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lana66690 [7]
2 years ago
7

Need help please help me

Mathematics
1 answer:
Viefleur [7K]2 years ago
4 0

Answer:

k/3 + 6 < 7 = k< 3

2 + p/2 ≥ 7 = p  ≥  10

5 − 4n < 8 − 5n = n < 3

−3n −4 > 4n + 10 = n < -2

9w − 4w + 6 ≥1 + 5w = I couldn't get a solution for this one sorry

Step-by-step explanation:

Hope this helps

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Please help I have limited time
RideAnS [48]

Answer:

Ask it like this so people can see it more

Step-by-step explanation:

Do the points (-1,9) and (2,4) represent the vertex and a sample point, respectivelt, of y= -2(x+1)^2+9? Explain.

8 0
3 years ago
Pls help me answer this question thx
nadya68 [22]

Answer:

\large\boxed{\dfrac{1}{115}}

Step-by-step explanation:

\text{Use}\\\\(a^n)^m=a^{nm}\\\\a^n\cdot a^m=a^{n+m}\\\\(a\cdot b)^n=a^n\cdot b^n\\\\a^{-1}=\dfrac{1}{a}\\--------------------------\\\\\dfrac{5^{2n-1}-4(25^{n-1})}{(5^n\cdot2)^2+3(5^{2n-1})}=\dfrac{5^{2n}\cdot5^{-1}-4\left[(5^2)^n\cdot25^{-1}\right]}{(5^n)^2\cdot2^2+3\left[(5^2)^n\cdot5^{-1}\right]}

=\dfrac{5^{2n}\cdot\frac{1}{5}-4\left(5^{2n}\cdot\frac{1}{25}\right)}{5^{2n}\cdot4+3\left(5^{2n}\cdot\frac{1}{5}\right)}=\dfrac{5^{2n}\left(\frac{1}{5}-\frac{4}{25}\right)}{5^{2n}\left(4+\frac{3}{5}\right)}=\dfrac{\frac{5}{25}-\frac{4}{25}}{4\frac{3}{5}}=\dfrac{1}{25}:\left(\dfrac{4\cdot5+3}{5}\right)\\\\=\dfrac{1}{25}\cdot\dfrac{5}{23}=\dfrac{1}{5}\cdot\dfrac{1}{23}=\dfrac{1}{115}

8 0
3 years ago
2
Kay [80]

Answer:

76

Step-by-step explanation:

140-56= 84

140-84=56

160-84=76

6 0
3 years ago
4 divided by the sum of x and 1 equals the quotient of 3 and the difference of x and 1
LenKa [72]

Answer:

x=7

Step-by-step explanation:

7 0
3 years ago
Change the fraction 13/20 to a decimal. <br><br> A. 0.65<br> B. 0.015<br> C. 0.065<br> D. 0.15
Serga [27]
The answer is A

set 13/20=x/100 13x100 is 1300 divided by 20 is 65.
65/100 is 0.65 as a decimal
7 0
3 years ago
Read 2 more answers
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