The ratio of flowers that are red and flowers that are yellow is 5:2. If there are 6 yellow flowers, how many flowers are red?

Answers

Answer 1

Answer: 5/2 = x/6
2x = 30
x = 15

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The table below shows the distance y, in miles, traveled by a toy car in x minutes:Time (x)
(minutes) 20 30 40 50
Distance (y)
(miles) 5 10 15 20

Part A: What is the most likely value of the correlation coefficient of the data in the table? Based on the correlation coefficient, describe the relationship between time and distance traveled by the toy car. (4 points)
[Choose the value of correlation coefficient from 1, 0.8, 0.5, 0.02]

Part B: What is the value of the slope of the graph of distance versus time, and what does the slope represent? (3 points)

Part C: Does the data in the table represent correlation or causation? Explain your answer. (3 points)

Answers

Part A: The correlation coefficient is 1. It means that the values of both x and y has a strong relationship giving them a avalue of 1.

Part B: The value of the slope of the graph is 0.5. the slope of the line represents how steep is the line of your graph

Part C: The data presented is correlation.

Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference of the two grades is 16. The sum of one-eighth of the higher grade and one-half of the lower grade is 52. The system that represents his scores is below. x – y = 161/8x + 1/2y = 52

What is the higher grade of Jose’s two tests?

48
52
80
96

Answers

Answer : 96

x – y = 16 --------> equation 1

$(1)/(8) x +(1)/(2) y = 52$

x is the higher grade and y is the lower grade

We solve the first equation for y

x - y = 16

-y = 16 -x ( divide each term by -1)

y = -16 + x

Now substitute y in second equation

$(1)/(8) x +(1)/(2) ( -16 + x ) = 52$

$(1)/(8) x - 8 + (1)/(2) x = 52$

$(1)/(8) x + (1)/(2) x - 8 = 52$

Take common denominator to combine fractions

$(1)/(8) x + (4)/(8) x -8 = 52$

$(5)/(8) x - 8 = 52$

Add 8 on both sides

$(5)/(8) x = 60$

Multiply both sides by $(8)/(5)$

x = 96

We know x is the higher grade

96 is the higher grade of Jose’s two tests.

The answer you get is (96,80). 96 is greater.

7w−(2 w)=2(3w−1) w = 0 w=12w=12 all real numbers no solution

Answers

Hello there.

7w−(2 w)=2(3w−1) w = 0 w=12w=12 all real numbers no solution

no solution

I need help with this one

Answers

Answer:

Step-by-step explanation:

93808.57316 rounded to the nearest ten thousand is 90000

Answer:

Step-by-step explanation:

5 + 3 = 2/7p - 11

what is the value of p?

Answers

5 + 3 = 2/7p - 115 + 3 = 2p/7 - 11
8 = 2p/7 - 11
8 + 11 = 2p/7
19 = 2p/7
19 × 7 = 2p
133 = 2p
133/2 = p
p = 133/2

The answer is: p = 133/2 or p = 66.5.

How do you work out the interquartile range?