# Math problem solving investigation: guess and chec

150,840 results

### Math problem solving investigation: guess and chec

The area of each square is twice the area of the next smaller square drawn in it. If the area of the smallest square is 3 square centimeters, what is the area of the largest square

### math

What strategy did you use in solving this problem? 22. Suppose that you wanted to find the whole numbers represented by each of the letters in the following addition problem: Which problem-solving strategy might be most helpful to you in solving this problem? (You need not ...

### Science

Writeacher, can you ask a science teacher to help me with my application? (methods adopted when analyzing experiment data concerning biodiversity in water) I would be extremely grateful to you. Approach 1) Task organization and information distribution The various tasks will ...

### Math

Guess and Check is an important problem-solving strategy. Use guess and check to solve each puzzle. a) A number times itself is 100. What is the number? b) A number times itself is 225. What is the number?

### Math - Problem solving

I used the guess and check method for solving this problem but would like to know how to set up the equation. A camp counselor buys granola bars and juice drinks for the campers. She decides to buy 3 times as many drinks as granola bars. Predict how many of each she can buy on...

### English/Science

I really need your help to determine if the following techniques are possible when analyzing scientific data (biodiversity in water) with pupils. I think an English science teacher can help me determine the techniques. Approach 1) Task organization and information distribution...

### Science/English

I really need a science teacher to check point 1 and tell me if the rest is possible. Thank you very much! 1) Task organization and information distribution The various tasks will be divided among participating students according to the logical breakdown of looking at the ...

### 8th grade pre algerbra

problem solving investigation: draw a diagram problem: kelly is using 3-inch square tiles to cover a 4-foot by 2-foot area the tiles are 0.5 inches tall if the tiles were stacked on top of each other to create a tower, how many inches tall would the tower be?

### beginning chemistry

The problem says indicate the the number of sig. figs. that should be present in the answers to the following problem without solving the problem. 0.70 x 7.00 x 6.880= What is a sig.fig. and how can you find them without solving the problem? It doesn't make sense

### English

1. To come up with possible solutions to a problem is referred to as: A. decision making. B. concept mapping. C. critical thinking. D. problem solving. is it D 2. "Should I apply for a job or go for an internship?" is an example of which stage in the problem-solving process? A...

### Psychology

Why is problem solving considered the highest level of mental activity? What makes an individual good at problem solving?

### Algebra 2

Helllo I have no idea how to do this problem given f(x) = x-3(x + 4)^(1/2) how to solve for x when f(x) = -5 I know I could just guess and check but I would like to know how to do this algebraically by pluging in -5 like so -5 = x - 3 (x + 4)^(1/2) and solving for x which I ...

### math

"The area of a rectangle is 360m2. If its lengh if increased by 10m and its width is decreased by 6m, then its area does not change. Find the perimeter of the original rectangle." I need to use the "guess and test" or the "draw a diagram" method to solve; which would be most ...

### math

Please help solving this problem. Solve the following word problem: One poll reported that 48% of city residents were against building a new stadium. The polling service stated that the poll was accurate to within 3%. What is the minimum percent of city resident that oppose ...

### physics

Hello can you please help me with this investigation. I am having lots of problems with it can you please help. Thandeka wanted to investigate whether the number of vibrations per second depended on the length of the pendulum string. She sat up the apparatus. She pulled the ...

### Chemisrty

Identify the type of question. Is it a literature research question, observation only question, demonstration question, or investigation question? How would you determine the PH of vinegar using cabbage juice as an indicator? (investigation) Do germaniting seeds produce heat...

### English

Bobpursely, thank you for helping me! Our project involving three schools is about biodiversity in water. In particular, participating students will have to carry out a chemical and microbiological analyses of water in each school's local area : river water for us and the ...

### Science

Bobpursely, thank you for helping me! Our project involving three schools is about biodiversity in water. In particular, participating students will have to carry out a chemical and microbiological analyses of water in each school's local area : river water for us and the ...

### English

Guess what? 1. Do you guess what I am going to say? 2. Can you guess what I am going to say? 3. Do/ Can you guess what I will say? 4. Can you guess what I want to say now? (Which one does 'Guess what?' mean?) Guess what! 1. Guess what I am going to say! 2. Guess what I will ...

### math

are the following a function 1. y=x/2 my guess is yes 2. y=2x+1 my guess is yes 3.y=x^2 my guess is yes 4.y=mx+b im not sure

### classroom instruction

• Write a 200- to 300-word response describing how you might teach this concept to students in a lower elementary grade and to students in a middle school grade. i picked problem solving i have this so far. i guess for each grade level (elem and middle school) i would ...

### math (am i correct)

5x-4y=24 4y-5x=-24 what is the solution of the systme of equations? ( i guess no solution) is the sytem consistant or inconsitatn? (i guess con) is it dependent or independent (i guess dependen)

### math am i correct?

5x-4y=24 4y-5x=-24 what is the solution of the systme of equations? ( i guess no solution) is the sytem consistant or inconsitatn? (i guess con) is it dependent or independent (i guess dependen)

### lattice math

Why should we estimate before solving a problem? We should estimate before solving a problem to make sure our answer is close to the real answer. Here's a simple problem. Suppose we want to find wnat a 6% tax on a $10 purchase would be. When you do the math, the answer depends...

### science

IN an investigation 3 plants each receive the same amount of sunlight, ut different aounts of water. WHat is the control in the investigation?

### Life sciences

Investigation to determine whether expired air contains carbon dioxide Formulate a hypothesis for this investigation.

### Math

A rectangular park has an area of 2_3 square mile. The length of the park is 22_3 the width of the park. What is the width of the park? this is the example of how they want them solving it The width of the room is 5/6 the length of the room. What are the dimensions of Kamal’...

### Algebra 2

Solving Quadratic Systems x^2+y^2=2 x^2-6y=10 I'm having trouble solving this problem.

### writing

Discuss how, as a professional, you may be able to assist children in refining their learning and metacognitive problem-solving strategies. At what stage in the maturation process do you believe it is most important to address a child’s learning and problem-solving ...

### Science

What is a experimental investigation? What is a descriptive investigation?

### Math

Can someone please work out the steps in solving this elimination problem. Thank you. The problem is x + 2y = -7 x - 5y = 7

### math

As of July 2004, the population of the United States was 293,027,571. If more than half of these people live within 80 kilometers of an ocean, about how many people live within distance? I guess I have to look to find the conversion of kilometers to diatance. I had no luck in ...

### MATH PROBLEM

COULD I GET HELP SOLVING THIS PROBLEM USING THE DISTRIBUTIVE PROPERTY 5(W-5)= 10 W =

### Child Development

Discuss how as a professional, you may be able to assist children in refining their learning and metacognitive problem-solving strategies. At what stage in the maturation process do you believe it is most important to address a child’s learning and problem-solving strategies?

### math problem

haveing problem solving 8x -(6x+7)= -3 The solution is x =

### Math Idk?

In a number guessing game. You ask a person to guess a number from one 1 to 10. If the person makes a random guess, what is the probability their guess will be less than 8?

### Math

You are playing Guess you card with (3) other players. Here is wha you see: Andy has the cars 1,5, and 7 Belle has the cards 5,4, and 7 Carol has the cards 2,4, and 6 Andy draws the question card, " do you see two or more players whose cards sum to the same value? He answers "...

### MATH

Solving by graphing DQ 1 Solving by substitution Solving by elimination Which method do you think would be best to solve this system? y=10x-8 y=1/2x+5

### math (?)

5x-4y=24 4y-5x=-24 what is the solution of the systme of equations? ( i guess no solution) is the sytem consistant or inconsistant? (i guess consistant) is it dependent or independent (i guess dependen)

### HELP-PROBLEM SOLVING IN MATHEMATICS

probably the most famous approach to problem solving is Polya's four-step process. Describe the four-step process.

### Math

The length of a rectangle is 5 inches less than 3 times the width. The perimeter of the rectangle is 14 inches. Find the length and width of the rectangle. I did this: Length 3x-5; width 3x Then I did guess and check and came up with X=2 solving the problem with a perimeter of...

### Physics PLEASE

I'm trying to solve this problem Calculate (a) how long it took King Kong to fall straight down form the top of the Empire State Building (380 m high), and (b) his velocity just before "landing". My teacher said try and rearagne this equation for t X = Xo + Vo t + 2^-1 a t^2 I...

### MATH

Which method of solving quadratic equations should be used when only an estimated solution is necessary? factoring quadratic formula graphing MY GUESS GRAPHING?

### physics

An object floats with half of its volume beneath the surface of the water. The weight of the displaced water is 2000N. What is the weight of the object? I'm confused by this problem. How would I go about solving this? My guess would be that the weight of the object is 2000N. ...

### natural science

1.write down the aim of the investigation? 2.make aprediction ofthe outcome ofthe investigation? 3. Switchon the hotplate to its maximum heat and start the stopwatch immediately after that?

### MATH

I've been having problems with solving equations that involve fractions with the following problem can I get some help for solving equations that involve fractions? x+1=2/3x Thanks for the help.

### Math

The problem states that "5 to 8 is as 15 to w." I'm having some trouble solving this because I am unsure of what the problem is asking me to do. Some help would be appreciated. Thank you! :)

### Math! Please help!

This is an inequality problem/question. I dont know if I'm right in solving this problem: 15 ≤-k/4-9 (k/4 is a fraction) Please help! I got 5.25 ≤k

### criminal investigations

do the objectives of a criminal investigation change with the type of investigation

### Math Problem Solving

6n+(8n-2n)+3/2

### Math Problem Solving

6n+(8n-2n)+3/2

### 7th Grade Math

z/6 + 11 > -49 This is my problem for homework and I don't know how to do it. My teacher showed us but I guess it didn't get throw to me. ?????????????? Help

### Calculus

I am having trouble solving this problem: "Find where the tangent line is horizontal for r=1+cos(theta)" I would really appreciate the feedback, I'd like to know how to go about solving problems like these. Thank you!

### Chemistry

I need help in solving this problem: A certain substance has a heat of vaporization of 42.46 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 291 K? I know that I have to use the Clausius-Clapeyron equation, but what would I be ...

### MATH

I'm having trouble with this problem: Guess a simple formula for the sequence that begins: -1, 1/2, -1/3, 1/4, -1/5 term(n) = (-1)^n x 1/n will do it

### Math

I need help solving this problem. 17 11/12 ÷ 6 1/10

### Math

I need help solving this problem. x - 3 > 8

### math

I need help solving this problem -x-7x=

### math

I need help solving this problem; 7-3(2t-5)+4t=-18

### math

can anybody help me to understand solving this problem 8/x=2/5x=

### Math

I need help in solving this: Problem #1 For f(x)=-6x3+10 find f(4) and f(-4) Problem #2 For g(x)=20-5x2 find f(1) and f(-1)

### math

Need help in solving these Problem #1 For f(x)=-6x3+10 find f(4) and f(-4) Problem #2 For g(x)=20-5x2 find f(1) and f(-1)

### Problem solving:for 3rd grade

Write a real-world problem that you can solve by adding or subtracting.Then give your problem to a classmate to solve.

### algebra

Explain the difference between solving a system of equations by the algebraic method and the graphical method. Someone also wants to know why there are different methods for solving the same problem-what would you tell him? Tiffany Oakes

### Science

Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the ...

### math

8 / (4 / (-28)) = -56 I don't understand why? what are the steps to solving this problem?

### College Math

I need help solving this problem, s/5 - 5/s=0

### math

How would I go about solving this problem? (-6x^6)(-6x^2x^6)

### math

What are the tricks in solving words problem?

### Earth science

TRUE OR FALSE The burning of fossil fuels cause the earth to get warmer by putting carbon dioxide in the atmosphere and the carbon dioxide traps heat. MY GUESS: TRUE Isobars help meteorologists find fronts on weather maps. MY GUESS: FALSE A CLOUD IS A COLLECTION OF WATER ...

### fractions

my teacher gave us some fraction problems for homework, but I'm confused about how to go about solving the problem. The problem is what is 2/4 of 8. Can you show me the steps so I can do the rest of the math problems? 2/4 reduces (or simplies if you prefer) to lower terms. ...

### Algebra II

Solving the formula for the indicated variable. I=prt,for r I need help knowing how to solve this problem step by step. its easier with numbers and a fraction in the problem but this problem just threw me off.......HELP PLEASE!!!!

### Math

show me the steps to solving this problem? 3k/5+44=12k/25+8

### Math Problem Solving

6n+(8n-2n)+3 ____________ 2 simplfy this expression

### math

I am solving a problem and have -cos(a)=-1/2. How do I solve for a?

### algebra

im having a hard time solving a problem that is 9x+9y=-18 do you think you can help me with this problem

### Solving rational inequalities

problem #1 (1+x)/(2x+3)<1 algebraically problem #2 1/(x^2+2x+1) > 2 graphically TIA please ignore this

### Problem Solving

What form does Bernoulli's equation take if we use the information in the problem statement that P1=P2?

### Algebra help

I need help solving this problem 1/5(2x - 10)+4x= -3(1/5x +4) Can someone at least walk me through this problem? Please and thanks!

### Math Analysis

What is the approximate horizontal distance traveled by a soccer ball that is kicked at an angle of 30 degrees with an initial speed of 60 feet per second? a) 84 ft b) 88 ft c) 93 ft d) 97 ft e) 105 ft ==> I tried solving it by solving for x in the equation cos30 = x/60, x ...

### math

Hi I need help with this math problem: The plane that contains the points (8,3,1), (2,6,3), and (4,6,2) has an equation of the form ax + by + cz = d. Find coefficients for this equation, trying two different approaches to the problem. One method uses vectors, another does not...

### Determining whether expired air contains carbon dioxide

1.Formulate a hypothesis for this investigation 2.State the aim of this investigation 3. a)Independent variable b)Dependent variable c)Controlled variable 4.State methods and the control

### math

how can i estimate in the first step of solving a division problem

### math

I need help solving this problem please. Solve the equation. (x-2)(2x+1)=0

### Math

How do problem solving using model addition and subtraction

### math

I'm having problem understanding and trying to solving x/2=5/15 x= can somebody help me with this.

### Math

How do you know which operation to choose when solving a real life problem?

### Math

Chapter 27, lesson 5 problem solving: use formulas

### algebra

would you help me write a logic application for andy has the cards1,5,and 7 belle has the crds 5,4,and 7 carol has the cards 2,4 and 6 whats the salient facts of the problem? explain the strategy for solving the problem? present a step by step solution for the problem.

### Math

Need help solving this problem. If there's an equation at the end, need help in how to solve that also. Compounded interest problem. Principal $825. Rate 4%. Compounded Annually. Time 10 years.

### algebra

3x^2-5=16 solving equation I see no one is answer ansy problem could some please I need this problem tonight.

### math

Could you help me in solving the following problem? If x varies inversely as the square of y and x=2 when y=1 find x when y=2

### math

how to do a problem solving stratigy of making a table/find a pattern

### math

how to do a problem solving stratigy of making a table/find a pattern

### math

how to do a problem solving stratigy of making a table/find a pattern

### math

I'm having trouble solving this problem: definite integral (2-t)(sqrt(t)), 0..2

### Math

What scenic structures are featured in chapter 2 Problem Solving on Location?

### 6th grade math

Unable to help my child with this problem... 71.33=9/5k-459.67 solving for k

### College Math

I need help solving these problems by using the substitution problem 2x-3y=16 5x+2y=21