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2 years ago

Hello please help thanks

Mathematics

2 answers:

JulijaS [17]2 years ago

4 0

Answer:

evaporation

Step-by-step explanation:

ur welcome

fredd [130]2 years ago

4 0

Evaporation because that is also how it rains

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Simplify -5(4y-7x)+8(3x-2y)

guajiro [1.7K]

Answer:59x-36y

Step-by-step explanation:

-5(4y-7x)+8(3x-2y)

Open the brackets

-20y+35x+24x-16y

Collect like terms

-20y-16y+35x+24x

-36y+59x

Rearrange we get

59x-36y

5 0

3 years ago

Can anyone tell me what is the difference of negative 31w and explain please

kompoz [17]

Negative 31w is different to positive 31w

4 0

3 years ago

Given that lines a and b are parallel and that m∠3 = 66°, find m∠8.A)42°B)66°C)84°D)114°

Ierofanga [76]

Answer:

b 66

Step-by-step explanation:

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2 years ago

100 POINTS

Kisachek [45]

Answer:

Part A) $m=3$

Part B) $m=1$

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Part A) Determine the slope for the line that passes through the points (3,5) and (−1,−7)

substitute the values in the formula

$m=\frac{-7-5}{-1-3}$

$m=\frac{-12}{-4}$

$m=3$

Part B) Determine the slope for the line that passes through the points given by the table of values

Looking at the given table, take two points

(0,-5) and (2,-3)

substitute the values in the formula

$m=\frac{-3+5}{2-0}$

$m=\frac{2}{2}$

$m=1$

7 0

3 years ago

A scientist measures the angle x and the distance y between the Earth and the Sun. Using complete sentences, explain how the sci

Nat2105 [25]

We know that :

$\spadesuit$ $Cos\theta = \frac{Adjacent Side}{Hypotenuse}$

Here Adjacent Side is BC, which is Distance between the Sun and Earth

Hypotenuse is CA, which is Distance between the Sun and Shooting star

⇒ $Cosx = \frac{BC}{CA}$

Given : Distance between Earth and Sun (BC) = y

⇒ $Cosx = \frac{y}{Distance\;between\;the\;Sun\;and\;Shooting\;Star}$

⇒ $Distance\;between\;the\;Sun\;and\;Shooting\;Star = \frac{y}{Cosx}$

3 0

2 years ago