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MakcuM [25]
2 years ago
5

The sum of two numbers is 40 and the difference is 16. What are the numbers?

Mathematics
1 answer:
Alina [70]2 years ago
7 0

Answer:

28 and 12

Step-by-step explanation:

The sum of two numbers is 40 and the difference is 16. What are the number? x+y=40 Substitute for x from above. (y+16)+y=40 Subtract 16 from each side.

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I need help i don’t understand
UNO [17]

9514 1404 393

Answer:

  x = 12.5

Step-by-step explanation:

The value of x is part of the value of an angle in a triangle where the other angles are known. This suggests that the relevant theorem is the "angle sum theorem," which tells you <em>the sum of angles in a triangle is 180°</em>.

This gives you the equation ...

  60° +60° +(4x+10°) = 180° . . . . total of all angles is 180°

  4x +130° = 180° . . . . . . . . . . collect terms

  4x = 50° . . . . . . . . . . . . subtract 130° from both sides

  x = 12.5° . . . . . . . . . divide both sides by 4

4 0
2 years ago
Gabriel invested $540 in an account paying an interest rate of 6.4% compounded monthly. Assuming no deposits or withdrawals are
Lelechka [254]

Answer:

$4,687.2?

Step-by-step explanation:

540 x 0.064 = 34.56

34.56 x 12 = 414.72

414.72 x 10 = 4147.2

4147.2 + 540 = $4,687.2

5 0
2 years ago
What number divide evenly into 125 ?
Tamiku [17]
 you can have 125/5 =25
3 0
3 years ago
Read 2 more answers
Can someone please help me?<br> If g(x) = x2 - 5x + 2, find g(0).
Debora [2.8K]

g(x) = x² - 5x + 2

You are looking for g(0). This means that you must replace all the x values in the equation above with 0

(0)² - 5(0) + 2

Now you need to solve according to the rules of PEMDAS:

(0)² - 5(0) + 2

0 - 5(0) + 2

0 - 0 + 2

0 + 2

2

g(0) = 2

Hope this helped!

~ Just a girl in love with Shawn Mendes

5 0
3 years ago
Solve the formula 4x+7y=9 for y.
satela [25.4K]
X=0.5
y=1

(4x0.5) + (7x1) = 9
2 + 7 = 9
5 0
1 year ago
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