Questions by Boris Kirzner

Questions by Boris Kirzner

How many solutions does this system have 2y=10x-14and 5x-y=7

asked Dec 26, 2021

1 answer

5 votes

18.2k views

The ratio of money in Obi's wallet to Rudy's wallet one day was 5:2. Obi spent £20 that day. Obi now had £8 less than Rudy. How much did they have initially altogether?

asked Dec 3, 2021

1 answer

3 votes

99.5k views

Which passage is narrated using a first-person point of view? Ling couldn’t believe her friends had planned a surprise party for her birthday. “I never suspected a thing!” she said with a grin. “I have

asked Nov 21, 2021

1 answer

1 vote

31.3k views

You are at a railroad crossing waiting for a freight train traveling at a speed of 22.8 m/s to pass by. The frequency of the train's horn is 325 Hz. (Use 343 m/s as the speed of sound.) (a) Determine the

asked Sep 26, 2021

1 answer

4 votes

138k views

A scientist was collecting data about the number of chromosomes that a certain organism had. He found that most of the skin cells that he examined had a certain amount of chromosomal material, but he found

asked Jun 3, 2021

1 answer

5 votes

189k views

F(x)=x^2 what is g(x)

asked May 19, 2021

1 answer

5 votes

155k views

6) Use the distributive property to expand the following expression: 4(6 + x)

asked Mar 14, 2021

1 answer

1 vote

103k views

What are the measures of angle A and angle B when angle A is half as large as its complement, angle b?

asked Dec 7, 2020

1 answer

2 votes

136k views

What and where is Mesoamerica?

asked Aug 15, 2020

2 answers

1 vote

59.5k views

Leo's bank balances at the end of months 1, 2, and 3 are $1,400.00, $1,428.00, and $1,456.56, respectively. The balances form a geometric sequence. What will Leo's balance be after 8 months?

asked Feb 16, 2020

1 answer

5 votes

94.6k views

The annealing temperature varies greatly between different PCRs. Explain why this is so.

asked Jan 19, 2020

1 answer

3 votes

161k views

Solve by graphing 2x+y=-4

asked Nov 8, 2019

1 answer

5 votes

83.4k views

Please help posted picture of question

asked Oct 9, 2019

1 answer

0 votes

7.2k views

Find the sum of -3/4 and 5/8

asked Jul 24, 2019

2 answers

5 votes

66.2k views

A chemical reaction has two elements as reactants. Which type of reaction might occur?

asked May 8, 2019

2 answers

0 votes

146k views

You sell sunglasses that come in small and large boxes. the small box has one layer of sunglasses. the large box has five layers, each of which has two fewer pairs of sunglasses than a layer in the small

asked Jun 21, 2018

1 answer

1 vote

175k views

Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree. a = 6, c = 11, B = 109° A. b = 14.1, A = 24°, C = 47° B. b = 19.9, A = 22°, C = 49° C. b = 17, A = 26°,

asked Mar 1, 2018

2 answers

5 votes

162k views

. What is one reason that matter is able to move around within the Earth?

asked Nov 14, 2017

1 answer

3 votes

55.9k views

Which statement best explains how the idea of Manifest Destiny lead to the Mexican-American War? Mexico was a barrier to achieving what many believed was America’s destiny to expand to the Pacific. Mexico

asked Apr 3, 2017

2 answers

4 votes

230k views

All these led to or increased tension in Massachusetts EXCEPT (A) the Tea Act (B) martial law (C) the Boston Massacre (D) the Second Continental Congress

asked Jan 14, 2016

1 answer

0 votes

233k views

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