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Andrej [43]
2 years ago
6

Write and solve an inequality using the information about Noah.

Mathematics
1 answer:
Diano4ka-milaya [45]2 years ago
4 0

Answer:

50 - 1.65x ≥ 15

Step-by-step explanation:

I hope this helps and you solve! :)

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(12pts) what is the next step multiple choice
egoroff_w [7]

Answer:

I think its D

Step-by-step explanation:

lmk if its wrong

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Catherine owns $22.50 on her lunch account balance. She pays $15 toward her balance. What is the status of her account balance n
Alex777 [14]

Answer:

22.50

- 15.00

_______

7.50

Step-by-step explanation:

She still owes $7.50

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I need help with #11 and #12 how do I do this?
USPshnik [31]

Answer:

  11. x = 6; y = 6.5

  12. x = 2; y = 4

Step-by-step explanation:

In each figure, the hash marks on the lines indicate the parallel lines (marked with red arrows) are equally-spaced. That means the two expressions involving x are equal to each other, and the two expressions involving y are equal to each other.

__

11. 2x +1 = x +7

  x = 6 . . . . . . . subtract (x+1) from both sides

and

  3y -8 = y +5

  2y = 13 . . . . add (8-y) to both sides

  y = 6.5 . . . . divide by the coefficient of y

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12. x +3 = 3/2x +2

  1 = 1/2x . . . . . subtract (x+2)

  2 = x . . . . . . . multiply by 2

and

  2y -1 = 3y -5

  4 = y . . . . . . add (5 -2y)

8 0
3 years ago
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Four teachers bought 10 origami books and 100 packs of oragami paper for their classrooms. They will share the cost of the items
Ksenya-84 [330]
They will take the total price and divide it by four. So x will be the price, so the equation will be x/4=total price per person. 
3 0
3 years ago
GIVING 20 POINTS AND A BRAINLIEST!!!! (Really need help please!)
Murljashka [212]

Answer:

Step-by-step explanation:

General form of quadratic equation:

ax^2+bx+c=0

ax^2+bx=-c

To complete the square, we will divide the coefficient of x in the general quadratic equation as written above and divide by 2

I'm the question;

x^2-20x+13=0

x^2-20x=-13

The coefficient of x =-20

Divide the coefficient by 2 and square the result afterwards

-20/2= - 10

(-10)^2= 100

Add 100 to both sides of the equation

x^2-20x+100=-13+100

x^2-20x+100=87

x^2-10x-10x+100=87

x(x-10)-10(x-10)=87

(x-10)(x-10)=87

(x-10)^2=87

Answer is 10,87

8 0
2 years ago
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