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aniked [119]
3 years ago
12

Can someone please help me!!!

Mathematics
1 answer:
zalisa [80]3 years ago
5 0
Number 12. Is -4ySquared+5y-9
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Solve the inequality 2x – 5 > 7
ziro4ka [17]
<span>2x – 5 > 7 
Add 5 to both sides
2x > 12
Divide 2 on both sides
Final Answer: x > 6</span>
7 0
3 years ago
What is (2/3) to the 4th power?
Wewaii [24]
(\frac{2}{3})^4= \frac{2^4}{3^4}= \boxed{\frac{16}{81}}
8 0
3 years ago
Please Help extra points
Molodets [167]
<h2>A. $123.51</h2><h2 />

1^{st}: $24.48 per year + price * 0.85

2^{nd}: $36.83 per year + price * 0.75

Substitute each value into both equations as price.

A:

129.4635

129.4625

B:

98.158

101.84

C:

145.2055

143.3625

D:

155.703

152.615

A is the lowest value where the second value is lower than the first.

3 0
3 years ago
27^x = 9^x − 4 Question 1 options: x = 8 x = 4 x = −4 x = −8
Mariulka [41]

Answer:

x = -8

Step-by-step explanation:

Given the equation:

27^x=9^{x-4}

Note that

27=3^3\\ \\9=3^2,

then

27^x=(3^3)^x=3^{3x}\\ \\9^{x-4}=(3^2)^{x-4}=3^{2(x-4)}

Rewrite the equation as

3^{3x}=3^{2(x-4)},

then

3x=2(x-4)\\ \\3x=2x-8\\ \\3x-2x=-8\\ \\x=-8

4 0
3 years ago
Change the precent into a fraction in its sinplest form:15%
den301095 [7]

what i got it would be 15/100

7 0
3 years ago
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