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Flura [38]
3 years ago
13

Explain these three questions please help me I’m begging you please I’ll give brainliest!!!!

Mathematics
1 answer:
Rufina [12.5K]3 years ago
6 0

Answer: 1) The ocean influences weather patterns by distributing heat and moisture around the globe. Warm water is also evaporated from the ocean into the atmosphere, where it can condense and form clouds, which can eventually lead to rain.

2) Both circulate different temperatures around. In the water, it is bringing warm and cold water through ocean currents to different areas around the world. In the atmosphere, it is pushing warm and cold air through winds to various parts of the world.

3) Convection is the circular motion that happens when warmer air or liquid, with faster moving molecules to make it less dense, rises while the cooler air or liquid drops down.  The sun heats the earth’s surface, then, when cooler air comes into contact with it, the air warms and rises, creating an upward current in the atmosphere. That current can result in wind, clouds, or other weather. Convection currents within the earth move layers of magma, and convection in the ocean creates currents.

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Solve:<br> 2x - 20<br> 3<br> - 2x (5 points)<br> a<br> -5 -3<br> a<br> 13
kow [346]

Answer:

Negative five and negative three

6 0
3 years ago
- What is the equation of a cirde with a center
wlad13 [49]

Answer:

<h2>C.</h2>

Step-by-step explanation:

The equationof a circle:

(x-h)^2+(y-k)^2=r^2

<em>(h, k)</em><em> - center</em>

<em>r</em><em> - radius</em>

<em />

We have <em>center = (4, -1) → h = 4, k = -1</em>, and <em>r = 9</em>.

Substitute:

(x-4)^2+(y-(-1))^2=9^2\\\\\huge\boxed{(x-4)^2+(y+1)^2=81}

6 0
2 years ago
Read 2 more answers
A survey of 2541 American households discovered<br> that 64% of the households own one car.
Ipatiy [6.2K]

Answer:

1626.24

Step-by-step explanation:

You need to take the sample(2541) and divide it by the percentage so you would do 2541 x .64 =1626.24

6 0
3 years ago
There are 3 bags each containing 100 marbles. Bag 1 has 75 red and 25 blue marbles. Bag 2 has 60 red and 40 blue marbles. Bag 3
jekas [21]

Answer:

0.4 ; 0.6125

Step-by-step explanation:

Given the following :

Bag 1 : 75 red ; 25 blue

Bag 2: 60 red ; 40 blue

Bag 3: 45 red ; 55 blue

Probability = (required outcome / Total possible outcomes)

A) since the probability of choosing each bag is equal :

BAG A:

P(choosing bag A) = 1 / total number of bags = 1/3 ; P(choosing blue marble) = number of blue marbles / total number of marbles = 25/100

HENCE, choosing a blue marble from bag A : = (1/3 × 75/100) = 25/300

BAG B:

P(choosing bag B) = 1/3 ;

P(choosing blue marble) = number of blue marbles / total number of marbles = 40/100

HENCE, choosing a blue marble from bag A : = (1/3 × 40/100) = 40/300

BAG C:

P(choosing bag C) = 1/3

P(choosing blue marble) = number of blue marbles / total number of marbles = 55/100

HENCE, choosing a blue marble from bag A : = (1/3 × 55/100) = 55/300

= (25/300) × (40/300) × (55/300) = (25 + 40 + 55)/300 = 120/300 = 0.4

2) What is the probability that the marble is blue when the first bag is chosen with probability 0.5 and other bags with equal probability each?

BAG A:

P(choosing bag A) = 0.5 ; P(choosing blue marble) = number of blue marbles / total number of marbles = 25/100

HENCE, choosing a blue marble from bag A : = (0.5 × 75/100) = (0.5 * 0.75) = 0.375

BAG B:

P(choosing bag B) = (1-0.5) / 2 = 0.25 ;

P(choosing blue marble) = number of blue marbles / total number of marbles = 40/100

HENCE, choosing a blue marble from bag A : = (0.25 × 40/100) = (0.25 × 0.4) = 0.1

BAG C:

P(choosing bag C) = (1 - (0.5+0.25)) = 0.25

P(choosing blue marble) = number of blue marbles / total number of marbles = 55/100

HENCE, choosing a blue marble from bag A : = (0.25 × 55/100) = 0.25 × 0.55 = 0.1375

= 0.1375 + 0.1 + 0.375 = 0.6125

7 0
3 years ago
What is 4 1/12 equivalent to?
marusya05 [52]
9/2 or 4.5

hope this helps:)
3 0
3 years ago
Read 2 more answers
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