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Answers by Manfre

Answers by Manfre
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What is the value of the following expression? 7 • [6 + 10 ÷ (1 + 1)] + 4 • 5
answered Apr 8, 2022
3 votes
213k views
If I fill a balloon with helium it will float. Why does it float? Estimate the mass of helium in the balloon.
answered Mar 13, 2022
12 votes
33.7k views
A company has increased its number of employees by the same rate each year. How many employees did the company have in 2001?
answered Mar 9, 2022
11 votes
70.0k views
Select the appropriate technique with the problem you are looking for. a. Checking the equal variance assumption b. Checking the normal assumption c. Check for model misspecification d. Check for dependent
answered Dec 7, 2021
3 votes
18.9k views
True or false? An electric current is a continuous flow of electric charges through a material.
answered Nov 17, 2021
6 votes
87.2k views
Mallory went snorkling on vacation. During her snorkling adventure she came across a coral reef. All the coral that makes up the reef is A) an ecosystem. B) a population. C) the community. D) a temperate
answered Aug 9, 2021
2 votes
95.1k views
Select the correct answer. Which word correctly completes this sentence? Las son parte de la flora de la costa Guatemalteca. O A. gaviotas B. ballenas C. palmeras D. tortugas Reset Next
answered Jul 29, 2021
2 votes
217k views
Hypothesis: If I take sliced bread and put it in contact with ______ then it will grow mold.
answered Apr 16, 2021
5 votes
86.5k views
*PLEASE ANSWER FAST*
answered Apr 7, 2021
7 votes
25.6k views
Choose the word or phrase the best completes each sentence. Romans developed ______ , which allowed engineers to build complex structures and roads. Romans supplied water to their cities by building ______
answered Feb 20, 2021
3 votes
81.6k views
Why did the railroads initially divide the United States into four standard time zones?
answered Feb 20, 2021
6 votes
119k views
What is a major problem in Paraguay?
answered Feb 18, 2021
4 votes
102k views
A laser beam is incident at an angle of 29.4° to the vertical onto a solution of corn syrup in water. (a) If the beam is refracted to 18.84° to the vertical, what is the index of refraction of the syrup
answered Dec 2, 2020
2 votes
2.6k views
Zinc metal is added to hydrochloric acid to generate hydrogen gas and is collected over a liquid whose vapor pressure is the same as that of pure water at 20.0°C (18 torr). The volume of the mixture is
answered Jun 18, 2020
1 vote
235k views
a restroom Holiday Lights blinks once every 3 seconds why is there blue lights blink once every four seconds how many times will both sets of lights blink at the same time in 1 minute and 60 Seconds
answered Apr 14, 2020
4 votes
115k views
What does a plant do with oxygen, the end result of photsynthesis A. Sends it into the dirt B. Breathes it into its lungs C. Releases it that Animals(including humans) can live D. Turn it into sunlight
answered Dec 24, 2019
4 votes
210k views
Local maximum of f(x)=x^4-5x^2+4
answered Oct 12, 2019
1 vote
24.3k views
If the perimeter of the rectangle is 30 cm and value of j is 8. a) Create an equation that you can use to find the value of h b) Solve the equation. What is the value of h? PART A Equation:__________________________
answered Sep 28, 2019
4 votes
79.8k views
Which of the following are characteristics of the graph of the quadratic parent function? A. It has one intercept. B. It opens down. C. It has a vertex at (0, 0). D. It is U-shaped.
answered Sep 4, 2019
3 votes
77.7k views
The first successful British settlement in the New World was at
answered Mar 2, 2019
3 votes
86.6k views
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