MATHEMATICS MIDDLE SCHOOL

a lady bug crawled 4 1/6 inches,then rested for a bit and then crawled 6 1/6 inches more.How far did the lady bug crawl in all

Answers

Answer 1
Answer:

4 1/6 plus 6 1/6 = 10 2/6. Simplify it and you get 10 1/3 Inches.
Answer 2
Answer:

First 4 1/6 = 25/6 and 6 1/6 = 37/6

If you add them you get 62/6 which equals 10 2/6 or 10 1/3

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What is the MAD of the data set?

{13, 6, 3, 7, 11}

Answers

13 + 6 + 3 + 7 + 11 = 40

40 ÷ 5 = 8

13 - 8 = 5
6 - 8 = |-2| = 2
3 - 8 = |-5| = 5
7 - 8 = |-1| = 1
11 - 8 = 3

5, 2, 5, 1, 3

5 + 2 + 5 + 1 + 3 = 16

16 ÷ 5 = 3.2

MAD = 3.2

Answer:

MAD = 3.2

Step-by-step explanation:

13 + 6 + 3 + 7 + 11 = 40

40 ÷ 5 = 8

13 - 8 = 5

6 - 8 = |-2| = 2

3 - 8 = |-5| = 5

7 - 8 = |-1| = 1

11 - 8 = 3

5, 2, 5, 1, 3

5 + 2 + 5 + 1 + 3 = 16

16 ÷ 5 = 3.2

MAD = 3.2

Nine twentieths is equal

Answers

An equivalent fractions would be 18/40.
Nine twentieths is equal to...

9/20 and 0.45.

The sum of two numbers is 264. One number ends with a zero. If this zero is erased, you get the second number. Find these numbers.

Answers

Answer:

240; 24

Step-by-step explanation:

Given that:

Sum of two numbers = 264

One number ends with '0'

Second number = first number without '0'

Let the first number be 'a'

Since the second number is the first number with '0' erased, then,

Second number = (a ÷ 10)

Therefore, the expression becomes :

a + a/10 = 264

Multiply the equation by 10

10a + a = 2640

11a = 2640

a = 2640/11

a = 240

Therefore ;

a = 240 ;

a/10 = 240/10 = 24

The numbers are 240 and 24

I need help on this question I just don't understand how to do it

Answers

The process used in the picture is cross multiplying. Make an x through the numbers and multiply them by each other. That's why 21 was multiplied by 14 and 49 was multiplied by n. The value of n is unknown, so it simplifies to 49n, and 14*21=21.4. So basically to recap, make an x, multiply the terms that are diagonal from each other, write both of the answers next to each other, and put an = sign in between them. If you don't understand I can try to explain differently ☺

Find the new amount.
8 meters increased by 25% ?

Answers

25% of 8 is 2
8+2=10
8 meters increased by 25% is 10 meters.

Really confused with this problem. It would be great if someone could help

Answers

(2n+12) + (3n+18) = 180
⇒5n+30=180
⇒5n=150
⇒n=30


x=2n+12
  =2(30)+12
  =72°
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