Jamar is playing a video game. The object of the game is to roll a marble into a target. In the figure, the
shaded rectangular area represents the video screen and the black rectangle is a barrier. Because of the
barrier, it is not possible to roll the marble M directly into the target T. At what point should Jamar aim
the marble so that it will bounce off a wall and roll into the target?

Answers

Answer 1

Answer:

Jamar should hit the wall opposite to the side of the barrier(if there is a space), which will cause the ball to bounce off the wall at an angle and into Target.

Answer 2

Aiming for the coordinate (0, 2.5) along the plane AB would ensure that the ball hits the plane AB and travels diagonally to the point T which is the target.

To ensure that the marble escapes the barrier, the ball should be aimed at a point along the AB plane.

This point should be about the midpoint of the width of the side of the barrier.

Once the marble travels diagonally to hit the plane AB, it travels diagonally upward, hence escaping the barrier and hitting the target T.

The coordinate point to be aimed at on the plane AB which is also equal to the midpoint of the barrier's width is : (0, 2.5)

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Jamar Is Playing A Video Game. The Object Of The Game Is To Roll A Marble Into A Target. In The Figure,

Related Questions

9x²+7x=0 Solve quadratic equation by factoring

Answers

Answer:

Step-by-step explanation:

9x²+7x=0

x(9x+7) =0

x=0  or 9x+7 =0

x=0 or x = -7/9

7) Show 10,000 as an exponent
B) What is the value of the 5 in 52.890?​

Answers

Answer:

7) 10^4

B) 50

Step-by-step explanation:

7) 10,000=10x10x10x10

turned into an exponent= 10^4

B). the 5 is in the tens place so it's value is

50

square root 1/4 +square root 9/4 -square root 45

Answers

Answer:

[tex]-\frac{85}{2}[/tex]

Step-by-step explanation:

[tex]|\frac{1}{4} |+|\frac{9}{4}| -|45|[/tex]

Simplify the expression.

[tex]\frac{1}{4} +\frac{9}{4} = \frac{5}{2}[/tex]

[tex]\frac{5}{2}-45=-\frac{85}{2}[/tex]

Answer:

2 + 3 √5

Step-by-step explanation:

√(1/4) = 1/2

√(9/4) = 3/2

√(45)= √(9×5)= 3 √5

√(1/4)+√(9/4)+√(45) 1/2 +3/2 + 3 √5 = 2 + 3 √5

The travel time for a plane traveling at a rate of r kilometers per hour for 900 kilometers

Answers

Final answer:

The travel time for a plane traveling at a rate of r kilometers per hour for 900 kilometers can be calculated using the formula: Time = Distance / Speed. So, the travel time for the plane would be 900 / r hours.

Explanation:

The travel time for a plane traveling at a rate of r kilometers per hour for 900 kilometers can be calculated using the formula:

Time = Distance / Speed

Since the distance is given as 900 kilometers and the rate is given as r kilometers per hour, the travel time can be written as:

Time = 900 / r

So, the travel time for the plane would be 900 / r hours.

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Identify the property used in each of the steps​

Answers

Answer: (1) Distributive (2) Commutative (3) Associative

              (4) Commutative  (5) Addition Property of Equality

Step-by-step explanation:

1) Distributive

(x + 4) was multiplied by 3 and (2x - y) was multiplied by 5

2) Commutative

10x and -5y switched places

3) Associative

The parenthesis changed partners

4) Commutative

(12y - 5y) and 10x switched places

5) Addition Property

Like terms were added together --> 3x + 10x = 13x and 12y - 5y = 7y

Victor is on his school's swim team. During his 2-week winter break, he swims 30 laps each
week to stay in shape. If each lap is 25 yards, how many feet does he swim during his winter
break?

Answers

Victor swims 4500 ft during his winter break.

It is given that,

Number of weeks in winter break: 2Laps each week: 30Yards in each lap: 25 yards

Explanation:

Laps in one week is 30. So, laps in two weeks is:

[tex]2\times 30=60[/tex]

1 lap is equal to 25 yards. So, 60 laps is equal to:

[tex]60\times 250=1500[/tex] yards

We know that,

1 yard = 3 ft

So, 1500 yards is:

[tex]1500\times 3=4500[/tex] ft

Thus, Victor swims 4500 ft during his winter break.

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How many granola bars will Kirby pack in all?

Answers

20. He already has 5 in one bag and 5 in another so that makes 10 plus the other 10 which will be 20 in all.

20 Points, Please explain answer.

Lia claims that a reflection over the y-axis will always carry a circle drawn on the coordinate plane to a circle with the same center and the same radius. Which statement best describes Lia's claim?

A
Lia is correct as a reflected circle will always have the same center and always have the same radius as the original circle.

B
Lia is incorrect as a reflected circle will not always have the same radius and will not always have the same center as the original circle.

C
Lia is correct in stating that the reflected circle will always have the same radius, but is incorrect in stating that the reflected circle will always have the same center.

D
Lia is incorrect in stating that the reflected circle will always have the same radius, but is correct in stating that the reflected circle will always have the same center.

Answers

Answer: YOUR ANSWER WOULD BE B

Step-by-step explanation: Your answer would be B because when you reflect something on the y-axis it always goes one cube or dashed line forward so it will not have the same radius nor the circle hope this helps you alot

Answer:

C. Lia is correct in stating that the reflected circle will always have the same radius, but is incorrect in stating that the reflected circle will always have the same center.

Step-by-step explanation:

Lia's claim is not correct, because when we reflect a figure, its coordinates variate. In this case, Lisa is trying to reflect a circle over the y-axis, which will change y-axis coordinates. The center of the circle is gonna change its y-axis coordinate, for example, if the center is [tex]C(2;3)[/tex], its reflection will be [tex]C(2;-3)[/tex]

Therefore, the center of the circle will not remain the same. However, the radius will be the same, because changing y-axis coordinates don't affect the distance between the center and the circumference of the circle.

So, the correct answer is option C.

What is the value of 1 exponent 102? What is the value of any power of 1? Justify your answer.

Answers

The value of [tex]1^{102[/tex] is 1 because 1 multiply by itself results to 1.

What is Exponents and power?

A number's exponent indicates how many times the number has been multiplied by itself.

: Since 2 is multiplied by itself 4 times, 2x 2 x 2x 2 can be expressed as [tex]2^4[/tex]. Here, 4 is referred to as the "exponent" or "power," while 2 is referred to as the "base."

Given:

[tex]1^{102[/tex] = ?

Now, if we have

1² = 1 x 1 = 1

1³ = 1 x 1x 1 = 1

.

.

.

[tex]1^{50[/tex]= 1 x 1 x 1 x 1 x 1 x ................(50 times) = 1

and, [tex]1^{102[/tex] = 1 x 1 x 1 x 1 x 1 x ................(102 times) = 1

Hence, the value of [tex]1^{102[/tex] is 1 because 1 multiply by itself results to 1.

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Final answer:

The value of 1 raised to any power, including 1 exponent 102, is 1. When you multiply 1 by itself any number of times, the result is always 1 because the identity property of multiplication states that any number multiplied by 1 remains unchanged.

Explanation:

The value of 1 exponent 102, or $1^{102}$, is 1. In fact, the value of any power of 1 is always 1. To understand this, let's think of the exponent as how many instances of a number are multiplied together. When you multiply 1 by itself any number of times, the result remains 1 because multiplying by 1 does not change the value of the original number. Thus, 1 to any power, whether it's 1 or 102, will still give us 1.

Using these principles, let's address another problem without entering scientific notation into your calculator. To evaluate $(4.506 \times 10^4) \times (1.003 \times 10^2)$, we can multiply the coefficients (4.506 \times 1.003) and then add the exponents of 10 (4 + 2), since when powers of 10 are multiplied together, the exponents are added. The result is approximately 4.514518 \times 10^6.

The quotient of a number 2 is 7

Answers

Answer:14

Step-by-step explanation:

462 grams is how many milligrams

Answers

Answer:462000 milligrams

Step-by-step explanation: you times it by 1000

I need help, if you can help me I’ll be real thankful

Answers

Answer:

x^2-6x+7

Step-by-step explanation:

You can use synthetic division since you are dividing by a linear factor with leading coefficient 1.  (You can also do synthetic division when dividing by a linear factor whose leading coefficient is not 1 but it is a bit trickier.)

So since we are dividing by x-2, 2 goes on the outside.

(If we were dividing by x+2, -2 would go on the outside.)

Now the thing that goes on top inside is the dividend, the numerator which is 1x^3-8x^2+19x-14. If you were missing any terms you would have to place a zero but we aren't. All exponents between 3 and 0 (inclusive meaning to include the 3 and the constant term) on variable x is accounted for.  

2|  1   -8    19     -14

 |       2    -12      14

  -----------------------------

     1  -6     7       0

So the remainder is 0 and the quotient is x^2-6x+7.

What is 3(-6)2 at the top ?

Answers

[tex]\huge\boxed{108}[/tex]

The [tex]^{-2}[/tex] only affects the [tex](-6)[/tex]. Let's solve that exponent first.

[tex]3(-6)^{-2}[/tex]

[tex]3(-6*-6)[/tex]

Multiply.

[tex]3*36[/tex]

Multiply one last time.

[tex]\boxed{108}[/tex]

Answer:

108

Step-by-step explanation:

Do the parentheses first with the exponent of 2 on the outside.

Multiply -6 times -6, which gets you 36.

After, multiply 36 by 3. Which gets you 108!

Final: 108

Which of these side lengths makes the triangle obtuse?
15, 36,

Answers

Answer:

I believe the answer is 36.

There are 19,763 tickets available for a New York Knicks home game. If there are 41 home games in a season, about how many tickets are available for all the Knicks’ home games?

Answers

Answer:

about 800000 ticket available for all the Knicks’ home games

Step-by-step explanation:

given data

tickets for Knicks home game = 19763  ≈ 20000

no of games = 41 ≈ 40

to find out

how many tickets are available for all the Knicks’ home games

solution

we know here ticket available for a New York Knicks home game and games are approx 40

so

total ticket available = tickets for Knicks home × no of games   ........1

total ticket available =20000× 40

total ticket available = approx 800000

so about 800000 ticket available for all the Knicks’ home games

Explain the meaning of each 6 in the number 763 465 284 132

Answers

The first 6 represents 60,000,000,000
The second 6 represents 60,000,000
Final answer:

Each 6 in the number 763 465 284 132 holds an individual place value. The first is worth 6 (one's place), the second is worth 6,000 (thousand's place), and the third is worth 600,000,000 (hundred million's place).

Explanation:

In the number 763 465 284 132, each 6 holds a unique positional value as per the place value system, which is a fundamental concept in Mathematics. The first 6, counting from the right, is in the one's place, so it just represents the number 6. The second 6 is in the thousands place, so it represents 6,000. The third 6 is in the hundred million's place, so it represents 600,000,000.

The number could also be read as: Seven hundred sixty-three billion, four hundred sixty-five million, two hundred eighty-four thousand, one hundred thirty-two.

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please answer! ill give you brainliest :)

Answers

Answer:

answer what?

Step-by-step explanation:

One of two supplementary angles is 70° greater than the second.
Find the measure of the larger angle.​

Answers

Answer:

125°

Step-by-step explanation:

Supplementary angles sum to 180°

let one angle be x then the larger angle is x + 70, thus

x + x + 7 0 = 180

2x + 70 = 180 ( subtract 70 from both sides )

2x = 110 ( divide both sides by 2 )

x = 55

Hence

larger angle = x + 70 = 55 + 70 = 125°

(((PICTURE ATTACHED))) please help

Answers

The answer has been attached as an image. Check it. You will definately understand it all. Good luck!

Jesse multiplied 12 by 0.23. Without calculating will the product be more or less than 12 ? Explain

Answers

Answer:

The product will be LESS than 12.

Step-by-step explanation:

When multiplying a number by something smaller than 1, the product will always be smaller than your first number. A simple way to remember this is that a decimal is the same as a fraction in almost every way. For example, 1/2 and .5 are the same number.

When a number is multiplied by a decimal less than 1, the product will always be less than the original number. Hence, if Jesse multiplies 12 by 0.23, the result will be less than 12.

To determine whether the product of multiplying 12 by 0.23 will be more or less than 12, we can use some basic estimation and mathematical reasoning without performing the actual calculation. Here's a step-by-step explanation:

Step 1: Understand the decimal value of 0.23.

  - 0.23 is less than 1, which means it is a fraction of 1. In decimal form, it's less than 0.5 but greater than 0.2.

Step 2: Understand the concept of multiplication with fractions less than 1.

  - When you multiply a number by a fraction less than 1, the result is smaller than the original number. The closer the fraction is to 0, the smaller the result.

Step 3: Apply this understanding to the problem.

  - Since 0.23 is less than 1 and closer to 0, when you multiply 12 by 0.23, the result will be smaller than 12.

Step 4: Answer the question.

  - Therefore, the product of multiplying 12 by 0.23 will be less than 12.

So, without calculating the actual product, we can confidently say that the result will be less than 12 because we are multiplying 12 by a fraction (0.23) that is less than 1.

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A house has increased in value by 34% since it was purchased the current value is 469,000 what is the value when it was purchased

Answers

Final answer:

The original purchase price of the house was approximately $350,000. This is determined by dividing the current value by 1.34, since the current value represents 134% of the original price. Housing prices generally rise over time, but there can be periods of significant drop.

Explanation:

To find the original purchase price of the house before the increase, we need to understand that the current value represents 100% + 34% = 134% of the original price. Therefore, we can set up the equation 469,000 = 1.34*X, where X is the original value. We can solve for X by dividing both sides by 1.34, which gives X = 469,000 / 1.34, approximately $350,000. Therefore, the house was purchased for about $350,000.

It is important to note that housing prices can fluctuate over time. For example, housing prices have usually risen steadily over time but there are periods where they have dropped significantly, like the housing bust between 2008 and 2009. However, housing is typically considered a safe financial investment over the long term.

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If events X and Y are independent, what must be true? Check all that apply.
P(
YX) = 0
P(
XY)=0
P(YX) = P(Y)
PY|X) = P(X)
OPXY)=P(Y)
P(X|Y) = P(X)

Answers

If events X and Y are independent, then following results are true:

[tex]P(Y/X) = P(Y)[/tex][tex]P(X/Y) = P(X)[/tex]

What are independent events?

" Independent events are defined as the events which are not depend on any other events."

Condition used for independent events

[tex]P(X\cap Y) = P(X) \times P(Y)[/tex]

According to the question,

Given event X and Y are independent,

[tex]P(X/Y) = \frac{P(X\cap Y)}{P(Y)}[/tex]

Substitute the value of [tex]P(X\cap Y)[/tex] we get,

[tex]P(X/Y) = \frac{P(X) \times P(Y)}{P(Y)}[/tex]

             [tex]= P(X)[/tex]

Similarly for independent events X and Y we have,

[tex]P(Y/X) = \frac{P(X\cap Y)}{P(X)}[/tex]

Substitute the value of [tex]P(X\cap Y)[/tex] we get,

[tex]P(Y/X) = \frac{P(X) \times P(Y)}{P(X)}[/tex]

             [tex]= P(Y)[/tex]

Hence, if events X and Y are independent, then following results are true:

[tex]P(Y/X) = P(Y)[/tex][tex]P(X/Y) = P(X)[/tex]

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3. What property describes the number
sentence?
6 +0= 6

Answers

Answer:

The Identity Property

Step-by-step explanation:

Identity Property means the number's Identity stays the same; usually either itself times 1, or plus zero

6 + 0 = 6 is an example of the Identity Property

Answer: Hello there! Just a helping hand here, its an additive identity property. Hope this helps! -Skyler

Step-by-step explanation:

The additive identity property states that the sum of any number and zero is the original number.

If it is 5:00 pm in Bloomington, OH, what time is it in St. Louis, MO?

Answers

Answer:

Should be 4:00 pm

Step-by-step explanation:

Round 919,827 to each place value in the table

Answers

Nearest 1000: 920,000

Nearest 100: 919,800

Nearest 10: 919,830

Answer:

nearest 1000- 10,000

nearest 100- 800

nearest 10- 30

The quotient of a number and 3 is 8

Answers

Hey!

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

[tex]\boxed{ \bf n~/~3~=~8}[/tex]

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

Solution:

Number = n

Quotient of a number and three: n / 3

Is eight: = 8

End Result: n / 3 = 8

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

Hope This Helped! Good Luck!

This is solving polynomial equations with factoring, “algebra” I have no idea how to start this problem or even solve it. Please help!

Answers

[tex]\bf x^2-ax+bx-ab=0\implies \stackrel{\textit{grouping first}}{(x^2-ax)+(bx-ab)}=0 \\\\\\ \stackrel{\textit{common factor}}{x\underline{(x-a)}+b\underline{(x-a)}}=0\implies \stackrel{\textit{common factor}}{\underline{(x-a)}(x+b)}=0\implies \begin{cases} x-a=0\\ \boxed{x=a}\\ \cline{1-1} x+b=0\\ \boxed{x=-b} \end{cases}[/tex]

The width of a rectangular football fields is 14 meters more than half of its length. If L represents the length of the field, write an expression for the width.​

Answers

Answer:

w = 14 - (L/2)

Final answer:

The width, W, of the rectangular football field is expressed as W = (1/2)L + 14, which signifies that the width is half of the field's length plus an additional 14 meters.

Explanation:

If L represents the length of the football field, the expression for the width, W, is W =  rac{1}{2}L + 14. This is because the width is given as 14 meters more than half of the field's length. So, to write this relationship as an expression, we start by taking half of the length, denoted as  [tex]rac{1}{2}L[/tex], and then add 14 meters to this value to account for the additional width.

Gary and Ann have a joint checking account. Their balance at the beginning of October was $9145.87.
During the month they made deposits totaling $2783.71, wrote checks for $4871.90, paid a maintenance
fee of $12, and earned $11.15 in interest on the account. What was the balance at the end of the month?


Answers

Answer:

The balance at the end of the month was $7,056.83

Step-by-step explanation:

we know that

The balance at the end of the month is equal to the balance at the beginning of the month plus deposits and interest minus checks and maintenance fee

so

9,145.87+(2,783.71+11.15)-(4,871.90+12)

9,145.87+(2,794.86)-(4,883.90)=$7,056.83

Answer:

The balance was $ 7,056.83

Step-by-step explanation:

Given,

The original balance in beginning of the month = $9145.87,

The amount of deposit =  $2783.71,

So, new balance after depositing = $9145.87 + $2783.71 = $ 11929.58,

Check amount = $4871.90,

After clearing check, the new balance = $ 11929.58 - $ 4871.90 = $ 7057.68,

Also, after charging $ 12 fees, new balance = $ 7057.68 - $ 12 = $ 7045.68,

Finally getting $ 11.15 interest,

The final balance at the end of month  = $ 7045.68 + $ 11 = $ 7,056.83

What is 10-2 simplified in standard form

Answers

Answer:

8

Step-by-step explanation:

10 - 2 can also be written as:

 10

 - 2

------

    8

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