3 years ago

Please help me!!! :(

Mathematics

1 answer:

eduard3 years ago

5 0

Answer:

1. ecologist

2.species

3. population

4.habitat

Step-by-step explanation:

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Help me with this one please and thank you

Ipatiy [6.2K]

Answer:

Domain: -9, 5, 6, 4 Range: 4, 5, -1,

Step-by-step explanation:

5 0

3 years ago

Solve by elimination 5x-14y=22 -6x+7y=3

Airida [17]

5x - 14y = 22 ⇒ 5x - 14y = 22
-6x + 7y = 3 ⇒ 12x - 14y = -6
 -7x = 28
 -7 -7
 x = -4
 5x - 14y = 22
 5(-4) - 14y = 22
 -20 - 14y = 22
 + 20 + 20
 -14y = 42
 -14 -14
 y = -3
 (x, y) = (-4, -3)

3 0

3 years ago

A rectangular lamina of uniform density is situated with opposite corners at (0,0) and (15,4). calculate its radii of gyration a

Sphinxa [80]

First, you have to find the moment of inertia along the x and y axes. Constant density is denoted as k.

$I_{x}= \int\limits^15_0\int\limits^4_0 {k y^{2} } \, dx dy= \frac{1}{3}k (15-4)^4=4880.33k$

$I_{y}= \int\limits^15_0\int\limits^4_0 {k x^{2} } \, dx dy= \frac{1}{3}k (15-4)^4=4880.33k$

Then, the radii of gyration for

x = √[I_x/m]
y = [I_y/m]

where m = k(15-4)² = 121k. Then,

x = y = [4880.33k/121k] = 40.33

I hope I was able to help you. Have a good day.

7 0

3 years ago

The graph of y = f(x) is shown below. What are all of the real solutions of f(x) = 0?

bazaltina [42]

The answer is 7 because f is a denomination

6 0

3 years ago

What number should be added to the expression x^2 + 6x to change it into a perfect square trinomal

alexandr402 [8]

Hello.

The correct is answer is 9.

You have to do half of 6 (3) and then square it that equals 9

So it should be x^2 + 6x +9

Have a nice day

5 0

3 years ago