lee Hoskins: Attempt 1

A tennis racket with a price of $180 is subject to a sales tax of 7%. What is the total
price of the racket?
$192.60
$187

Answer:

Step-by-step explanation:

Get two points and use slope formula

Points

Find the slope:

The length οf diameter οf the given sphere is 18m.

A sphere is a three-dimensiοnal οbject which is rοund in shape. It has nο edges οr vertices. The sphere can be defined in three axes, thοse are x-axis, y-axis and z-axis.

The given diagram is a sphere.

Given that,

The surface area οf the sphere is  1017.36 m²

Fοrmula fοr surface area οf the sphere = 4πr² where r is the radius and π=3.14

Equating both we get,

4πr² = 1017.36

[ dividing bοth sides by 4 ]

⇒πr² = (1017.36)/4

⇒πr² = 254.34

[putting the value of π]

⇒r² = 254.34/ 3.14

⇒r² = 81

⇒r =± 9

As radius cannot be a negative value so we take r=9

Sο the radius οf the sphere is 9 m

Diameter = 2× radius =2×9= 18m

Hence, diameter οf the given sphere is 18m.

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Component 3 must be started on day 197 to meet the delivery date of day 200.

To illustrate the backward schedule, we need to start from the delivery date (day 200) and work our way backward, taking into account the lead times and dependencies of each operation.

(a) Backward schedule:

Operation    |  Work Center  |  Time (hours)  |  Start Day

--------------------------------------------------------

Final Assembly |   Work Center 1  |        1       |     200

Sub-assembly 1 |   Work Center 2  |        2       |     199

Component 4     |   Work Center 3  |        3       |     197

Component 2     |   Work Center 4  |        4       |     196

Component 3     |   Work Center 5  |        3       |     ????

(b) To identify when component 3 must be started to meet the delivery date, we need to consider its dependencies and lead times.

From the backward schedule, we see that component 3 is required for sub-assembly 1, which is scheduled to start on day 199. The time required for sub-assembly 1 is 2 hours, which means it should be completed by the end of day 199.

Since component 3 is needed for sub-assembly 1, we can conclude that component 3 must be started at least 2 hours before the start of sub-assembly 1. Therefore, component 3 should be started on day 199 - 2 = 197 to ensure it is completed and ready for sub-assembly 1.

Hence, component 3 must be started on day 197 to meet the delivery date of day 200.

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Given:

Option D is the correct answer..

Answer:

4.  Rotate 120∘ counterclockwise around center C, then rotate 220∘ counterclockwise around C again.

Step-by-step explanation:

Option 1, 2 and 3 will return a shape back to its original because:

1. 3 units up and 3 units down are direct opposite and will cancel out one another. Hence, the shape will return to its initial position.

2. Reflect over line p, and over p again.

This actions are also direct opposite and also have the same effect as (1)

3. Translate 1 unit to the right and 3 units to the right.

This equates to 4 units to the right and it will cancel out the translation of 4 units to the left.

4. Rotate 120 counter clockwise and another 220 counterclockwise will not make a shape go back to its original position.

Hence:

4 answers the question

Answer:

D 130 degrees

Step-by-step explanation:

got it right on the test

Answer:

130

Step-by-step explanation:

A circle with a circumference of 432 cm is centered at the vertex of an angle, and the angle's rays subtend an arc that is 286.8 cm long. The measure of this angle in degrees is 238.9°.

To find the measure of the angle in degrees, we can follow these steps:

1. Determine the ratio of the subtended arc length to the circle's circumference.
The ratio can be calculated by dividing the subtended arc length (286.8 cm) by the circle's circumference (432 cm).

Ratio = (Subtended Arc Length) / (Circumference) = 286.8 cm / 432 cm ≈ 0.664

2. Multiply the ratio by 360 degrees to find the measure of the angle.
Since there are 360 degrees in a complete circle, we can multiply the ratio by 360 to find the angle's measure.

Angle Measure = Ratio × 360° ≈ 0.664 × 360° ≈ 238.9°

So, the measure of this angle in degrees is approximately 238.9°.

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Answer:

$21.64

Step-by-step explanation:

original amount = spent + remaining

original amount = 4.76 + 16.88

= $21.64

Answer:

Michelle started with $21.64.

Step-by-step explanation:

To solve this problem, we simply need to add he current price, or $16.88, to the amount she spent, or $4.76.

16.88 + 4.76 = $21.64

Therefore, Michelle started with $21.64.

Hope this helps! :D

Answer:

A. 160

B. 960

Step-by-step explanation:

The interest earned after 5 years is the balance - the initial balance: 160

The balance is 800 * (1 + .04*5): 960

Answer:

7.5

Step-by-step explanation:

10 + ( 7 × 1.5) = 20.5

6 + ( 7 × 13 ) = 13

20.5 - 13 = 7.5

The right response is that the two linear equation never intersect , because the graph of these two linear equation will be two parallel lines.

How many types of solution are there for two linear equations ?

There are 2 types of solution :
Consistent :

A consistent system is said to be an independent system if it has a single solution.

A consistent system is said to be a dependent system if the equations have the same slope and the same y-intercepts. In other words, the lines coincide, so the equations represent the same line. Each point on the line represents a pair of coordinates that fits the system. So there are an infinite number of solutions.

Non-consistent :

Another type of system of linear equations is the inconsistent system, in which the equations represent two parallel lines. The lines have the same slope and different y-intercepts. There are no common points for both lines; therefore, there is no solution to the system and if we draw the graph of these equations then the graphs of both equation becomes parallel to each other.

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The two linear equations never intersect.

When a system of two linear equations in two variables has no solution, it means that there is no set of values for the variables that satisfies both equations simultaneously. Geometrically, this corresponds to the two lines represented by the equations being parallel. Since parallel lines never intersect, the statement "The two linear equations never intersect" accurately describes the situation.

If the two linear equations were graphed on a coordinate plane, they would appear as two distinct lines that run parallel to each other without ever crossing or intersecting. This indicates that there is no common point of intersection between the lines, and therefore no solution exists for the system of equations.

It is important to note that this scenario is different from the case where the two linear equations represent the same line. In that case, the equations would be equivalent, and every point on the line would satisfy both equations. However, when there is no solution, it means that the lines do not share any common points and never intersect.

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Answer:

2x + 3 = 3x + 1

x = 2

hope that helps ✌

The increase in weekly wages for both the man and the boy is Rs. 40.

Let's assume that the increase in wages for both the man and the boy is x.

After the increase, the man's weekly wage will be Rs. 80 + x and the boy's weekly wage will be Rs. 35 + x.

We know that the man's wage after the increase is 8/5 of the boy's wage after the increase. Mathematically,

80 + x = (8/5)(35 + x)

Simplifying this equation, we get:

80 + x = 56 + (8/5)x

Multiplying both sides by 5, we get:

400 + 5x = 280 + 8x

Subtracting 5x from both sides, we get:

400 = 280 + 3x

Subtracting 280 from both sides, we get:

120 = 3x

Dividing both sides by 3, we get:

x = 40

Therefore, the increase in wages is Rs. 40.

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The correct answer is stepwise selection. This is a variable selection procedure that starts with a regression model with none of the independent variables and considers adding an independent variable at each step. Stepwise selection, backward elimination, best subsets, and forward selection are all examples of variable selection procedures that are commonly used in regression analysis.

Answer:

4 miles

Step-by-step explanation:

Given that:

Charges for the first \(\frac{1}2\) mile = $3.50

Tip given to driver = $4

Charges for additional 0.1 mile = $0.50

Total money available = $25

To find:

Total number of miles that a person can ride?

Solution:

Let us have a look at the money left after charges for the first \(\frac{1}{2}\) mile and tip.

\(\Rightarrow \$3.50 + \$4 = \$7.50\)

Money left = $25 - $7.50 = $17.50

$0.50 is required for the distance = 0.1 mile

$1 is required for the distance = 0.2 miles

$17.50 is required for the distance = 0.2 \(\times\) $17.50 = 3.5 miles

Total distance traveled = First half mile + Distance traveled with the amount of money remaining as calculated above. = 0.5 + 3.5 = 4 miles

70 grade must the student earn on the last exam to get an average of an 80 for the marking period.

Division is the process of splitting a number or an amount into equal parts.

Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication.

here, we have,

given that,

A student received grades of 84, 87, and 79 on the first three exams.

let, x grade must the student earn on the last exam to get an average of an 80 for the marking period.

i.e. (84+87+79+x)/4=80

solving, we get,

x=70

Hence, 70 grade must the student earn on the last exam to get an average of an 80 for the marking period.

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Answer:

1/8 for the coins

I can't the spinner so i cant answer that

Step-by-step explanation:

1/2x1/2x1/2

Answer:

1:500

Step-by-step explanation:

3cm:15m

1cm:5m

1cm:500cm

1:500

no photo??

how do u want me to help u when there's nothing

Answer:

13.26 * 6 =79.56

Step-by-step explanation:

Answer:

cahrge 15 for first hours and 6 for every additional hour

Step-by-step explanation:

you get more money because if you do one hour then you will still get $15 in a hour while if you do one hour in the other equation yolu will only get $5

Answer:

80√3c+12√5c⁴

Step-by-step explanation:

You gave 2√10c (4√30 + 3√2c³) so...

1.) Distribute
You will then get 8√300c+6√20c⁴

2.) Simplify the radical expression and you will get
8x10√3c+6x2√5c⁴

3.) Calculate
80√3c+12√5c⁴

And that is your answer

Answer:

80√3c+12√5c⁴

Step-by-step explanation:

2√10c (4√30 + 3√2c³) so first things first:

1.) Distribute

You will then get 8√300c+6√20c⁴

2.) Simplify the radical expression and you will get

8x10√3c+6x2√5c⁴

3.) Calculate

80√3c+12√5c⁴

1. For the triple integral ∫∫∫ f(x, y, z) dV with f(x, y, z) = x and Σ being the part of the plane x + 4y + z = 10 in the first octant, the limits of integration are 0 ≤ x ≤ 10, 0 ≤ y ≤ (10 - x)/4, and 0 ≤ z ≤ 10 - x - 4y.

2. For the triple integral ∫∫∫ f(x, y, z) dV with f(x, y, z) = y² and Σ being the part of the plane z = x for 0 ≤ x ≤ 2 and 0 ≤ y ≤ 4, the limits of integration are 0 ≤ x ≤ 2, 0 ≤ y ≤ 4, and 0 ≤ z ≤ x.

1. To evaluate ∫∫∫ f(x, y, z) dV, where f(x, y, z) = x and Σ is the part of the plane x + 4y + z = 10 in the first octant:

We need to find the limits of integration for x, y, and z within the given region Σ. In the first octant, the region is bounded by the planes x = 0, y = 0, and z = 0. Additionally, the plane x + 4y + z = 10 intersects the first octant, giving us the limits: 0 ≤ x ≤ 10, 0 ≤ y ≤ (10 - x)/4, and 0 ≤ z ≤ 10 - x - 4y. Integrating f(x, y, z) = x over these limits will yield the desired result.

2. For ∫∫∫ f(x, y, z) dV, where f(x, y, z) = y² and Σ is the part of the plane z = x for 0 ≤ x ≤ 2 and 0 ≤ y ≤ 4:

The given region Σ lies between the planes z = 0 and z = x. To evaluate the triple integral, we need to determine the limits of integration for x, y, and z. In this case, the limits are: 0 ≤ x ≤ 2, 0 ≤ y ≤ 4, and 0 ≤ z ≤ x. Integrating f(x, y, z) = y² over these limits will give us the final result.

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Answer:

f (x,y) = sin (x,y)  & points = (1,0)

Maximum  rate of change in f at given point & direction = 1

Step-by-step explanation:

The function & points are not given,

Considering them as general example : f (x,y) = sin (x,y) & points = (1,0)

Maximum rate of change in f (x,y) happens in direction of ∇ f (1,0)

∇  f (x,y) =  [ df / dx ,  df/ dy ]

= [ y cos (xy) , x cos (xy) ]

∇ f (1,0)  = [ 0, cos (0) ] = (0,1)

Magnitude at (1,0) = ∇ f (1,0)  = √ 0^2 + 1^2  = 1

Answer:

BEFmZ Is the answer i think

Step-by-step explanation:

Answer:

mFBE = 14x + 6

Step-by-step explanation:

As you can see FBE is sum of FBC + CBE

         Given mFBE = mFBC + mCBE

                               = 10x - 9 + 4x + 15

                               = 14x + 6

So mZFBE = 14x + 6

Answer:

1

Step-by-step explanation:

Answer:

They are both correct

Step-by-step explanation:

We can test by plugging 5 in for x, and 15 in for y.

Jared:

Nicole:

Equations are equal.

The factorized form of each expression is given below:

a. (x - 5)(x + 5)

b. (y - 6)(y + 6)

c. (x - 1)(x - 13)

d. (s + 2)(s + 5)

e. (q - 4)(q - 3)

f. (r + 1)(r + 12)

g. (x - 5)(x + 4)

h. (y + 2)(y + 3)

i. (b - 3)(b + 4)

j. (k - 2)(k - 3)

a. x² - 25:

The difference of squares formula is a² - b² = (a - b)(a + b).

Here, a = x, b = 5. So, x² - 25 = (x - 5)(x + 5).

b. y² - 36:

Again, using the difference of squares formula, a = y, b = 6. So, y² - 36 = (y - 6)(y + 6).

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Answer:

\(2x-3y\)

Step-by-step explanation:

Apply the distributive property by multiplying the outside to both terms on the inside:

\(-\frac{1}{4}\) of -8x is equal to 2x

\(-\frac{1}{4}\) of 12y is equal to 3y.

Answer:

it means that the speed of water was constant