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Celina

Questions and answers by visitors named Celina

Questions (57)

Here are two more problems I have for homework tonight. I have gotten answers, but I used "guess-and-check" and could not find
1. 7 answers
2. 3,634 views
A ray of light enters a glass block from air at an angle of incidence of 50 degrees. The angle of refraction is 30 degrees. What
1. 3 answers
2. 2,214 views
Here is the problem that I need to solve:y = ab - ac (to the second power). I need to solve the problem for a. Thank you!
1. 1 answer
2. 370 views
Here is the problem that I need to solve:y = ab - ac ² (that is a second power symbol if you can't tell). I need to solve the
1. 3 answers
2. 965 views
Please help!!!I have a worksheet of problems to do for homework, most of which I don't understand. My teacher hasn't really been
1. 7 answers
2. 721 views
Does anyone at least slightly understand direct and inverse variation? I get the basic idea, but I'm still a little confused,
1. 4 answers
2. 720 views
Once again, I have some confusing problems for math. If you know any answers, even if you only know one, please tell me the
1. 3 answers
2. 654 views
I have just one math problem that I need a little help with. Please give me the answer, and walk me through it, too, to help me
1. 2 answers
2. 578 views
Here is my problem. Please walk me through how you got to the answer.Three-fourths of a number equals 3 times the number
1. 3 answers
2. 565 views
Here's another problem I'm having a little trouble with:A piece of string is 40 cm long. It is cut into three pieces. The
1. 7 answers
2. 1,610 views
I'm having a little trouble with this problem...Please try and walk me through the problem, too: #1. A motorboat leaves a dock
1. 1 answer
2. 469 views
I'm having a little trouble with this problem...Please try and walk me through the problem, too: #1. A motorboat leaves a dock
1. 4 answers
2. 747 views
Wow, this one is hard to explain...First, I'll give you the info you need to solve the problem. Tough Cell Batteries Battery
1. 1 answer
2. 454 views
I'll try posting this again since no one responded before.Wow, this one is hard to explain... First, I'll give you the info you
1. 1 answer
2. 424 views
One of the questions on a worksheet I must answer is this:You're in study hall and trying to get your homework finished. The
1. 6 answers
2. 804 views
Here is my question: If (2, -3) and(-5, 4 are the endpoints of a diagonal of a square, what are the coordinates of the other two
1. 5 answers
2. 1,179 views
Does anyone know a link to a site that has a list of adjectives starting with the different letters of the alphabet? I have used
1. 5 answers
2. 447 views
Here's another thing I must solve:For each graph of a function, determine these things: a. f(1) b. domain c. any x-values for
1. 1 answer
2. 427 views
Right now we are learning about functions, relations, etc. and I am kind of confused.Here is what I have to answer: Determine
1. 1 answer
2. 661 views
Does anyone know a good review site to review for my Spanish final that is tomorrow? We have just learned simple things like the
1. 2 answers
2. 718 views
What does collinear mean?
1. 2 answers
2. 523 views
I'm very confused with what I'm learning about right now. We are kind of talking about slopes, functions, graphs, etc. Today, my
1. 7 answers
2. 668 views
I'm a little confused on how to solve this:The number of cricket chirps per minute is given by N(t) = 7.2t - 32 Where t is the
1. 3 answers
2. 487 views
Another question:A cell phone company charges $60 for a cell phone and $40 per month under its economy plan. Formulate and graph
1. 3 answers
2. 743 views
I really need help with my math homework today, because I am totally confused! Please give me the answer, but also walk me
1. 9 answers
2. 700 views
Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them.#2: Let A be
1. 1 answer
2. 701 views
Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them.#2: Let A be
1. 7 answers
2. 1,435 views
Here's the question I'm having trouble with:Tell how you would identify the intercepts for the graph of the equation: 3x + 6y =
1. 5 answers
2. 1,110 views
Is there a link to a site where I can find a way to solve a Soma Cube, and where each shape would go?Thank you!
1. 3 answers
2. 325 views
What is the length of a string that has a standing wave with four nodes (including those at the ends) and lambda = 24 {\rm cm}
1. 2 answers
2. 1,236 views
How many different seven-digit telephone numbers are possible if no number may begin with 0?.....the answer is 9,000,000 but I'm
1. 4 answers
2. 885 views
How many ten-digit telephone numbers are possible if the first three digits must be different? The answer is 72,000,000,000....
1. 4 answers
2. 1,495 views
How many arrangements of five letters from the word 'certain' contain the letter 't'? Explain your reasoning.
1. 4 answers
2. asked by Celina
3. 3,649 views
You are setting a system programing codes for a universal TV remote control. Each code will have five digits and cannot include
1. 1 answer
2. 672 views
In how many ways can you make Rhe border if it requires 15 titles and you use only blue and white ones? Explain your reasoning.T
1. 1 answer
2. 331 views
Gisela lives in a subdivision where the streets are laid out in a grid pattern. Her school is eight blocks south and six blocks
1. 5 answers
2. 2,637 views
Write each number in scientific notation:1) 15.01 ans. Is it 15.01 x 10 minus to the power of 2?? Am i wrong?
1. 3 answers
2. 443 views
The number of nuts in a package of Nutty's premium cashews is normally distributed with mean of 432.4 nuts and standard
1. 2 answers
2. 1,170 views
I need an advertisement which hasn't been banned yet, but that you think should be banned. I don't really pay attention to ads,
1. 3 answers
2. 1,022 views
Is there any advertisment which you think should be banned?
1. 1 answer
2. 333 views
I need an advertisement which hasn't been banned yet, but that you think should be banned. I don't really pay attention to ads,
1. 2 answers
2. 1,098 views
I need some help with this specific question. In a computer catalog, a computer monitor is listed as being 19 inches. This
1. 4 answers
2. 1,835 views
Write the definite integral for the area of the region bounded by the grpahs of y=9-x^2 and y=0
1. 2 answers
2. 607 views
Use the limit process to find the area of the region between the graph of the function f(x)= x^3 and the x-axis on the interval
1. 1 answer
2. 428 views
If you can see the face of a friend who is underwater, can she also see you?Please explain. Thanks :)
1. 2 answers
2. 577 views
The parabolic TV antenna receives electromagnetic waves from satellites. What is special about these rays?
1. 1 answer
2. 340 views
Twelve man take 6 hours to finish a piece of work. After the 12 men have worked for 1 hour, the contractor decides to call in 8
1. 5 answers
2. 3,755 views
How to find the total surface area of a prism, cone and cylinder?
1. 1 answer
2. 455 views
A charge rod is brought near a pile of tiny plastic sphere. Some of the spheres are attracted to the rod, but as they touch the
1. 1 answer
2. 514 views
A charge rod is brought near a pile of tiny plastic sphere. Some of the spheres are attracted to the rod, but as they touch the
1. 1 answer
2. 1,158 views
How many mL of .715 M HCI is required to neutralize 1.25grams of sodium carbonate? (Producing carbonic acid)
1. 2 answers
2. 1,068 views
"Find the area of a rhombus with sides of length 10 in. and longer diagonal of length 16 in."and Also, how do you solve the
1. 5 answers
2. 3,045 views
Find the probability that a number chosen at random between 1 and 100 is divisible by 2 and 7.
1. 1 answer
2. 349 views
Find the probability that a number chosen at random between 1 and 100 is divisible by 2 and 7.
1. 3 answers
2. 445 views
A picnic cooler contains different types of cola.12 regular, 8 cherry, 6 diet, 8 caffeine free, 10 diet vanilla, and some diet
1. 4 answers
2. 1,742 views
Samantha is a baseball player, she has a batting average of 0.280.a) find the probability that at least 3 hits in her next 5
1. 3 answers
2. 1,955 views
The device shown below contains 2 kg of water. When the cylinder is allowed to fall 250 m, the temperature of the water
1. 5 answers
2. 5,059 views

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