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2 years ago

What is the sum of the 2nd square number and the 2nd cube number?

Mathematics

1 answer:

hammer [34]2 years ago

8 0

Answer:

Step-by-step explanation:

Second square number is 9; 3×3

second cube number is 8; 2×2×2

9+8=17.

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What are significant numbers? please explain?

My name is Ann [436]

Non zero digits are always significant. any zeros between two significant digits are significant. a final zero or trailing zero in the decimal portion only are significant.

6 0

3 years ago

2 If = 9 and 3p = x, what is the value of 4p? A) 6 B) 12 C) 18 D) 24

ValentinkaMS [17]

Answer:

The question needs to rewritten

if=9 and 3p=x

assuming then 12 B

Step-by-step explanation:

7 0

3 years ago

What set of transformations is performed on triangle RST to form triangle R’S’T’?

ra1l [238]

Answer:

D. A translation 2 units down followed by a 270-degree counterclockwise rotation about the origin

Step-by-step explanation:

The given triangle has vertices at R(3,4), S(1,1), and T(5,1)

Translating the the vertices down by 2 units, we apply the rule;

$(x,y)\to (x,y-2)$

$\implies (3,4)\to (3,2)$

$\implies (1,1)\to (1,-1)$

$\implies (5,1)\to (5,-1)$

Rotating the resulting vertices through an angle 270 degrees counterclockwise, we apply the rule:

$(x,y)\to (x,-y)$

$\implies (3,2)\to R'(2,-3)$

$\implies (1,-1)\to S'(-1,-1)$

$\implies (5,-1)\to T'(-1,-5)$

Therefore the correct choice is D.

4 0

3 years ago

Select whether the number is rational, irrational, or imaginary. 1/4

rjkz [21]

Because 1/4 is a fractional number, it is also a ratio which means it is Rational. :)

7 0

2 years ago

Read 2 more answers

50 POINTS!!! ASAP plz answer all questions will give brainiest!!!!

Sedaia [141]

Answer:

1. $27x^{2} -78x+16$

2. not completely sure but i think its $x= -2 + 3i$

3.x = 2 i √ 5 , − 2 i √ 5

4.x = − 9 ± √ 73 /2

5. Im not sure...

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7 0

2 years ago