For two weeks, Mario recorded the color of the traffic light at the intersection of Main Street and North Avenue as his bus approached the intersection. He created this frequency table. What data did he collect to create this frequency table? A. green, red, red, red, red, red, green, red, red, yellow
B. red, red, red, yellow, red, red, green, red, red, yellow
C.red, red, red, red, red, red, green, red, red, yellow
D.red, red, green, red, red, red, green, red, red, yellow

frequency table:
Red: 7
Green: 2
Yellow: 1
Total: 10

Answers

Answer 1

Answer: A. Because the data in the frequency table matches the data in A.

Answer 2

Answer: A because that's the only one with matching data.

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6. How could you check the answer to 27-15 12 using addition?A. 27 15 12B. 27 12 15C. 12 15 27D. 15-12 277. Which of the following uses estimation to check 267 -154 113?A. 300 200 100B. 113 154 267C. 270 150 120D. 300 150 1508. Subtract the quotient of 18 and 2 from the sum of 22 and 9.A. 5B. 23C.4D. 22LPFU

Write an equation of the line below.

Answers

Answer: y = -2x+3

Explanation

The two marked points on the blue line are (0,3) and (5,-7)

Use the slope formula.

$\text{Given Points: }(x_1,y_1) = (0,3) \text{ and } (x_2,y_2) = (5,-7)\n\nm = \text{slope} = \frac{\text{rise}}{\text{run}} = \frac{\text{change in y}}{\text{change in x}}\n\nm = \frac{\text{y}_(2) - \text{y}_(1)}{\text{x}_(2) - \text{x}_(1)}\n\nm = (-7 - 3)/(5 - 0)\n\nm = (-10)/(5)\n\nm = -2\n\n$

The slope is -2.

A slope of -2 or -2/1 means "down 2, right 1".

Following this motion pattern has us go from (0,3) to (1,1) to (2,-1) to (3,-3) to (4,-5) to (5,-7) and so on.

The y intercept is 3 as this is where the blue line crosses the y axis.

--------

We found the following

m = -2 = slope

b = 3 = y intercept

The template y = mx+b updates to y = -2x+3 which is the final answer.

21.12 is 25.6% of what number

Answers

the answer is 82.5 and that's all

Final answer:

The number that 21.12 constitutes 25.6% of is calculated using the formula for percentage. Rearranging the formula to find the Whole and substituting the given values in, we find that 21.12 is 25.6% of 82.5.

Explanation:

The question 21.12 is 25.6% of what number falls under the topic of Calculating Percents in Mathematics. To calculate this, use the formula for percentage which is:

(Part/Whole) = Percentage

In this case, the part is 21.12 and the percentage is 25.6%. The question is asking for the Whole number. We can rearrange the formula to find the Whole:

Whole = Part/Percentage

Substitute the given values into the formula:

Whole = 21.12/0.256 = 82.5

Therefore, 21.12 is 25.6% of 82.5.

Learn more about Calculating Percents here:

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(02.03 MC) The temperature at a mountain base camp was −2 degrees Celsius on Thursday. Friday morning, the temperature was 1 degree Celsius lower than it was on Thursday. By Friday evening, the temperature was 3 degrees Celsius lower than it was that morning. What was the temperature at the base camp Friday evening? (1 point) −9 degrees Celsius −8 degrees Celsius −7 degrees Celsius −6 degrees Celsius

Answers

Answer:

The temperature at the base camp Friday evening is - 6 degrees Celsius.

Step-by-step explanation:

To get the temperature at a mountain base camp on Friday evening, we must translate statement into a mathematical form:

(i)The temperature at a moutain base camp was - 2 degress Celsius on Thursday:

$T_(o) = -2\,^(\circ)C$

(ii)Friday morning, the temperature was 1 degree Celsius lower than it was on Thursday:

$\Delta T_(1) = -1\,^(\circ)C$

(iii)Friday evening, the temperature was 3 degrees Celsius lower that it was that morning:

$\Delta T_(2) = -3\,^(\circ)C$

The temperature at the base camp Friday evening is:

$T = T_(o)+\Delta T_(1)+\Delta T_(2)$

$T = -2\,^(\circ)C-1\,^(\circ)C-3\,^(\circ)C$

$T = -6\,^(\circ)C$

The temperature at the base camp Friday evening is - 6 degrees Celsius.

Answer:

D) -6 degrees Celsius

Darcy deposited $390 into a savings account. As long as the account balance remains at or above $150, she does not have to pay a service fee for the account. For how many months can she withdraw $40 a month without having to pay service fees? A) 3 B) 5 C) 6 D) 9

Answers

Answer:

C. 6

Step-by-step explanation:

Answer: C) 6

Step-by-step explanation: usatestprep approved

A car travels a distance of 110 miles in a time or 2.8 hours what Is its average speed rounded to 1dp

Answers

110/2.8=39.3 miles per hour

Answer:

39.3

its simple

Find the solution of the square root of the quantity of x plus 3 plus 6 equals 9 and determine if it is an extraneous solution. ( A. x=0 extraneous; B. x=0 non-extraneous; C. x=6 extraneous; D. x=6 non-extraneous)

Answers

√(x+3)+6=9
minus 6 both sides
√(x+3)=3
squar both sides
x+3=+/-9
minus 3 both sides
x=6 or -12

sub to see
√(6+3)+6=9
√(9)+6=9
3+6=9
9=9
true

other one
√(-12+9)+6=9
√(-9)+6=9
false (means this is an extranious answer)

x=6 and it is not extranious
D

72 is anres

Answer:

X=6 not extraneous

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