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The addition of 1%-2% of _________ to the filament increases efficiency of thermionic emission and prolongs tube life. A. Molybdenum B. Copper C. Rhenium D. Thorium
answered
Dec 22, 2024
Physics
high-school
4
votes
72.6k
views
The recipe calls for a 9-inch tube pan. What's the volume and what pan(s) could be used instead?
answered
Dec 13, 2024
Chemistry
high-school
5
votes
166k
views
10 Jack is planning to build a shed. He wants the shed to be 10 feet wide with 3.5 feet on either side of the door. The figure shows what he has in mind. Jack wants to start with a scale drawing. The scale
answered
Oct 23, 2024
Mathematics
high-school
5
votes
199k
views
A confidence interval was used to estimate the proportion of math majors that are female. A random sample of 72 math majors generated the following confidence interval: (0.438, 0.642). Using the information
answered
Mar 23, 2024
Mathematics
college
4
votes
168k
views
You wish to conduct your own study to determine the proportion of adult males 20 to 34 years old who have hypertension. what sample size would be needed for the estimate to be within 3 percentage points
answered
Mar 22, 2024
Health
high-school
5
votes
14.2k
views
The BSA requires financial institutions to to keep records of cash purchases, file reports of cash transactions exceeding how much?
answered
Mar 18, 2024
Business
high-school
3
votes
199k
views
Which statment is true about rectangular prisms
answered
Mar 18, 2024
Mathematics
college
0
votes
170k
views
Do pharmacists have to report vaccines administered to patients' PCPs?
answered
Feb 25, 2024
Medicine
college
2
votes
140k
views
Wich is faster 4 kilometers in 1/10 hour or 5 kilometer in 1/4 hour
answered
Feb 24, 2024
Mathematics
college
3
votes
147k
views
An organelle that breaks down amino acids, fatty acids, and toxic substances is the 1) peroxisome 2) Golgi body 3) mitochondrion 4) lysosome 5) smooth endoplasmic reticulum
answered
Feb 24, 2024
Biology
high-school
2
votes
83.6k
views
Faustino, Ayer yo me _____ el pie en la calle.
answered
Feb 15, 2024
Spanish
college
3
votes
11.6k
views
a solid object is made with the combination of a cylinder and cone having the same radii. The height of cylinder is 21cm and the slant height of the cone is 10cm .If the total cost of painting the Total
answered
Dec 5, 2023
Mathematics
high-school
3
votes
63.8k
views
Would you live until 150 years old? Why or why not?
answered
Nov 8, 2023
English
high-school
8
votes
179k
views
Which exponent is bigger x6 or x-3?
answered
Oct 3, 2023
Mathematics
high-school
7
votes
219k
views
Find the volume of the prism.
answered
Oct 1, 2023
Mathematics
middle-school
6
votes
148k
views
Write 14 min, 35 sec in seconds
answered
Aug 22, 2023
Mathematics
high-school
4
votes
224k
views
Factors that affect/ hinders development
answered
Mar 4, 2023
Arts
college
11
votes
133k
views
A doctor and a produce stocker can expect to need the same amount of college education. True False
answered
Oct 17, 2022
Business
college
10
votes
100k
views
What enzyme unzips DNA and brings in complementary RNA base pairs? What type of RNA is made?
answered
Sep 25, 2022
Biology
college
2
votes
107k
views
HELP!! What evidence do fossils provide geologists about the history of the Earth? A. Living things have remained the same over time. B. Environmental conditions have changed over time. C. The amount of
answered
Sep 16, 2022
Biology
high-school
7
votes
189k
views
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