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sveticcg [70]
3 years ago
8

Square root of 7x plus the square root of 28x

Mathematics
1 answer:
NISA [10]3 years ago
5 0
\sqrt{7x} + \sqrt{28x} \\\sqrt{7x} + \sqrt{4 * 7x} \\\sqrt{7x} + \sqrt{4}\sqrt{7x} \\\sqrt{7x} + 2\sqrt{7x} \\3\sqrt{7x}
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i need help with number 7. its solving systems of equations by substitution. please show work!!! i need help
SIZIF [17.4K]
#7:
<span>Subtract </span>y<span> from both sides:
</span>-4x=6-y

Divide both sides by -4:

Answer:
x= -6-y/4


#7 part 2:

Add <span>y</span><span> to both sides:
</span>-5x=21+y

Divide both sides by -5:

Answer: x=-21+y/5

hope i helped!



7 0
3 years ago
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nata0808 [166]
Um oh that’s stealing
8 0
3 years ago
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Hi guys, can anyone help me with this? Many thanks:)
natka813 [3]

Step-by-step explanation:

<h2>y = √—16x²+8x—2√8x+1+2</h2>
3 0
3 years ago
Pls help it’s due soon and I’m failing :(
romanna [79]

Answer:

Slope is 2/3

Y-intercept is (0, 0)

Step-by-step explanation:

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5 0
3 years ago
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Nate naught shares of a stock at $36.85. The value of the shares increased by $2 more than 40% when Nate sold them. At what pric
kobusy [5.1K]

Answer:

$ 51.59

Step-by-step explanation:

Nate has shares worth $ 36.85.

He says that the value of these shares increased by $ 2 plus 40% of their original value, therefore the final value would be as follows:

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The sale value was of this increase plus the original value, therefore:

$ 36.85 + $ 14.74 = $ 51.59

Nate sold the shares at a value of $ 51.59.

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3 years ago
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