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pashok25 [27]
3 years ago
15

Simplify the radical expression (5+√3)(5-√3) a. 16 b. 22 c. 25+10√3 d. 16+10√3

Mathematics
2 answers:
Alja [10]3 years ago
8 0
B is the correct answer

(5 +  \sqrt{3} )(5 -  \sqrt{3) }  \\  = 25  -   \sqrt{3 {}^{2} }  = 25  -  3 = 22



good luck
Black_prince [1.1K]3 years ago
7 0

Answer:B: 22

Step-by-step explanation:

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Karmin will make $18.4 for working an hour after the increase.

Step-by-step explanation:

Step 1:

First, we need to determine how much Karmin made an hour.

Karmin's hourly rate = \frac{480}{30} = 16.

So Karmen made $16 every hour that she worked. She worked for 30 hours and earned $480.

She will get a 15% increase in her hourly rate this month.

Step 2:

We need to determine how much 15% of $16 is.

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So the hourly rate for this month 16 + 2.4 = 18.4.

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5 0
2 years ago
4a+(-8), if a= -2 PLZ ANSWER ASAP
Ugo [173]

Answer:

-16

Step-by-step explanation:

4a+(-8)

4(-2)+(-8)

-8+(-8)

= - 16

6 0
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A department store is having a 15% sale on all winter coasts . You purchase a winter coat for 275 . The department store is loca
snow_lady [41]
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3 years ago
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DiKsa [7]

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4 0
3 years ago
Read 2 more answers
Solve the following equation for y.<br>x-5y=-18<br>​
olganol [36]

Answer:

y=15x+185

Step-by-step explanation:

Step 1: Add -x to both sides.

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Step 2: Divide both sides by -5.

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6 0
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