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3 years ago

Why does warm water rise to the top of the ocean currents?

Mathematics

2 answers:

Oksanka [162]3 years ago

8 0

Answer:

because of climat change

Step-by-step explanation:

Feliz [49]3 years ago

4 0

Answer:

In the ocean, warmer water expands just like any other matter, and following the principle of density, it rises to the top of the ocean. The cooler water, which is more dense than the warm water, sinks to the bottom and takes up the space left by the rising warm water. The result is a convection current.

Step-by-step explanation:

hope this helps :)

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The ratio of girls to boys in Mr. Smith's homeroom is 3:4. The ratio in Mr. Smith's homeroom to students in the whole 7th grade

Leno4ka [110]

3:4 = G:B

1:5 = Mr. Smith's class: 7th Grade

2:7= 7th: Middle school

12 girls = 3 units

1 unit = 12/3= 4

Boys = 4x4= 16

Whole class = 28 students

Class : Grade = 1:5 7 = number of units in Mr. Smith's class

28 = 1 unit

5 units= 28x5= 140 There are 140 kids in the grade

140 = 2 units

1 unit = 140/2= 70

70x7=490

There are 490 students in the whole grade

6 0

3 years ago

Write 21/4 as a decimal. Round to three decimal places

Nadusha1986 [10]

5.250

To change a fraction to a decimal fraction divide the numerator by the denominator.

that is 21 ÷ 4 = 5.250 ( to 3 decimal places )

5 0

3 years ago

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The equation y + 3 = 5(x-3)

Dimas [21]

Answer:

Your answer is (0,-18)

Step-by-step explanation:

The Y Intercept is (0, -18) and the X Intercept is (18/5, 0)

6 0

2 years ago

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PLEASEE HELPP 3. Evaluate the following equation for x. 2 X = -20 5

KengaRu [80]

Answer:

x=50

Step-by-step explanation:

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3 years ago

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Find the missing lengths in the triangle. round to the nearest tenth if necessary

lubasha [3.4K]

Answer:

$x=8,\\y\approx 6.9$

Step-by-step explanation:

The side lengths of all 30-60-90 triangles are in ratio $x:x\sqrt{3}:2x}$ , where $2x$ is the hypotenuse of the triangle and $x$ is the side opposite to the 30 degree angle.

In the given diagram, the side labelled 4 is opposite to the 30 degree angle. Since $x$ is labelled as the hypotenuse of the triangle, $x$ must be $4\cdot 2=\boxed{8}$ .

Variable $y$ must then represent $x\sqrt{3}$ for $x=4$ , yielding $y=4\sqrt{3}\approx \boxed{6.9}$

7 0

3 years ago