Answers by Huibin Zhang
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Answers by Huibin Zhang

Answers by Huibin Zhang
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4.5% of it is 23% of 45
answered Aug 8, 2022
4 votes
229k views
21х + 7у = 42 - 5х + 5y = 10 X and y
answered Jul 18, 2022
7 votes
202k views
Valencia climb 25 feet up a rock wall and then climbs 12 feet down to a landing area. The number of feet Valencia climbs can be represented using the expression |25| + |-12|. How many feet does Valencia
answered Jul 2, 2022
2 votes
210k views
A, B and C are three similar shapes. The surface area of shape A is 4 cm2 . The surface area of shape B is 25 cm2 . The ratio of the volume of shape B to the volume of shape C is 27 : 64. Work out the
answered Apr 11, 2022
5 votes
85.9k views
An elevator can hold up to 400 lb. A delivery man weighs 210 lb and has to deliver a truck full of packages that each weigh 41 lb. He wants to know how many packages he can take with him on each trip up
answered Mar 10, 2022
3 votes
187k views
Simplify the expression: 2(10)+2(x-4)
answered Mar 4, 2022
4 votes
73.1k views
Order the steps to solve the equation log(x2 - 15) = log(2x) form 1 to 5. x² – 2x - 15=0 Potential solutions are -3 and 5 x² – 15 = 2x X-5 = 0 or x + 3 = 0 (x - 5)(x + 3) = 0
answered Mar 1, 2022
5 votes
179k views
Using lighting that does not cast shadows or a glare on schoolwork and activities, is an appropriate modification for a student with a(n) ____________ disability.
answered Dec 18, 2021
3 votes
95.2k views
Find the equation of the line below ​
answered Nov 23, 2021
4 votes
138k views
A hummingbird's heart rate while resting is about 7,500 beats every 30 minutes. How many more beats does a hummingbird's heart beat in 60 minutes than a human baby's heart? It was on the last question
answered Oct 17, 2021
1 vote
20.9k views
Please Help! image below
answered Oct 16, 2021
5 votes
73.3k views
The top surface of a desk is composed of 2 rectangles and a triangle. Some side lengths of the top surface of the desk are shown. 1.5 ft 1 1 1 1 1 2.5 ft 1.5 ft What is the area of the top surface of the
answered Aug 30, 2021
4 votes
27.8k views
The total distance an ant crawls varies directly with the time in seconds. The ant crawls a total distance of 160 centimeters in 20 seconds. What is the time in seconds the ant crawls when the total distance
answered Jul 23, 2021
5 votes
131k views
3 (x - 2) = 7 – (4 - x)​
answered Jun 2, 2021
3 votes
131k views
Answer two questions about Equations A and B: A=3(x+2)=18 B=x+2=6 1) How can we get Equation B from Equation A? do they have the same solution?
answered May 24, 2021
3 votes
10.5k views
When multiplying a negative and positive what will you result be
answered Apr 25, 2021
2 votes
96.1k views
Why did Nelson Mandela receive a Nobel peace prize in 1993?
answered Mar 21, 2021
3 votes
57.9k views
—16t^2 + 64t + 3 Please help as soon as possible 33 points if you do it!!
answered Jan 9, 2021
6 votes
219k views
HELP ME PLS!!!!!!!!! 20 PTS
answered Nov 24, 2020
4 votes
33.4k views
Which of the following can scientists use to identify where earthquakes will most likely occur? A:Seismic gaps B:Plate boundaries C:Proximity to a volcano D:Seismographs
answered Oct 30, 2020
7 votes
159k views
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