Questions and answers by

mimi

Questions (526)

Choose the correct description of the number set.(4 points)(√2 , √5 , 𝛑 ) (-7.4, 0, 3.232323..., √25 ) (√8 , √9 ,
1. 1 answer
2. 99 views
ote: Lewis Hine was hired by the National Child Labor Committee to show people what life was like for the children working in
1. 1 answer
2. 131 views
Do you think the Cotton Expositions achieved their goal? Why or why not? (think about the purpose you identified in question 2.
1. 1 answer
2. 146 views
what was the purpose of the international cotton exposition? give more details about it .
1. 1 answer
2. 100 views
Simone has a mug of hot tea at a temperature of 90°C. She sets the mug on a counter in a room with an air temperature of 30°C.
1. 1 answer
2. 200 views
Jo’Siah wonders if he can block the radio waves emitted by the remote control used to operate his radio-controlled car. He
1. 1 answer
2. 112 views
A scientist is designing a device that will develop an image of a bone, but not the surrounding tissues. Which type of wave from
1. 1 answer
2. 127 views
A scientist is creating a device for humans to communicate through detectable light. Which waves should the scientist apply from
1. 1 answer
2. 133 views
Some frequencies of ultraviolet light have enough energy to kill bacteria, but do not have enough energy to go through or damage
1. 1 answer
2. 67 views
A model of a concave lens is shown below.Which of the following statements describes a possible way to apply this type of lens?
1. 1 answer
2. 236 views
The lens shown in the diagram causes the light rays entering the lens to expand in different directions..image
1. 1 answer
2. 151 views
An optometry student must create a mode of a lens. The lens must be able to focus light into a small space. Which statement
1. 1 answer
2. 166 views
An optometry student must create a mode of a lens. The lens must be able to focus light into a small space. Which statement
1. 1 answer
2. 147 views
Which number is a rational terminating decimal?(1 point)Responses 12−−√ square root of 12 511 5 over 11 39−−√ square
1. 1 answer
2. 189 views
2/5 is a ______ number and would be a ______ decimal.2. −0.07 is a______ number and would be a______ decimal. 3. 4/9 is a
1. 1 answer
2. 130 views
25is a Response area number and would be a Response area decimal. 2. −0.07 is a Response area number and would be a Response
1. 1 answer
2. 59 views
Change the decimal to a fraction: 0.123123123….(1 point)Responses 123100 1 and 23 over 100 This decimal is Irrational and
1. 1 answer
2. 154 views
Change the decimal to a fraction: 0.1213(1 point)Responses This decimal is Irrational and cannot be written as a fraction This
1. 1 answer
2. 224 views
10 of 1710 of 17 ItemsQuestion For the inequality x≥−4 , which number(s) listed makes the inequality true? (Check all that
1. 1 answer
2. 132 views
6.263 - Rational number911 - Whole number 4.56666.... - Rational number 36−−√ - Rational number 0 - Whole number −25 -
1. 1 answer
2. 127 views
Identify the MOST SPECIFIC set to which each of the following numbers belongs.(7 points)6.263 911 4.56666.... 36−−√ 0
1. 1 answer
2. 140 views
Between which pair of rational numbers on a number line does 18−−√lie?(1 point) Responses Between 9 and 9.2 Between 9 and
1. 1 answer
2. 124 views
Put the steps in order for changing the repeating decimal, which is rational, to a ratio or fraction. 0.474747.... = what
1. 1 answer
2. 76 views
Put the steps in order for changing the repeating decimal, which is rational, to a ratio or fraction. 0.474747.... = what
1. 1 answer
2. 43 views
Which of the following expressions and answers would match with the scenario:Bob owed Jim $7 and also earned $25 mowing the
1. 1 answer
2. 116 views
Match the number with the correct description.(5 points)1. √17 - irrational square root of a non-perfect square 2.
1. 1 answer
2. 74 views
Match the number with the correct description.(5 points)1. √17 2. 0.123124125…. 3. 0.898989… 4. √49 5. 0.567 irrational
1. 1 answer
2. 146 views
(-7.4, 0, 3.232323..., √25) - rational numbers only(√8, √9, √10) - irrational numbers only (√2, √5, 𝛑) -
1. 1 answer
2. 163 views
Choose the correct description of the number set.(4 points)(-7.4, 0, 3.232323..., √25 ) - both rational and irrational numbers
1. 1 answer
2. 114 views
Choose the correct description of the number set.(4 points)1. (-7.4, 0, 3.232323..., √25 ) - 2. (√8 , √9 , √10 ) - 3.
1. 1 answer
2. 153 views
Choose the correct description of the number set.(4 points)(-7.4, 0, 3.232323..., √25 ) - (√8 , √9 , √10 ) - (√2 ,
1. 1 answer
2. 170 views
3. Which number line shows the approximate location of √48?
1. 2 answers
2. 170 views
Which number is rational? (1 point) ResponsesA. 2√4 the fraction with numerator square root of 2 and denominator 4 B.
1. 2 answers
2. 248 views
A girl uses sunscreen lotion to protect herself from the energy of the electromagnetic rays from the sun. What does sunscreen
1. 1 answer
2. 127 views
Which of the following waves on the electromagnetic spectrum has the longest wavelength?(1 point)Responses A. infrared waves B.
1. 1 answer
2. 121 views
Which of the following waves on the electromagnetic spectrum has the highest frequency?(1 point)Responses A. infrared waves B.
1. 1 answer
2. 104 views
is that correct ?
1. 1 answer
2. 45 views
Which of the following waves on the electromagnetic spectrum has the highest frequency?(1 point)Responses A. infrared waves B.
1. 1 answer
2. 111 views
Which of the following waves on the electromagnetic spectrum has the longest wavelength?(1 point) ResponsesA. infrared waves B.
1. 1 answer
2. 105 views
What is the best classification of a wave in which the particles of the medium move in the same direction as the wave? (1 point)
1. 1 answer
2. 97 views
This table shows information about electromagnetic and mechanical waves. Which question can be placed in the property column
1. 1 answer
2. 111 views
Which of the following statements correctly compares the frequency of infrared waves and ultraviolet waves? (1 point)Responses
1. 1 answer
2. 120 views
Order the numbers from greatest to least - use the number line to help you visualize correct placement: Biggest number at the
1. 3 answers
2. 262 views
Look at the steps for solving the equation and choose a true statement. 3x−9x+1=2(−3x+1)−1 −6x+1=−6x+2−1
1. 1 answer
2. 153 views
If I wanted to estimate 59−−√ , the first step would be to find the two ______squares that 59 lies_____ on the number
1. 1 answer
2. 197 views
This table shows information about electromagnetic and mechanical waves. Which question can be placed in the property column
1. 1 answer
2. 246 views
How do you show the group of digits that repeat in a repeating decimal?(1 point)Responses A. by printing them in italics B. by
1. 1 answer
2. 103 views
How do you show the group of digits that repeat in a repeating decimal?(1 point)Responses A. by printing them in italics B. by
1. 1 answer
2. 86 views
Suppose Columbus simply had complete freedom to explore the world without specific goals in mind. How would that have affected
1. 1 answer
2. 59 views
Number (Natural Numbers) (Whole Numbers) Integers Rational Numbers Irrational NumbersReal Numbers
1. 1 answer
2. 87 views
Identify the set to which each of the following numbers belongs by marking an “X” in the appropriate boxes.Number Natural
1. 1 answer
2. 174 views
1. What is NOT an example of reflection?* 1 point Light through a window A mirror An echo All are examples of reflection 2. What
1. 1 answer
2. 88 views
How does Columbus’s description of the Caribbean islands reflect Spain’s motivations for sending him there? Suppose Columbus
1. 1 answer
2. 193 views
Using rational approximations, what statement is true?(1 point) Responses 71 −−−√<61−−√ start root 71 end root
1. 1 answer
2. 115 views
Using rational approximations, what statement is true?(1 point) Responses A. 48−−√>36−−√ B. 49−−√<7
1. 1 answer
2. 56 views
Using rational approximations, what statement is true?(1 point) Responses A. 48−−√>36−−√ B. 49−−√<7
1. 1 answer
2. 117 views
Using a number line, what whole number and rational number to the nearest half is 105−−−√ between?(1 point) ResponsesA.
1. 1 answer
2. 94 views
Using a number line, what whole number and rational number to the nearest half is 105−−−√ between?(1 point) ResponsesA.
1. 1 answer
2. 54 views
Using a number line, what is the approximate value of 19−−√ ?(1 point) ResponsesA. 4.13 B. 4.38 ---- C. 4.5 D. 4.25 IS
1. 1 answer
2. 66 views
Using a number line, what is the approximate value of 19−−√?(1 point) Responses A. 4.13 B. 4.38 C.4.5 D.4.25
1. 1 answer
2. 86 views
Monique is reading a book. The table shows how the number of pages remaining in the book is changing over time.READING A BOOK
1. 1 answer
2. 132 views
What is the domain of the function in the graph?A. -2 <-x<-2 B. 0 <- x <-2 C. x is all real numbers less than or equal to 4 D. x
1. 1 answer
2. 57 views
A linear equation is graphed on the coordinate grid below.The graph shows a coordinate grid with a straight line that passes
1. 1 answer
2. 87 views
A system of equations is given below.{x+ 3y =15 {3x+2y=10 What is the value of y for the solution to the system? Type your
1. 1 answer
2. 69 views
A system of linear equations is shown on the graph.The graph shows two intersecting lines. One line passes through the points
1. 1 answer
2. 85 views
Four relations are shown.Relation A has two columns x and y. When x is 4, y is 4. When x is 5, y is 5. When x is 5, y is 0. When
1. 1 answer
2. 263 views
Three functions are shown.The graph titled function A has a line passing through the points (0, 2) and (6, 7). Function B x 0 2
1. 1 answer
2. 207 views
What is the first step to solve the inequality x-5<A. Divide both sides of the inequality by 6 to simplify: x/6 - 5/6 <6 B.
1. 1 answer
2. 76 views
A student makes money by watching the neighbors’ dog. The situation is modeled in the graph below.The graph titled money made
1. 1 answer
2. 112 views
Based on the student's work, complete the statement below.1/4(8-12x) = x - 2 ( 2x+1) 2-3x=x-4x+2 2-3x=-3x+2 2-3x+3x=-3x+2 2=2
1. 1 answer
2. 61 views
Charity is buying peaches at the store. The cost of the peaches are $1.30 per pound. If she has $6.50 to spend on peaches, how
1. 1 answer
2. 156 views
Manipulate the equation y=5x-11 so that it is written in terms of x. Which equation is equivalent to y=5x-11?A. x=( y/11)-5 B.
1. 1 answer
2. 72 views
Which equations have infinitely many solutions? Select TWO that apply.A. 6( x -9) = 6x -54 + x B. 5( x - 8) + 10 = 5(x + 2) C.
1. 1 answer
2. 75 views
Solve the equation using the steps: 2(x+8)=2x+8 (5 points). Step 1: Use the_______ Property to get. _______ resulting equation.
1. 1 answer
2. 125 views
Square roots and Cube roots can be rational or irrational. The square root of a _______ square (√7 = 2.6457...) is always
1. 1 answer
2. 63 views
Rational numbers cannot _____________.(1 point)Responses A. be square roots of non-perfect squares B. repeat digits in the
1. 2 answers
2. 133 views
match the number set or type of number with the correct category.(5 point) 1. repeating decimals (0.454545.....) 2.
1. 1 answer
2. 168 views
match the number set or type of number with the correct category.(5 point) repeating decimals (0.454545.....) non-repeating
1. 1 answer
2. 155 views
Which statement is true for electromagnetic and mechanical waves?(1 point) Responses Mechanical waves require a medium to travel
1. 1 answer
2. 141 views
A girl uses sunscreen lotion to protect herself from the energy of the electromagnetic rays from the sun. What does sunscreen
1. 1 answer
2. 182 views
Which of the following waves on the electromagnetic spectrum has the highest frequency?(1 point) Responses ultraviolet rays
1. 1 answer
2. 135 views
Which of the following waves on the electromagnetic spectrum has the longest wavelength?(1 point) Responses X-rays X-rays gamma
1. 1 answer
2. 97 views
The diagram shows the electromagnetic spectrum. Which statement BEST compares an ultraviolet wave to a microwave? (1 point)
1. 1 answer
2. 83 views
What is the best classification of a wave in which the particles of the medium move in the same direction as the wave? (1 point)
1. 1 answer
2. 113 views
This table shows information about electromagnetic and mechanical waves. Which question can be placed in the property column
1. 1 answer
2. 132 views
The picture below displays the electromagnetic spectrum with the frequencies and wavelengths of the different electromagnetic
1. 1 answer
2. 208 views
4. Waves can experience refraction and diffraction. What is the difference?* 1 point When waves refract they bend around an
1. 1 answer
2. 138 views
1. What is NOT an example of reflection?* 1 point Light through a window A mirror An echo All are examples of reflection 2. What
1. 2 answers
2. 90 views
1. What is NOT an example of reflection?* 1 point Light through a window A mirror An echo All are examples of reflection 2. What
1. 1 answer
2. 82 views
Which of the following is NOT a primary color when it comes to light?* 1 point red green yellow blue
1. 2 answers
2. 101 views
9. Which of the following is NOT a primary color when it comes to light?* 1 point red green yellow blue 10. How do we see the
1. 1 answer
2. 102 views
Which of the following is NOT an electromagnetic wave?* 1 point gamma ray x-ray visible light all of the above are
1. 1 answer
2. 89 views
6. Which of the following is NOT an electromagnetic wave?* 1 point gamma ray x-ray visible light all of the above are
1. 1 answer
2. 91 views
5. What happens to the wavelength of a wave when energy increases?* 1 point Wavelength becomes longer. Wavelength becomes
1. 1 answer
2. 106 views
How do you measure the wavelength of a longitudinal wave?* 1 point the distance from a rarefaction to a compression the length
1. 1 answer
2. 72 views
1. The particles in sound waves:* 1 point move parallel to the direction of the wave. move perpendicular to the direction of the
1. 1 answer
2. 75 views
Which statement correctly describes the relationship between frequency and wavelength?(1 point) ResponsesA. Frequency increases
1. 1 answer
2. 153 views
Square roots and Cube roots can be rational or irrational. The square root of a_____square (√7 = 2.6457...) is always
1. 1 answer
2. 121 views
Match the number set or type of number with the correct category.(5 points) Put responses in the correct input to answer the
1. 1 answer
2. 169 views
A repeating decimal, like 0.327327327..., can be written as a fraction.(1 point) Responses True, a repeating decimal is
1. 1 answer
2. 196 views