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erica [24]
3 years ago
15

I need to know how to write this expression forty-three less than twice a number, n

Mathematics
2 answers:
azamat3 years ago
6 0
Here is the answer. 43 < 2n
Sindrei [870]3 years ago
5 0
N= a number
2n= twice a number

If it's 43 less, then it would be 2n-43.

2n-43 is the answer.

Hope this helps!  :)
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What should be added to twice a rational Number -7/3to get 3/7<br>​
saul85 [17]

Answer:

107/21

Step-by-step explanation:

re - phrase the question algebraically:

-14/3 + y = 3/7

LCM of 3 and 7  = 21

-98/21 + y = 9/21

what should be added to -98 to make 9?

answer: 107

therefore answer: 107/21

Hope this helps.

Good Luck

3 0
3 years ago
Lisa studies 5 hours for a particular test and gets a score of 77. At this rate, how many hours would she have to study to get a
Murljashka [212]
77/5=99/x
77x=5*99
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4 0
3 years ago
While the family went on vacation, Lisa boarded her cat at a kennel that charged $9.25 per day. If
charle [14.2K]

Answer:C

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6 0
2 years ago
Read 2 more answers
Simplify the Expression. Clear explanation of monomials appreciated - Thanks!
Nataly [62]
I think the answer is .4m^7n^8

Uhh I don’t know how to give it a clear explanation but all I did was multiply them

-0.8•-0.5= .4

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Hope this helps some.
7 0
3 years ago
1/5x-2/3y=30<br> What is the value of the x in the equation when y=15
svetlana [45]

Answer:

\frac{1}{5} x -  \frac{2}{3} y = 30 \\  \frac{1}{5} x -  \frac{2}{3} 15 = 30 \\  \frac{1}{5} x -  \frac{30}{3}  = 30 \\  \frac{1}{5} x  -  10 = 30 \\  \frac{1}{5} x = 30 + 10 \\  \frac{1}{5} x = 40 \\ x = 40 \div  \frac{1}{5}  \\ x = 40 \times  \frac{5}{1}  \\ x = 40 \times 5 \\ x = 200

I hope I helped you^_^

8 0
3 years ago
Read 2 more answers
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