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g100num [7]
3 years ago
15

Jenny has $2.40 deducted from her monthly allowance every time she forgets to do a chore. If she forgets three times in one mont

h, what will be the change in Jenny's total allowance?
Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer:

The difference would be $7.20

Step-by-step explanation:

Multiply $2.40 times 3

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Solve for x: 2|x − 3| + 1 = 7
bearhunter [10]
***SOLVE FOR X***


Answer:<span><span>
x=<span><span>6<span> or </span></span>x</span></span>=<span>0</span></span>
6 0
4 years ago
If KC = 31, what is KN?
Valentin [98]

Answer:

If KC = 31 then KN = 33

Step-by-step explanation:

3 0
3 years ago
What is the positive solution to this equation?<br><br> 3x^2+16x=112
ikadub [295]

Answer:

This equation is in standard form: ax 1+bx+c=0. Substitute 9 for a, 16 for b, and −112 for c in the quadratic formula 2a−b±b2−4ac.x= 2×9−16± 16^2−4×9(−112)Square 16.x=2×9−16±256−4×9(−112) Multiply −4 times 9.x=2×9−16± 256−36(−112) Multiply −36 times −112.x=2×9−16±256+4032 Add 256 to 4032.x=2×9−16±4288 Take the square root of 4288.x=2×9−16±8+67 Multiply 2 times 9x=18−16±8=67

Step-by-step explanation:

hope this help if not let me know

6 0
3 years ago
Read 2 more answers
What is the solution to the system of equations? ⎧⎩⎨⎪⎪x+3y−z=24x+2y+5z=13x+z=12 (−4, 1, −3) (3, 0, 3) (5, −2, −3) (−1, 2, 3)
snow_tiger [21]
<h3>Answer:</h3>

(5, -2, -3)

<h3>Explanation:</h3>

We assume your equations are ...

  • x +3y -z = 2
  • 4x +2y +5z = 1
  • 3x +0y +z = 12

These have solution (x, y, z) = (5, -2, -3).

_____

<em>How we know</em>

Trying the choices in the last equation eliminates the first and last. Trying the second choice in the first equation eliminates it, leaving the 3rd choice as the answer you're looking for.

We also know because we can ask a graphing calculator to solve the matrix equation (or row-reduce the augmented matrix).

<em>Comment on this problem</em>

The hardest part of this problem is figuring your intent. The equations are not well-separated, so we have a hard time telling what is a constant and what is a coefficient. It took a couple of guesses to sort it out. A little editing before posting would be helpful.

8 0
3 years ago
Please Help <br><br><br><br> …………………..
Minchanka [31]

Answer:

  u = 22

Step-by-step explanation:

The triangles are congruent by SAS, so HI = JI.

  2u = u +22

  u = 22 . . . . . . . subtract u from both sides

5 0
3 years ago
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