MATHEMATICS MIDDLE SCHOOL

Garth estimated the heigh of the door to his claroom in meters what is reasonable estimate?

Answers

Answer 1

Answer:

Answer:

A reasonable measure for the height of the door would be 2.23 meters

Step-by-step explanation:

We use three units of measurement in our daily life.

Centimeter, Meter and Kilometer

When comparing the three units centimeter is the smallest unit and kilometer is the largest.

1 meter= 100 cm

1 kilometer= 1000 meter= 100000 centimeter

If we measure the height of the classroom's door in centimeter which is approximately 223 cm, it is better to convert it into a unit higher than centimeter. We know that 100 cm is equal to 1 meter. So, instead of writing 223 cm it is better to write 2.23 m, neither 0.223 Km. If the number lies between 100 cm ≤number <100,000 cm, convert it into meters by dividing the number by 100, which is best unit of measurement.

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How many times can 7 go into 48

Answers

To find out the answer to this question, we can do it one way by subtracting 7 from 48 until we can't subtract 7 anymore without getting a negative number.

48 - 7 = 41

41 - 7 = 34

34 - 7 = 27

27 - 7 = 20

20 - 7 = 13

13 - 7 = 6

Now, we can just count the 7s that we subtracted, and when we do, we can see that there are 6 of them, and then we are left with 6, and since 7 can't be subtracted from 6, that will be our remainder.
7 goes into 48 6 times with a remainder of 6.
Hope that helped! =)

6.8 which is about 7 times bc 48/7

I need help from you guys I have to teach in class on friday and I'm in 7th grade what can I teach help you guys anything like proportional or ratios,etc...

Answers

Have you learned about the Pythagorean theorem? a² + b² = c² . . . you should teach them about this.

I would teach the different formulas for 2d objects

Use distributive property 5(6+b) *
Your answer

Answers

Answer:

5b +30

Step-by-step explanation:

5 · 6 = 30

5 · b = 5b

Multiply. 560.9 • 2.8
A.15705.2
B.1570.52
C.157.052
D.15.7052

Answers

560.9
* 2.8
ignore the decimals and multiply, as whole numbers.
5609 * 28 = 157052
now since there were two spots behind the decimal, squeeze the decimal in the number.
1,570.52 is the answer. which is B

560.9 x 2.8 = 1570.52

Parallelogram JKLM has coordinates J (−8, 16), K (8, 16), L (16, −8), and M (0, −8). Parallelogram JꞌKꞌLꞌMꞌ has coordinates Jꞌ (−1, 2), Kꞌ (1, 2), Lꞌ (2, −1), and Mꞌ (0, −1). Parallelogram JꞌꞌKꞌꞌLꞌꞌMꞌꞌ has coordinates Jꞌꞌ (3, 2), Kꞌꞌ (5, 2), Lꞌꞌ (6, −1), and Mꞌꞌ (4, −1).Which transformations describe why parallelograms JKLM and JꞌꞌKꞌꞌLꞌꞌMꞌꞌ are similar?

A.
Parallelogram JKLM was reflected across the y-axis and then dilated by a scale factor of .

B.
Parallelogram JKLM was dilated by a scale factor of and then translated 1 unit right and 2 units down.

C.
Parallelogram JKLM was rotated 270° clockwise and then dilated by a scale factor of .

D.
Parallelogram JKLM was dilated by a scale factor of and then translated 4 units to the right.

Answers

Your answer is D) Parallelogram JKLM was dilated by a scale factor of 1/8 and then translated 4 units to the right.

Answer: The correct answer is C.

Step-by-step explanation:

Lines b and c are parallel. What is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Answers

Answer:

m2 = 50

Step-by-step explanation:

7x+1+18x+4=180

25x+5=180

25x=175

x=7

m2= 7(7)+1 = 50

Answer:

2. $m\angle 2=50^(o)$

Step-by-step explanation:

We have been given that lines b and c are parallel.

Since we know that vertical angles are always congruent. We can see that measure of angle 2 will be equal to $(7x+1)^(o)$ as it is the measure of vertical angle of angle 2.