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Tatiana [17]
3 years ago
14

Choose all of the perfect squares 196 256 390 484 564

Mathematics
1 answer:
Elza [17]3 years ago
5 0

Answer:

{196, 256, 484}

Step-by-step explanation:

14² = 196;

16² = 256;

19² = 361;   390 lies between 361 and 400, and is thus NOT a perfect square;

20² = 400;

22² = 484

564 lies between the two perfect squares 23² and 24², but is itself NOT a perfect square.

Thus, the perfect squares are {196, 256, 484}

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How many solutions does the equation −6a + 6a + 5 = 8 have? One Two No solution Infinite solutions
umka21 [38]
<span>−6a + 6a + 5 = 8 
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So, </span><span>No solution.</span>
5 0
2 years ago
What is the negative reciprocal of 7/3?
-BARSIC- [3]

Answer:

-3/7

Step-by-step explanation:

Negative reciprocal means to put a negative and sign and change the numerator and denominator to be in opposite places.

7/3 -> -3/7

Best of Luck!

8 0
2 years ago
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What value of x is in the solution set of 9(2x + 1) &lt; 9x - 18?
Alex17521 [72]

Answer:

b. -3

Step-by-step explanation:

9(2x+1) < 9x-18

(distribute the 9)

18x+9 <9x-18

(subtract 9 from both sides)

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(subtract 9x from both sides)

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(divide both sides by 9)

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6 0
3 years ago
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Add and reduce to lowest terms: 5 1/4+4 5/6
lakkis [162]

Answer:

−6.7 + (−2 1/ 5 )

Step-by-step explanation:

−6.7 + (−2 1/ 5 )

4 0
2 years ago
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4|n+8| = 56 <br><br>please help
Alchen [17]
To solve the absolute value equation you first need to get everything not in the absolute value bars to the other side of the equation.

Step 1) Divide by 4
|n+8| = 14

*Remember: when solving absolute value equations, you make what the expression (n+8) is equal to negative and positive. Not the other way around.

Step 2) Make two equations

n+8 = 14
n+8 = -14

Solve and you'll see that n= 6 and -22
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3 years ago
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