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3 years ago

PLEASE answer as soon as you can! First correct answer will get BRAINLIEST!!! :)

Mathematics

1 answer:

hodyreva [135]3 years ago

5 0

Answer:

(y^4+9x^2)(y^2+3x)(y^2-3x)

Step-by-step explanation:

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Calculate the perimeter of a square whose diagonal measures 29 dm.

mojhsa [17]

Answer:

$4\sqrt{420.5}$ dm

Step-by-step explanation:

A square's diagonal cuts across the square, making two right triangles where the diagonal is the hypotenuse.

We have a right triangle with a hypotenuse of 29, and two legs that are the same length (because they are sides of a square)

So, we can use pythagoreans theorem to find the lengths of the legs, or sides of the square.

$a^2 + a^2 = 29^2$

$2a^2 = 841$

$a^2 = 420.5\\$

$a = \sqrt{420.5}$

Now that we have a side length of $\sqrt{420.5}$ , we just have to multiply that by 4, since a square has 4 sides. This leaves us with a final perimeter of:

$4\sqrt{420.5}$

8 0

4 years ago

What is the range of the function f(x)=2x+4f⁢(x)=2x+4 when the domain is {-2, 0, 3}?

salantis [7]

D. All real numbers is the answers

4 0

3 years ago

A and B are independent events. P(A) = 0.40 P(B) = 0.30 what is P(A|B)?

nignag [31]

Answer:

P(A/B)=1.3

Step-by-step explanation:

P(0.40/0.30)=1.3

5 0

3 years ago

7x+5 plz help I really need help been stuck for 20 minutes

saul85 [17]

What about it? 7x+5 equals what

6 0

3 years ago

Write an exponential function in the form y and (3,72). ab" that goes through points (0,9)

Vikentia [17]

Answer:

$y=9 ( {2}^{x} )$

Step-by-step explanation:

Let the exponential function be

$y = a {b}^{x}$

We substitute (0,9) to get:

$9 = a {b}^{0}$

$9 = a(1)$

$a = 9$

The equation now becomes:

$y = 9 {b}^{x}$

We substitute (3,72) to get:

$72 =9 {b}^{3}$

$8={b}^{3} \\ {2}^{3} = {b}^{3}$

$b = 2$

The equation is therefore

$y=9 ( {2}^{x} )$

3 0

4 years ago