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VladimirAG [237]
4 years ago
6

The sum of sum of two numbers is 39 and their difference is 5. What is the larger number?

Mathematics
2 answers:
julsineya [31]4 years ago
8 0

Answer:

Step-by-step explanation:

it is 39

Readme [11.4K]4 years ago
4 0

Answer: 22

Step-by-step explanation:

x + y= 39\\x-y=5\\

multply the buttom eqn with -1

x  + y=39\\-x+y=-5

solve for y

2y=34\\y= 34/2\\y= 17

substitute y into one of the eqn

x+y=39\\x+17=39

subtract 17 from both side

x= 39-17\\x=22

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The equation in y=mx+b form is 1/4x-9.
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3 years ago
Make Q the subject of the formula A = Q2 - 2a.
son4ous [18]

Answer:

\huge\boxed{Q = \sqrt{A+2a}}

Step-by-step explanation:

A = Q^2 -2a

Adding 2a to both sides

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8 0
3 years ago
What value of x is in the solution set of 3(x – 4) ≥ 5x + 2? <br><br> –10<br> –5<br> 5<br> 10
emmasim [6.3K]

<u>Answer:</u>

The value of x is in the solution set of 3(x – 4) ≥ 5x + 2 is -10

<u>Solution:</u>

Need to determine which value of x from given option is solution set of 3(x – 4) ≥ 5x + 2

Lets first solve 3(x – 4) ≥ 5x + 2

3(x – 4) ≥ 5x + 2

=> 3x – 12 ≥ 5x + 2

=> 3x – 5x ≥ 12 + 2

=> -2x ≥ 14

=> -x ≥ 7

=> x ≤ -7

All the values of x which are less than or equal to -7 is solution set of 3(x – 4) ≥ 5x + 2. From given option there is only one value that is -10 which is less than -7  

Hence from given option -10 is solution set of 3(x – 4) ≥ 5x + 2.

7 0
4 years ago
Read 2 more answers
Can someone help me? It's urgent and thank you!
Alex_Xolod [135]

Answer:

15.2%

Step-by-step explanation:

There are 12 marbles in total and there are 5 red marbles, so the probability of getting a red marble is 5/12. There are now 11 marbles and there are 4 blue marbles. So the probability of getting a blue marble is 4/11.

You multiply these 2 values together.

5/12 * 4/11 = 20/132 = 0.1515

This is about 15.2%

5 0
3 years ago
Read 2 more answers
Can anyone help with this?
Mademuasel [1]

Answer:

error

Step-by-step explanation:

8 0
4 years ago
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