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Rasek [7]
2 years ago
7

Nine less than two times a number is no less than the sum of five times the number and two

Mathematics
1 answer:
N76 [4]2 years ago
6 0
2n-9 <or= 5n+2
                         almost sure, good luck
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Can someone explain this to me.
almond37 [142]

Answer:

option D

3*(\sqrt{x}+\sqrt{x-3})

Step-by-step explanation:

Given in the question an expression,

\frac{9}{\sqrt{x} -\sqrt{x-3}}

Step 1

Divide and multiple by \sqrt{x}+\sqrt{x-3} to remove radical sign from denominator.

\frac{9}{\sqrt{x} -\sqrt{x-3}}*\frac{\sqrt{x} +\sqrt{x-3}}{\sqrt{x} +\sqrt{x-3}}

Step 2

Apply a² - b² = (a+b)(a-b)

\frac{9*\sqrt{x}+\sqrt{x-3}}{\sqrt{x^{2}}-\sqrt{(x-3)^{2}}}}

Step 3

\frac{9*\sqrt{x}+\sqrt{x-3}}{x-x+3}

Step 4

\frac{9*\sqrt{x}+\sqrt{x-3}}{3}

Step 5

3*(\sqrt{x}+\sqrt{x-3})

7 0
3 years ago
Nicole has 18 nickels n and dimes d. If the value of her coins is $1.45, how many of each coin does she
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Answer:

19 nickel = .95

5 dimes = .50

Step-by-step explanation:

.95 + .50 = 1.45

3 0
3 years ago
A family pass to the amusement park costs $54 Using the Distributive Property,write an expression that can be used to fine the c
snow_lady [41]
X represents the amount of children's tickets
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7 0
2 years ago
F(x) = -2(x + 2)2 + 4
USPshnik [31]

Answer:

4x4=?        then we have 2x2=?

Step-by-step explanation: H-JJ-

7 0
2 years ago
2x −3 y = 21 hmu wit da answer
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slope is 2/3 and y intercept is 7

5 0
2 years ago
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