Recent activity by Helmer Barcos

Recent activity by Helmer Barcos

Which structure in the female reproductive system produces chemicals that regulate the reproductive cycle?

answered Dec 16, 2023

1 answer 60.4k views

What explains the fact that cells are able to differentiate into adult cells with different structures and functions?

asked Oct 20, 2023

1 answer 51.6k views

What is the solution to the equation? 3(x+9)^3/4 = 24 A. -3 B. 6 C. 7 D. 25

answered Sep 17, 2023

1 answer 1.2k views

2. Luis hizo una excursión de 20 km 75 hm 75 dam 250 m en tres etapas. En la primera recorrió 5 km 5 hm, y en la segunda 1 km 50 dam más que en la anterior. ¿Cuánto recorrió en la tercera etapa? Expresa

asked Sep 4, 2023

1 answer 203k views

What was Marcus Garvey's United Negro Improvement Association (UNIA) best known for doing? A. Protesting for voting rights for members of the African American community O B. Electing African American candidates

answered Aug 3, 2023

1 answer 135k views

Question 1 history homework.

asked Jul 17, 2023

2 answers 62.7k views

3x3x3 Write the expression using exponents.

asked May 7, 2023

1 answer 110k views

What function is the inverse of the exponential function y = 4x?

asked Apr 24, 2023

1 answer 231k views

What is the most bizzare or astonishing thing that you know about History?

answered Mar 21, 2023

1 answer 156k views

Need help with geometry please !

asked Jan 9, 2023

1 answer 34.9k views

HELPPPPP MEEEEE find m

asked Oct 12, 2022

1 answer 168k views

Diagram the lettered blanks with this sentence: Lying lips are an abomination to the lord but they that deal truly are his delight

asked Sep 8, 2022

2 answers 112k views

( 23 pts )Please answer this math question.

asked Aug 27, 2022

1 answer 87.2k views

Calculate the force needed to accelerate a baseball with a mass of 0.45 kg to a rate of 175 m/s2. * 78.8 N 0.04 N 85 N 0.39 N

answered Jul 31, 2022

1 answer 66.0k views

Which set of sides will make a triangle? 1 cm, 3 cm, Icm 10 cm, 5 cm, 9 cm 5 cm, 2 cm, 3 cm 10 cm, 3 cm, 4 cm

answered Jul 23, 2022

1 answer 65.5k views

Question 10 of 10 A triangle has two sides of lengths 4 and 7. What value could the length of the third side be? Check all that apply. DA. 11 ✓ B. 7 C. 3 DD. 5 DE. 17 DE 9 SUBMIT

answered Jun 22, 2022

1 answer 13.1k views

A child’s bike containing 5.25 kg of iron rusts according to the thermochemical equation shown here: 4Fe + 3O2 --> 2Fe2O3, Delta H = -1648 kJ How many kJ of heat will be produced if all of the iron is

answered Apr 29, 2022

1 answer 190k views

A company must decide between scrapping or reworking units that do not pass inspection. The company has 22,000 defective units that cost $6 per unit to manufacture. The units can be sold as is for $2.00

answered Apr 26, 2022

2 answers 109k views

Why fashion is important to people? (3 reasons)

asked Apr 10, 2022

1 answer 185k views

A closed tank contains pure nitrogen gas at a pressure of 855 mmHg and a temperature of 26.3 °C. What would the pressure be if the tank were heated to 1253 °C? (pay attention to units)

answered Mar 23, 2022

1 answer 55.1k views

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