Recent activity by QingYun

Recent activity by QingYun

Need help with these math problems

answered Dec 24, 2023

1 answer 116k views

The specific heat capacity of water is 4000 J/kg°C. How much heat will be required toraise the temperature of 7 kg of water from 7°C to 17°C?Express your answer in J.

answered Nov 14, 2023

1 answer 462k views

How did the French respond in the 1700s when British settlers and speculators from Pennsylvania and V1rginia began entering the Ohio country and trading with Native Americans there? a. They declared war

asked Nov 12, 2023

1 answer 289k views

Question 2(Multiple Choice Worth 2 points) (Factoring Algebraic Expressions MC) Rewrite 1/6x³y + 5/6xy² using a common factor. xy(x² +5y) xy(3x² +15y) xy(x² +5y) x³y²(y+5x)

answered Aug 31, 2023

1 answer 209k views

1 . A right triangle has side lengths 3 cm, 4 cm, and 5 cm. a) Draw the triangle. b) A similar triangle has hypotenuse 30 cm long. What is the scale factor? c) What are the lengths of the legs?

answered Jul 13, 2023

1 answer 258k views

out of a group of zebras 6/5 times the square root of the number of zebras are playing on the shore of the tank remaining six are quarrelling in the water calculate the total number of zebras

asked Jun 16, 2023

1 answer 7.3k views

Any four importance of population management

asked Mar 17, 2023

1 answer 508k views

Identify the slope in the equation 20x - 10y = 60.

answered Feb 23, 2023

1 answer 315k views

Calculate the velocity of a car that travels 556 km northeast in 2. 4 hrs.

asked Feb 16, 2023

1 answer 267k views

Is 12/0 a rational or irrational number

asked Aug 23, 2022

1 answer 401k views

Do you believe in the saying, “There is cash in trash (May pera sa basura)?” Why or why not? English Please.

answered Jul 29, 2022

1 answer 475k views

Find the sum of the first 274 natural numbers.

answered May 17, 2022

1 answer 349k views

I need help in this, help please.

answered May 8, 2022

1 answer 90.2k views

A democracy is a sytem of government run by

answered Mar 15, 2022

2 answers 140k views

What can be used as a symbol in a story

answered Feb 8, 2022

2 answers 66.7k views

What is the minimum y value of the graph above? А: -6 B: 0 C: 6. D: 19

answered Jan 10, 2022

1 answer 373k views

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