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OlgaM077 [116]
2 years ago
7

Describe several real world situations can be modeled by equations of the form Y equals MX plus be or Y equals MX explain how th

e latter equation represents a proportional relationship
Mathematics
1 answer:
lara [203]2 years ago
5 0

The linear equation represents y = mx + b describes several real world situations such as

  • Relation between printer and ink cartridges,
  • Relationship between number of songs and how much is left on the card.

<u>Step-by-step explanation</u>:

Linear equations  y = mx + b.  

m is your rate of change.

b is your constant. This is the initial value of y. The value of y when x is 0.

Finally, y is the thing that depends on x.

Oh right, examples:  

  •  I buy a printer for $100 and the ink cartridges cost $25 each. The relationship between ink cartridges and total cost.

total cost = 25(cartridges I buy) + 100 or y = 25x + 100

  • I get a $100 iTunes gift card for my birthday and then start buying $1 songs. The relationship between the number of songs I buy and how much is left on the card

amount left on card = -$1(songs bought) + 100 or y = -x +100

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What is the factor of 25a2+b2?
Neko [114]

Answer:

(5a+b)⋅(5a−b)

Step-by-step explanation:

Changes made to your input should not affect the solution:

(1): "b2"   was replaced by   "b^2".  1 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

 52a2 -  b2

STEP

2

:

Trying to factor as a Difference of Squares

2.1      Factoring:  25a2-b2

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check :  25  is the square of  5

Check :  a2  is the square of  a1

Check :  b2  is the square of  b1

Factorization is :       (5a + b)  •  (5a - b)

7 0
3 years ago
I need help I don’t lkdkdjxdkdjjddjdjdjd kdkdidjdjrke rikdjekrkdkdj dkdkdkdk
Elena L [17]
Jesse got that as an answer because he only multiples 2X to 2 and not to 8.
4 0
2 years ago
Need help with this answer plz help
jeyben [28]
It would be H because 13 has no factors other than 1, and 13.

Hope this helps!
6 0
3 years ago
Read 2 more answers
Which equation would you use to find x?
Nitella [24]
You would use B to find X
8 0
3 years ago
What is the value of X
erica [24]

Answer:

x=3

Step-by-step explanation:

the sides MJ and MK should be equal so 12x-24 = 4x

if you isolate x you get 3

3 0
3 years ago
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