

Step-by-step explanation:

Answer:

uh. 11

Explanation:

7 + 4 = 11

The value of the line integral of `f(x, y) = ye^(x^2)`along the curve `r(t) = 4ti - 3tj, -1 ≤ t ≤ 1` is `-0.0831255sqrt(145)` (approx).

The given integral is of the form:

Line integral is defined as the integration of a function along a curve. The given integral is a line integral that is the integral of the function along a given curve.  Therefore, the line integral of

`f(x, y) = ye^(x^2)`

along the curve

`r(t) = 4ti - 3tj, -1 ≤ t ≤ 1` is:

We know that,

Let us evaluate

`f(r(t))` first.`f(r(t)) = y(t)e^(x(t)^2)`

where,

`x(t) = 4t`, `y(t) = -3t`

So, `f(r(t)) = (-3t)e^((4t)^2)`

To find the line integral of

`f(x, y) = ye^(x^2)`

along the curve

`r(t) = 4ti - 3tj, -1 ≤ t ≤ 1`.

we integrate

`f(r(t))` with respect to `t`. Hence,

`∫f(r(t))dt` (for t = -1 to t = 1)`= ∫_(-1)^(1) f(r(t))|r'(t)|dt`

since `ds = |r'(t)|dt`)`= ∫_(-1)^(1) [(-3t)e^((4t)^2)]|r'(t)|dt`

substituting `f(r(t))` with the corresponding value

`= ∫_(-1)^(1) [(-3t)e^((4t)^2)]sqrt(16+9)dt`

(substituting `|r'(t)|` with `sqrt(16+9)`)`=

∫_(-1)^(1) [-3tsqrt(145)e^(16t^2)] dt`

Thus, the integral of f is

`∫_(-1)^(1) [-3tsqrt(145)e^(16t^2)] dt = (-sqrt(145)/4)[e^(16t^2)]_(-1)^(1)`

Let's evaluate

`e^(16)` and `e^(-16)` now

.`e^(16) = 8.8861 xx 10^6`

`e^(-16) = 1.1254 xx 10^(-7)`

Therefore,

`(-sqrt(145)/4)[e^(16t^2)]_(-1)^(1)`= `(-sqrt(145)/4)

[e^(16) - e^(-16)]`

= `(-sqrt(145)/4)[8.8861 xx 10^6 - 1.1254 xx 10^(-7)]`

= `(-sqrt(145)/4)(8.8860985 xx 10^6 - 1.1254 xx 10^(-7))

= -0.0831255 sqrt(145)`

Hence, the value of the line integral of `f(x, y) = ye^(x^2)`along the curve `r(t) = 4ti - 3tj, -1 ≤ t ≤ 1` is `-0.0831255sqrt(145)` (approx).

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Answer:

.036

Step-by-step explanation:

.036 = 3.6%

converting percent to decimal:  remove the percent sign and move the decimal point two places to the left

Answer:

0.036

Step-by-step explanation:

3.6 ÷ 100=0.036

The linear equation perpendicular to 6x-y=7 and that passes through (-6, -1) is:

y = (-1/6)*x - 2

A general linear equation is written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

Two linear equations are perpendicular if the product between the slopes is equal to -1.

We want to find a line perpendicular to:

6x - y = 7

y = 6x - 7

Where the slope is 6.

Then:

a*6 = -1

a = -1/6

Then our line is something like:

y = (-1/6)*x + b

To find the value of b, we use the fact that our line passes through (-6, -1), then:

-1 = (-1/6)*-6 + b

-1 = 1 + b

-1 - 1  =b

-2  =b

The line is y = (-1/6)*x - 2

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Calculating the cost of beverages and the cost of food sold can differ in terms of the pricing structure and inventory management. Beverages often have a predetermined cost per unit, while food costs may vary depending on ingredients and preparation. Additionally, beverages may have different sales patterns and inventory turnover compared to food items.

When calculating the cost of beverages, the pricing structure is usually more straightforward. Beverages often have a fixed cost per unit, meaning the price per drink remains consistent regardless of variations in ingredients or preparation methods. This allows for easier calculation of the cost of each unit sold. However, it's important to consider any additional costs associated with beverages, such as cups, lids, and straws, which may impact the overall cost calculation.

On the other hand, calculating the cost of food sold can be more complex. Food items typically have more variability in terms of ingredients, portion sizes, and cooking techniques. As a result, the cost of each food item may differ based on these factors. It requires tracking and accounting for the cost of each ingredient used in a recipe and determining the portion sizes accurately to calculate the cost of each unit sold.

Furthermore, beverages and food items may have different sales patterns and inventory turnover. Beverages often have a higher turnover rate as they are consumed more frequently and quickly compared to food items. This difference in turnover can affect inventory management and supply chain logistics, requiring different approaches to calculate and manage costs effectively.

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Answer:

The 180 degrees part is right

But it is because they are SUPPLEMENTARY!

Step-by-step explanation:

Supplementary angles add up to 180, complementary only add up to 90 degrees.

Answer:

its right

Step-by-step explanation:

Answer:x=1 I, i-1

Step-by-step explanation:

Answer:

-36

Step-by-step explanation:

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

We have to make sure the denominators are equal.

10 goes into 5 evenly, so we only need to multiply one term to get a common denominator.

Multiply 2 by 2, and get 4, then we multiply 5 by 2 and get 10

Now the equation is 4/10 + 6/10

Since our denominators match, we can add the numerators.

4 + 6 = 10

That gives us the sum, which is 10/10 aka 1 whole

your welcome :) (btw can u please give brainly?)

Answer:

2/5 + 6/10 = 1

Step-by-step explanation:

first let’s change 2/5 so it has the same denominator as 6/10.

2/5 * 2/2 = 4/10

now add

4/10 + 6/10 = 1

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Answer: 14

Explanation:

6 x 2 = 12

1 x 2 = 2

12 + 2 = 14

I hope this helped!

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Answer:

14

Step-by-step explanation:

6*3-2(2*1)

=18-4=14

Answer:

A diver dove down in the ocean, they went down to 120 meters, They then proceeded to swim up resulting them at -110 meters, did they pass they 0 sea level? If yes, how?

Step-by-step explanation:

Yes it is significant at the 0.02 level.

Here, we have,

Arm circumferences of adult men are normally distributed with a mean of 33.64 cm and a standard deviation 4.14 cm. Describe the sampling distribution of a sample of 25 men.

The answer provided below has been developed in a clear step by step manner.

Step: 1

yes it is significant at the 0.02 level.

Because, the test is significant at 0.01 level meant the p-value is less that 0.01 so obviously it is also less than 0.02 as well.

Hence, it is significant at 0.02 level.

Please refer to solution in this step.

finally, so, we have,

yes it is significant at the 0.02 level.

Because, the test is significant at 0.01 level meant the p-value is less that 0.01 so obviously it is also less than 0.02 as well.

Hence, it is significant at 0.02 level.

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The solution to the inequality is:

x ∈ (-∞, -21].

The correct option is F.

To solve the given inequality, we'll first simplify the expression:

23 < 3x - 3 ≤ -66

To simplify the inequality,

23 < 3x - 3 ≤ -66

Adding 3 to all parts of the inequality:

23 + 3 < 3x - 3 + 3 ≤ -66 + 3

Simplifying:

26 < 3x ≤ -63

Next, divide all parts of the inequality by 3:

26/3 < 3x/3 ≤ -63/3

Simplifying:

8.67 < x ≤ -21

Therefore, the solution to the inequality is:

x ∈ (-∞, -21]

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The equation of the tangent line is y = (-2/3)x + 5/3.

To find the equation of the tangent line to the curve xy + xy² at the point (1, 1), we need to use implicit differentiation.

Differentiating both sides of the equation with respect to x, we get:

d/dx (xy + xy²) = d/dx (1)

Using the product rule, the derivative of xy is y + xy' and the derivative of xy² is 2xyy' + xy². The derivative of 1 with respect to x is 0. So, we have:

y + xy' + 2xyy' + xy² = 0

Rearranging this equation, we get:

xy' + 2xyy' = -y - xy²

Factoring out y' on the left side, we have:

y'(x + 2xy) = -y - xy²

Now, we can solve for y':

y' = (-y - xy²) / (x + 2xy)

Substituting the point (1, 1) into the equation, we get:

y' = (-1 - 11²) / (1 + 21*1)

= (-2) / (3)

So, the slope of the tangent line at the point (1, 1) is -2/3.

The equation of the tangent line can be written in the form y = mx + b, where m is the slope. Substituting the point (1, 1) into this equation, we can find the y-intercept b.

1 = (-2/3)(1) + b

1 = -2/3 + b

b = 5/3

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The formula for an exponential function is y = 45/8x + 57/8.

Here we have to find the formula for an exponential function that passes through the points.

Given data:

The two points are (-1, 3/2) and (3, 24).

We need to find the slope of the line. So,

Slope(m) = (y2 - y1) / (x2 - x1)

m = (24 - 3/2) / ( 3+ 1)

   = 45/ 8

The general equation of a line:

y = mx + c

Now putting the value of x and y as -1 and 3/2 and m = 45/8.

3/2 = -1 × 45/8 + c

c = 57/8

Now we get the equation:

y = 45/8x + 57/8

Therefore the equation is y = 45/8x + 57/8.

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Answer:

\(1.66\)

or 2/3

Answer:

2/3

Step-by-step explanation:

Since triangles ADE and ABC are similar we can calculate the value of x using similarity ratio

AD/AB = ED/CB

3/2 = 1/x cross multiply expressions

3x = 2 divide both sides by 3

x = 2/3

The value of the missing angles are:

w = 109°

x = 39°

y = 141°

z = 109°

In geometry, we know that the sum of angles on a straight line is 180 degrees. Thus:

w = 180 - 71

w = 109°

We know that alternate angles are formed when two parallel lines are cut by a transversal. Thus:

x = 39°

y = 180 - 39

y = 141°

Similarly:

z = 180 - 71

z = 109°

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