MATHEMATICS MIDDLE SCHOOL

Clock. What is the measure of the angle (in degrees) that the minute hand traces in 20 minutes?

Answers

Answer 1
Answer:

Based on the number of degrees that 60 minutes is, we can infer that 20 minutes will be 120°.

A total revolution around a clock is 360° and this translates to 60 minutes.

This means that every minute is:

= Number of degrees in total / Number of minutes in revolution

= 360 / 60

= 6° per minute

If there are 20 minutes, the number of degrees is:

= 6 x 20

= 120°

In conclusion, 20 minutes on the clock is 120°.

Find out more at brainly.com/question/19030439.

Answer 2
Answer: 30 mins make 180deg.
hence 20 min makes,
20/30*180=120 deg

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Which numbers are solutions to the inequality-3x-3<6

Answers

Answer:

x > - 3

Step-by-step explanation:

Isolate the - 3x on the left by adding 3 to both sides

- 3x < 9 ( divide both sides by - 3 )

Remembering to reverse the inequality symbol as a consequence of dividing/ multiplying by a negative value

x > - 3 ← reverse symbol

Andrei has a glass tank. First, he wants to put in some marbles, each of which has a volume of 0.04 liters. Then, he wants to fill the tank with water until it's completely full. If he uses 50 marbles, he will have to add 33 liters of water. What is the volume of the tank?

Answers

Answer: 35 liters


Step-by-step explanation:

Volume of 1 marble = 0.04 Liters

volume of 50 marbles = 50 x 0.04 liters = 2 liters

volume of water added =  33 liters ( Given)

Volume of tank = Volume of water + Volume of 50  marbles

                          =      33 liters + 2 liters

                          =    35 liters

How can you use what you know about place value to find what marks score could be?

Answers

4 or less give it a rest 5 or more raise the score

Which of the following shows 7 + (x + 4y) rewritten using the Associative Property of Addition? (3 points) Select one: a. 7 + x + 4y b. 7x + (4 + y) c. (7 + x) + 4y d. x + (7 + 4y)

Answers

i think it would be d.

Find slope for 7x-2y=0.2
7x - 2y = 0.2

Answers

Answer:

slope = -7/2

Step-by-step explanation:

To find the slope, we will solve the equation for y.

7x-2y=0.2

Subtract 7x from each side.

7x-7x-2y=-7x+0.2

-2y = -7x+0.2

Then we need to divide each side by -2

-2y/-2 = -7x/-2 + 0.2/-2

y = -7/2 x -0.1

This is in the form y= mx+b where m is the slope and b is the y intercept.

So the slope is -7/2 and the y intercept is -0.1

What is the common ratio for the geometric sequence
2. 4.8. 16, ...​

Answers

Answer:

r = 2

Step-by-step explanation:

a_n-\text{geometric sequence}\n\na_1,\ a_2,\ a_3,\ ...,\ a_n-\text{terms of a geometric sequence}\n\nr=(a_2)/(a_1)=(a_3)/(a_2)=(a_4)/(a_3)=\hdots=(a_n)/(a_(n-1))-\text{common ratio}\n\n\text{We have:}\ a_1=2,\ a_2=4,\ a_3=8,\ a_4=16,\ ...\n\n\text{The common ratio:}\n\nr=(4)/(2)=(8)/(4)=(16)/(8)=2
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