Questions by Rpr

Questions by Rpr

Determine the value of the variable in the simplified expressions What is the value of x in this simplified expression? (-3)? (-3)* X What is the value of y in this simplified expression? 1 K+m -10 + 1

asked Jun 5, 2023

1 answer

13 votes

187k views

30.0 grams of magnesium is reacted wiyh 30.0 g of oxygen what mass of magnesium oxide is produced by the reaction Plsss with explanation

asked May 23, 2023

1 answer

1 vote

101k views

Need help ASAP work out the value of 4y + 3x when x=5 and y=-3 ( these are the only answers I can choose from) A.32 B.-32 C.17 D.11 All support appreciated:)

asked Oct 6, 2022

1 answer

5 votes

34.0k views

Solve the equation 2x²-x-8=0

asked Sep 28, 2022

2 answers

5 votes

219k views

Leo’s dad brought home some bagels and muffins. Each bagel cost $0.90 and each muffin cost $0.80. Altogether he brought home 9 items for a total cost of $7.60.

asked Jul 27, 2022

1 answer

3 votes

62.1k views

1. Find the equivalent fraction of 3/4 a. 6/8 b. 6/12 c. 9/8 2. Solve 2 - 3/5 a. 1/5 b. 10/5 c. 7/5 3. 4 + 7/8 a. 39/8 b. 32/8 c. 11/8 4. 3/5 + 2/7 a. 7/35 b. 31/35 c. 5/35 5. 9/11 - 4/15 a. 5/4 b. 5/165

asked Jun 1, 2022

1 answer

3 votes

101k views

HELPPPPPPPPPPPPPPP!!!!

asked Apr 6, 2022

1 answer

0 votes

191k views

What is the perimeter of a rectangle which measures 300m long and 78m 60 cm wide?

asked Feb 2, 2022

1 answer

12 votes

211k views

Comparing the structures of the carotenes to the chlorophylls, which (the carotenes or the chlorophylls) are more polar? Which (the carotenes or the chlorophylls) should you expect to elute off your column

asked Nov 24, 2021

1 answer

4 votes

5.8k views

A cylindrical rod of stainless steel is insulated on its exterior surface except for the ends. The stead-state temperature distribution is T(x) = a - bx/L, where a = 305 K and b = 10 K. The diameter and

asked Mar 14, 2021

1 answer

1 vote

76.9k views

LAST QUESTION I NEED HELP WITH!!! THANKS<3 A radioactive substance decays at a rate of 2% per day. If there are 50 grams of the substance left after 34 days, how much was there at the beginning of the 34 days? Round to two decimal places.

asked Feb 17, 2021

1 answer

4 votes

39.9k views

Sara is a teenager attending junior high school in Washington, D.C. Sara attends a school where all her teachers have high expectations for student conduct. If Sara is typical of students in research conducted

asked Feb 6, 2021

1 answer

1 vote

26.5k views

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