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4 years ago

Clouds are made up of water droplets. Which statement BEST describes how the water droplets get into the air to form clouds? *

Mathematics

1 answer:

lukranit [14]4 years ago

4 0

Water evaporates from the surface of the Earth and then condenses to form clouds.

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Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21

lawyer [7]

Answer:

$7y = 56$

Step-by-step explanation:

$3(y - 1) = 21$

Divide 3 on both sides:

$y - 1 = 7$

Add 1 to both sides:

$y = 8$

Multiply by 7 on both sides:

$7y = 56$

8 0

3 years ago

Graph the equation F(x)=(1/3)^x

scoray [572]

The value of a=9,b=3 and c=1

Step-by-step explanation:

The graph shown is for function f(x)

The given function is f(x)= $(\frac{1}{3}) ^{x}$

Table says,

X Y

-2 a

1 b

0 c

1 (1/3)

2 (1/9)

To find value of a:

From table, for output value a, input value, x=(-2)

we can write f(-2)=a

Therefore,

f(x)= $(\frac{1}{3}) ^{x}$

f(-2)= $(\frac{1}{3}) ^{(-2)}$

a= $(\frac{1}{3^{(-2)}})$

a= $3^{(2)}$

a=9

To find value of b:

From table, for output value a, input value, x=(-1)

we can write f(-1)=b

Therefore,

f(x)= $(\frac{1}{3}) ^{x}$

f(-1)= $(\frac{1}{3}) ^{(-1)}$

b= $(\frac{1}{3^{(-1)}})$

b= $3^{(1)}$

b=3

To find value of c:

From table, for output value a, input value, x=(0)

we can write f(0)=c

Therefore,

f(x)= $(\frac{1}{3}) ^{x}$

f(0)= $(\frac{1}{3}) ^{(0)}$

c= $(\frac{1}{3^{(0)}})$

c=1

5 0

3 years ago

What is the value of the expression (36 1/2)² ?

Hitman42 [59]

Answer:

1332 1/4

Step-by-step explanation:

(36 1/2)² = (73/2)² = (73 * 73)/(2 * 2) = 5329/4 = 1332 1/4

3 0

3 years ago

Binomial numbers, Stifel

Ivahew [28]

Answer:

binomiales, números combinatorios o combinaciones son números estudiados en combinatoria que corresponden al número

Step-by-step explanation:

5 0

3 years ago

CAN SOMEONE PLS ANSWER-If W(- 10, 4), X(- 3, - 1) , and Y(- 5, 11) classify AEXY by its sides . Show all work to justify your an

AnnZ [28]

Answer:

WX = $\sqrt{74} \approx 8.6023253\\\\$
XY = $2\sqrt{37} \approx 12.1655251\\\\$
WY = $\sqrt{74} \approx 8.6023253\\\\$
Classify: Isosceles

============================================================

Explanation:

Apply the distance formula to find the length of segment WX

W = (x1,y1) = (-10,4)

X = (x2,y2) = (-3, -1)

$d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-10-(-3))^2 + (4-(-1))^2}\\\\d = \sqrt{(-10+3)^2 + (4+1)^2}\\\\d = \sqrt{(-7)^2 + (5)^2}\\\\d = \sqrt{49 + 25}\\\\d = \sqrt{74}\\\\d \approx 8.6023253\\\\$

Segment WX is exactly $\sqrt{74}$ units long which approximates to roughly 8.6023253

-------------------

Now let's find the length of segment XY

X = (x1,y1) = (-3, -1)

Y = (x2,y2) = (-5, 11)

$d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-3-(-5))^2 + (-1-11)^2}\\\\d = \sqrt{(-3+5)^2 + (-1-11)^2}\\\\d = \sqrt{(2)^2 + (-12)^2}\\\\d = \sqrt{4 + 144}\\\\d = \sqrt{148}\\\\d = \sqrt{4*37}\\\\d = \sqrt{4}*\sqrt{37}\\\\d = 2\sqrt{37}\\\\d \approx 12.1655251\\\\$

Segment XY is exactly $2\sqrt{37}$ units long which approximates to 12.1655251

-------------------

Lastly, let's find the length of segment WY

W = (x1,y1) = (-10,4)

Y = (x2,y2) = (-5, 11)

$d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-10-(-5))^2 + (4-11)^2}\\\\d = \sqrt{(-10+5)^2 + (4-11)^2}\\\\d = \sqrt{(-5)^2 + (-7)^2}\\\\d = \sqrt{25 + 49}\\\\d = \sqrt{74}\\\\d \approx 8.6023253\\\\$

We see that segment WY is the same length as WX.

Because we have exactly two sides of the same length, this means triangle WXY is isosceles.

8 0

3 years ago