Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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in the first equation in the system of equations, y represents the mone…
D. the number of sweatshirts for which cost and income are equal
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topic 1 operating with rational numbers 3. eduardo needs to cut a 15-fo…
6
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modeling real life a one-year-old boa constrictor is 26 inches long and…
\( y = 8x + 18 \)
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multiple choice 5 points the value of a baseball card in dollars has be…
\$0.15 (the option with text "\$0.15")
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2. jeannine is planning dinner and a movie with her partner. the movie …
6:00 p.m. (the option with 6:00 p.m.)
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mariah is putting together a 1,500-piece puzzle. she has already placed…
The equation that models the number of pieces Mariah has placed after \( t \) minutes is \( \boldsymbol{n = 12t + 235} \) (corresponding to the option with this equation, likely t…
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8. kara owns 35 books. of these books, 20% have fewer than 100 pages an…
Kara owns 7 books with fewer than 100 pages and 28 books with 100 pages or more.
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#12 modeling real life a one-year-old boa constrictor is 26 inches long…
\( y = \frac{2}{3}x + \frac{3}{2} \) (or if in inches, \( y = 8x + 18 \); but based on y in feet, \( \frac{2}{3}x + \frac{3}{2} \))
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the dollar value of a computer, based on the number of years since it w…
2000 (the option corresponding to 2000, e.g., if the options are labeled as the circles with 2000 as one of them, that circle's value which is 2000 represents the initial cost)
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the larsons are filling their swimming pool. this table shows the amoun…
\( y = 74x + 50\) (the option with this equation)
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39. a shop owner offered a 20% discount off the regular price of a mirr…
A. $15
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after the school board announced an end to all field trips, students re…
D. fought back
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the table below shows the salary that ellen earned at her job based on …
The explicit formula is \( \boldsymbol{f(n)=725n + 29000} \) (or equivalent simplified form from the arithmetic sequence model).
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brandon has $75 to spend on a new ipod and to download some songs. the …
20
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work space for problem 2 bri bought a total of 12 items from the book s…
2
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jake bought a total of 15 items from the snack bar to share with his fr…
4
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41. hassan used a gift card to buy a pair of jeans for $30 and 2 pairs …
D. -44 ### Question 42
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gardeners trimmed bushes in a large courtyard. the table below shows th…
Time taken per bush for the first gardener: 8 minutes Time taken per bush for the second gardener: 10 minutes Time taken per bush for the third gardener: 7 minutes The gardener wh…
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last year, alayah ordered 4 cubic yards of soil and spent $220. this ye…
\(y = 40x+60\)
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iii. simplifying expressions to solve problems topic practice a. solve …
Elena can make 9 full batches of cookies, and she will have \( \frac{1}{8} \) cup of sugar left over.
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a factory tested three machines that make widgets. the table below show…
Number of widgets made per hour by Machine A: 3 Number of widgets made per hour by Machine B: 7 Number of widgets made per hour by Machine C: 5 Select the machine that was the fas…
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restaurants in 2012, a popular pizza franchise had 2483 restaurants. in…
\( y - 2483 = 24.6(x - 2) \) (or \( y - 2606 = 24.6(x - 7) \))
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dr. shoh visits patients at their homes. the equation ( y = 150x + 50 )…
The option "the rate for the first 20 minutes" (assuming the options are labeled, but from the image, the first option on the right is "the rate for the first 20 minutes", so the …
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use the table to answer the question. this table shows the relationship…
\( y = 3x-2 \)
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lily needs to order some new supplies for the restaurant where she work…
Inequality: \( 159 + 6s \geq 420 \) Solution: \( s \geq 44 \)
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aldo, juan, and abdul made flyers last sunday. the table below shows th…
Time spent per flyer by Aldo: $1.875$ minutes Time spent per flyer by Juan: $5$ minutes Time spent per flyer by Abdul: $3$ minutes Select the person who worked the fastest: Aldo
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ethan has a points card for a movie theater. - he receives 55 rewards p…
Inequality: $55 + 12.5x \geq 150$; Solution: $x \geq 8$ (where $x$ is the number of visits)
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xio tested three cameras last weekend. the table below shows the number…
Number of pictures taken per second for the first camera: 8 Number of pictures taken per second for the second camera: 6 Number of pictures taken per second for the third camera: …
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marie made the box plot below to display a set of data. which set of da…
A data set with five - number summary (minimum, Q1, median, Q3, maximum) approximately equal to 5, 10, 15, 25, 35 (e.g., a set like [5, 10, 15, 25, 35] or similar with those quart…
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martinas favorite mexican dish is enmoladas con pollo, tortillas filled…
First drop - down: will not Second drop - down: more likely than
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which relationships could have a negative correlation? select three opt…
- number of hours worked and free time - the speed of a train and the length of time to reach the destination - a tadpole’s age and the length of its tail
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on weekends, mr. rubio sells paletas, or mexican popsicles, from a cart…
8
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using tables to compare ratios first restaurant second restaurant third…
Time taken per customer for the first restaurant: 7 minutes Time taken per customer for the second restaurant: 9 minutes Time taken per customer for the third restaurant: 6 minute…
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a town council is conducting a survey to determine if a playground shou…
The sample is not representative of the population because families with school - aged children are more likely than the rest of the town’s population to want the land to be used …
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three friends drove radio controlled cars around a track. the table bel…
Number of laps completed per minute by Rachel: $6$ Number of laps completed per minute by Maya: $4$ Number of laps completed per minute by Lashonda: $7$ Select the person who drov…
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ron randomly pulls a pen out of a box that contains 1 red, 2 black, and…
The option: "The experimental probability of pulling a blue pen based on the observed frequency will get closer to \(\frac{1}{2}\) as the number of trials increases." (Assuming th…
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the movement of the progress bar may be uneven because questions can be…
B. cause vast destruction
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what happened after old king cole ordered that chopped cabbage must be …
For example, exercise 1 (42% to decimal) answer is \( E \) (0.42). (Note: The full answer would involve all exercises, but as a sample, exercise 1's answer is \( E \).)
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question 8 (mandatory) (1 point) saved the population of a village can …
a) 1999
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click the arrows to choose an answer from each menu. a line of best fit…
First blank: The point at \( x = 4, y = 3 \) (or similar, depending on options). Second blank: Between 2 and 4 (or similar, depending on options). But based on the graph, the line…
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sam and erica are playing a board game. they spin a pointer to determin…
\(\frac{1}{4}\) (corresponding to the first option, e.g., A. \(\frac{1}{4}\) if options are labeled, but based on the calculation, the answer is \(\frac{1}{4}\))
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greg tossed a number cube and recorded the results. the table shows the…
\(\frac{1}{9}\)
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a set of 3 books costs $59.99. estimate the cost of each book. options:…
\$20.00
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estimate: 13.85 + 5; options: 8, 19, 14, 16
19 (corresponding to the option with 19)
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alicia records the total number of points scored in two games by 10 pla…
The second box - plot (the one in the top right with 4, 8, 12, 15, 28 marked)
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estimate 4.58 × 3.83 25 9 20 10
20
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how did consolidation affect the railroad industry and influence modern…
It provided the means for better organization.
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enter the correct answer round to the whole number. 0.67892
1
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11. two bags each contain 10 balls, labelled with the positive integers…
The probability that the product of the numbers on the two balls is divisible by 10 is \(\frac{19}{100}\) (or 0.19).
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unit 2: multiplying and dividing rational numbers spiral review whole n…
For \(23 \cdot 17\), the answer is \(391\). For \(22.3 \cdot 7.8\), the answer is \(173.94\).
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determine whether the following table represents a linear or an exponen…
B. Linear, all of the x - values have a common difference and all of the y - values have a common difference.
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round to the hundredths place. 6.5472
\(6.55\)
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progress the movement of the progress bar may be uneven because questio…
B. sad
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order from least to greatest. 4.397 4.4 4.38 ? smallest number middle n…
smallest number: 4.38, middle number: 4.397, largest number: 4.4
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choose the correct answer identify the match. five and fifty - three hu…
5.53 (the middle option)
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7. a bag contains 40 balls, each of which is black or gold. feridun rea…
The number of gold balls is 26.
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part 3 of 4 some values of functions f, g, h, and k are provided in the…
For \( h(x) \), a possible equation is \( \boldsymbol{h(x) = 6 \times 10^x} \) (or verifying the pattern, since each term is 10 times the previous, starting from 6 when \( x = 0 \…
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use the table to answer the question. determining the rate of change an…
The rate of change is \( m = \frac{1}{2} \), and the initial value is \( b = 21 \).
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fraction, decimal, and percent equivalents - item 20201 which value is …
# Explanation: ## Step 1: Convert \(\frac{1}{25}\) to decimal To convert a fraction to a decimal, divide the numerator by the denominator. So, \(\frac{1}{25}=1\div25 = 0.04\). ## …
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which fraction is equivalent to 80%? options: $\frac{1}{8}$ $\frac{3}{5…
The fraction equivalent to 80% is \(\frac{4}{5}\) (the option with \(\frac{4}{5}\), which is the second row, first column option).
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44. julie had $237 to spend. she returned a calculator and received a $…
Julie had $303 (or 30300 cents) to spend after buying the chair.
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which sale gives the greatest percent discount? take 20% off the origin…
The option with "Original price reduced by 30%".
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read the excerpt from \dorothea lange.\ early on in her training, she s…
D. stayed away from
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which percent is equivalent to \\(\\frac{7}{25}\\) ? 28% 7% 35% 27%
A. 28%
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using a calculator, find the decimal equivalent for the fraction \\(\\f…
The option with \(0.\overline{682}\) (the one in the bottom - left among the options, with the bar over 682).
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determine the initial value and the rate of change in the following des…
The initial value is \( b = 10 \), and the rate of change is \( m = 1.7 \).
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28. you have just read \a litany for survival\ by audre lorde. how does…
In "A Litany for Survival," repetition develops the theme of resilience and collective survival. The phrase "we were never meant to survive" (and its variations) is repeated, emph…
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which of the following tables represents a function that is proportiona…
Function 1 (the table for Function 1: with \( x \) values 1, 2, 3 and corresponding \( y \) values 2, 4, 6) represents a proportional function.
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would (0,14) be the y-intercept point? yes! (0, 14) is correct for the …
To find another point, we use the half - life (6 hours) of caffeine. Since caffeine decays, at \(t = 6\) (half - life), the amount is half of the initial (\(14\) ounces). So the a…
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2. claire is digging a hole for a fence post. so far, she has dug \\(\\…
37.5 minutes
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8. you earn $100 shoveling snow from 8 sidewalks. you charge the same a…
$\$62.50$ ### Problem 9
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which is closest in meaning to prefiero la gorra roja? (1 point) you pr…
C. I prefer the red cap.
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a van travels 220 miles on 11 gallons of gas. at that rate, how much ga…
23 gallons
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under 30. 12 in illinois, a person has to be at least 16 years old to h…
To represent the age requirement (at least 16) on the number line, place a closed circle at 16 and draw an arrow pointing to the right (towards 18, 20, and beyond).
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write a function that models the data. | x | y | |---|-----| | 0 | 250 …
\( y = 250(0.6)^x \)
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scenario: the number of students in each classroom must be under 30. in…
Inequality: \( s < 30 \) Number line graph: Open circle at 30, shading to the left.
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write a function that models the data. | x | y | |---|-----| | 0 | 250 …
\( y = 250(0.6)^x \)
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(04.04r mc) the golf clubs have been sorted into woods and irons. the n…
A. 4
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which excerpt from \the scarlet ibis\ most foreshadows that the narrato…
C. There is within me (and with sadness I have watched it in others) a knot of cruelty borne by the stream of love, much as our blood sometimes bears the seed of our destruction, …
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read the excerpt from \daughter of invention\. \ya, ya!\ she waved them…
She does not want to dwell on something that cannot be changed.
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read the excerpt from \daughter of invention\: \maybe not. maybe, just …
A. Anything can be accomplished. With patience and calm, even a burro can climb a palm.
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ngoc wants to find the decimal equivalent of \\(\\frac{29}{9}\\), so sh…
The next three digits are 2, 2, 2. - First blank: 2; Second blank: a repeating decimal; Third blank: 2.
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which of laura’s misquoted idioms from \daughter of invention\ is inten…
C. "It's half of one or two dozen of another."
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e of tasmanian wolf t years after 1900. graph the exponential unding to…
The coordinate for the first point (year 1900, \( t = 0 \)) is \(\boxed{(0, 187)}\) (assuming the first population value is for \( t = 0 \); adjust if the table's first value corr…
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6 ximena studied no less than 20 minutes for her math test.
The graph should have a closed circle at 20 and an arrow pointing to the right (towards values greater than 20) on the number line.
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5 the maximum speed limit is 70 miles per hour on interstate highways 6…
The point at 70 on the number line (the mark labeled 70) represents the maximum speed limit.
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which of the following best describes alliteration? the repetition of u…
A. The repetition of usually initial consonant sounds in two or more neighboring words
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1. clare reads 24 pages in 60 minutes. she spends the same amount of ti…
2.5 minutes ### Problem 1b
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lesson 8 | session 3 3 a stack of 50 exercise cards is 1.9 cm thick. al…
The thickness of one card is \( 0.038 \, \text{cm} \) ### Problem 4
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living on your own use the information below to answer the question. tr…
B. alignment with long - term financial objectives
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living on your own (use the information below to answer the questions. …
to avoid committing too swiftly
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4 you must be 25 or older to book an airbnb apartment. 21 22 23 24 25 2…
The correct representation has a closed circle at 25 and an arrow pointing to the right (towards 26, 27, etc.).
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robbie says 1.4 is equivalent to 14%. della says 1.4 is equivalent to 1…
To find the percent equivalent to the number 1.4, find the **product of 1.4 and 100** (or "move the decimal point two places to the right"). The number 1.4 is equivalent to **140%…
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14. 15. 16. a cell phone company charges $50 a month for phone service …
| Texts | 25 | 50 | 100 | 200 | |-------|----|----|-----|-----| | Total Cost | $51.25$ | $51.50$ | $\boldsymbol{55}$ | $\boldsymbol{60}$ | ### 17a & 17b Solution: #### 17a:
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living on your own use the information below to answer the question. ex…
congruent
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how many times greater is the value $6 \\times 10^8$ than the value 300…
\(2\times10^{6}\) (the fourth option: \(2\times10^{6}\))
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what term means to disagree with the majority opinion on the supreme co…
D. dissent
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2 jack ran more than 15 miles this weekend. 2 4 6 8 10 12 14 16 18 20
To graph "Jack ran more than 15 miles" (\( x > 15 \)) on the given number line: Place an open circle between 14 and 16 (since 15 is not a tick mark but between 14 and 16) and draw…
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3. why is it important to find the lowest interest rate you can when ta…
A slightly lower rate could mean that you pay back far less money over the life of the loan.
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11. it was astounding. a going up b attacking c amazing d standing arou…
To solve this problem, we analyze the meaning of "astounding" and compare it with the given options: - Option A: "going up" means ascending or increasing. This has no relation to …