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timama [110]
3 years ago
5

True or False: Cold air is more dense than warm air, causing it to sink and hover near the ground.

Mathematics
1 answer:
GuDViN [60]3 years ago
3 0

Answer:

True! :)

Step-by-step explanation:

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Can some kind person help me with this it will really mean a a lot
nasty-shy [4]

Answer:

Table B

Table C

Table A

Step-by-step explanation:

Substitute by the easiest number which is 0

f(0) =2(0) - (-3) =3 Then it is Table B function

f(0) = -2(0) +(-1/3)= -1/3 Then it is Table C function

f(0) =2(0) +(2/3)=2/3 Then it is Table A function

6 0
2 years ago
Liam has 3 boxes of baseball cards with 50 cards in each box. He also has 5 boxes with 40 basketball cards in each box. If Liam
horsena [70]

Answer:

400 (Sorry if its wrong.)

Step-by-step explanation:

50×3=150

5×40= 200

150+200= 350

350+50=400

3 0
2 years ago
Read 2 more answers
If x = 9 units and h = 4 units, then what is the area of the triangle shown above?
Aleks04 [339]

Answer:

18

Step-by-step explanation:

The area of triangle is b*h/2

so it will be 36/2 which will be 18

Please mark as Brainliest

7 0
2 years ago
What are the solutions to the following system?
bija089 [108]

The solutions are (\sqrt{2},-1) \text { and }(-\sqrt{2},-1).

Solution:

Given equation:

-2 x^{2}+y=-5

Add 2 x^{2} on both sides.

-2 x^{2}+y+2 x^{2}=-5+2 x^{2}

y=-5+2 x^{2} -------- (1)

y=-3 x^{2}+5 (given)  -------- (2)

Equate (1) and (2).

-5+2 x^{2}=-3 x^{2}+5

Add 3 x^{2} on both sides.

-5+2 x^{2}+3 x^{2}=-3 x^{2}+5 +3 x^{2}

-5+5x^{2}=5

Add 5 on both sides.

-5+5x^{2}+5=5+5

5x^{2}=10

Divide by 5 on both sides, we get

x^{2}=2

Taking square root on both sides, we get

x=\sqrt{2}, x=-\sqrt{2}

Substitute x=\sqrt{2} in (1).

y=-5+2(\sqrt{2})^2

y=-5+4

y=-1

Substitute x=-\sqrt{2} in (1).

y=-5+2(-\sqrt{2})^2

y=-5+4

y=-1

Therefore the solutions are (\sqrt{2},-1) \text { and }(-\sqrt{2},-1).

Option C is the correct answer.

6 0
3 years ago
How do I factorise out the negative?
SCORPION-xisa [38]
I think the anser is c that what i think
3 0
3 years ago
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