Recent activity by Douglas Ferreira

Recent activity by Douglas Ferreira

( 2.5 × 10 − 16 ) × ( 4.3 × 10 − 9 ) Scientific notation

asked Dec 20, 2024

1 answer 182k views

Solve 3x^2 - 6x - 9?

asked Jun 22, 2024

1 answer 194k views

If the compliance is 0.25 L/ cm H2O and pressure changes from -5 cm H2O to -7 cm H2O, how much air was inhaled?

answered Jun 2, 2024

1 answer 110k views

Write a program to check the given number is positive negative or zero

asked Apr 26, 2024

1 answer 85.5k views

Combine the two conditional statements into a biconditional. If I am breathing, then I am alive. If I am alive, then I am breathing. a) I am breathing if and only if I am alive. b) I am alive if and only

answered Mar 19, 2024

1 answer 122k views

(CON) The preferred level of categorization for when people tend to rely on the same type of category as each in other in most situations is called: A. Subordinate Level B. Superordinate Level C. Basic

answered Jan 22, 2024

1 answer 206k views

10 When magma squeezes into pre-existing rock, it is known as a(n): 1) extrusion 2) intrusion 3) fault 4) deposition

asked Dec 19, 2023

1 answer 199k views

Number of complaints per day: 0 1 2 3 4 5 6 Probability: 0.02 0.08 0.19 0.24 0.27 0.11 0.09 Find the expected number of complaints per day

asked Dec 17, 2023

1 answer 223k views

Some verbs have a spelling change from I to Y in the middle of the verb in the preterite tense because Question 1 options: the verbs have similar forms to ser and ir in the preterite tense. it prevents

asked Aug 13, 2023

1 answer 141k views

The sum of two numbers is 143 and their difference is 7,what are the numbers?

answered May 23, 2023

2 answers 27.4k views

What are the first 100,000 digits of pi?

answered Mar 24, 2023

1 answer 154k views

An angle measures 27.8° less than the measure of its supplementary angle. What is the measure of each angle?

asked Mar 23, 2023

1 answer 43.4k views

Pls pls plsssssssss help me and fast

asked Mar 12, 2023

2 answers 199k views

I will give 20 pts!!

asked Jan 17, 2023

1 answer 170k views

Write and equation for each line.

answered Dec 31, 2022

2 answers 122k views

Why does the skeleton stop growing in length? a Because the cartilage in the growth plate has been replaced by bone. b Because there is not enough calcium and other nutrients in the body. Because the growth

answered Dec 27, 2022

1 answer 155k views

Scientific theories _____. are not subject to revision can be changed and revised need to be proven only once become laws when they are proven

asked Dec 26, 2022

1 answer 33.4k views

Tex 14x +6 =5x+3 tes

asked Dec 10, 2022

2 answers 65.0k views

a massive extinction of about 50% of marine animals occurred at the end of the mesozoic era. what most likely caused this extinction?

asked Nov 21, 2022

1 answer 130k views

Plzzz help I have a quizzzz

asked Oct 15, 2022

1 answer 181k views

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