Recent activity by PKirby

Recent activity by PKirby

How many moles of oxygen are needed to produce 3.0 moles of water

asked Dec 23, 2024

1 answer 94.8k views

Elephants have thick, folded skin around their knees for flexibility, but they don't have wrinkled knees in the human sense. A. True B. False

asked Aug 8, 2024

1 answer 197k views

Which of the parabolas has a maximum? (1) y = 8x² + 6x + 6 (2) y = -2x² + 6x - 6 (3) y = 2x² - 6x + 6 (4) y = 6x² - 6x-6

asked Mar 25, 2024

1 answer 158k views

An electron is moving in the xy plane at time t. A magnetic field B=0.200T in the z direction exerts a force on the electron equal to F=5.50×10 −18 N in the y direction. a) The electron is stationary b)

answered Feb 8, 2024

1 answer 23.4k views

Evaluate the expression when a=-2 and y=7. 8y-a

answered Dec 27, 2023

2 answers 36.9k views

Simplify -4(x - 7) + (x + 14)

answered Oct 2, 2023

1 answer 42.3k views

Alexandra has a bag of stickers, 1/4 are red, 1/3 are black, 1/8 are green, and 1/12 are yellow. She picks a sticker without looking. What color is she MOST likely to choose?

answered Sep 19, 2023

1 answer 225k views

- 5x - 5 = 3x + 19 what would X be?

answered Sep 13, 2023

2 answers 23.7k views

What is the abstract expressionism style of painting?.

answered Jun 22, 2023

1 answer 85.7k views

1/7a + 1/7 = ? YALL HELP I LOST MY NOTES

answered Jun 7, 2023

2 answers 125k views

In the diagram, if ⊥l⊥m, which statement is NOT correct?

answered Mar 26, 2023

1 answer 100k views

Need the value of X. Thank you!

asked Mar 26, 2023

1 answer 28.7k views

Please help me!! 8th grade math, Pythagorean Theorem 19 pts!

answered Dec 10, 2022

1 answer 51.9k views

What is meant by the "induced fit” of an enzyme?

answered Nov 22, 2022

2 answers 19.7k views

PLEEEAASSEE help ASAP 15 points! The election of Abraham Lincoln led Southern states to secede because: They hoped most northern states would secede with them. They claimed that John Breckinridge had actually

asked Nov 8, 2022

1 answer 78.7k views

The high heat capacity of water causes what effect when combined with ocean circulation?

answered Aug 1, 2022

2 answers 106k views

Lonic bonds DO NOT share electrons. A:True B:False

answered Jul 29, 2022

1 answer 109k views

Lonic bonds DO NOT share electrons. A:True B:False

answered Jul 29, 2022

1 answer 109k views

Lonic bonds DO NOT share electrons. A:True B:False

answered Jul 29, 2022

1 answer 109k views

Write the expression 4^4(4^-7)(4) using a single exponent. 4^-28 4^-4 4^-3 4^-2

asked Jul 25, 2022

1 answer 155k views

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