Joc

Given u = 1/SQRT(10) (-2,1,-1,2). Find a unit vector v satisfying the condition that u . v = -1.

9 years ago

For the following plane equations: x + 2y + 3z = 1 2x + 5y + 3z = -1 x + bz = c Find all values of b and c such that all planes are the same planes. I've reduced it into the row echelon form but don't know what to do next. Thanks beforehand

9 years ago

A new car is purchased for $15,000. In 10 years the same car has a scrap value of $1000.00. The rate of depreciation of its value is constant each year. A determine an equation in the form y=mx+b to represent this situation B how much is the car worth aft...

8 years ago

A sugar cube has a volume of about 4.9 ml. What is the total volume in milliliters of 1.5×10^6 sugar cubes? A. 7.35×10^5 ml B. 7.35×10^7 ml C. 7.35×10^6 ml D. 0.735×10^7 ml

2 years ago

What is the irrational square root √63 rewritten as the product of an integer and another irrational square root, in simplest form?

2 years ago

Research two buildings that you find to have an interesting design. These can be office buildings, homes, football stadiums, or any structure that you are interested in, but you will need to pick two that are the same type of building.

2 years ago

1. What is a nonrenewable resource? (Lesson 2) 2. Describe a renewable energy resource. (Lesson 2) 3. Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral? Explain. (Lesson 3) 4. What is a negative as...

2 years ago

Bot, answer these 5 questions. 1. Customers cannot purchase every product. How does this fact affect companies that make products? A. They increase costs to make up for low sales. B. They decrease quality to make up for low sales. C. They provide better v...

1 year ago

Bot Find the surface area of a cylinder with a diameter of 12 inches and height of 10 inches. Use the approximation of 3.14 for pi.

1 year ago

Bot, given a point ( x, y ), what is the new point when the point is rotated counterclockwise about the origin 270 degrees?

1 year ago

Which explains verb mood? A. It is how a verb is used to state a fact. B. It is how a verb is used to express a thought. C. It is how a verb is used to make a command. D. It is how a verb is used to ask a question.

1 year ago

Use the sentence to answer the question. They might go to the movies, or they will rent one at home. Which sentence corrects the shift in mood? A. They will go to the movies, or they could rent one at home. B. They might go to the movies, or they could re...

1 year ago

Use the image to answer the question. A coordinate plane with 4 quadrants shows x and y axes ranging from negative 9 to 9 in increments of 1. Three rectangles are formed by lines joining four plotted points each. The coordinates of the plotted points for...

1 year ago

Use the image to answer the question. A coordinate plane with 4 quadrants shows x and y axes ranging from negative 5 to 5 in increments of 1. Three triangles are formed by joining three plotted points each. Two of the triangles are joined by connecting th...

1 year ago

Use the image to answer the question. An illustration shows two right triangles with congruent corresponding angles. Triangle A B C is larger than triangle S R T. In triangle A B C, angle A measures 90 degrees, angle B does not have a measurement, and ang...

1 year ago

Drag and drop the words into the correct locations. A writer can use _____ to achieve a more exact meaning and help the audience experience the story. A. precise language B. general words

1 year ago

Which property is unique to electromagnetic waves? A. They can shake structures on Earth. B. They can travel on the surface of water. C. They can travel in a vacuum. D. They can be controlled by the pull of gravity.

1 year ago

Which of the following is an example of a fad from the 1920s? A. a dance marathon B. a woman wearing pants C. road rallies D. poetry readings

1 year ago

A coordinate plane with four quadrants shows an x axis capped with arrows and ranging from negative 3 to 12 in 1 unit increments and a y axis capped with arrows and ranging from 15 to negative 4 in 1 unit increments. Points upper A, upper B, upper A prime...

1 year ago

△CDE∼△PQR. m∠C = 13°, m∠D = 65°. What are the measures of angles P, Q, and R?

1 year ago

Solve for x. −4(2x−11)=12 A. x=4 B. x=−2 C. x=2 D. x=−4

1 year ago

Solve for x : 9x+16=6x+1 .(1 point) Responses x=3 x equals 3 x=−4 x equals negative 4 x=6 x equals 6 x=−5

1 year ago

When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of object could this be? A. a green long-sleeved shirt B. a clear windowpane C. a white sheet of plastic D. a black piece of paper

1 year ago

What is a main idea? A. an action that leads to the main event in a text B. a short statement of the main events of a text C. a lesson that is not stated in a text D. a concept introduced in the middle of a text

1 year ago

Which of the following factors was most responsible for an unequal distribution of wealth? A. There was an increase in business profits. B. Average Americans were not investing in the stock market. C. Wages were not keeping pace with profits of business o...

1 year ago

Which of the following did the New Deal fail to accomplish? A. It failed to subsidize mortgages. B. It failed to end the Great Depression. C. It failed to develop a Good Neighbor Policy. D. It failed to reduce unemployment.

1 year ago

Which characteristic is true of a theme? A. It is a summary of the plot. B. It is explained by the author. C. It is not linked to symbols. D. It is not stated by the author outright.

1 year ago

Which of the following is an example of an equation with no solution? A. 4x+3=3x+3 B. 3x+4=3x+4 C. 3x+4=3x+3 D. 3x+4=4x+3

1 year ago

Which of the following apply to fascism? Select all that apply. A. rooted in militarism B. extreme nationalism C. respect for minorities D. blind loyalty to the state

1 year ago

Solve for x. x − 2 = 8 A. x=−16 B. x=10 C. x=−4 D. x=6

1 year ago

Solve for x. −5x = −30

1 year ago

Solve for x: 12x + 5 = 10x − 11.

1 year ago

True or False: Infectious diseases are caused by organisms or viruses that enter and multiply within the human body. A. true B. false

1 year ago

Thanks for that Steve, it makes sense now. Just a follow up question, what kind of geometrical objects that has cosθ = -1?

9 years ago

Multiply 0.75 by 2.8×10^−5.

2 years ago

Can you do some simple buildings, please?

2 years ago

Define the following vocabulary terms. Non-renewable Resource – Renewable Resource – Sustainable Resource – Mineral – Mineral Resources – Ore – Fossil Fuels – Fracking – Mountaintop Removal – Oil sands – Humus – Soil – Conservation – Recycle – Sustainable...

2 years ago

1. Ocean waves are a source of energy. In 1–2 sentences, make and justify a claim about whether ocean waves are a renewable or nonrenewable resource. 2. In three to five sentences, explain the effects of acid rain on the environment. 3. Larger companies o...

2 years ago

Could you give a different example for Number 3?

2 years ago

Bot, answer these 5 questions. 1. What is an effect of the division of labor? A. Consumers are offered better choices. B. Investors pay more to start companies. C. Producers work more quickly. D. Employees learn how to produce an entire product. 2. Which...

1 year ago

Still wrong, Bot. Try again.

1 year ago

That's wrong, Bot. Try something else.

1 year ago

Still wrong, try again.

1 year ago

Still wrong, put something else other than 602.88, please.

1 year ago

Please stop putting the same answer, Bot. That's wrong, put something else. Please.

1 year ago

Bot, given a point on a geometric figure (1, 2) , what is the new point when the point is rotated clockwise about the origin 90 degrees?

1 year ago

Bot, given a point on a line segment (−4, 5) , what is the new point when the point is rotated counterclockwise about the origin 270 degrees?

1 year ago

Bot, given a point on a geometric figure (x, y) , what is the new point when the figure is rotated clockwise about the origin 270 degrees?

1 year ago

Bot, given a point (1, 2) on a geometric figure, what is the new point when the figure is rotated counterclockwise about the origin 90 degrees?

1 year ago

What is the new point when you rotate a geometric figure with point (5, 8) 270 degrees counterclockwise about the origin? A. (8, 5) B. (8, −5) C. (−5, 8) D. (−8, −5)

1 year ago

Rotate the point (5, 8) on a geometric figure 270 degrees clockwise. What is the new point? A. (−8, −5) B. (8, −5) C. (8, 5) D. (−8, 5)

1 year ago

Rotate the point (−4, −6) on a geometric figure 90 degrees counterclockwise. What is the new point? A. (6, −4) B. (6, 4) C. (−6, 4) D. (−6, −4)

1 year ago

Rotate the point (9, 5) on a geometric figure 270 degrees clockwise. What is the new point? A. (5, 9) B. (−5, 9) C. (−9,−5) D. (−5,−9)

1 year ago

Use the sentences to answer the question. Cameron asked his friend a question about the weekend. His friend responded, “Are we going together or driving separately?” Which mood is used in his friend's sentence? A. interrogative B. intentional C. indicativ...

1 year ago

Which sentence uses verbs in the conditional mood? A. Do you want to ski if it keeps snowing? B. If it keeps snowing, we can go skiing. C. It has not snowed enough for the slopes to open. D. I wish forecasters were more accurate.

1 year ago

Which sentence uses verbs in the subjunctive mood? A. Have you read her latest blog post? B. The blogger's latest post is thought-provoking. C. I suggested that he read that new blog post. D. I wish I was able to come up with interesting posts.

1 year ago

Which sentence uses the indicative form of the verb play? A. I am playing video games. B. Are you playing video games? C. Play video games with me. D. I wish you were playing video games.

1 year ago

Which sentence uses the conditional form of the verb send? A. I suggest you send a letter to our grandparents. B. I could send a letter to our grandparents. C. Send a letter to our grandparents. D. I am sending a letter to our grandparents.

1 year ago

Write a sentence using a verb in the conditional mood and then explain why the sentence uses the conditional mood.

1 year ago

Please use simple terms.

1 year ago

Write a sentence using a verb in the subjunctive mood and then explain how you recognize the use of the subjunctive mood. (Please use simple terms)

1 year ago

Write a sentence using a verb in the interrogative mood and then explain why the sentence is in that mood. (Please use simple terms)

1 year ago

Use the sentence to complete the activity. Talk to them, and you should tell them the truth. In 1–2 sentences, identify the shift in mood and rewrite the sentence correctly. (Use simple terms)

1 year ago

A circular flow diagram is shown. A center box is labeled A, with arrows pointing to and from the center box and the top and bottom boxes. The top box is labeled D, and the bottom box is labeled B. A box on the left is labeled C, and a box on the right is...

1 year ago

Which of the following is most likely to happen if many families in a community stop spending as much money at the local grocery store? A. Farmers would produce more crops to increase supply. B. The grocery store would lay off several employees. C. The gr...

1 year ago

Which of these events would most likely cause a recession? A. The price of gasoline rises by ten percent. B. Political leaders pass large spending cuts. C. Many people find new jobs at the same time. D. The value of total net exports rises unexpectedly.

1 year ago

What is an economy's total output divided by its total population called? A. gross national product B. circular flow C. gross domestic product per capita D. net export

1 year ago

What do I translate it by?

1 year ago

Answer the question, Bot

1 year ago

Wrong, try again.

1 year ago

Use the image to answer the question. A coordinate plane with 4 quadrants shows x and y axes ranging from negative 8 to 8 in increments of 1. Two rectangles are formed by lines joining four plotted points each. The coordinates of the plotted points for fi...

1 year ago

Which is the best example of frictional unemployment? A. a plumber’s contract with an apartment building ending B. college graduates looking for their first jobs after their internships C. workers being laid off during a period of recession D. a company m...

1 year ago

bot

1 year ago

Bot, which are ways that the economy is affected when the unemployment rate goes up? Select all that apply. A. Fewer people pay income taxes. B. Sales tax rates go down. C. Many people refinance their houses. D. Less money is spent on investments. E. Peop...

1 year ago

Which is the most likely result of incomes not rising as quickly as inflation? A. People are able to buy fewer goods and services. B. The unemployment rate rises as more people look for jobs. C. Many people decide to leave the labor force. D. Consumers bu...

1 year ago

How has the standard of living in the United States generally changed over the past 100 years? A. It has stayed more or less the same. B. It has gotten much better. C. It has gotten a little better. D. It has gotten much worse.

1 year ago

△GHI∼△LKJ, and m∠G=30°, m∠H=80°, and m∠I=70°. What are the measures of angles J, K, and L?

1 year ago

The first and third are wrong.

1 year ago

The answers are 70, 80, and 30

1 year ago

In △ABC , m∠A=63° and m∠C=99° . What is the measure of angle B ?

1 year ago

△LMN is isosceles, with ∠M≅∠L and m∠L=36° . What are the measures of angles M and N ?

1 year ago

Show the similarity between a triangle with angles A, B, and C, where m∠A=47° and m∠B=36°, and another triangle with angles G, H, and J, where m∠G=36° and m∠J=97°. A. △ABC∼△HGJ B. △ABC∼△HJG C. △ABC∼△GJH D. △ABC∼△GHJ

1 year ago

△TUV is isosceles, with ∠T≅∠V and m∠U=54° . What is m∠T ? A. m∠T=126° B. m∠T=63° C. m∠T=36° D. m∠T=54°

1 year ago

△JRW has angle J measuring 47° and angle W measuring 15°. What is the measure of angle R? A. m∠R=47° B. m∠R=28° C. m∠R=118° D. m∠R=62°

1 year ago

What is sensory language? A. words that can have exact meanings B. words that are called out in bold type C. words that appeal to the senses D. words that are spoken by the characters

1 year ago

Which word is a more precise term for angry? A. terrified B. thrilled C. furious D. mad

1 year ago

Which statement correctly describes a property of sound waves? A. They require particles to transfer energy. B. They can travel through outer space. C. They have two kinds of movement. D. They are generated by movements in Earth’s crust.

1 year ago

Which type of wave is most affected by gravity from the Sun and the moon? A. sound B. seismic C. electromagnetic D. water

1 year ago

How are seismic waves and sound waves similar? A. They can cause vibrations or motions in the matter with which they interact. B. They are able to travel through a medium and through a vacuum. C. They can cause significant damage as part of earthquakes. D...

1 year ago

Which type of wave is used in sonar to detect objects? A. water B. sound C. electromagnetic D. seismic

1 year ago

What belief regarding Americans did many writers of the era hold? A. People only want to read about good things. B. Americans viewed life too seriously. C. Americans cared too much about money and fun. D. Americans were more sophisticated than Europeans.

1 year ago

Which of the following are examples of cultural trends during the 1920s? Select all that apply. A. the rise of jazz music B. daring fashions for women C. worship of opera singers D. African American literature

1 year ago

Only 2

1 year ago

Never mind, your previous answers were correct

1 year ago

Triangle ABC has vertices point A(−2,−2), point B(−4,−3), and point C(−2,−5). Find the coordinates of A′, B′, and C′ after a dilation with a scale factor of 3 and a center point of dilation at the origin. A′= (__) B′= (__) C′= (__)

1 year ago

Use the image to answer the question. An illustration shows an 11 by 9 grid with 4 triangles on it. Figure 1 is an obtuse triangle that extends from top of the 2nd to end of 5th rows, starting in the 4th and ending in the 5th columns. The perpendicular li...

1 year ago

just give me an answer

1 year ago

I'm guessing it's figure 3

1 year ago

Use the image to answer the question. An illustration shows a 15 by 12 grid with 4 triangles and a parallelogram on it. Figure 1 is an isosceles triangle in the 3rd to the 4th rows, 6th and 7th columns. The base is 2 units and the perpendicular height is...

1 year ago

Use the image to answer the question. A rectangle split into four separate and equal boxes shows four illustrations with corresponding labels as follows: Figure 1: chair; figure 2: tree; figure 3: nut; and figure 4: house. Which scale drawing is a dilatio...

1 year ago

If you would like to dilate a square with a side length of 8 units to create a square with a side length of 20 units, what scale factor should you use? Write your answer in decimal form.

1 year ago

You use scale factor of 34 to create a dilated circle with a radius of 9 inches. What is the radius of the original circle?

1 year ago

You use scale factor of 3/4 to create a dilated circle with a radius of 9 inches. What is the radius of the original circle?

1 year ago

Use the image to answer the question. An illustration shows two triangles, one big and one small. In the small triangle, one side measures 11.4 inches and another side measures 18 inches. In the big triangle, the side corresponding to 11.4 inches in the s...

1 year ago

△XYZ∼△RST. m∠X = 50°, m∠S = 79°. What is the measure of angle T?

1 year ago

Given △ABC∼△DEF, m∠A = 52°, and m∠E = 11°, what is the measure of angle C?

1 year ago

Given △PQR∼△LMN, m∠Q = 113°, and m∠R = 26°, what is the measure of angle N?

1 year ago

Line AB is on the coordinate plane and does not pass through the origin. Line AB is dilated with a scale factor of 3 and a center of dilation at the origin to create line A′B′ . Describe the effect of the dilation on line AB . In particular, make sure to...

1 year ago

Solve for x. −3(−4x−3)=−27 A. x=−2 B. x=2 C. x=3 D. x=−3

1 year ago

Solve for x: 2x−4x−3=−27. A. x=12 B. x=4 C. x=−12 D. x=−4

1 year ago

Solve for x: −4(3x+10)−2=54. A. x=4 B. x=−4 C. x=−8 D. x=8

1 year ago

Solve for x: 20x−5(6x+15)=−45. A. x=−2 B. x=2 C. x=3 D. x=−3

1 year ago

Solve for x: 10x+5=7x−16.

1 year ago

Bot, solve for x: 5x+2=3x−20.

1 year ago

Solve for x : 4x−3=3x−9 .(1 point) Responses x=−2 x equals negative 2 x=5 x equals 5 x=−6 x equals negative 6 x=7 x equals 7

1 year ago

there is no six, only negative six

1 year ago

Solve for x : 3x−3=6x+18 .(1 point) Responses x=9 x equals 9 x=−6 x equals negative 6 x=−7 x equals negative 7 x=2

1 year ago

Solve for x : 4x+8=3x−10 .(1 point) Responses x=−18 x equals negative 18 x=3 x equals 3 x=−10 x equals negative 10 x=−8

1 year ago

Solve for x : 13x+26=3x−34 .(1 point) Responses x=3 x equals 3 x=−6 x equals negative 6 x=18 x equals 18 x=−9

1 year ago

Science fiction movies sometimes take place in space and contain scenes where things explode very loudly and brightly. Why is this unrealistic?(1 point) Responses Large explosions are more likely to create seismic waves, not sound and light. Large explosi...

1 year ago

Use the image of the electromagnetic spectrum to answer the question. The illustration describes the different wavelengths in decreasing order and the frequency in increasing order from left to right. The radiations shown are as follows: the radio waves (...

1 year ago

Waves have energy that causes particles in matter to vibrate. So, it stands to reason that(1 point) Responses the higher the energy, the faster the particles vibrate (which means a higher frequency). the higher the energy, the faster the particles vibrate...

1 year ago

Which property causes a pencil to appear bent or broken when it is placed in a glass partially filled with water? A. Normal B. Reflection C. Absorption D. Refraction

1 year ago

Why is it often colder on cloudy summer days? A. More sunlight is reflected than transmitted by the dark lower layers of clouds. B. More sunlight is reflected than transmitted by the white upper surface of clouds. C. More sunlight is transmitted than refl...

1 year ago

What happens to light as it passes through a blue sports drink? A. All colors are refracted by the drink except for blue, which is reflected through the drink. B. All colors are absorbed by the drink except for blue, which is transmitted through the drink...

1 year ago

What is a theme? A. a general idea of what has happened in a story B. the explicit ideas an author shares in a story C. the turning point in a story D. a message or lesson in a story

1 year ago

How can the main idea of a text help a reader identify the theme? A. By inferring the main idea of a text, a reader will understand what will happen next in the text. B. By identifying the main idea of a text, a reader will find the explicit statement tha...

1 year ago

Use the paragraph to answer the question. Marcus was always boasting about his ability to play the piano. “I’m the best there is!” he’d insist. However, when his music teacher finally insisted that Marcus take a seat on the piano bench and show off his ab...

1 year ago

In which of the following ways did the 1920s wealth gap contribute to the start of the Great Depression? A. The wealth gap led to a decline in stock investment during the 1920s. B. A concentration of wealth led to less spending across the economy. C. Many...

1 year ago

”We took away their best lands; broke treaties, promises; tossed them the most nearly worthless scraps of a continent that had once been wholly theirs. But we did not liquidate their spirit. The vital spark which kept them alive was hardy." --John Collier...

1 year ago

Among the first laws passed by FDR was the Truth-in-Securities Act. How did it support his New Deal goals? A. The law’s purpose was to make sure farmers’ investments were safe. B. The law’s goal was to prevent another economic crash. C. The law was focuse...

1 year ago

Which action is often viewed as the most serious attempt to undermine the independence of the judiciary? A. President Franklin D. Roosevelt’s plan to reorganize the Supreme Court B. appointment of Supreme Court justices to unlimited terms of office C. per...

1 year ago

They used to tell me I was building a dream, and so I followed the mob, When there was earth to plow, or guns to bear, I was always there right on the job. They used to tell me I was building a dream, with peace and glory ahead, Why should I be standing i...

1 year ago