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The numerical aperture in the oil immersion lens is approximately which of the following? 1) 1.0 2) 0.5 3) 0.2 4) D. 0.8
answered
May 2, 2024
Engineering
college
2
votes
203k
views
Pierre was paid $8.00 each time he mowed the lawn. By the end of the summer he had mowed the lawn 20 times. He saved all the money. How much money did Pierre save?
answered
Apr 23, 2024
Mathematics
college
1
vote
208k
views
In Thorndike's cat experiment, what was the reinforcer, what behavior resulted in the reinforcer, and what effect did reinforcement have on the cat's behavior? A) Reinforcer: Food; Behavior: Pressing a
answered
Apr 8, 2024
Social Studies
high-school
3
votes
119k
views
What’s the length of this rectangle please
answered
Dec 25, 2023
Mathematics
high-school
13
votes
58.5k
views
Bethany has $2.80 in quarters and dimes. The number of Dimes is 7 less than the number of quarters. Find the number of each kind of coin that she has
answered
Dec 7, 2023
Mathematics
college
5
votes
192k
views
What’s the answer to this problem , figure out the area and perimeter of this triangle
answered
Sep 2, 2023
Mathematics
high-school
2
votes
81.8k
views
The first colony of anglo-american settlers in texas was located at _____.
answered
Jun 14, 2023
Geography
high-school
2
votes
219k
views
Determine if 3 is the solution of the equation: 1-2x=-7
answered
May 24, 2023
Mathematics
college
3
votes
139k
views
Solve for P A= 2xP+4P
answered
Dec 12, 2022
Mathematics
high-school
2
votes
74.8k
views
How do you use subscripts and coefficients to determine the number of atoms in a molecule.
answered
Dec 2, 2022
Chemistry
high-school
2
votes
105k
views
Find the angles of a triangle which are in the ratio 4:3:2.
answered
Nov 9, 2022
Mathematics
college
0
votes
60.3k
views
Convert the following decimal number to octal number and the to binary .58
answered
Nov 6, 2022
Engineering
college
8
votes
231k
views
Galileo was the first person to see rings around what planet
answered
Oct 21, 2022
History
college
5
votes
157k
views
How many Horizontal and Vertical Rods are there in Abacus
answered
Jul 4, 2022
Computers and Technology
high-school
2
votes
161k
views
Jack has sold 6 of the 90 cards he made. He sells the same number of cards each of the next 12 days. Write an inequality to represent the number of cards, c, Jack can sell each day and still have some
answered
Jun 17, 2022
Mathematics
middle-school
10
votes
64.2k
views
The Area of a circle is 46.81cm2 find the length of the radius rounded to 2 DP
answered
May 3, 2022
Mathematics
high-school
4
votes
142k
views
A ∠A and ∠ B ∠B are vertical angles. If m ∠ A = ( 5 x − 24 ) ∘ ∠A=(5x−24) ∘ and m ∠ B = ( 3 x + 24 ) ∘ ∠B=(3x+24) ∘ , then find the value of x.
answered
Mar 28, 2022
Mathematics
high-school
3
votes
175k
views
Gilded Gifts Company hires employees to make handmade greeting cards. The manager is determining how the time spent training new employees affects their production of greeting cards. The scatter plot below
answered
Feb 24, 2022
Mathematics
high-school
4
votes
100k
views
Helps pls help pls thank you so much
answered
Jan 18, 2022
Mathematics
college
8
votes
33.9k
views
Two identical spheres are released from a device at time t = 0 from the same height H, as shown above. Sphere A has no initial velocity and falls straight down. Sphere B is given an initial horizontal
answered
Jan 1, 2022
Advanced Placement (AP)
high-school
4
votes
118k
views
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