Which expression is equivalent to
(V-1)
a. 31
b. 29
c. 124
d. ¡18

The reaction force in this scenario is the force exerted by the floor on the ball, which is the third option: The floor pushes up on the ball.

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When the basketball player dribbles the ball, the ball exerts a downward force on the floor due to the impact. As a result, the floor exerts an equal and opposite upward force on the ball, allowing it to rebound upward.

This reaction force from the floor is crucial for the ball to bounce back, as it provides the necessary upward force to counteract the ball's downward motion. It is this upward reaction force that allows the ball to defy gravity momentarily and rebound into the air.

It's important to note that while the other options listed may be relevant in different contexts or scenarios, they do not directly pertain to the reaction force involved in the ball's interaction with the floor during dribbling.

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The probability of winning, we need to find the probabilities of X being 4, 7 and add them up = 0.0061

a) Probability of drawing two blue marbles:We need to find the probability of drawing 2 blue marbles.

There are 50 blue marbles in the bag and a total of 100 marbles.

Let’s use the probability formula for this:P(drawing first blue marble) = 50/100 = 1/2

         P(drawing second blue marble) = 49/99P(drawing two blue marbles) = (1/2) x (49/99)P(drawing two blue marbles) = 49/198

P(drawing two blue marbles) = 49/198.

b) Form a random variable that describes the number of points after two draws:

                     The number of points after two draws depends on the colors of the two marbles drawn.

Let X be the random variable describing the number of points after two draws.

The values that X can assume and the probability function of X is shown below

                    We can find the probabilities by using the formulas shown below

                                     P(X= -2) = P(drawing two blue marbles) = 49/198P(X= -1) = P(drawing one blue and one red marble)

P(X= 1) = P(drawing one red and one yellow marble)

P(X= 4) = P(drawing one yellow and one red marble)

P(X= 7) = P(drawing two yellow marbles)

The probabilities of drawing one blue and one red marble is:

       P(drawing one blue and one red marble) = (1/2) x (40/99) x 2 = 40/198

The probabilities of drawing one red and one yellow marble is:

P(drawing one red and one yellow marble) = (40/99) x (10/98) x 2

                                             = 20/4851

The probabilities of drawing one yellow and one red marble is:

P(drawing one yellow and one red marble) = (10/99) x (40/98) x 2

                                                 = 20/4851

Therefore, the values that X can assume and the probability function of X is:

                              X    -2    -1    1     4     7

                            P(X) 49/198 40/198 20/4851 20/4851 1/495

c) Probability of winning: You win if you get 4 points or more.

To find the probability of winning, we need to find the probabilities of X being 4, 7 and add them up.

P(X ≥ 4) = P(X= 4) + P(X= 7)P(X ≥ 4) = (20/4851) + (1/495)P(X ≥ 4) = 0.0041 + 0.0020P(X ≥ 4) = 0.0061

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Answer: L(4), S(5)

Step-by-step explanation:

L-Cup of lemonde

S-Box of smores

For example let's say I buy 1 cup of lemonde and 2 boxes of smores

my expression is 1(4)+2(5)=14 dollars I spent

Answer:

Enterprise charges more for a 6 day rental.  ($284 for Hertz and $294 for Enterprise). Avery would save $4 if he rented with Hertz for 4 days.

Step-by-step explanation:

H = Hertz

E = Enterprise

x = Days rented

T = Total cost for x days, in $

Hertz:   TH = 42x + 32

Enterprise: TE= 45x + 24

====================

6 Day Rental:

TH = 42*(6) + 32,    =  $284

TE  = 45*(6) + 24     =  $294

4 Day Rental:

TH = 42*(4) + 32,    =  $200

TE  = 45*(4) + 24     =  $204

The numbers x for which ||v + w|| = 2 are 16 and -167.

When v = 6i - 4j and w = xi + 6j, the numbers x for which ||v + w|| = 2 are given by the expression "||v + w||² = 4".

Explanation: It is known that ||u||² = u·u for any vector u. Thus,||v + w||² = (v + w)·(v + w) = v·v + 2v·w + w·w

Substituting the given values of v and w, we have

||v + w||² = (6i - 4j)·(6i - 4j) + 2(6i - 4j)·(xi + 6j) + (xi + 6j)·(xi + 6j)= 36i·i - 48i·j - 48j·i + 16j·j + 12xi·i + 72xi·j + 72j·i + 36j·j + x²i·i + 12xi·j + 36j·j= (36 + x²)i·i + (144 + 12x)j·i + (72 + 72x)i·j + (52)j·j

The above equation needs to be solved in order to get the values of x such that

||v + w|| = 2:||v + w||² = 4 ⇔ (36 + x²) + (144 + 12x) + 2(72 + 72x) + 52 = 4 ⇔ x² + 86x - 2672 = 0

The solutions for the above quadratic equation are x = 16 and x = -167.

Therefore, the numbers x for which ||v + w|| = 2 are 16 and -167.

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Answer:

area of one of the basses is 1.44 square feet

area of each lateral rectangular face is 0.96 square feet

SURFACE AREA OF THE PAPERWEIGHT IS 6.72 square feet.

Step-by-step explanation:

Answer:

The other person is 100% right! Give them brainliest :)

Step-by-step explanation:

Answer:

To expand (x + 4)², we can use the formula for squaring a binomial: (a + b)² = a² + 2ab + b². In this case, a = x and b = 4.

So,

(x + 4)² = x² + 2(x)(4) + 4²

= x² + 8x + 16

Thus, (x+4)² when expanded and simplified gives x² + 8x + 16.

Step-by-step explanation:

Answer:

x²n+ 8x + 16

Step-by-step explanation:

(x + 4)²

= (x + 4)(x + 4)

each term in the second factor is multiplied by each term in the first factor, that is

x(x + 4) + 4(x + 4) ← distribute parenthesis

= x² + 4x + 4x + 16 ← collect like terms

= x² + 8x + 16

Answer:

Step-by-step explanation:

-Distance traveled is always the magnitude of the displacement vector. ... A car travels around a circular track clockwise (as viewed from above) at constant speed. ... Select all of the position versus time graphs below that could possibly correspond to this ... A straight line with a slope of 10 m/s that passes though the origin

Answer:

a) x + y = 30

   2x + 4y = 80

b) chickens - 20

    pigs - 10

Step-by-step explanation:

a) x + y = 30

   2x + 4y = 80

b) x + y = 30 (1) times by 2

   2x + 4y = 80 (2) times by 1

   2x +2y = 60 (1)

   2x + 4y = 80 (2)

Take 1 away from 2.

2y = 20

y=10

Substitute it back into the original equations.

x+y=30

x + 10 = 30

x = 20

Answer:

You are correct, the answer that you highlighted

Step-by-step explanation:

We know y is LESS than the expression, therefore the shaded area would be at the bottom. Furthermore, the expression tells us simply that y is LESS than 1-3x, NOT EQUAL. Therefore, the graph must have a dotted line.

I hope this helps! :)

Answer:

a) y²=x

b)(y-2)²=x

c)(3y)²=x

d)(y-2b)²=x

e)square root A =x

f)(P-2)²=x

g) square root (3H-6)=x

h) square root(5T-2)=x

Step-by-step explanation:

where I have written square root use the square root symbol.

Answer:

Its the "range" of x values, so from -2 to 2.

You can write it as [-2, 2]

The number that makes the mixed fraction equation true is -1.

The number that makes the equation true is calculated by applying the following formula as follows;

The given equation;

-7 ¹/₂ + ? = - 8 ¹/₂

The solution of the equation is calculated as follows;

Convert each mixed fraction into improper fraction;

-7 ¹/₂ = -15/2

-8 ¹/₂ = -17/2

-15/2 + ? = -17/2

Collect the similar terms together as follows;

? = -17/2 + 15/2

? = (-17 + 15) / 2

? = -2/2

? = - 1

Thus, the number that makes the equation true is -1.

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Answer:

1/6 simplified

Step-by-step explanation:

First, we have to multiply 1/6 x 1/6

We multiply both the numerators and the denominators together to get the first step answer

We multiply 1 x 1 in the numerator which stays as 1

When we multiply 6 x 6 in the denominator we get 36

So we get 1/36 when we do the first step

Now we have to divide 1/36 by 1/6

When you are dividing, you always use the rule, “keep, change, flip”

Keep the first number 1/36

Change the sign from division to multiplication

And flip the the 1/6 to 6/1 or 6 so you have the reciprocal.

Now we have the equation 1/36 x 6/1 which we use the get our final answer

Multiply 1 x 6 in the numerator to get 6 as your numerator

Multiply 36 x 1 in the denominator to get 36 as your denomintor

So your answer is 6/36 but this can be simplified to 1/6

Hope this helped and please award brainliest if possible!

Answer:

123icuxxiffatjtjfug8utkxi93hkgodo c office c 8f

Answer:

y = 5/8x + 12

Step-by-step explanation:

Slope = change in y/change in x

slope = 5/8

Using y = mx + b find b.

y = 5/8x + b

-2 = 5/8(-4) + b

b = 1/2

y = 5/8x + 12

good luck, i hope this helps :)

Answer:

Graph the equation of the line for the equation , y = 3x-12.

Step-by-step explanation:

hope this helps

if the equation has no real solutions, then the value of t must be less than -2.

The given equation is 2x^2 - 4x = t. To find the value of t if the equation has no real solutions, we can use the discriminant (b^2 - 4ac) of the quadratic equation. If the discriminant is less than zero, then the quadratic equation has no real solutions. The discriminant is b^2 - 4ac. Here, a = 2, b = -4, and c = -t.If the equation has no real solutions, then the discriminant is less than zero.

Therefore, b^2 - 4ac < 0.Substituting the values of a, b, and c, we get: (-4)^2 - 4(2)(-t) < 0Simplifying, we get: 16 + 8t < 0Subtracting 16 from both sides, we get: 8t < -16Dividing by 8 on both sides, we get: t < -2Thus, if the equation 2x^2 - 4x = t has no real solutions, then the value of t must be less than -2.Give latex-free answer:The discriminant is less than zero. Therefore, b^2 - 4ac < 0. If the equation has no real solutions, then the value of t must be less than -2.

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The equation of the curve that passes through the point (0, 1) and has a slope of 5xy at any point (x, y) is y = (5/2) * x^2y + 1. This equation represents a curve where the y-coordinate is a function of the x-coordinate, satisfying the conditions.

To determine an equation of the curve that satisfies the conditions, we can integrate the slope function with respect to x to obtain the equation of the curve. Let's proceed with the calculations:

We have:

Point: (0, 1)

Slope: 5xy

We can start by integrating the slope function to find the equation of the curve:

∫(dy/dx) dx = ∫(5xy) dx

Integrating both sides:

∫dy = ∫(5xy) dx

Integrating with respect to y on the left side gives us:

y = ∫(5xy) dx

To solve this integral, we treat y as a constant and integrate with respect to x:

y = 5∫(xy) dx

Using the power rule of integration, where the integral of x^n dx is (1/(n+1)) * x^(n+1), we integrate x with respect to x and get:

y = 5 * (1/2) * x^2y + C

Applying the initial condition (0, 1), we substitute x = 0 and y = 1 into the equation to find the value of the constant C:

1 = 5 * (1/2) * (0)^2 * 1 + C

1 = C

Therefore, the equation of the curve that passes through the point (0, 1) and has a slope of 5xy at any point (x, y) is:

y = 5 * (1/2) * x^2y + 1

Simplifying further, we have:

y = (5/2) * x^2y + 1

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Using the principle of proportional relationship, the amount in pounds of Grow better Fertilizer exceeds the required amount of Feed all Fertilizer. Hence, more of Grow better Fertilizer would be needed.

Feed - All Fertilizer :

2 pounds = 100 foot row

x pounds = 450 foot row

Cross multiply

100x = 900

Divide both sides by 100

x = 900 / 100

x = 9 pounds

Grow better Fertilizer :

25 pounds = 1000 foot rows

x pounds = 450 foot rows

Cross multiply

1000x = 450 × 25

1000x = 11250

Divide both sides by 1000

x = 11250 / 1000

x = 11.25 pounds

Hence, Cala will need more of Grow better Fertilizer.

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Answer: Inductive Reasoning.

Had to complete the question first.

Maria is writing a list of numbers. She asked Susanne what the next number would be . After looking at the list: 7,14,21,28,35,42,_Susanne states,”the next number will be 49” inductive or deductive.

Step-by-step explanation:

inductive reasoning: This is known as a process of using observations and  examples to reach a conclusion or decision.

When ever a pattern or trend is used to predict the next possible outcome, you are using inductive reasoning. Just like from Maria list Susanne was able to predict that the next number would be 49 because the sequence increases with an interval of 7. ( 7, 14, 21, 28, 35, 42, 49).

If a sample contains 12.5% parent, 3 half lives are passed and if the radioactive pair is K-40 and Ar-40,  the actual age of the sample is 3.75 billion years.

If a sample contains 12.5% parent, it means that 3 half-lives have passed. To calculate the actual age of the sample with the radioactive pair K-40 and Ar-40, you need to know the half-life of K-40, which is 1.25 billion years. The actual age of the sample can be found by multiplying the half-life by the number of half-lives passed: 1.25 billion years * 3 = 3.75 billion years. Therefore, the actual age of the sample is 3.75 billion years.

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Answer:

672 had dark hair, 592 had blond hair, and 48 had red hair

Step-by-step explanation:

To solve this problem, we need to first find the total number of people for each hair color based on the given ratio.

Let's start by finding the common factor that we can use to scale the ratio up to the total number of people, which is 1,312:

42 + 37 + 3 = 82

We can then divide 1,312 by 82 to get the scaling factor:

1,312 ÷ 82 = 16

This means that for every 16 people, there are 42 with dark hair, 37 with blond hair, and 3 with red hair.

To find the actual number of people with each hair color in the town meeting, we can multiply the scaling factor by the number of people for each hair color in the ratio:

Dark-haired people: 42 × 16 = 672

Blond-haired people: 37 × 16 = 592

Red-haired people: 3 × 16 = 48

Therefore, there are 672 people with dark hair, 592 people with blond hair, and 48 people with red hair at the town meeting.

Answer:

Im pretty sure its D

Step-by-step explanation:

Predictive accuracy and goodness-of-fit are not the same because they assess different aspects of a predictive model. Predictive accuracy focuses on how well a model predicts outcomes on new, unseen data, while goodness-of-fit measures how well a model fits the observed data used for training.

Strategies like holdout, cross-validation, and bootstrap sampling support predictive performance evaluation by providing methods to estimate how well a model will generalize to new data. Holdout involves splitting the data into training and testing sets, allowing the model to be evaluated on unseen data. Cross-validation further enhances this by performing multiple iterations of holdout with different train-test splits, providing more robust performance estimates. Bootstrap sampling generates multiple bootstrap samples from the original data, allowing for the calculation of confidence intervals and assessing model stability.

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Addition of the reactant to ocean water producing a trace amount of

gold, makes the (gold compound in the) ocean water the limiting reagent.

A limiting reagent is the reactant that is consumed first before the other

reagents in the reaction.

The given parameters are;

The item added to the ocean = A reactant that precipitate gold from solution

The item to which the reactant is added is a large sample of ocean water

The amount of solid gold resulted from after filtering the mixture = Trace amount of gold

Therefore;

Given that the reactant produces gold from a solution containing gold,

and that the solution the reactant is added to is a sample of ocean water,

the gold in the ocean water is the limiting reagent that limits the amount

of gold produced.

Therefore;

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Answer:

We have ordered pairs (60,360), (120,720), (180,1080), (240,1440), and (300,1800) as the answer.

Step-by-step explanation:

The table would look like this:

Under minutes you would place 60, 120, 180, 240, and 300.

Under calories you would place 360, 720, 1080, 1440, and 1800.

y = 6x

Multiply 60, 120, 180, 240, and 300 by 6 for 6 calories.  This gives us the ordered pairs above.  

The percentage of red blood cells in a sample of human blood is typically around 45%.

Red blood cells, also known as erythrocytes, are the most abundant cells in human blood and play a crucial role in transporting oxygen to various tissues and organs. The percentage of red blood cells in a blood sample is referred to as the hematocrit.

In healthy individuals, the normal range for hematocrit is generally around 40% to 52% for males and 36% to 48% for females. This means that red blood cells make up approximately 40% to 52% (or 36% to 48% in females) of the total volume of blood.

Among the given answer choices, the closest percentage to the typical range for hematocrit is 45%. This value falls within the expected range and represents a reasonably accurate estimation of the percentage of red blood cells in a sample of human blood.

It's important to note that the percentage of red blood cells can vary depending on various factors, including age, sex, health conditions, and altitude. For example, individuals living at high altitudes may have a higher hematocrit due to the body's adaptation to lower oxygen levels. Conversely, certain medical conditions or diseases can cause deviations from the normal range.

Therefore, while the approximate value of 45% is a good estimation for the percentage of red blood cells in a sample of human blood, it's important to consider individual variations and consult medical professionals for accurate assessments in specific cases.

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