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Simora [160]
3 years ago
7

Put √13 into its simplest radical form.

Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

\sqrt{13}

Step-by-step explanation:

It is already in its simplest form. When you simplify a square root, you break the number down into prime numbers.

For example, \sqrt{12} can be changed into \sqrt{2*2*3}. Since 2 is in there twice, you'd take it out and make 2\sqrt{3}.

13 is already a prime number, so you cannot simplify it further.

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The length of a rectangular garden is 30 yards more than the width. The perimeter is 300 yards. Find the length and width
Delicious77 [7]

Answer:

Length is 90yards and width is 60yards

Step-by-step explanation:

Perimeter= 2( length+width)

let the width be x

then the length will be 30 + x

300 = 2(30+x+x)

150 = 30 + 2x

120= 2x

x = 120/2

x = 60 yards

length= 30+x

= 30 + 60

= 90yards

8 0
2 years ago
Calculate the area of parallelogram. <br><br>​
Nesterboy [21]

Answer:

84. What you did is right.

Step-by-step explanation:

A parallellogram's area is b x h. So the equation is 7 x 12=84.

8 0
4 years ago
Read 2 more answers
Find the inflection point of the function of f(x) = x³ -6x² +12x
Wewaii [24]

Points of inflections are zeroes of the second derivative. We have:

f(x)=x^3-6x^2+12x\implies f'(x)=3x^2-12x\implies f''(x)=6x-12

So, the second derivative equals zero if and only if

f''(x)=0\iff 6x-12=0 \iff 6x=12 \iff x=2

So, this is the only point of inflection of this function.

5 0
3 years ago
Simplify the following 20 1/4 - 9 1/2 + 11
Y_Kistochka [10]

Answer:

21 3/4

Step-by-step explanation:

3 0
3 years ago
7) y is inversely proportional to the square root of (x + 1).
Virty [35]
Mark Brainliest please

Answer y= 16/99

Explanation:
the initial statement is
y ∝ 1/x

To convert to an equation multiply by k the constant of variation
⇒ y = k × 1/x = k/x
To find k use the given condition y = 15 when x = 5

y = k/ x

⇒ k = y*x = 8 * 2 =16

equation is
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

y = 16/ x

when
x = 99
then

y = 16/99

Y = 16/99
3 0
3 years ago
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