Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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does the relationship in this table represent a proportional relationsh…
The relationship **does** represent a proportional relationship.
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what is 40% of 90?
36
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if the rate of inflation is 4.1% per year, the future price $p(t)$ (in …
Current price: $\$600$ Price 8 years from today: $\$826$
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what is 70% of $10? $\\square
$7$
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fill in the missing number. 20% of 15 = \\square
3
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which table shows a proportional relationship between x and y? option 1…
The table with $x$ values 1, 5, 8, 10 and $y$ values 15, 75, 120, 150 (the second option) shows a proportional relationship.
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what is 25% of 32?
8
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what is 10% of 50?
5
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what is 90% of $10? $□ submit
$9$
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a cars distance traveled is monitored over time. the results are displa…
55
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naomi ordered a set of beads. she received 200 beads, and 73% of them w…
146
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last tuesday was silly hat day at hansens school. of the 100 students a…
7
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96% of the 700 runners in a marathon were women. how many women ran the…
672
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b. list two different combinations of coins, each with a value of 150% …
Combination 1: 1 dollar coin and 1 half - dollar coin. Combination 2: 1 dollar coin and 5 dimes. (Other valid combinations are also acceptable, e.g., 3 half - dollar coins, 15 dim…
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85% of the tickets sold at a school carnival were early - admission tic…
170
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this table represents the number of hours dana worked and the amount of…
The paired values in the table **represent** a proportional relationship, because the ratio of money earned to hours worked is **constant (equal to 10)**.
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last tuesday was silly hat day at derek’s school. of the 800 students a…
440
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ed ordered a set of beads. he received 9,000 beads, and 15% of them wer…
1350
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4. noah bought 6 bracelets for $8.28. at this rate: a. how many bracele…
10 ### Part b
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at hayleys hats, 35% of the 20 hats are baseball caps. how many basebal…
7
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in paragraph 1, the author says that before world war i, the u.s. gover…
A. The government's role in day - to - day life was not clear to people.
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this morning, cameron took a history test. there were 80 multiple - cho…
52
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the table of paired values represents a proportional relationship. | x …
C. 5
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15% of the tickets sold at a water park were child tickets. if the park…
123
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the table of paired values represents a proportional relationship. | x …
2
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the state transportation commission counted cars traveling east and wes…
407
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algebra 1 sem2 lesson 2.2 - using gcf to factor < 9 of 9 1 2 3 4 5 6 7 …
(3x-4)(x^2+3)
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there are 700 hotel rooms in bellas city. during a convention, 20% of t…
140
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is the relationship proportional? a 2 4 6 8 10 b 8 16 24 32 40 select t…
True
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cassie brought chocolate and vanilla cupcakes to school for her birthda…
60
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is the relationship proportional? x: 1, 3, 5, 7, 9 y: 4, 10, 16, 22, 28…
False
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richard’s city took a telephone poll about a plan to build a new hotel …
72000
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there are 10,000 houses in gavins town. last summer, 70% of the houses …
7000
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jose is a software salesman. let y represent his total pay (in dollars)…
\(70\) ### Part (b)
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lexi has a new beaded necklace. 10% of the 60 beads on lexis necklace a…
6
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is the relationship proportional? x 3 6 9 12 15 y 6 12 18 24 30 select …
True (The relationship between x and y is proportional.)
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philip took a math quiz last week. there were 40 problems on the quiz a…
28
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13a. mary is making punch for a party. she makes 95 ounces of punch. sh…
Number of 6 - ounce glasses: 15; Number of 8 - ounce glasses: 11 ### Part 13b
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there are 85 seats on a train. 80% of the seats are empty. how many emp…
68
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maries tea shop has caffeinated tea and decaffeinated tea. during the l…
3
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estimate the sum. round each number to the nearest hundred, then add. $…
700
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the lunch choices last friday were mushroom or pepperoni pizza. the caf…
63
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the local water slides have 68 employees, of which 75% are temporary. h…
51
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at whitneys hats, 40% of the 50 hats are baseball caps. how many baseba…
20
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fill in the missing number, □% of 700,000 = 70,000
10
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name : 1. what percentage of a dollar is the value of each coin combina…
15% #### Part b: 2 dimes and 7 pennies
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6 is what percent of 15? write your answer using a percent sign (%). su…
\(40\%\)
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complete the following statement. write your answer as a decimal or who…
30
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here is a table of paired values. | x | 0.3 | $1\\frac{1}{3}$ | 1.5 | $…
$\frac{y}{x} = \frac{1\frac{1}{2}}{0.3} = 5$ $\frac{y}{x} = \frac{6\frac{2}{3}}{1\frac{1}{3}} = 5$
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complete the following statement. write your answer as a decimal or who…
100
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complete the following statement. write your answer as a decimal or who…
100
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complete the following statement. write your answer as a decimal or who…
20
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the paired values in the table represent a proportional relationship. f…
5
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13a. mary is making punch for a party. she makes 95 ounces of punch. sh…
Number of 6-ounce glasses: 15 Number of 8-ounce glasses: 11
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fill in the missing number. \\boxed{}% of 4,000 = 2,400
60
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$22,500 is what percent of $30,000? write your answer using a percent s…
75%
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complete the following statement. write your answer as a decimal or who…
50
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find the average rate of change over the interval 10, 40
-6.7
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select the correct answer. which of these words most clearly means \poi…
B. perspective
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36 is what percent of 48? write your answer using a percent sign (%).
75%
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fill in the missing number. □% of 80 = 20 submit
25
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find the average rate of change over the interval 40, 80
15
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drag and drop to match the meaning to the images from \the morns are me…
- the berry's cheek → the state of the skin of the fruit - a gayer scarf → the color of the leaves fallen onto the fields - the scarlet gown → the color of the leaves changing on …
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select all the ratios equivalent to 2:4. □ \\(\\frac{1}{2}\\) □ \\(\\fr…
$\frac{1}{2}$, $\frac{4}{8}$, $\frac{6}{12}$
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select from the drop-down menus to complete each statement. the ratio r…
The ratio represented by the tape diagram on top is $\boldsymbol{2:4}$ (or simplified $\boldsymbol{1:2}$), and the ratio represented by the tape diagram on bottom is $\boldsymbol{…
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the race to build the transcontinental railroad 1 the completion of the…
A. Triumph – It conveys pride and success
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the peachtree road race: a race like no other dave morrow 1 a common go…
D. suggest positive things about the peachtree road race
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how does the author’s use of the word \binge\ in the last sentence impa…
The word "binge" (often associated with excessive but enjoyable activities like a Netflix binge) is used playfully. It makes the concept of scheduling free time more relatable and…
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determine whether the statement refers to reading a poem or listening t…
1. Use context to determine the meaning of unfamiliar words. → Reading 2. Determine the tone of the poem through inflections and pacing. → Listening 3. Use the form of the poem to…
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4. altogether, 5 identical crates weigh \\(\\frac{1}{4}\\) of a ton. a.…
Cada caja pesa $\frac{1}{20}$ toneladas. ### Part b
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read this passage from the poem \my father is a simple man.\ the street…
- The lack of rhythm shows the easy relationship. - The lack of rhyme contributes to a casual tone.
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math test scores no of students 5 4 3 2 1 0 60-69 70-79 80-89 90-99 tes…
B. 8
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7 gullible (gŭl’ə-bəl) -adjective __ gullible means - candace is so gul…
7. C. easily fooled. 8. A. likely. 9. B. stingy. 10. B. one who expects the worst.
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ages 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 the…
C. 8
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weights of cats (in pounds) the weights of 9 different cats, in pounds,…
B. 7
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7. the table shows the relationship between the different colors needed…
- Part - to - part ratio (Blue to Red): $10:6$ (or simplified $5:3$); Part - to - whole ratio (Blue to Total): $10:16$ (or simplified $5:8$) - Unknown values: - When Blue = 15 fl …
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5. adrian decorated 16 cupcakes in 28 minutes. if he continues at this …
98 minutes
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3. the world record for the most number of speed skips in 60 seconds is…
83
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the line lengths in the \my father is a simple man\ poem are irregular.…
D. The poem is meant to reflect daily life, which is irregular and varied.
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8. reasoning how can you find the slope of the line that passes through…
The slope is calculated using the formula \( m=\frac{y_2 - y_1}{x_2 - x_1} \). Substituting \((x_1,y_1)=(0,0)\) and \((x_2,y_2)=(2,4)\), we get \( m = \frac{4 - 0}{2 - 0}=2 \). So…
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read the \abridged letter from birmingham jail\ in its entirety and ans…
In his opening paragraph, Martin Luther King, Jr. chooses to respond to the clergymen’s statement (even though he “seldom answers criticism”) because he respects their “sincere go…
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check your reading: \my father is a simple man\ what does this mean? th…
A. The father is honest and straightforward.
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ada is making rice. the instructions call for $2\\frac{1}{4}$ cups of w…
$\frac{3}{4}$
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23. apply math models mr. marion buys these tickets for his family to v…
The cost of each ticket is \$52.5. The equation is \( 4x = 210 \) and the solution is \( x = 52.5 \).
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samir and jillian share a phone plan. each month they can use a combine…
Jillian: 7.12 GB
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samir and jillian share a phone plan. each month they can use a combine…
Yes, Samir and Jillian have data left to use. They have used 7.12 GB total, which is less than their 8 GB monthly limit, so they have $8 - 7.12 = 0.88$ GB of data remaining.
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4. samir and jillian share a phone plan. each month they can use a comb…
1. Total used data: 7.12 GB 2. 7.12 GB is less than 8 GB, so they have data left. 3. Rounded data: Samir: 4 GB Jillian: 3 GB 4. Estimated total: 7 GB, which confirms they have rem…
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samir and jillian share a phone plan. each month they can use a combine…
1. To solve: Calculate total data used, compare to 8 GB. 2. First blank: total sum 3. Second blank: 8 4. They still have data left to use (total used is 7.03 GB, which is less tha…
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1. solve $\frac{2}{3} \\times \frac{3}{5}$
$\frac{1}{2}$
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1. jayden’s snow cone machine makes 3 snow cones from 0.5 pound of ice.…
30
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6. a skyscraper in dubai is 2,722 feet high. a news station antenna in …
The height of the news station antenna is 2063 feet.
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10. a bag contains 3 red marbles and 2 blue marbles. one marble is draw…
Simplified Fraction: $\frac{3}{10}$ Percent: $30\%$
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9. time taken to complete an online task under 30s over 30s use the box…
A) 18 B) 25% C) 8
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8. coach reese is recording the number of sit ups her student do in 2nd…
Range of the boys: 43 Median of the girls: 26
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7. 5 different moisturizing face masks from ulta cost: $8.00, $4.75, $5…
Mean: $\$5.70$ Median: $\$5.00$ IQR: $\$2.75$
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4. a proportional relationship shows hours worked (x) and money earned …
12
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6. on a spinner, there are 10 equal spots, numbered 1-10. what is the p…
Simplified Fraction: $\frac{1}{100}$ Percent: $1\%$
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5. a jar contains 2 caramels, 7 mints and 16 dark chocolates. what is t…
Simplified Fraction: $\frac{4}{75}$ Percent: $5.33$%
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3. what is the probability of a person ordering juice and white bread w…
2. $\frac{1}{24}$ 3. $\frac{1}{12}$
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mixing real - world and mathematical problems related to systems of equ…
The system of equations is \( \begin{cases} y = 9 + 1.25x \\ y = 7.50 + 1.75x \end{cases} \) ### Second Problem (Sarah and Aaron's Money)