Recent activity by Raul Guarini Riva

Recent activity by Raul Guarini Riva

how many liters of each of a 15% acid solution and a 25% acid solution must be used to produce 80 liters of a 20% acid solution?

asked Oct 23, 2023

1 answer 219k views

What is modification of roots?

asked Oct 22, 2023

1 answer 529k views

It's no small feat to travel 160,000,000km, to visit 200 million children, in 800 million homes, in only 34 hours... Luckily Santa has magic on his side. If he visits 200,000,000 children in 34 hours,

answered Jun 27, 2023

1 answer 286k views

Cells can adapt to heat stress due to a hot environment by the production of heat shock proteins. the resulting improvement in the body's ability to withstand the stress is called _____.

answered Jun 15, 2023

1 answer 517k views

Please help me its in math

answered May 7, 2023

2 answers 5.1k views

Why do corporations pay attention to what is happening to their stock in the secondary market

answered Apr 15, 2023

1 answer 314k views

What gene or chromosome is affected by down syndrome.

answered Mar 25, 2023

2 answers 79.0k views

The answer to (x+5) (x+4)

answered Feb 17, 2023

1 answer 79.1k views

Please help I don't understand!

asked Feb 9, 2023

1 answer 134k views

What is 143x 69 PLS ANSWER ASAP

answered Jan 15, 2023

1 answer 32.6k views

Which labeled city is about 170 miles southwest of Tashkent?

answered Oct 26, 2022

2 answers 445k views

Solve and show how pls

asked Oct 16, 2022

1 answer 263k views

Describes vitamin D levels and problems

answered Oct 16, 2022

2 answers 50.6k views

What is one advantage the Union had over the South

asked Jul 9, 2022

1 answer 468k views

Simplify 6/18 pls help thx

asked Jun 10, 2022

2 answers 13.8k views

12 out of 20 students prefer having a study hall. What percentage of students prefer study hall?

answered Feb 10, 2022

1 answer 145k views

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