Questions by Duncan Krebs

Questions by Duncan Krebs

The melting point of nitrogen is -210 °C. The melting point of magnesium is 650 °C. What is the difference in melting points of the two elements?

asked Dec 16, 2023

1 answer

2 votes

184k views

Given the functions a(x) = 3x - 12 and b(x) = x-9, solve a[b(x)]. Oa[b(x)] = 3x²-21 O a[b(x)] = 3x² - 39 Oa[b(x)] = 3x - 21 Oa[b(x)] = 3x - 39

asked Nov 10, 2023

1 answer

5 votes

9.9k views

Sarah has a collection of 46 dimes and quarters in her piggy bank. If the total value of the coins is $7.90, how many dimes does she have?

asked Nov 8, 2023

1 answer

23 votes

139k views

Pls help! Geometry What is the total cost of material for bunny costumes?

asked Jun 20, 2023

1 answer

24 votes

200k views

Which features are true of seacucumbers?A. use the water vascular system to move on the seafloor and suction to mollusks to feed onB. have leathery skin, least like the other organisms in the phyla, longlanky

asked May 4, 2023

1 answer

5 votes

48.2k views

assume a gasoline price of $4.27 per gallon. What is the gasoline cost for a 2100 mile trip if you drive at an average speed of 65 miles per hour?

asked Apr 27, 2023

1 answer

5 votes

138k views

Examples of ways people shape the world they live in

asked Sep 24, 2022

2 answers

5 votes

16.6k views

Plz help me find this answer for number 9 and number 10 offering 20 points for a answer !!

asked Sep 21, 2022

1 answer

5 votes

209k views

¿Cuántos años prevaleció la presencia musulmana en España? a. 500 años c. 700 años b. 600 años d. 800 años

asked Jun 26, 2022

2 answers

5 votes

173k views

If you left $25.00 on your table for a $21.50 meal, what was the percent of the tip? A.15.0% B.14.0% C.18.4 D.16.3

asked Jun 7, 2022

1 answer

3 votes

197k views

What is nitrogen cycle and, what things need the nitrogen cycle and why is it important? (i need help)

asked May 7, 2022

1 answer

3 votes

78.1k views

A rectangle has a width of 9 inches and a length of 15 inches. If the rectangle is enlarged by a scale factor of 3/2, what is the perimeter of the dilated rectangle

asked Feb 15, 2022

2 answers

5 votes

83.0k views

What term describes research that is designed to increase the scientific knowledge base?

asked Jan 24, 2022

1 answer

13 votes

76.6k views

Please help me solve, the question is In the picture thank you, Jesus loves you all.

asked Dec 4, 2021

1 answer

5 votes

9.8k views

For any physiological system to improve it must be systematically made to perform more work than it is ________.

asked Sep 25, 2021

1 answer

1 vote

215k views

Carys is checking her tax bill for the last year

asked Sep 18, 2021

1 answer

1 vote

135k views

Which number is an irrational number? o 2 0 - 3 02.56 O 16

asked Aug 22, 2021

1 answer

2 votes

168k views

Does anyone know the card effects in duel monsters in Yu-Gi-Oh I don't understand trigger quick ignition or even Contentious effect cause someone please explain these effects to me and give me a example

asked Jul 11, 2021

1 answer

0 votes

108k views

Can someone explain what f(12) means?

asked Mar 11, 2021

1 answer

2 votes

176k views

Psychological researcher Walter Mischel gave preschoolers a choice between one marshmallow now or two marshmallows when he returned a few minutes later. Children who chose to wait for two marshmallows

asked Feb 19, 2021

1 answer

0 votes

202k views

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