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2 years ago

Multiply 9· (-1) can u pls help me with this q

Mathematics

1 answer:

kirill115 [55]2 years ago

6 0

A positive times a negative will always be negative
9 x -1 = -9
-9, Hope this helps!

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2( 1/5 m− 2/5 )+ 3/5

Liula [17]

Answer:

2m/5-1/5

Step-by-step explanation:

2*m-2/5+3/5

2(m-2)/5+3/5

2m-4/5+3/5

2m/5-1/5

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2 years ago

A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the

Liono4ka [1.6K]

Answer:

The wall is 10.5 foot far from the bottom of the ladder.

Step-by-step explanation:

Given:

Height of the ladder leaning against wall (Hypotenuse) = 20 foot.

Height from where the window is above from the ground (Leg1) = 17 feet.

To find the distance of the bottom of the ladder far from the wall (Leg2) = ?

Now, by using the pythagorean theorem:

$Hypotenuse^{2} = (Leg1)^{2} + (Leg2)^{2}$

$20^{2} =17^{2}+(Leg2) ^{2}$

$400=289+(Leg2)^{2}$

$400-289=(Leg2)^{2}$

$111=(Leg2)^{2}$

by squaring both sides

$Leg2=10.535$

10.535 foot rounded nearest tenth is 10.5 foot.

Therefore, the wall is 10.5 foot far from the bottom of the ladder.

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2 years ago

Find the inverse function in slope-intercept form f(x)=4/5x-16

jeka57 [31]

Y intercept slope - 5,0
X intercept slope - 0,-4

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2 years ago

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eimsori [14]

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Look at the attached picture

Hope it will help you...

Good luck on your assignment

~pragya

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