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atroni [7]
2 years ago
9

Please help its decimals

Mathematics
2 answers:
Brilliant_brown [7]2 years ago
3 0

Each line they are adding 4.96


11.72 + 4.96 = 16.68

AnnZ [28]2 years ago
3 0

Answer:

the correct answer is 16.68

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1: The sum of 4 and three times a number is 19
BigorU [14]

<u>Part 1) </u>The sum of 4 and three times a number is 19

Let

x----------> the number

we know that

4+3x=19\\3x=19-4\\x=15/3\\x=5

therefore

<u>the answer part 1) is equal to</u>

The number is equal to 5

<u>Part 2)</u> The difference of twice a number and 7 is 9

Let

x----------> the number

we know that

2x-7=9\\2x=9+7\\x=16/2\\x=8

therefore

<u>the answer part 2) is equal to</u>

The number is equal to 8

<u>Part 3) </u>Ten less the quotient of a number and 3 is 6

Let

x----------> the number

we know that

\frac{x}{3} -10=6\\\\ \frac{x}{3} =16\\\\x=16*3\\\\x=48

therefore

<u>the answer part 3) is equal to</u>

The number is equal to 48

<u>Part 4)</u> Five times the sum of a number and 4 is -15

Let

x----------> the number

we know that

5(x+4)=-15\\5x+20=-15\\5x=-15-20\\x=-35/5\\x=-7

therefore

<u>the answer part 4) is equal to</u>

The number is equal to -7



4 0
3 years ago
Read 2 more answers
Try This Q 1. Write the expressions for each of the following using brackets. (a) Four multiplied by the sum of nine and two. (b
Stolb23 [73]

Answer:

Step-by-step explanation:

<h3>Writing expressions</h3>

a)  Sum of nine and two ⇒ 9 + 2

Four multiplied by (9+2) :  

       4* (9+2)

b) \dfrac{(18-6)}{4}

c) \dfrac{45}{3*(3+2)}

2) a) Multiply the sum of five and eight by 6

   b) There 5 story books in 6 red bags and 8 art books in 6 blue bags. How many books are there?

3) a) 7*(8-3)

      Multiply the difference of eight and three by 7.

     

8 0
2 years ago
12 is what percentage of 80
PIT_PIT [208]

Answer:  " 15 % " .

_______________________________

     →   " 12 is <u>  15% </u> of 80 " .

_______________________________

Step-by-step explanation:

_______________________________

12 = (n/100) * 80 ;

12 = (80n) /100 ;  Solve for "n:

Note:  80/100 = (80/10) / (100/10) = (8/10) = 0.8  ;

12 = (0.8)n  ;

↔ (0.8n) = 12

Multiply each side of the equation by "10" ; to get rid of the "decimal" ;

 10 * (0.8n) = 10 * 12 ;

to get:

_______________________________

8n = 120 ;

Divide each side of the equation by "8" ;

to isolate "n" on ONE SIDE of the equation; & to solve for "n" ;

8n/8 = 120/ 8 ;

_______________________________

to get:

_______________________________

n = 15 .

_______________________________

Answer:  " 15 % " .

_______________________________

     →   " 12 is <u>  15% </u> of 80 " .

_______________________________

Hope this helps!

Best wishes!

_______________________________

4 0
3 years ago
The stem-and-leaf plot shows the test scores for a chemistry class.
earnstyle [38]

12 I know because I just took the quiz

6 0
3 years ago
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PLS HELP! 18 points , and BRAINLIEST !!
Sidana [21]

Answer:

Step-by-step explanation:

So if you count the length, and width then times them then you will get the right answer.

6 0
3 years ago
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