統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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london walked 12 miles in 8 hours. what was her walking rate in miles p…
1.5 miles per hour
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current skill \\$ \ convert 46.02% to a decimal.
\( 0.4602 \)
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12 the bar diagram represents 12 months in a year. if you sleep 33% of …
3.96 months
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at tristan’s store, the cost of nine pounds of beans is $29.00. at marq…
At Tristan's store, $\boldsymbol{1}$ pounds of beans cost $\boldsymbol{3.22}$. At Marques' store, $\boldsymbol{1}$ pounds of beans cost $\boldsymbol{3.31}$. $\boldsymbol{Tristan's…
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gretta is a baker and is using some of her oil in a new recipe. the sha…
25%
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the shaded portion of the strip diagram below represents the portion of…
50%
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ahab is on his schools wrestling team. the shaded portion of the strip …
\( 70\% \)
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welcome to math challenge #9. this challenge invites you into the world…
25 cents ### Problem 2:
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hopping elcome to math challenge #9. this challenge invites you into th…
25 cents ### Problem 2:
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at amadou’s store, the cost of nine pounds of rice is $31.00. at idil’s…
At Amadou's store, $\boldsymbol{36}$ pounds of rice cost $\boldsymbol{\$124.00}$. At Idil's store, $\boldsymbol{36}$ pounds of rice cost $\boldsymbol{\$127.00}$. $\boldsymbol{Amad…
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vocabulary choose the correct term from the vocabulary box. 1 a ______ …
multiple 2.
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why was churchills use of language effective? it uses complicated sente…
It had persuasive words.
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perform the operations and, if possible, simplify. \\(\\frac{2}{3} - \\…
$\frac{7}{9}$
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understanding percents 1 emma is saving for a bicycle that costs $300. …
Emma has saved $180. ### Problem 2: Justin's Illustrations
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name: santiago c period 3rd 7th math - homework week 22 1. a streaming …
$y = 2.5x + 10$ ### Problem 2A: Proportional or Non - proportional
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8-41. as khalil and jomari practice for the sat, their scores on practi…
a. 7 weeks b. Joman will score the highest.
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3. determine if 12:16 and 72:96 are equivalent ratios.
Yes, 12:16 and 72:96 are equivalent ratios.
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across human history, fewer than a thousand people have had the privile…
B. Witnessing the fragility of Earth from space causes many astronauts to become more passionate about protecting it. ### Part B
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2. abe’s apple orchard plants both green apple trees and red apple tree…
$6:7$ (or $\frac{6}{7}$)
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verbs -ar tomar to take ; to have (to have a meal) cenar to have dinner…
"tomar" means "to take; to have (to have a meal)"
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solve each of the problems b sure to ask questions if you n i can give …
$\frac{5}{21}$
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11. jasper hikes 4 miles per hour. the function rule that represents th…
--- ### Problem 11 Completed Table: | Hours ($x$) | $4x$ | Miles ($y$) | |-------------|------|-------------| | 2 | $4*2$| 8 | | 3 | $4*3$| 12 | | 5 | $4*5$| 20 | Graph: A straigh…
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20 in line 26, what is the meaning of weaved? a zigzagged b draped c in…
C. interlaced ### Question 21
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grade 7 english language arts/reading the road stretched ahead of us. t…
A. The reader can understand how beautiful the drive is. ### Question 18
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what word means the study of the environment, resources, and how people…
B. Geography
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text 1: in 1929, the american stock market crashed, setting off a chain…
A. While the author of Text 1 believes that the New Deal was notable for effects on both the American economy and Americans’ attitudes toward their country, Roosevelt viewed the N…
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5. for admission to a concert at the state fair, child tickets cost x d…
(Part A): A child ticket costs $\$4$, an adult ticket costs $\$6$.
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the three data sets have the same mean and range, but is the variation …
(b) \( 3, 4, 8, 11 \) has the smallest variation; (a) \( 3, 3, 9, 11 \) has the largest variation.
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diet cola preference a recent survey of a new diet cola reported the fo…
40.3
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use the box - and - whisker plot to answer the questions below. (a) whi…
The same number of fish had a length under 50 as had a length over 50. ### Part (b)
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company | price | # of minutes ab & c | $10 | 100 benzon | $24 | 150 ci…
$\$0.19$ per minute
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7. t.21(a) complete the representations of a portions web for the follo…
All portions are already correctly matched and complete: - Fraction: $\frac{3}{5}$ - Decimal: $0.6$ - Percent: $60\%$ - Words: three fifths
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9. 7-21(c) complete the representations of a portions web for the follo…
Fraction: $\frac{4}{25}$ Decimal: $0.16$ Words: sixteen hundredths
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a high school wants to determine the difference between the proportions…
A. (-0.163, 0.060)
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most states have a winner - take - all system for the electoral college…
- Martinez: 5,000,001; Johnson: 5,000,000 - Martinez: 9,000,000; Johnson: 1,000,000
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in the electoral college, the total number of electors for each state i…
Florida Alaska
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2. of 350 solitaire games that jay played, he won 154 times. what perce…
$\frac{154}{350} = \frac{n}{100}$ $n = 44$ Jay won 44% of the solitaire games he played.
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hh.9 identify representative, random, and biased samples 5v3 ruth, a ta…
yes
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leveled practice in 1–2, fill in the boxes to solve. 1. a bike path is …
$\frac{p}{12.5} = \frac{70}{100}$ $p = 8.75$ The distance Dominic has biked on the path, $p$, is 8.75 miles.
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hh.9 identify representative, random, and biased samples 5v3 ernest exa…
yes
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michelle questioned 2 violinists in the national orchestra. is this a r…
no
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challenge the table lists recommended amounts of food to order for 19 p…
Fried Chicken: 80 pieces Deli Meats: $14\frac{1}{6}$ pounds Lasagna: $26\frac{7}{8}$ pounds
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eliana decided to interview two of the six city council members. she la…
yes
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which of the following statements demonstrates the meaning of the word …
C. Zoe is extremely good at drawing.
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with decimals study the example showing how to estimate a difference us…
The estimate is enough. Because Latasha wants "about" 5.5 liters for her party, and in a party - planning context for a beverage like apple cider, a precise exact answer is not ne…
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challenge the table lists recommended amounts of food to order for 19 p…
80
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choose the symbol that correctly compares the two decimals below: 63.99…
\( 63.99 > 63.67 \) (the symbol is \( > \)) ### Second Question (Deciding Factor)
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4 carlo is playing a game with the cards shown. he draws cards at rando…
(example): Cards: \( -2 \) and \( -3 \); Product: \( 6 \) (or other same - sign cards, e.g., \( 2 \) and \( 3 \), product \( 6 \)) ### Part b
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7. a function has selected values given in the table below: | $x$ | 0 |…
To determine a function is linear, the difference between consecutive \( f(x) \) values (for \( x \) increasing by 1) must be constant. Here, the differences between \( f(x) \) va…
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write each fraction as a decin 1 $\frac{2}{10}$
0.2
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7. parv built a race car to race against mai use this information to ma…
### Problem 7 (Graphing \( p(t) \)) # Explanation: ## Step 1: Analyze \( p(8) < m(8) \) At \( t = 8 \) seconds, Parv’s car distance (\( p(8) \)) is less than Mai’s (\( m(8) \)). S…
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6. which of the following sequences of numbers shows exponential growth…
(2) 4, 16, 64, 256
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2 andre and jada both found 657 ÷ 3 by using partial quotients, but the…
- **Same**: Both use partial - quotient division for \(657\div3\), end with quotient \(219\), and subtract multiples of \(3\) to reach \(0\). - **Different**: The partial multiple…
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use the box - and - whisker plot to answer the questions below. (a) wha…
20 ### Part (b)
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example latasha has 2.73 liters of apple cider. she wants to have about…
The estimate is enough. This is a situation about preparing apple cider for a party. For such a context, a rough estimate of the amount of additional cider needed is sufficient, a…
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solve. 3 write and simplify a multiplication expression for each proble…
The multiplication expression is $(-8) \times 4$, simplified to -32. The product means the temperature dropped by 32 degrees after 4 hours. ### Part b
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problems 1–2: mai built a model race car for a school competition. m(t)…
\( m(\boldsymbol{6}) = 10 \), \( m(10)=\boldsymbol{12} \), \( m(22)=\boldsymbol{22} \), \( m(\boldsymbol{28}) = 46 \) ### Problem 2
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solve. use estimation to check the solution. 10 mrs. wong drove between…
297 miles
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rosa parks rosa parks was part of the civil rights movement. on decembe…
D. said no ### Part B
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world war ii and the u.s. economy based on this graph and your knowledg…
C. U.S. entry into World War II.
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shy gilbert gilbert the groundhog was a very shy animal. he loved stayi…
A. timid ### Part B
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question 4 a comic book collector used the function $f(t) = 0.35(1.1)^t…
D. The original price of the comic
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question 3 adam used the function $c(x)=50(0.75)^x$ to model the balanc…
D. Adam deposited $50 into his checking account.
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the numbers of students in the 9 schools in a district are given below.…
It stays the same. ### Part (b)
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knowledge check question 4 below is the table of values of a function. …
\( n + 5 \)
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read the description of a proportional relationship. the mountain goats…
670
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the number rolled will be recorded as the outcome. give the sample spac…
Sample space: $\{1, 2, 3, 4, 5, 6\}$ Event of rolling the number 1, 3, or 4: $\{1, 3, 4\}$
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3. next year, frank plans to complete a longer triathlon. it will consi…
The correct options are: - A. swim 1.8 km in 1.2 h, bike 25 km in 1.13 h, and run 17 km in 2.5 h - B. swim 1.2 km in 0.85 h, bike 21 km in 0.88 h, and run 9.5 km in 1.3 h - E. swi…
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another look! this is \\(\\frac{3}{4}\\) of a string cheese snack. how …
1. Draw a bar divided into 3 equal parts (each labeled $\frac{1}{3}$), $1 = \frac{3}{3}$ 2. Draw a triangle divided into 6 equal smaller triangles (each labeled $\frac{1}{6}$), $1…
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emma got 90% of the questions on her math test correct. if she answered…
There were \( \boldsymbol{40} \) questions on the test, so Emma got \( \boldsymbol{4} \) questions wrong.
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which number line models $-5 + (-8)$? add. $-5 + (-8) = \\square$
The number line that models \(-5 + (-8)\) is the first one (the top number line). And \(-5 + (-8)=\boxed{-13}\)
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wednesday - additive or multiplicative? thursday - complete the table. …
Additive ### Thursday: Complete the Table
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click on the parts of the grid to shade 30% of the whole grid.
Shade 6 cells of the 20 - cell grid (e.g., any 6 cells like the first 6 cells in the grid).
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shamus owes his parents $162. he pays them 60% of the $45 he earns as a…
6
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an artist uses 18 colors on an art palette to paint a picture. this is …
25
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jasmine has a collection of 80 seashells. of all the seashells in her c…
28
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which sign makes the statement true? 3.35? 3\\frac{3}{5} > < =
\(3.35\ <\ 3\frac{3}{5}\), so the sign is \(<\) (the option with \(<\) symbol).
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there are 14 apples and 26 oranges in a picnic basket. what fraction an…
\(\frac{13}{20} = 65\%\)
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add: -19 + -18 + 5 + -11 + 7 = \\boxed{ } save answer
-36
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solve. enter the correct answers in the boxes. $67\\%$ of $180 = \\squa…
For \( 67\% \) of \( 180 \), the answer is \( 120.6 \). For \( \square\% \) of \( 400 = 104 \), the answer is \( 26 \). For \( 55\% \) of \( \square = 11 \), the answer is \( 20 \…
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what is 130% of 9?\ \\(\\frac{x}{130} = \\frac{9}{100}\\)\ \\(\\frac{x}…
The correct proportion is \(\boldsymbol{\frac{x}{9}=\frac{130}{100}}\) (the middle option). And the value of 130% of 9 is \( 11.7 \)
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what percentage of the flowers in the garden are white? 20% 40% 60% 90%
60% (Option: 60%)
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5. in the table below, data is represented from a two - variable distri…
C) 28.2 --- ### 문제 6
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there are 3 people who want to share 23 ride tickets for the carnival. …
Number of tickets each person will get = 7 Number of tickets left over = 2
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10. tessa is on the track team. for practice and exercise, she runs 2.2…
31.5 miles
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choose the symbol that correctly compares the two decimals below: 65.5 …
\(>\) ### Second Sub - Question (Deciding Factor)
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monday - jeff needs at least 75 dollars to buy the bicycle he wants. he…
s: - Monday: D - Tuesday: B
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create a scatter plot for the data. number of hours worked | amount spe…
A scatter plot with the following points plotted: - (1, 3), (3, 2), (6, 4), (8, 5), (9, 9), (10, 8), (13, 10) (With the horizontal axis labeled "Number of hours worked" and vertic…
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a small plane’s maximum takeoff weight is 2100 pounds or less. six pass…
\(x\leq1200\) (or \(\{x\mid x\leq1200\}\)) ### Part b:
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review the claim and the two pieces of evidence. independent of their m…
Evidence B does not directly support the claim. It does not talk about how words sound independent of their meanings.
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consider this claim: independent of their meanings, some words have a m…
Evidence A: A linguist analyzed lists of words that sound the most beautiful to English speakers. He noted sound - related trends among the "beautiful" words, such as having three…
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antonyms choose the word from this unit that is most nearly opposite in…
s: 1. construct 2. pseudonym 3. impermeable 4. elegance 5. coherent
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16. two out of every 5 customers at a restaurant use cash to pay for th…
40% ---
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proportional relationships e goal of the review sheet is for students t…
1. 27 batches 2. $\$0.84$ per square foot
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choose the word from this unit that is the same or most nearly the same…
To solve these synonym questions, we analyze each boldface word and find a matching term (assuming common vocabulary from a typical English unit): ### 1. needs to enunciate words …
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use the table for problems 7 and 8. 7. kaiba finds how far his house is…
1. $\frac{1}{2}$ mile 2. 1 mile 3. Sum of the rocks' weights: $\frac{5}{8}$ pound; Difference of the rocks' weights: $\frac{1}{8}$ pound. To model, use a fraction bar divided into…
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14. a machine makes 18 parts each hour. if the machine operates 24 hour…
432
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4. a machine makes 18 parts each hour. if the machine operates 24 hours…
432
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13. camp oaks gets 32 boxes of orange juice and 56 boxes of apple juice…
11
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12. there are 6 muffins in a package. how many packages will be needed …
16