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quester [9]
3 years ago
12

How do you right 7 to the -2 power as a simple fraction

Mathematics
1 answer:
tatuchka [14]3 years ago
7 0

Answer:

1/49

Step-by-step explanation:

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Need some great assistance! Thanks!
Lostsunrise [7]

Answer:

b

Step-by-step explanation:

step by step explanation I'm probly wrong

7 0
3 years ago
Rita's company reimburses her expenses on food, lodging, and conveyance during business trips. The company pays $55 a day for fo
MArishka [77]
<span>"The company pays $55 a day for food and lodging and $0.45 for each mile traveled" means that if she travels m miles and is on a trip for x days then Rita will receive:

55x + 0.45m dollars. 


Rita drove 300 miles, means that m=300. Thus </span>55x + 0.45m becomes <span>

</span>55x+0.45m=55x+0.45 \cdot 300=55x+135 (dollars.)

She was reimbursed  $2,335 means that 55x+135=2,335.


Part A: 55x+135=2,335.

Part B: 

We are given the equation 55x+135=2,335. Subtracting 135 from both sides we have:

55x=2,335-135=2,200.

Dividing both sides by 55, we get: x=2,200/55=40.


Part C: since x represents the number of days Rita spend on this trip, and x=40, then Rita spent 40 days on this trip. 
5 0
3 years ago
Pls answer and thanks!!
Keith_Richards [23]

Answer:

Problem:

Solve 3x−y=6;y=x−4

Steps:

I will try to solve your system of equations.

y=x−4;3x−y=6

Step: Solvey=x−4for y:

Step: Substitutex−4foryin3x−y=6:

3x−y=6

3x−(x−4)=6

2x+4=6(Simplify both sides of the equation)

2x+4+−4=6+−4(Add -4 to both sides)

2x=2

2x

2

=

2

2

(Divide both sides by 2)

x=1

Step: Substitute1forxiny=x−4:

y=x−4

y=1−4

y=−3(Simplify both sides of the equation)

Answer:

y=−3 and x=1

Step-by-step explanation:

Hope this helped you

3 0
2 years ago
Read 2 more answers
Chad bought 8 pounds of strawberries for 25.52. What is the cost, C, of 1 pound of strawberries
Bumek [7]
I think it would be 3.19.
Dividing 25.52 by 8.
5 0
3 years ago
4x - y = -4<br> 5x = 2y +1<br> how do I solve this using elimination?
julia-pushkina [17]
8x - 2y = -8
-5x + 2y = -1

3x = -9
x = -3
4 0
2 years ago
Read 2 more answers
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