Recent activity by Joao Delgado

Question

Describe how you would obtain pure crystals of sodium chloride from a mixture of solid sodium chloride and solid zinc carbonate

answered Nov 21, 2024

1 answer 89.6k views

Why do ESG issues receive insufficient consideration in investment cases?

asked Sep 13, 2024

1 answer 173k views

The radical republicans left a lasting constitutional legacy in the 13th, 14th, and 15th amendments to the constitution. they were known as the __________- amendments.

answered Aug 31, 2024

1 answer 178k views

Find the value of k for which the matrix A=[(7,4,6),(6,-3,18),()3,2,k)] has rank 2. k=___

asked Aug 23, 2024

1 answer 106k views

What motivation did Orthodox Christians have for accepting Ottoman rule? a) Desire for cultural assimilation and religious conversions. b) Economic stability and improved trade opportunities. c) Preservation

asked Aug 2, 2024

1 answer 82.7k views

___ nerve responsible for tear secretion through the lacrimal gland. (a) Facial (b) Optic nerve (c) Trigeminal nerve (d) Vestibulocochlear nerve

answered Jun 10, 2024

1 answer 141k views

If a trackman discovers a fire at one end of a station platform and telephones the information to the trainmaster, he need NOT give? 1) The location of the fire 2) The time of the fire 3) The size of the

asked Jun 2, 2024

1 answer 126k views

Which of the following examples illustrates how the past helps us make sense of the present or future? A. Josephine loves studying the Civil War because it is the only war America officially fought against

asked May 7, 2024

1 answer 111k views

In a standard Normal distribution, if the area to the left of a z-score is about 0.5500, what is the approximate z-score? Draw a sketch of the Normal curve, showing the area and z-score.

answered Mar 21, 2024

1 answer 51.4k views

The performance measures on a balanced scorecard tend to fall into four groups. Name them? 1) Financial measures 2) Customer measures 3) Internal process measures 4) Learning and growth measures

asked Mar 1, 2024

1 answer 146k views

Center at (0, 0), vertex at (0, -13), and one focus at (0, 290) A) Hyperbola B) Parabola C) Ellipse D) Circle

asked Jan 21, 2024

1 answer 94.3k views

About how many students do not prefer non- fiction? x A. 60 B. 75 C. 100 D. 150 E. 180 I need help with this it wont let me show the chart

asked Dec 11, 2023

1 answer 69.3k views

The mutational mechanism that results in the production of antibodies that bind antigen with higher affinity is called _____.

answered Nov 1, 2023

2 answers 128k views

Urgent Please show steps!!! 100 POINTS Use synthetic division to find P(-3) for `P(x)=-2x^4+6x^2-x``+1` ("^" means expoents)

asked Apr 18, 2023

2 answers 1.1k views

Evaluate the following expression using exponential rules write the result in standard notation

answered Apr 13, 2023

1 answer 164k views

Which kind of wave moves back and forth along the direction of the wave?.

asked Apr 3, 2023

1 answer 190k views

1) What do do you you mean by brain drain?

answered Mar 25, 2023

1 answer 198k views

Find the area of the triangle with the given base and height. b = 3 m and h = 10 1/2 m

answered Jan 31, 2023

2 answers 63.1k views

The writer is considering deleting the underlined portion of sentence 8 (reproduced below), adjusting the punctuation as needed But, as Featherstone shows, focus groups actually rejected some features

asked Jan 18, 2023

1 answer 90.7k views

a phone company offers two monthly charge plans. in plan A there is no monthly fee, but the customer pays 6 cents per minute of use. in plan B the customer pays a monthly fee of $ 9.40 and then an additional

answered Jan 13, 2023

1 answer 179k views

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