what is the answer and how​

Answer:

Below

Step-by-step explanation:

12:10 PM -   ( 1 + 1 ) hr = 10:10 AM    then subtract the 40 min to get 9:30 AM

Answer: Here are two possible expressions for the total cost for Hazar and his friends:

The first expression is to add the cost of game rental and drinks and snacks for all the four friends

6x + 4x =10x where x is the number of friends

Second expression is to calculate the cost for each of the 4 friends and then add it together

(6 + 4) * 4 = 40

Both the expressions represent the same outcome, that is the total cost of $40 for Hazar and his friends to play video games.

It's depend on how you want to represent it, both are correct and represents the same outcome.

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

Using the order operations, we go left to right, multiplying 3 by 2/3, giving us 2. Then we subtract 7 - 2 = 5.

Answer:

Number of total arrangement of beads = 2,520

Step-by-step explanation:

Given:

Number of beads in necklace = 8 beads

Find:

Number of total arrangement of beads

Computation:

Changing beads is a cyclic permutation,

So,

Formula to find number of total arrangement in cyclic permutation

(n-1)!/2 , where n = number of item

So,

(n-1)!/2

Number of total arrangement of beads = (8-1)!/2

Number of total arrangement of beads = (7)!/2

Number of total arrangement of beads = (7 x 6 x 5 x 4 x 3 x 2 x 1) / 2

Number of total arrangement of beads = 5,040 / 2

Number of total arrangement of beads = 2,520

the unit rate is 1 inch to (5/3) feet.

The unit rate will be a constant K that relates the two given lengths.

First, we know that the length in the doll house is 6 inches, while the length of the dining table is 10ft.

Then k gives a relation between 1 inch and a number of ft.

Then we have the relation:

6in = 10ft

If we divide both sides by 6, we get:

1 inch = (10/6) ft

1 inch = (5/3) ft.

This means that the unit rate is 1 inch to (5/3) feet.

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\(= 7x - 5x = 2+6\)

\(= 2x = 8\)

\(= x = \: \frac{8}{2} \)

\(= x = 4\)

The probability that can be determined by the randomly selected person from this sample was a friend of the bride OR of the groom is 0.9875.

Given information is that, at a wedding, each guest asked the 80 guests if they were a friend of the bride or of the groom.

Probability is measured by the ratio of the number of favorable outcomes to the total number of outcomes of an event.

The total Number of Guests which forms the Sample Space, n(S)=80

Let the event for a friend of the bride=A

Let the event be for a friend of the groom=B

n(A) =59

n(B)=50

Friends of both bride and groom,

So,

n(A∪B)=n(A)+n(B)-n(A∩B)

n(A∪B)=59+50-30

n(A∪B)=79

The number of people or Guests who are the friends of the bride OR of the groom = 79

Thus,

P(A∪B)=n(A∩B)/n(S)

= 79/80

P(A∪B)= 0.9875

Therefore, the probability that a randomly selected person from this sample was a friend of the bride OR of the groom is 0.9875.

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The area of the triangle is 47.91 units²

When all three sides of the triangle are known we can use Heron's formula. Consider the triangle ABC with sides a, b, and c has shown in the image.

Heron’s formula is:

Area =√s(s−a)(s−b)(s−c)

where,

a, b, c are the side length of the triangle

s is the semi-perimeter. s = (a+b+c)/2

In this case:

Using the knowledge of the radius of a circle. We can say:

a = BC = 3 + 9 = 12 units

b = AC = 5 + 3 = 8 units

c = AB = 5 + 9 = 14 units

s = (a+b+c)/2

s = (12+8+14)/2

s = 34/2

s = 17 units

Area = √s(s−a)(s−b)(s−c)

Area = √17(17−12)(17−8)(17−14)

Area = √17(5)(9)(3)

Area = √2295

Area = 47.91 units²

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Julio accidentally put in an extra 1/10 cup of sugar.

To calculate the number of extra cups of sugar that Julio put in, we need to find the difference between what the recipe called for (3/10 cups) and what he actually added (4/10 cups).

The difference can be calculated as follows:

Actual amount - Required amount = Extra amount

= 4/10 - 3/10

= 1/10

Therefore, Julio accidentally put in an extra 1/10 cup of sugar.

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Step-by-step explanation:

21x²-2x +1/2 = 0

x² - 2x ×21 + 1/2× 21 = 0

Answer:

$2.50

Step-by-step explanation:

6.25/2.5=2.5

The area of the shaded region for a z-score of -0.92 is 0.1788, which means the area that will be shadeded in the normal distribution graph is 17.88% of the total.

The normal distribution, also known as the Gaussian distribution, is a symmetric probability distribution about the mean, indicating that data near the mean occur more frequently than data distant from the mean. The normal distribution will show as a bell curve on a graph.

1.) The area of the shaded region for a z-score of -0.92 is 0.1788, which means the area that will be shadeded in the normal distribution graph is 17.88% of the total.

2.) The area of the shaded region for a z-score of 1.23 is 0.8907, which means the area that will be shadeded in the normal distribution graph is 89.07% of the total.

Now, the area of the shaded region will be,

Area = 0.8907 - 0.1788

        = 0.7119

        = 71.19%

Hence, the area of the shaded region is 71.19%.

The complete question is mentioned in the below image.

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The pairs of triangles can be proven similar through SSS similarity is given by Third pair.

We know that the SSS similarity criteria will have the ratio of three corresponding sides of both triangles congruent.

1. KL / EG = HL / DG = HK / DE

3/6 = 6.5/13 ≠ 4/10

Thus, SSS similarity does not follow.

2. KL / EG = HL / DG = HK / DE

3/10 ≠ 6.5/13 ≠ 4/10

Thus, SSS similarity does not follow.

3. KL / EG = HL / DG = HK / DE

3/6 = 6.5/13 = 5/10

Thus, SSS similarity follow.

4. All three angles are congruent.

Thus, SSS similarity does not follow.

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Answer:

No and No

Step-by-step explanation:

Squaring a odd, whole, number results in a even number 99% of the time with the only exception being 1 (1^2 equals 1). If m is 3 and n is 5, mn would be 15, so if both m and n are odd they don't always equal a even number.

Answer:

Step-by-step explanation:

If we are dealing with whole real numbers.

Both answers are based on the same idea.

The product of two numbers is even only if at least one of the two multiplicands is even.

The square of an odd number can only result in an odd number. The reverse is true as well. The square root of an odd number can only be an odd number.

This comes from number theory where multiplication is the repeated addition of one number a certain number of times.

If the first number is even, then every time you add itself again results in an even number, It does not matter if you add an even or odd number of times.

If the first multiplicand is odd, the sum of two odd numbers is always even, adding a third odd multiplicand again results in an odd number, the fourth is even, the fifth is odd, the pattern continues forever. The summation of an even number of odd multiplicands results in an even number. The summation of an odd number of odd multiplicands results in an odd number.

Answer:

Volume V ≈ 1481.3269 cubic inches

Step-by-step explanation:

Volume V of a cylinder is given by the formula

V = πr²h  where r = radius of the base of the cylinder and h the height

Here we are given the diameter, d = 5.9375 inches

Radius r = d/2 = 5.9375/2 = 2.96875 in

Height h = 53.5 in

V = π x 2.9685² x 53.5 ≈ 1481.3269 cubic inches

Answer V ≈ 1481.3269 cubic inches

Answer:

Bob=19.60

Elsa=25.60

Chang=58.80

Step-by-step explanation:

(E)lsa + (C)hang + (B)ob=104

C=3B

E=B+6

substitute

(B+6)+3B+B=104

5B+6=104

5B=98

5B/5=98/5

B=19.60

E=19.60+6=25.60

C=3(19.60)=58.80

The value of x that makes the relation a function is 3.

Option A is the correct answer.

We have,

A = (5, 3), (4, 9), (7, 2), (x, 6)

Given the points (5, 3), (4, 9), (7, 2), and (x, 6), we need to ensure that x does not repeat in the relation.

If we substitute the given values of x (3, 4, 5, 7) into the relation, we find:

For x = 3: (3, 6)

For x = 4: (4, 6)

For x = 5: (5, 6)

For x = 7: (7, 6)

Now,

A function can not have the same output for the same input.

So,

(4, 6) and (4, 9) are not possible.

(5, 6) and (5, 3) are not possible.

(7, 6) and (7, 2) are not possible.

And,

(3, 6) is possible

Thus,

The value of x that makes a function is 3.

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Answer:

what

Step-by-step explanation:

To find the number of temperatures in the set, we can divide the sum of the temperatures by the mean temperature.

Number of temperatures = Sum of temperatures / Mean temperature

In this case, the sum of temperatures is given as 2,516 and the mean temperature is given as 74 degrees Fahrenheit.

Number of temperatures = 2,516 / 74

Calculating the division:

Number of temperatures ≈ 34.05

Since we cannot have a fraction of a temperature, we need to round the result to the nearest whole number. Therefore, there are approximately 34 temperatures in the set.

To find the angle between two vectors, you can use the dot product formula:

θ = arccos((u ⋅ v) / (||u|| × ||v||))

where u and v are the two vectors, ||u|| and ||v|| are the magnitudes of the vectors u and v, and ⋅ is the dot product.

In the first problem, you are given that u = 2i - 3j and v = 3i + 8j. To find the angle between these vectors, you can first find the dot product of u and v:

u ⋅ v = (2i - 3j) ⋅ (3i + 8j)

= (23) + (-38)

= 6 - 24

= -18

Next, you can find the magnitudes of u and v:

||u|| = √((22) + (-3-3)) = √(13)

||v|| = √((33) + (88)) = √(73)

Now you can use the dot product formula to find the angle between the vectors:

θ = arccos((-18) / (√(13) × √(73)))

= arccos(-18 / 961)

You can use a calculator to find the value of arccos(-18 / 961), which is approximately 125.75 degrees.

In the second problem, you are given that u = <2, -5, 3> and v = <5, 7, -9>. To find the angle between these vectors, you can follow the same process as before:

u ⋅ v = (25) + (-57) + (3×-9) = 10 - 35 - 27 = -52

||u|| = √((22) + (-5-5) + (33)) = √(34)

||v|| = √((55) + (77) + (-9-9)) = √(109)

θ = arccos((-52) / (√(34) × √(109)))

= arccos(-52 / 3706)

You can use a calculator to find the value of arccos(-52 / 3706), which is approximately 179.42 degrees.

So the answer to the first problem is 125.75 degrees, and the answer to the second problem is 179.42 degrees.

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Answer:

A

Step-by-step explanation:

C= πd

π = C/d

Answer:

a) \(\frac{Circumference}{Diameter} = \pi\)

Step-by-step explanation:

12.56 / 4 = 3.14

25.12 / 8 = 3.14

31.4 / 10 = 3.14

47.1 / 5 = 3.14

pi = 3.14

ANSWER

EXPLANATION

Slope is defined as the numerical value that determines the steepness of a line

Mathematically, slope is expressed below as

Answer:

30% probability that the ball taken from B is red.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

Red ball from urn A:

3/6 = 1/2 probability of getting a red ball from urn A.

Then urn B will have 5 balls, 2 of which are red, so 2/5 probability of getting a red ball.

Blue ball from urn A:

3/6 = 1/2 probability of getting a blue ball from urn A.

Then urn B will have 5 balls, 1 of which is red, so 1/5 probability of getting a red ball.

Total:

\(p = \frac{1}{2}*\frac{2}{5} + \frac{1}{2}*\frac{1}{5} = \frac{2}{10} + \frac{1}{10} = \frac{3}{10}\)

3/10 = 0.3 = 30%.

30% probability that the ball taken from B is red.

the coordinates of point B are \((2, 6.25).\)

To find the coordinates of point B, we can use the fact that the position of a point dividing a line segment in a given ratio can be found using the section formula.

Let's first find the coordinates of point B using the section formula. Let the coordinates of point B be (x, y). Then the ratio of AB to AC is 1:3, which means that the distance between A and B is one-fourth of the distance between A and C. We can express this mathematically as:

\(AB/AC = 1/3\)

\(= > AB = (1/4) * AC\)

Using the distance formula, we can find the length of AC:

AC =  \(\sqrt\)\((4 - (-2))^2 + (7 - 4)^2]\)

\(\sqrt6^2 + 3^2]\)

\(\sqrt 45\)

So, we have:

\(AB = (1/4) \times \sqrt45\)

Now, using the section formula, we can find the coordinates of point B. The section formula states that the coordinates of the point dividing the line segment joining two points \((x1, y1)\) and   \((x2, y2)\) in the ratio m:n are given by:

\(x = (nx2 + mx1)/(m + n)\)

\(y = (ny2 + my1)/(m + n)\)

In our case, the coordinates of point A are  \((-2, 4)\), the coordinates of point C are \((4, 7)\)  , and the ratio of AB to AC is   \(1:3.\) So, we have:

\(m:n = 1:3\)

Substituting the values, we get:

\(x = (34 + 1(-2))/(1 + 3) = 2\)

\(y = (37 + 14)/(1 + 3) = 6.25\)

Therefore, the coordinates of point B are \((2, 6.25)\)  .

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Answer:

1

Step-by-step explanation:

The point is located in the first quadrant because x and y are both positive. The quadrants are labeled in counter-clockwise order, starting in the upper-right.

Answer:

Step-by-step explanation:

To determine when the total cost of each health club will be the same, we can set up an equation and solve for the number of months.

Let's assume the number of months is represented by 'x'.

For Club A, the total cost is given by:

Total cost of Club A = $13 (one-time fee) + $28x (monthly fee)

For Club B, the total cost is given by:

Total cost of Club B = $19 (one-time fee) + $27x (monthly fee)

To find the number of months when the total cost is the same, we set the two equations equal to each other:

$13 + $28x = $19 + $27x

Simplifying the equation, we get:

$28x - $27x = $19 - $13

$x = 6

Therefore, after 6 months, the total cost of each health club will be the same.

To find the total cost for each club after 6 months, we substitute the value of 'x' back into the equations:

Total cost of Club A after 6 months = $13 + $28(6) = $13 + $168 = $181

Total cost of Club B after 6 months = $19 + $27(6) = $19 + $162 = $181

So, the total cost for both Club A and Club B will be $181 after 6 months.

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