统计与概率
数据分析、概率分布、假设检验与统计方法。
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students may take prescribed medication and over - the - counter drugs …
D. to allow students to take any drugs they are legally allowed to take at school
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a town has a population of $1.239 \\times 10^5$ and shrinks at a rate o…
$P = (1.239 \times 10^5)(1 - 0.094)^7$
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try it tomorrow! write the equation for the relationship represented in…
Equation: $y = x - 15$ Additive or Multiplicative: Additive
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a town has a population of $1.23 \\times 10^4$ and grows at a rate of 6…
$P = (1.23 \times 10^4)(1.067)^4$
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mayumi rides her bike around a park. each lap around the park is \\(\fr…
Mayumi rides 4.5 laps, which is located halfway between 4 and 5 on the number line (the second tick mark after 4).
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clothing online an online clothing company sells custom sweatshirts. th…
$y = 5.00x + 3.50$ The slope of the linear function would increase by 3.50, changing the rule to $y = 8.50x$
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during world war ii, the russians moved factories to the region and eve…
1. The six empires, nations, and culture groups that impacted Central Asia's history are the Persians, Alexander the Great's Macedonian Empire, the Arabs, the Mongols, the Russian…
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prompt: write a five - paragraph essay about shakespeare’s use of setti…
The given essay draft has a strong introduction and a detailed analysis of the setting of Athens. To fully address the prompt, two more body paragraphs (on symbols and tone) and a…
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7. the prefix in- means \in\ or \into.\ it changes to im- when it combi…
impel
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sharon is making latkes, a kind of potato pancake. she needs \\(\\frac{…
$\frac{16}{3}$ or $5\frac{1}{3}$
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6. two greek words, anthos, meaning \flower,\ and legein, meaning \to g…
anthology
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5. the greek word pseudes means “false.” combined with the greek word f…
pseudonym ### Question 6 (Assuming it's about Greek word combinations, but since the question is cut off, if we assume a common one like for "love" (eros) and "word" (logos) givin…
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4. the prefix an- means \without.\ it combines with the greek word onum…
anonymous
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2. the prefix re- also means \again.\ it combines with the latin verb c…
recur
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1. the prefix re- means “back.” it combines with the latin verb salire …
resilient
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1. nicole usually scores between 89% and 100% on her math quizzes, unle…
1. B Between 79% and 89% 2. C $32.20 3. A $60 4. 10.75
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1. rich added 26.2 milliliters of water to a solution in science class.…
B 15.93% ---
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shows the function relating javier’s remaining balance to the number of…
a. The x-intercept is $\boldsymbol{6}$ The y-intercept is $\boldsymbol{1950}$ b. The x-intercept means that after $\boldsymbol{6}$ months, Javier's remaining balance will be $\bol…
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last, nadia crosses a 13-meter pool. how many logs does nadia need? 3 w…
$\frac{13}{4}$ or $3\frac{1}{4}$ (Which means 3 whole logs and $\frac{1}{4}$ of a log)
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alexa is trying to pick out an outfit for the first day of school. she …
\(576\)
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every saturday, juan and his friends get together for lunch. this week,…
7.5
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6.6b (response—write response)/6.6g (response—explicit/implicit meaning…
(Example response structure, adjust for actual story content): **Hook**: "In 'Mystery House,' Chelsea’s journey through a daunting challenge reveals how strength in adversity shap…
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which value of r represents data with a strong negative correlation bet…
-0.89
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wave height 3 6 5 1 4 number of surfers 24 61 56 15 35 using the line o…
B. 80
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6.6b (response—write response)/6.6g (response—explicit/implicit meaning…
To write the response, follow these steps: 1. **Understand the Story**: Recall or re - read "Mystery House" to identify Chelsea’s difficult situation (e.g., moving to a new town, …
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tell whether the relationship is proportional. explain your reasoning. …
No; the ratio of y to x is not constant for all pairs of values, so the relationship is not proportional.
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(continued on next page) the math learning center | mathlearningcenter.…
To determine the time on each clock, we analyze the position of the hour and minute hands: ### First Clock (Top) - **Hour Hand**: Between 2 and 3, so it is 2 o'clock. - **Minute H…
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6.2b (vocabulary—context) m 6. read the sentence from paragraph 22 of t…
D. strange
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tell whether the relationship is proportional. explain your reasoning. …
Yes, the relationship is proportional; the ratio of y to x has a constant value of 8. To complete the sentence: **Yes**; **a constant value of 8**
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read the description of a proportional relationship. every sunday, josi…
\( 3x \)
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a theater charges a service fee of $0.95 per ticket bought online. let …
| $n$ | 1 | 3 | 6 | |-----|---|---|---| | $t$ | $\$$0.95 | $\$$2.85 | $\$$5.70 |
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to make an orange fizzy drink, noah mixes 4 scoops of powder with 6 cup…
B. Noah's recipe has a stronger orange taste.
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collette runs 6.5 kilometers each week. let ( d ) represent the total d…
For $w=2$, $d=13$; for $d=19.5$, $w=3$; for $w=5$, $d=32.5$ Filled table: | w | 2 | 3 | 5 | |---|---|---|---| | d | 13 | 19.5 | 32.5 |
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4 challenge how many minutes are there in the following fractions of an…
s: - $\frac{2}{4}$ of an hour: 30 minutes - $\frac{3}{4}$ of an hour: 45 minutes - $\frac{1}{3}$ of an hour: 20 minutes - $\frac{1}{6}$ of an hour: 10 minutes - $\frac{5}{6}$ of a…
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(7.1a; 7.1b; 7.10) 4. three pipes in a school building are leaking. aft…
C. Pipes A and C are leaking at the same rate.
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read the description of a proportional relationship. mauras space shutt…
20
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there are 78 children playing in the kids zone. if mr. smith gives 250 …
Each child will get 3 pencils and 16 pencils will be left.
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which function shows a fabric with a price of $1.25 per square yard? pr…
The third option (the graph of Price of Fleece)
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13. multistep tomas makes balloon sculptures at a circus. in 180 minute…
### Part a #### Step 1: Time per sculpture To find the time to make one sculpture, divide total time by number of sculptures. Total time = 180 minutes, Number of sculptures = 36. …
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4. the word \depleting\ in paragraph 6 most closely means — a. apprecia…
B. draining
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read the description of a proportional relationship. maura’s space shut…
3
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debi walks laps around the mall for exercise during the winter months. …
One lap around the mall is equal to 2,425 steps
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2. multiple choice questions (3 points each, 24 points in total)【得分：】 1…
B. Invisible culture ### Question 2
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aaron tracks the time it takes him to mow lawns by writing coordinate p…
Aaron's rate for mowing lawns is 0.5 acres per hour.
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4. a bottle of ketchup contains 14 ounces and costs $1.68. let c equal …
D 0.12, as in $C = 0.12w$
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the table shows the height of water in a pool as it is being filled. he…
The height of the water increases 2 inches per minute.
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14 numeric 5 points on a trip, keisha drove 1,260 miles using 60 gallon…
21
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use rate reasoning to convert within measurement systems 1. angela has …
12 quarts ### Problem 2:
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read the description of a proportional relationship. mauras space shutt…
\( 4x \)
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13 multiple choice 5 points the table shows the relationship between th…
275 (corresponding to the option: 275)
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12 multiple choice 5 points rolando surveyed 35 classmates about their …
1 to 4
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find the mean, standard deviation, and five - number summary for the da…
The standard deviation is 13.7 Five-number summary: 8, 19, 27.5, 39, 51
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3 10 in all ______ are left. 4 5 in all ______ are left. 5 9 in all ___…
1. 7 are left. 2. 0 are left. 3. 5 are left. *(Note: Question 6 has no visual content provided, so it cannot be solved with the given information.)*
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a high - speed elevator can rise 480 feet in 30 seconds. which expressi…
B. 480 × 2 (assuming the options are labeled as A: 480 × 30, B: 480 × 2, C: 480 ÷ 2, D: 480 ÷ 30)
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name another look! 4 are left. are left. additional practice 7 - 1 expl…
1. $\boldsymbol{7}$ are left. 2. $\boldsymbol{1}$ is left. Carlos' 10-cube problem: $\boldsymbol{7}$ cubes are left. Carlos' 7-cube problem: $\boldsymbol{2}$ cubes are left.
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9. higher order thinking roger made a table showing how he spends his t…
$\frac{8}{3}$ (or $2\frac{2}{3}$) days. This means after $2\frac{2}{3}$ days, Roger will have slept the equivalent of one full day.
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3 10 in all ______ are left. 4 5 in all ______ are left. 5 9 in all ___…
1. 2 are left. 2. 0 are left. 3. 5 are left. 4. 5 are left.
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a recipe for lemonade calls for 1 cup of sugar and 5 cups of water. how…
$\frac{1}{5}$ cup (corresponding to the option with $\frac{1}{5}cup$)
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consider the tables created with fahrenheit and celsius temperatures. t…
The first table (with \( C = -20 \) corresponding to \( F(C) = -4 \), \( C = -15 \) corresponding to \( F(C) = 5 \), and \( C = -5 \) corresponding to \( F(C) = 23 \)) is the corr…
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three bananas cost $0.99. at this rate, how much do 5 bananas cost? ans…
1.65
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lin rode her bike 2 miles in 8 minutes. she rode at a constant speed. c…
4
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interpreting slope from a table rohit visited a pumpkin patch with his …
For each additional pound, the price increases $1.50.
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read the description of a proportional relationship. craig is participa…
3
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4 multiple choice 5 points which fraction shows the unit rate that is e…
D. \(\frac{9}{1}\)
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can you match the data types with the best graph for displaying that in…
- Line graph: Daily temperatures in New York City over 3 years, Plant height versus distance from a water source, Continuous data - Bar graph: The scores of 5 students on their fi…
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a bag contains 120 marbles. some are red and the rest are black. there …
114
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bookworm.com sells its audio books at the same rate and are currently a…
92.40
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1 multiple choice 5 points great wolf lodge charges $192.00 for three n…
C. $64.00
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4) circle the table or tables that show a proportional relationship. sh…
The first and third tables show a proportional relationship.
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use the initial term and the recursive formula to find an explicit form…
$\frac{5}{16}$
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read out loud instead of quietly to yourself. multi - task while readin…
1. (For the unnumbered active reading question) Ask and answer questions while reading. 2. (Question 9) To mark up a text with notes. 3. (Question 10) Yes. Critical reading usuall…
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question 7 (1 point) listen according to the chapter, what is wrong wit…
1. Question 7: All of these. 2. Question 8: Ask and answer questions while reading. 3. Question 9: To mark up a text with notes.
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write the multiplication equation this number line models.
$6 \times (-12) = -72$
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read the description of a proportional relationship. craig is participa…
12
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department of consumer affairs (dca) return of security deposits landlo…
D. well - known
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clear voice wireless: policy on resetting used smartphones when receivi…
B. immoral
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astronaut requirements update astronaut requirements have changed with …
D. standards on which the selection will be made.
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requirements for new windows new windows must meet specific safety requ…
D. a way to exit
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6.3) ______ in order for americans to be united, their diversity must u…
6.3) D. equality and individualism 6.4) A. Tocqueville feared that the desire to be equal was of more importance to the American people than freedom. 6.5) C. Early immigrants typi…
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richard has 4 times as many books as xavier. how many books does xavier…
1. Xavier has 5 books. 2. The blank box next to Richard's tape diagram should be labeled 20.
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making signs claire and alison are making signs for all the lockers as …
1. The steeper line (with points A, B, D) represents Alison's progress. The flatter line (with points C, A) represents Claire's progress. - Explanation: Alison started today with …
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read the description of a proportional relationship. craig is participa…
\( 6x \)
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2. onetta biked 325 miles in 5 days. if she biked the same number of mi…
65 miles
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identifying irony 3 name: directions: read the following examples of ir…
1. Which type of irony is used? Dramatic Irony Explain your answer: The reader knows the "robbery" is a movie scene, but Scott (the character) does not, so the audience understand…
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6. what division problem does the model show?
The division problem is \(54\div3 = 18\)
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uses objective e in 17–21, calculate the rate for the given situation. …
10 miles per hour ### Question 17b:
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17) mari bought 6 packets of tomato seeds. each packet contained 24 see…
B. Between 50 and 100 seeds will sprout.
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5. read very carefully 18:23-35 and then tell the story of the unforgiv…
### Section 1 (Matthew 18) 1. A servant owed a king an impossible debt, begged for mercy, and the king canceled it. But this servant refused to forgive a small debt from a fellow …
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16) the table shows the types of movies and the numbers of dvds rented …
$\frac{4}{5}$ (corresponding to the option "4/5")
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15) a bag of fruit contains 3 apples, 2 oranges, 1 banana, and 4 pears.…
B. 2/45
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14) the list below shows the number of shirts of different types that s…
25
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13) bailey will roll a number cube and flip a coin for a probability ex…
A. 5, Heads; 5, Tails; 6, Heads; 6, Tails
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keilantra has $660 to spend at a bicycle store for some new gear and bi…
Inequality: $37.26x + 529.59 \leq 660$ (or simplified to $37.26x \leq 130.41$) Keilantra can purchase at most 3 outfits.
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11) if you spin the blue spinner and yellow spinner, what is the probab…
\(\frac{1}{50}\) ### Question 12
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the phantom rickshaw by rudyard kipling (adapted excerpt) this excerpt …
The option with "Acknowledge as real or true" (the second option in the list of choices).
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represent and find the number of equal - sized parts 1 model with mathe…
\( 10 \) ### Problem 3: \( 4 \div \frac{1}{4} \)
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select the correct answer. read the following sentence from the excerpt…
C. workers
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4.21) in his writing, shakespeare often uses ____________ ____________,…
inverted syntax (or "inversion" can also be acceptable, but "inverted syntax" is more precise here)
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2. jayne ordered 2 shakes and 4 hamburgers for $25.98. hector ordered 1…
a. Hector's order is exactly half of Jayne's order: he ordered 1 shake and 2 hamburgers, which is $\frac{1}{2}$ the quantity of Jayne's 2 shakes and 4 hamburgers, and his total co…
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a box of whole wheat spaghetti contains 2 servings and has 7 grams of f…
3.5 grams of fiber per serving