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3 years ago

(2p + 4) + 5 (p-1) - (p+7)

Mathematics

1 answer:

jonny [76]3 years ago

6 0

Your answer will be, "6p - 8"

Thanks,

Deku ❤

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To wash a window that is 4 meters off the ground, Rafi leans a 5-meter ladder against the side of the building. To reach the win

Andre45 [30]

Answer:

Base of the ladder is 3 meters away from the building.

Step-by-step explanation:

Let's use Pythagoras theorem to solve.

Pythagoras theorem says,

$a^{2} +b^{2} =c^{2}$

Here let horizontal distance is "a''

Vertical distance of window is 4 m

So, b=4

The Rafi leans 5 m ladder against the wall. So, c=5.

$a^{2} +4^{2} =5^{2}$

Simplify it

$a^{2} +16=25$

Subtract both sides 16

$a^{2} =9$

Take square root on both sides

a=±3

So, base of the ladder is 3 meters away from the building.

5 0

3 years ago

Plz help me with this

Nitella [24]

Answer: C) y ≥ 3x - 2; $y\leq \dfrac{1}{2}x+3$

Step-by-step explanation:

Blue line:

y-intercept (b) = -2

slope (m) is 3 up, 1 right = 3

shading is above

⇒ y ≥ 3x - 2

Yellow line:

y-intercept (b) = 3

slope (m) is 1 up, 2 right = $\dfrac{1}{2}$

shading is below

$\implies \bold{y\leq \dfrac{1}{2}x+3}$

8 0

4 years ago

Please help me I need to pass

laila [671]

I'll pick B Hope this helps

7 0

4 years ago

Pls help with math I realy need help

AVprozaik [17]

Answer: 803.84

Step-by-step explanation: pi * r^2 * height

3 0

3 years ago

Read 2 more answers

A company wish to place a new telephone into each of its 576 offices. The telephones are sold in sets of 16. How many sets of te

kherson [118]

Answer:

16 + 16 = 32

32 + 32 = 64

Thats 4 16's

64 x 9 (since 36/4 = 9) = 576

Step-by-step explanation:

8 0

3 years ago