Questions by Sergey Zhigalov

Questions by Sergey Zhigalov

A 25.0 g block of copper (specific heat capacity 0.380 J/g･ °C) at 61.0 °C is placed into 500.0 g of water initially at 20.0 °C. What is the change in temperature (in °C) of the copper block

asked Nov 22, 2024

1 answer

2 votes

229k views

Multiple Select Question Select all that apply Which roles does vitamin D play in the body?

asked Nov 10, 2024

1 answer

3 votes

140k views

The coordinates of the vertices of a rectangle are given by R(- 3, - 4), E(- 3, 4), C (4, 4), and T (4, - 4). Use the Pythagorean Theorem to find the exact length of ET. a) √130 b) √68 c) √72 d) √80

asked Nov 5, 2024

1 answer

4 votes

145k views

1/5 + 1/5 + 2/5 = A. 4/15 B. 3/5 C. 1/5 D. 2/5 E. None of these

asked Jul 25, 2024

1 answer

2 votes

146k views

Owen has 20 mints. He wants to give the same number to each of his 6 friends. How many will each friend get?

asked Jul 20, 2024

1 answer

4 votes

70.1k views

Smith Paints allocates overhead based on machine hours. Selected data for the most recent year follow. Overhead Rate per hour: $12.70 Estimated machine hours: 20,010 Actual machine hours: 20,649 The amount

asked Jul 19, 2024

1 answer

5 votes

38.2k views

A base is a substance that yields _____ when dissolved in water. Ammonia (NH₃) is also a base because when it is put into water _____

asked Jul 18, 2024

1 answer

4 votes

194k views

Cite Text Evidence What is the central idea of the essay? Consider the important details the writer conveys about rock arches in the text. Review your reading notes, and cite text evidence in your response.

asked Mar 16, 2024

1 answer

4 votes

163k views

How teacher must adapt arts based center for different age levels from toddlers to fourth

asked Jul 14, 2023

1 answer

4 votes

211 views

Which equation represents this number sentence? The quotient of 7 and a number is 10 less than 3 times the number 7/n=3(n-10) 7/n =10-3n N/7=10-3n 7/n3n-10

asked May 15, 2023

2 answers

12 votes

85.0k views

Which trait can be passed from one generation to the next by genes

asked Apr 21, 2023

2 answers

2 votes

86.3k views

Hello! I need some help. Have a blessed day!

asked Nov 15, 2022

2 answers

19 votes

51.4k views

Hello! I need some help. Have a blessed day!

asked Nov 15, 2022

2 answers

19 votes

51.4k views

Hello! I need some help. Have a blessed day!

asked Nov 15, 2022

2 answers

19 votes

51.4k views

HELP ME OUT PLEASE!!

asked Oct 7, 2022

2 answers

3 votes

118k views

Given that the triangles are similar find the scale factor of ABC to ACD and the value of X. SCALE FACTOR ABE TO ACD

asked Sep 13, 2022

1 answer

2 votes

72.9k views

Evaluate 3a + 24 ÷ 2 + 2(3 + 7), if a = 2.

asked Jul 24, 2022

2 answers

3 votes

220k views

Find the volume of this triangular prism. 25 cm 10 cm 10 cm

asked Jul 11, 2022

1 answer

3 votes

130k views

What is an aquifer?A.An aquifer is an above-ground layer of impermeable rock that holds water underground under pressure,causing geysers.B.An aquifer is an above-ground layer of permeable rock that holds

asked May 28, 2022

1 answer

19 votes

72.2k views

Name and explain Two laws that protect citizens against the xenophobia

asked Jan 11, 2022

1 answer

5 votes

32.1k views

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