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romanna [79]
3 years ago
10

Help this mail is annoying

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

1.08 × 10^11

Step-by-step explanation:

Subtract: (1.8*10^11)-(7.2*10^10)

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0.7km in miles<br> Please answer
iVinArrow [24]

Answer:

0.43496 miles

Step-by-step explanation:

To convert from km to miles you can divide the km by 1.609 and that should give you an aproximate value for miles.

7 0
3 years ago
Use the elimination method to solve the system of equations. Choose the correct ordered pair<br>​
UkoKoshka [18]

Answer:

Answer is B

Step-by-step explanation:

12x - y = 25 \\ 9x + y = 17 \\ x =  \frac{17 - y}{9}  \\ 12( \frac{17 - y}{9} ) - y = 25 \\

\frac{204}{9}  -  \frac{12}{9} y - y = 25 \\  \frac{204}{9}  -  \frac{21y}{9}  = 25 \\  -  \frac{21y}{9}  = 25 -  \frac{204}{9}  \\  -  \frac{21y}{9} =  2.33 \\ - 21y =  20.997 \\ y =  - 0.99

y =  - 1 \\ x =  \frac{17 - y}{9}  \\ x =  \frac{17 -  - 1}{9}  =  \frac{18}{9}   \\ x = 2

5 0
3 years ago
What is a No solution? What is a infinite solution?
galben [10]
No is a solid answer and infinite solution well that just means anything
4 0
3 years ago
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Simplify the following expression.
levacccp [35]
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3 years ago
Is 12 posters for 36 students equivalent to 21 posters to 63 student
Dmitry [639]

yes.

this is division. 36 divided by 12 is 3. 63 divided by 21 is 3.

3 0
3 years ago
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