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ycow [4]
3 years ago
5

Chandra has some one dollar bills and some five-dollar bills in her wallet. She has 11 bills. The value of the bills is $39. Sol

ve a system of
equations to find how many of each kind of bill she has.
Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0

Answer:

She has 7 $5 dollar bills and 4 $1 dollar bills.

Step-by-step explanation:

& times 5 plus 4.

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(-2,+<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D" id="TexFormula1" title="\sqrt{x}" alt="\sqrt{x}" align="absmiddle" class=
rewona [7]

(-2 = √x - 7)x² (calculate)

(-9 = √x)x² (remove the parantheses)

-9x² + √x x²

6 0
3 years ago
Jonas is planning out his route for an upcoming race. He uses negative numbers to represent points before
olya-2409 [2.1K]

Answer:

The finish line​

Step-by-step explanation:

Jonas is planning his trip using the finish line as reference point. He is using an interval scale (using meters as measurement) and the finish line = 0 meters or the starting point. Anything before the finish is negative and anything after is positive. In this case, his wife is located at 91 + 14 = 105 meters away from him. When you use an interval scale to measure distance, you must use absolute values to determine the distance because positive and negative points.  

6 0
3 years ago
2x + 65 = 180 what is X?
TiliK225 [7]

Answer:

57.5

Step-by-step explanation:

2x+65=180

-65 -65

———————

2x = 115

—— ——

2 2

x = 57.5

7 0
3 years ago
Read 2 more answers
When a number is doubled and 10 is subtracted, the result is 37.
arlik [135]

Answer:

5 0
3 years ago
X^2+(y+)4^2=64 khan academy
Tems11 [23]

Answer: The center is 0,4

Step-by-step explanation:

Use this form to determine the center and radius of the circle:

(

x-h)^2+(y-k)^2=r^2

Match the values in this circle to those of the standard form. The variable  r  represents the radius of the circle,  h  represents the x-offset from the origin, and  k  represents the y-offset from origin:

r=8

h=0

k=4

The center of the cirle is found at (h,k): (0,4)

The radius is 8

4 0
3 years ago
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