1.3) Which of the following alkyl halides cannot be used to
synthesize an ester from a carboxylate anion? -CH3Br -CH2CH3Cl
-(CHE)3Cl -CH3CH2CH2Br

In the given figure, we have line segments AB and ED, and it is mentioned that AB is parallel to ED. We need to find the value of x.

Since AB is parallel to ED, we can apply the property of alternate interior angles.

According to this property, when a transversal intersects two parallel lines, the alternate interior angles are congruent.

Looking at the figure, we can observe that angle A and angle E are alternate interior angles. Therefore, angle A = angle E.

Next, we notice that angle A and angle B form a linear pair. A linear pair is formed when two adjacent angles add up to 180 degrees. Hence, angle A + angle B = 180 degrees.

Since angle A = angle E, we can rewrite the equation as angle E + angle B = 180 degrees.

Now, we introduce x as the measure of angle E. Therefore, x + angle B = 180 degrees.

Finally, by rearranging the equation, we find that angle B = 180 degrees - x.

Thus, the value of x is equal to the measure of angle E, and angle B can be expressed as 180 degrees - x.

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The measurement that gives you the difference between the points on the scatterplot and the prediction line for the same value of x is the residual. Therefore, the correct answer is C. Residual.

In regression analysis, the residual represents the vertical distance between the observed data points and the corresponding predicted values on the regression line. It is calculated by taking the difference between the actual observed value and the predicted value for a specific value of the independent variable (x). The residuals provide a measure of how well the regression line fits the data, with smaller residuals indicating a better fit.

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Answer:Well logically She opened the fridge door first!

Step-by-step explanation:

Her eyes too

To solve the system of equations using substitution we replace the value of y from the first equation into the second equation to find the value of x.

solve the equation for x

using the value of x in either equation find the value of y

The solution for the system of equations is:

X= -1,5

y= 0.75

Answer:

7 . 8.9

8 . 19.5

9 . 9.9

10 .12.6

Step-by-step explanation:

7.x=11tan39

8.x=28cos46

9.x=8tan51

10.x=31sin24

side opposite of mentioned angle is opposite

longest side in triangle is hypotenuse

the side subtended by the angle is the adjacent

Answer:

4.1% ororor

Step-by-step explanation:

1/6 = 16.7%

3/8 = 37.5%

5/12 = 41.7%

= 95.9%

100% - 95.9% = 4.1%

Answer: 1/2

Step-by-step explanation:

Drawn from a standard deck of cards there are 27885 ways in which 4 diamonds can be drawn.

The process of placing each element of a set in the same sequence or order is known as permutation in mathematics. In other words, permuting is the act of rearranging the elements of a set if it is currently ordered. Almost all academic disciplines employ permutations by mathematicians.

They frequently appear when various orderings on a particular finite set is taken into account. Contrary to permutations, the order of selection is irrelevant when choosing components from a collection that employed the combination method.

there are 52 cards in a standard deck

There are 13 diamonds in the deck

Number of ways 4 diamonds can be drawn is = 13C4

Number of ways the 5th card can be drawn from the remaining cards of the deck = 39C1

Total number of ways in which 5 cards can be drawn is

= 13C4 × 39C1

= 27885

Hence the cards can be drawn in 278885 ways.

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Answer:

1.18

Explanation:

The GPA is calcuated as follows

where a grade point = score assicated with the grade * number of credit hours for the course.

Now in our case, the grade points earned are

And the total number of credit hour are

Therefore, the GPA (rounded to the nearest hundredth) is

which is our answer!

we have the following:

Therefore, the answer is (x + 27, x + 1)

By using Python, you will come up with your own challenging algorithm for other students to trace.

If a certain is true, the if/else expression triggers a sequence of instructions to run. Another piece of code may be run if the condition is false.

The if/else statement is a component of Python's "Conditional" Statements, which are used to carry out various operations based on various circumstances.

These conditional statements are available in Python:

If you want a block of code to run only if a certain condition is true, use the if statement.

If the same expression is false, use instead that to provide a set of instructions that should be run.

If the first expression is false, can use else if sentence to establish a comprehensive criterion to test.

To choose which of the several program code should be performed, use the switch.

How to write the code?

num = 100

if num < 20:

print('Less than 20')

if num < 30:

print('Less than 30')

if num < 40:

print('Less than 40')

if num < 50:

print('Less than 50')

if num > 100 or num == 100:

print('More than or equal to 100')

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to minimize the time it takes to reach the island, the visitor has to run 15 km west of the tent to first get to the closest point of the shoreline to the island before swimming across to the island.

Here we have;

Location of island = 15km west

Location of tent = 2 km south of point on shoreline

Running speed of visitor = 8 km/h

Swimming speed = 1 km/h

Distance of island from tent = \(\sqrt{15^2 +2^2}\) = 15.13

Since, time = distance/speed, it will take 15.13/1 hours or 15.13 hours to swim directly to the island.

However if the visitor first runs to the closest point on the shoreline to the island, then swims across to the island, it will take;

15/8 Hr + 2/1 hr = 31/8 hours or 3.875 hours only.

Therefore, to minimize the time it takes to reach the island, the visitor has to run 15 km west of the tent to first get to the closest point of the shoreline to the island before swimming across to the island.

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Answer:

the smaller number is 27.

Step-by-step explanation:

set two numbers are a and b

one number is less that twice of a number:

let's say a is 5 less than twice of b

so we have : a=2b-5

sum of the two numbers is 76: we have a+b=76

then we set up the system of equation\(\left \{ {{a=2b-5} \atop {a+b=76}} \right.\)

substitude a = 2b - 5 into the second equation

we have,

2b - 5 + b = 76

3b - 5 = 76

3b = 81

b = 27

Since a + b = 76 so a = 49

Answer:

It looks correct!!!!!!!!!

Answer:

 185553.7 feet^3

Step-by-step explanation:

The regular expression is ^(a(aa)*b)$.

To create a regular expression for the language L = {w = {a,b}* | w has an odd number of 'a's and ends with 'b'}, we can use the following expression:

^(b|(a(aa)*b))$

Breaking it down:

^ indicates the start of the string.

(b|(a(aa)*b)) matches either 'b' or a sequence of 'a's followed by an odd number of 'a's and 'b'.

(aa)* matches zero or more pairs of 'a's.

$ indicates the end of the string.

This regular expression ensures that the string starts with 'b' or a sequence of 'a's, followed by an odd number of 'a's, and ends with 'b'. Any additional characters or sequences in between are not allowed.

Please note that regular expressions can have different notations and conventions depending on the context or programming language you're using. The expression provided here follows a general pattern that should work in most cases.

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Answer:  16

Step-by-step explanation: when ur doing subtacting  ur gonna notice a pattern like 11.25 10.75 10.25 9.75 9.25 because if u start with 19 and minus 0.50 the u get ur answers 16 the 11.25 dosnt count because that for the gift after u spend 7.24 on the gift ur gonna have 11.25 and keep couniting down but also keep tract on how many it takes to get to 2.75

A comparison of the actual number of people who violate the speed limit to the total number of drivers is an example of a rate

A rate is known as the quantity measured with respect to another measured quantity. It refers to the comparison of a part to a whole.

It is also the measure of a part with respect to a whole or a proportion.

Therefore, a comparison of the actual number of people who violate the speed limit to the total number of drivers is an example of a rate

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Hey there! I'm happy to help!

First let's find the radius. The radius is half of the diameter.

9/2=4.5

Here's how to find the volume of any sphere.

You cube the radius.

4.5³=91.125

You multiply by 3.14

91.125(3.14)=286.1325

And finally we multiply by 4/3.

286.1325(4/3)=381.51

We round to the nearest tenth, giving us a volume of 381.5 in^3.

Have a wonderful day! :D

9 in = 3 in

v = 3,14x 3 x 3

= 28,26

Answer:

c

Step-by-step explanation:

jj

Answer:

450m

Step-by-step explanation:

The inherent zero is simply a zero. The three instances for both are-

The absolute zero is another name for the intrinsic zero. This is not included in the interval scale because, while the disparity between the two observations makes sense, the ratio does not because it lacks an inherent zero.

Some key features of inherent zero are-

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By using stokes' theorem to evaluate ∫ ∫ s c u r l → f ⋅ d s , the value of the surface integral is 291.

To use Stokes' theorem to evaluate the given integral, we will perform a series of expression such as finding the curl of the vector field,  then applying the theorem to convert the surface integral into a line integral.

Let F = (P, Q, R) be the vector field, where

\(P = x^2, Q = y^2, and R = z^2\). Then the curl of F is given by:

curl F = (∂R/∂y - ∂Q/∂z, ∂P/∂z - ∂R/∂x, ∂Q/∂x - ∂P/∂y)

= (0 - 0, 0 - 0, 2y - 2x)

So, curl F = (0, 0, 2y - 2x).

Applying stoke theorem

To apply Stokes' theorem, we need to parameterize the boundary curve C and compute the line integral of F around C.

Thus:

\(r(t) = (-5 + t, -5, -5), 0 \leq t \leq 6\\r(t) = (1, -5 + t, -5), 0 \leq t \leq 6\\r(t) = (1 - t, 1, -5), 0 \leq t \leq 2\\r(t) = (-5, 1 - t, -5), 0 \leq t \leq 2\\r(t) = (-5 + t, -5, -5), 0 \leq t \leq 2\)

C has been broken into 5 different parameterizations, one for each edge of the cube.

Compute the line integral of F around C.

∫ ∫ S curl F · ds = ∫ C F · dr

where ds is the line element and dr is the differential of the parameterization r(t).

For the first edge, we have

\(r(t) = (-5 + t, -5, -5), 0 \leq t \leq 6\\dr/dt = (1, 0, 0)\\F(r(t)) = (P, Q, R) = ((-5 + t)^2, 25, 25)\\F(r(t)) . dr/dt = (-5 + t)^2\)

Integrating over t from 0 to 6

\(\int(-5+6)^2 - ∫(-5+0)^2 = 121\)

For the second edge

\(r(t) = (1, -5 + t, -5), 0 \leq t \leq 6\\dr/dt = (0, 1, 0)\\F(r(t)) = (P, Q, R) = (1, (-5 + t)^2, 25)\\F(r(t)) . dr/dt = (-5 + t)^2\)

Integrating over t from 0 to 6

\(\int(-5+6)^2 - ∫(-5+0)^2 = 121\)

For the third edge

\(r(t) = (1 - t, 1, -5), 0 \leq t \leq 2\\dr/dt = (-1, 0, 0)\\F(r(t)) = (P, Q, R) = ((1 - t)^2, 1, 25)\\F(r(t)) . dr/dt = -(1 - t)^2\)

Integrating over t from 0 to 2

\(-\int(1-0)^2 + \int(1-2)^2 = 0\)

For the fourth edge

\(r(t) = (-5, 1 - t, -5), 0 \leq t \leq 2\\dr/dt = (0, -1, 0)\\F(r(t)) = (P, Q, R) = (25, (1 - t)^2, 25)\\F(r(t)) . dr/dt = -(1 - t)^2\)

Integrating over t from 0 to 2

\(-\int(1-0)^2 + \int(1-2)^2 = 0\)

For the fifth and final edge

\(r(t) = (-5 + t, -5, -5), 0 \leq t \leq 2\\dr/dt = (1, 0, 0)\\F(r(t)) = (P, Q, R) = ((-5 + t)^2, 25, 25)\\F(r(t)) . dr/dt = (-5 + t)^2\)

Integrating over t from 0 to 2

\(\int(-5+2)^2 - \int(-5+0)^2 = 49\)

Add together the line integrals from each edge

∫ C F · dr = 121 + 121 + 0 + 0 + 49 = 291

Finally, applying Stokes' theorem

∫ ∫ S curl F · ds = ∫ C F · dr = 291

Thus, the value of the surface integral is 291.

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Answer: 60%

Step-by-step explanation:

The number of ways to buy 20 bagels with at least one bagel of each kind from a bagel store that sells 6 different types of bagels is 3060.

To calculate the number of ways to buy 20 bagels with at least one bagel of each kind from a bagel store that sells 6 different types of bagels, we can use the concept of stars and bars.

First, we need to ensure that we have at least one of each type of bagel. So, we take one bagel of each type, which leaves us with 14 bagels to buy.

Now, we can use stars and bars to distribute the remaining 14 bagels among the 6 types of bagels. We represent the 14 bagels as stars and the 5 possible locations between the types of bagels as bars.

Using this method, we need to distribute 14 stars among 5 bars, which can be done in

(14+5-1) choose (5-1) = 18 choose 4 = 3060 ways.

Therefore, the number of ways to buy 20 bagels with at least one bagel of each kind from a bagel store that sells 6 different types of bagels is 3060.

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Answer:

Step-by-step explanation:

Given the price of 5 units for $5.75

The unit rate is:

Correct choice is C

Answer:

b = -10

c = 25

Step-by-step explanation:

Since the only solution to x is 5 that mean answer will look something like this:

(x-5) (x-5) = 0

x(x-5) -5(x-5)

x^2 -5x -5x + 25

x^2 -10x + 25

This is same as x^2 + bx + c = 0

where b is -10 and c is 25