Questions by Ewanw

Questions by Ewanw

W is the set of all vectors in R^2 whose second component is the square of the first. W is not a subspace of R^2. Verify this by giving a specific example that violates the test for a vector subspace.

asked Sep 15, 2024

1 answer

4 votes

98.6k views

Is -1.8 greater or least than -1/8

asked Aug 22, 2024

2 answers

0 votes

92.4k views

Bob Jensen incorporated purchased a $600,000 machine to manufacture specialty taps for electrical equipment. Jensen expects to sell all it can manufacture in the next 10 years. The machine is expectto

asked Jul 27, 2024

1 answer

5 votes

135k views

Practice it! Total points: 0/10 Attempts left: 3 Listen to the questions about your friends who went to a restaurant yesterday, and answer them by writing the correct preterite form of the word or phrase

asked Jul 10, 2024

1 answer

0 votes

7.5k views

Victoria spins a spinner 500 times.

asked Jun 12, 2024

1 answer

4 votes

54.0k views

Other things being equal, a rise in the price level will A) Increase the value of money. B) Decrease the purchasing power of money. C) Stabilize the value of money. D) Increase the purchasing power of

asked Apr 26, 2024

1 answer

5 votes

150k views

What about powders can be abrasive to spray nozzles. true or false

asked Apr 21, 2024

1 answer

3 votes

153k views

When the phase of the Moon is gibbous A. The Moon is closer to Full Moon than to New Moon. B. The Moon is closer to New Moon than to Full Moon. C. More than half of the visible face of the Moon is illuminated.

asked Mar 21, 2024

1 answer

5 votes

127k views

Represent the following expressions as a power of the number a (a≠0): (a⁻¹ x a⁻²)⁻³ a) a⁹ b) a⁻⁹ c) a⁻⁶ d) a⁶

asked Feb 16, 2024

1 answer

4 votes

158k views

What territories did japan acquire in the 1750 to 1900 time period?

asked Jan 19, 2024

1 answer

4 votes

142k views

A store finds that 65% of its customers pay with a credit card. If 3 customers check out, find the probability that all three of them use credit cards. (Give your answer in the form of a decimal, to at

asked Apr 11, 2023

1 answer

4 votes

100k views

Show all work, Solve p=cs/d for c

asked Jan 24, 2023

1 answer

2 votes

159k views

Help me find the volume (picture)

asked Dec 27, 2022

2 answers

5 votes

34.5k views

Find the domain and range of y= root x+3

asked Dec 21, 2022

1 answer

5 votes

37.6k views

Social Security provides income to retired, unemployed, and disabled workers. Benefits are based on how long a worker was employed. The comments below are from a discussion between two speakers with different

asked Dec 18, 2022

1 answer

0 votes

14.1k views

Solve the equation for x. 1 2 x − 6 = 8 A) x = −7 B) x = −7 C) x = 14 D) x = 28

asked Sep 20, 2022

1 answer

1 vote

76.0k views

Is comparing an opinion?

asked Aug 20, 2022

2 answers

1 vote

183k views

A ball is dropped from a height of 180 meters. The height of the ball can be represented by -5t2 + 180, in meters, when t represents the time in seconds since the ball was dropped. Which expression represents

asked May 27, 2022

1 answer

5 votes

141k views

what is the focalength of the combination of two thin renses of power -5D and -2D placeci in contact with each other?

asked Apr 13, 2022

1 answer

1 vote

210k views

The length of a rectangle is 2 units more than the width. The area of the rectangle is 35 units. What is the width, in units, of the rectangle?

asked Jan 16, 2022

1 answer

1 vote

122k views

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