Recent activity by Ralle Mc Black

Recent activity by Ralle Mc Black

Testing for pH levels can be useful in a variety of ways. Healthcare professionals may use pH tests on saliva or urine samples to help diagnose disorders. pH tests are also performed in the home on water

answered Dec 21, 2023

2 answers 172k views

A blacksmith heated a metal whose cubic expansivity is 6.3×10^-6K^-1.The area expansivity is?

answered Dec 20, 2023

1 answer 47.9k views

What is artificial selection? This is called artificial selection via selective breeding. SCIENCE

asked Oct 18, 2023

1 answer 57.4k views

3. Round off to the nearest hundredth (2 decimal places). a) 3.752 = b) 0.506 = c) 3.966 = d) 1.838 = e) 30.063 = f) 404.759 = 1 g) Round off 82.748 to the nearest hundredth h) Round off 3.175 to two decimal

answered Jun 22, 2023

1 answer 137k views

Why is Alfonso able to go out with Sandra in the end? O His bike is fixed. O They ride Sandra's bike. O Ernie lends his bike. O Alfonso buys a new chain.

answered Jun 16, 2023

1 answer 5.3k views

PleAse help me with this

answered May 12, 2023

1 answer 89.7k views

What is 77+33 w e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e

asked May 7, 2023

2 answers 70.6k views

2. How many grams are in 7.46 x 10^22 molecules of nitrogen trihydride?

answered Apr 12, 2023

1 answer 195k views

Daisy has a pitcher that can hold 1000 milliliters. If one cup is approximately 236 milliliters, about how many cups would be needed to fill the pitcher? A. 3.8 cups C. 5.7 cups B. 4.2 cups D. 9.3 cups

asked Dec 27, 2022

1 answer 179k views

The bill at a restaurant is $160. You leave a 20% tip. What is your total restaurant bill, including the tip? 20 points!

asked Dec 15, 2022

2 answers 183k views

2. Which elements influenced reality television in the late 20th century? (Select all correct answers.) cinéma verité advancements in filmmaking technology hidden camera variety shows sitcoms

answered Dec 5, 2022

2 answers 101k views

A stick is x meters long. a string is 4 times as long as the stick. Express the length of the string in terms of x

asked Nov 16, 2022

2 answers 80.6k views

Gateway Arch (in Missouri) When did the Gateway Arch start and end building? Why did they build the Gateway Arch? How old is the Gateway Arch?

asked Oct 13, 2022

2 answers 89.5k views

Answer asap please??

asked Sep 8, 2022

1 answer 55.2k views

Write an expository essay on the first aid.

asked Aug 23, 2022

1 answer 71.0k views

Find the quotient of 1 1/4 and 3 1/2 express your answer in simplest form

answered Aug 18, 2022

2 answers 70.5k views

Alexis has $115 and he is earning $50 per week at his summer job. Eduardo has $130 and is earning $40 per week at his summer job. Which system of equations could be used to determine how many weeks they

answered Aug 10, 2022

2 answers 124k views

Translate You talked with her one time into Spanish by filling in the missing letters: answer: Tú hablaste con ella una vez.

asked Jul 23, 2022

1 answer 123k views

Evelina is shopping for back-to-school clothes. She bought 3 skirts, 2 pairs of jeans, and 4 sweaters. Write and evaluate an expression to find out how much she spent.

asked May 22, 2022

1 answer 109k views

How do i factor this 3x-6

answered Mar 15, 2022

1 answer 216k views

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