PLEASE HELP!!! I WILL UPVOTE-MEDAL U!!The following graph shows the amount of water remaining in a ten-liter water jug t minutes after it started leaking. How many minutes did it take until the ten-liter jug was half empty?

Graph with t in minutes on the x axis and liters of water left in jug on y axis. Line hitting (0, 10), (4, 8), (8, 6), (12, 4), (16, 2), and (20, 0)

4 minutes

10 minutes

12 minutes

20 minutes

Answers

Answer 1

Answer: It is B 10 minutes. Because every 4 min 2 litters leaked out since half of 10 litters is 5 liters and 5 divide by 2 is 2.5 then 4 time 2.5 is 10 so 10 min.

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In circle K , diameter CD is drawn and point E is located on the circle such that CE=16 and DE=30 .What is the length of the radius of circle K?

Answers

Answer:

The length of the radius of the circle K is $17\ units$

Step-by-step explanation:

we know that

The triangle CDE is a right triangle with the 90 degree angle at point E

Applying the Pythagoras Theorem

Find the length of CD (diameter of the circle K)

$CD^(2)=CE^(2)+DE^(2)$

substitute the values

$CD^(2)=16^(2)+30^(2)$

$CD^(2)=1,156$

$CD=34\ units$

Find the radius

Remember that the radius is half the diameter

$r=34/2=17\ units$

A sports club needs to raise at least $240 by selling chocolate bars for $3.00 each. Sebastian wants to know how many chocolate bars, c, the sports club must sell in order to reach their goal. He represented this situation as 3c > 240. Which graph represents this inequality?

Answers

Answer:

Graph 3.

Step-by-step explanation:

Since they need to earn $240 by selling $3 candy bars, they must sell at least 80 candy bars since 240/3 = 80.

With this in mind, selling more than 80 candy bars would be acceptable, but selling less would not which is why the third graph is correct.

Answer:

Step-by-step explanation:

Elizabeth has a piece of ribbon that is 4.5 meters long she wants to cut it into pieces that Are 0.25 meters long how many pieces of ribbon will she have

Answers

4.5 divided by 0.25 is 18 so she will have 18 pieces.

Solve for x

(2x-1)^4 = 64

Answers

X= -0.914214, 1.914214

A half of a class and a half of a student got A on a test. If yet another student got an A, then two-thirds of the class would have an A for the test! How many students are there in that class?

Answers

Answer:

6 students.

Step-by-step explanation:

let the number of students in class be x

Since Half of the class represents half of the students, therefore

Number of student who got A in test = $(x)/(2)$

Now if one more student got A in test then the number of students who got A in test will be $(x)/(2) +1$

Now according to equation,

$(2x)/(3) = (x)/(2) +1$

$(2x)/(3) - (x)/(2) = 1$

Further solving

$(4x-3x)/(6) = 1$

$x = 6$

Hence the total number of students in class is 6.

Answer:

Step-by-step explanation:

1/2x+2/3=2/3x

2/3=4/6x-3/6x=1/6x

x=9

Find the mean, median, lower Q, upper Q, Interquartile range (IQR), mode, and range for the following data:3, 3, 7, 21, 2, 5, 16, 58, 2, 9, 2, 2

what is the MODE:

what is the UPPER Q:

Answers

The mode is 2 and the UPPER Q is 12.5

The mode is 2 because mode means it appears more than once mode=more

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