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The graph shows the progress of two cyclists. Which answer choice shows the rates for each cyclist? A. Cyclist 1: 15 ft/s and Cyclist 2: 12 ft/s B. Cyclist 1: 10 ft/s and Cyclist 2: 12 ft/s C. Cyclist 1: 10 ft/s and Cyclist 2: 15 ft/s D. Cyclist 1: 12 ft/s and Cyclist 2: 10 ft/s http://static.k12.com/calms_media/media/720000_720500/720351/2/4ff87fefb54fad7eb8d0c4ab70133c06970ed0b2/77025_question.jpg
i have B
yes I think that's correct
Gus can mow 12 lawns in 4 hours. How many lawns can he mow in 9 hours? A. 108 B. 25 C. 21 D. 27 i have A
Nancy walked 516 yards in 6 minutes and then another 368 yards in 4 minutes. What was Nancy's average speed? A. 88.4 yd/min B. 89 yd/min C. 89.4 yd/min D. 178 yd/min i have A
The second was c
Im confused now
What was Nancy's average speed? A. 88.4 yd/min B. 89 yd/min C. 89.4 yd/min D. 178 yd/min i have A
You are correct
Peter drove 300 miles in 5 hours. Jane drove 400 miles in 8 hours. Who drove at a higher speed? A. Jane B. Peter i have B
Tonya works 16 hours per week during the summer. At that rate, how many hours will she work in 8 weeks? A. 128 B. 2 C. 32 D. 24 i have A
Which equation could be used to solve the problem? Joan picked 4 bushels of apples in one hour. At that rate, how many bushels would she pick in 8 hours (b)? A. b = 8 + 4 B. b = 8 • 4 C. b = 8 ÷ 4 D. b = 4 ÷ 8 i have B
A restaurant keeps track of sales each week. According to the scatter plot, which amount is an estimate of sales that will be made in week 8? A. $1000 B. $1500 C. $500 D. $2000 http://static.k12.com/calms_media/media/713500_714000/713830/3/59c99295c2d4335e4e63cb1aec24a27db6bf1b34/74468_question.jpg I have A
I would say B
What type of correlation is shown in the scatter plot? A. positive correlation B. no correlation C. negative correlation http://static.k12.com/calms_media/media/767500_768000/767520/2/cef895ead2ef9fffaf714ff8f79e5f432d7feda3/79242.jpg i got B
Is the ordered pair (1, 4) a solution to the equation y = 2x + 1? If yes, is it the only solution? A. Yes, but this ordered pair is not the only solution to the equation. B. Yes, and it is the only ordered pair that fits the equation. C. No, because the ordered pair does not fit the equation. i have A
If x can be any number, how many solutions are there for the equation? y = 7x – 1 A. There are many solutions because there are many values for the variables that make the equation true. B. There is only one solution because all equations have one solution. C. There is no solution because there are no values for the variables that make the equation true. D. There are two solutions because there are two variables in the equation. i have A
Here are 10 test scores: 30, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 74. Does this set have an outlier and, if so, how does removing it affect the mean? A. The set has 30 as an outlier and removing it decreases the mean by about 10. B. This data set has no outliers. C. The set has 30 as an outlier and removing it decreases the mean by about 5. D. The set has 30 as an outlier and removing it increases the mean by about 5. I have D
The box-and-whisker plot describes the scores of soccer teams in a recent tournament. What was the median score? A. 0 B. 2 C. 6 D. 4 http://static.k12.com/calms_media/media/767500_768000/767519/2/5a365d24cad5dc392a4b3e004823a58be5b4a203/79233.jpg i have D
k,how long does it take
You are correct Sure I will try
How will adding the value 75 affect the mean and median of the data set 1, 5, 7, 9 , 9, 10? A. The mean increases and the median stays the same. B. The median increases and the mean stays the same. C. The median increases less than the mean increases. D. The mean and the median increase by the same amount. I have C
The histogram shows the number of books read by people participating in a local book club. Which statement is best supported by this histogram? A. Three people read no books. B. Most people read 3 to 5 books. C. Six people read more than 2 books. D. Six people read between 6 and 8 books. http://static.k12.com/calms_media/media/767500_768000/767516/3/c4a4148d93321ae73278a4b965f6335599cbab9d/79230.jpg i have A
I think you are correct
Ed bowled 5 games. His scores were 90, 90, 100, 80, 100. What is the range of his scores for the 5 games? A. 20 B. 100 C. 80 D. 10 i have A
The probability of drawing a dime from a bag of coins is 7/10 . What is the probability of drawing a coin that is not a dime from the bag? A. 70% B. 50% C. 40% D. 30% i have D
Nancy tossed a coin and it landed heads up three times in a row. What is the probability that this same coin will land heads up the next time she tosses it? A.1 B.1/16 C.0 D.1/2 I have D
i think you are correct
A spinner has three congruent sections numbered 1, 2, 3. Yolanda made 50 spins of this spinner and recorded the outcomes in this table. Outcome Number 1 15 2 19 3 16 What is the theoretical probability of the spinner stopping on 2? What is the experimental probability of the spinner stopping on 2? A. Theoretical - 38% Experimental - 33.3% B. Theoretical - 16.7% Experimental - 19% C. Theoretical - 33.3% Experimental - 19% D. Theoretical - 33.3% Experimental - 38% I have D
You are probably correct
How many more questions left?
Are you 100% sure on all of these cause its my semester finals and theres 9 left
I have to go can someone else help you?
For the last one I'm not really sure
ill hurry with my questions
I can help you with only 2 questions
A number cube with the numbers 1, 2, 3, 4, 5, and 6 is rolled 1000 times. About how many times would it be expected that a number greater than 3 is rolled? A. 333 B. 500 C. 167 D. 667 i have a
I dont get this one
I think A is correct
The table shows the results of drawing one marble from a bag of colored marbles. Each marble was replaced after the outcome was recorded. If there are a total of 60 marbles in the bag, about how many of the marbles are orange? Color Number of Pulls red 5 green 4 orange 8 black 3 A. 8 B. 24 C. 12 D. 16 i have 24
did you still need help?
um, that's blank
What does it mean if the probability is 0% that a blue marble will be drawn form a bag? A. There are very few blue marbles in the bag. B. There is only one blue marble in the bag. C. There are no blue marbles in the bag. D. The number of blue marbles in the bag is unknown. i have C
What is the length of one side of a regular pentagon if its perimeter is 205 mm? mm
i got 41 mm
Simplify the expression. 3 • (7 + 2)3 A. 243 B. 486 C. 2187 D. 19,683 i got C
are you sure you wrote it write because I'm getting 81...
how are you getting 81?
I have to go sorry...
Bye :-: Its just 4 more questions
I'm sorry my mom is yelling at me...
Simplify the expression. 3 • (7 + 2)3 A. 243 B. 486 C. 2187 D. 19,683 i got C
yes, thats right
Simplify the expression. –16 • 1/8 • 4 + 32 ÷ 2 A. 12 B. 8 C. –36 D. 24 i got B
Which phrase best defines a rectangle? A. a quadrilateral with no congruent sides B. a parallelogram with four congruent angles C. a parallelogram with four congruent sides D. a quadrilateral with exactly one pair of parallel sides i got A
i think its C now..
nope, does a rectangle always have 4 congruent sides?
do you know what "congruent" means?
nope, try again
right, does a rectangle always have 4 sides that are the same?
no cause that will be a square
well, squares ARE rectangles, but that's not the point a rectangle SOMETIMES has four equal sides, but not always so what do you think the answer is now?
please try again a rectangle has two pairs of congruent sides (opposites sides are equal)
please try again, try to use reasoning instead of guessing a rectangle has two pairs of parallel sides
do you understand why?
cause i side is the same as one of them?
please try again what can you say about the angles in a rectangle?
right, and are they congruent?
Where is point h on the number line? A. 6.5 B. –4.5 C. –6.5 D. –5.5 http://static.k12.com/calms_media/media/767500_768000/767528/3/ac65c101b8a1e544990ec78e1b3697744e10c872/79255.jpg igot D
can you please answer my last questIon?
Yes theres congruent
ok good, and yes, the answer to your last question is D