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Thepotemich [5.8K]
3 years ago
15

Which of these approximations of pi is the least accurate? A 3 B 3.1 C 3.14 D 3.14159

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
5 0

Answer:

Probably the first one Bc the rest are technically somewhat correct and I’d think just 3 would be the least accurate

Step-by-step explanation:

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Complete the square to the problem X^2+6x-16=0
marishachu [46]

Answer:

<h2>x = -8 or x = 2</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\-------------------------------\\\\x^2+6x-16=0\qquad\text{add 16 to both sides}\\\\x^2+6x=16\\\\x^2+2(x)(3)=16\qquad\text{add}\ 3^2\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=16+3^2\\\\(x+3)^2=16+9\\\\(x+3)^2=25\Rightarrow x+3=\pm\sqrt{25}\\\\x+3=-5\ \vee\ x+3=5\qquad\text{subtract 3 from both sides}\\\\\boxed{x=-8\ \vee\ x=2}

3 0
3 years ago
Help please :((((
AysviL [449]

Answer:

115/13

Step-by-step explanation:


6 0
3 years ago
Y=143.3(5)^2+1823.3(5)+6820
MA_775_DIABLO [31]

As the question is written, the <em>correct answer</em> is:


19519.


Explanation:


Our question states

y = 143.3(5)² + 1823.3(5) + 6820


To evaluate this, we use the order of operations (PEMDAS). There is nothing to be evaluated in parentheses, so P is taken care of.


The E part, exponents, is 5². This is 25, which gives us:

y = 143.3(25) + 1823.3(5) + 6820


Next we have M and D, multiplication and division (in the order they appear). Our multiplication is:

143.3(25) = 3582.5; and

1823.3(5) = 9116.5.


This gives us:

y = 3582.5 + 9116.5 + 6820


Lastly, we add these:

y = 12699 + 6820

y = 19519

6 0
3 years ago
Read 2 more answers
The difference between the solutions to the equation x squared = a is 30. What is a? Show that your answer is correct.
Trava [24]
You said that 'A is 30' right there in the equation 
so it would be 
Xsquared=30
5 0
3 years ago
cylinder A has a volume of 360 cm3. Cylinder B has a base and height identical to that of cylinder B, but leans to the right in
irina1246 [14]
If the height is measured between the parallel ends of the cylinder, the volume is identical:
  360 cm³.

_____
If the "height" is measured along the central axis of the cylinder, there is insufficient information to determine the volume.

The slant length of a prism (even a cylindrical one) is immaterial. What matters to the volume is the area of the base and the distance between the planes of the bases (height).
4 0
3 years ago
Read 2 more answers
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