Recent activity by Pptang

Recent activity by Pptang

An electric heater 1kw 240v is used to raise the temperature of a 5kg copper block from 15 degrees to 33 degrees .if the specific heat capacity of copper is 400kg per kelvin and assuming no heat is lost

asked Dec 19, 2023

1 answer 103k views

Which expression is equivalent to (2x + 7x*) - (5x² - 4x)? A –3x²+11 B –3x²+3 2x + 11x3 - 5x2 2x5 - 3x) - 5x

asked Oct 2, 2023

1 answer 22.3k views

- 4≤2w + 2 and 3w+1 <4

answered Aug 30, 2023

1 answer 19.9k views

A doctor's office schedules appointments in 30-minute time slots. All appointments are 30 minutes long. The office is open 8 hours per day, 5 days a week. How many appointments can they schedule, in total,

asked Jul 28, 2023

1 answer 98.6k views

A verb that has a noun or pronoun as the receiver of its action

asked Jul 20, 2023

2 answers 50.8k views

3h - 2(4h - 5) = 10 - 5h A 0 B 4 C infinity many solutions D no solutions

asked Jul 8, 2023

1 answer 85.7k views

Find the value of y. (7x-7) 63 (3x + 45) (-6)

asked Jul 5, 2023

2 answers 110k views

Who was the first President? A. John F. Kennedy B. Elon Musk C. George Washington D. Leonardo Da Vinci E. Other, write In bold text below ________________________

answered Jun 14, 2023

2 answers 38.4k views

Danica has x dollars. Gregg has 3 times the amount Danica has. Which expression represents the amount of money Gregg has?

asked Jan 13, 2023

1 answer 111k views

How does carbon dioxide pass through the stomata of a leaf?

answered Jan 3, 2023

2 answers 221k views

(X-5)(X+6) Expand and simplify

answered Dec 24, 2022

2 answers 178k views

In economics what goods and services will be produced?

answered Dec 13, 2022

1 answer 196k views

Short breifing of foreign policy in the 1900s

asked Nov 27, 2022

1 answer 172k views

In UVW, u = 190 cm, v = 380 cm and w=560 cm. Find the measure of ZW to the nearest 10th of a degree

answered Oct 29, 2022

2 answers 133k views

10.00 cL = mL what is the answer

asked Oct 26, 2022

2 answers 216k views

Aaaaaaaaaaaaaaaaaa pls help

asked Oct 16, 2022

1 answer 54.4k views

What feelings does the poet convey

answered Oct 6, 2022

1 answer 142k views

Find the Factor expression 12x + 18 using the GCF.

answered Sep 20, 2022

1 answer 98.9k views

À la banque There is a long line at the bank, so Marion has plenty of time to see what is going on around her. Fill in the blanks with the appropriate words and expressions. Make all the necessary changes

answered Jul 25, 2022

1 answer 186k views

Last week, the price of gas was $2.25 per gallon. This week, the price of gas has increased by 4%. What is the price of gas this week? G

asked May 17, 2022

1 answer 135k views

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