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3 years ago

EASY POINTS:

Mathematics

2 answers:

navik [9.2K]3 years ago

4 0

Answer:

750 ft below, -750ft relative to sea level

Step-by-step explanation:

-450-300=-750

this should help u pls give thx and a brainliest ;)

iVinArrow [24]3 years ago

3 0

Answer: -750ft

Step-by-step explanation: -450+-300=-750

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Is X+2y+3z equivalent to z+Y+Z+X+Y+Z

ASHA 777 [7]

Answer:

yes

Step-by-step explanation:

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3 years ago

What is 2 to the 0 power

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3 years ago

Read 2 more answers

Plssss help 20 points plssa If K Mis the perpendicular bisector of JL, find x. Plsss

Viefleur [7K]

Answer:

x= 7

Step-by-step explanation:

4x+9 =11x-61

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2 years ago

The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi

Rom4ik [11]

Answer:

The base is 24 cm long.

Step-by-step explanation:

Equations

Let's call

b= base of the triangle

h=height of the triangle

The base is 9 cm longer than the height, thus:

b = h + 9

The area of the triangle is:

$\displaystyle A=\frac{bh}{2}$

$\displaystyle A=\frac{(h+9)h}{2}$

And its value is 180:

$\displaystyle \frac{(h+9)h}{2}=180$

Multiplying by 2:

$(h+9)h=360$

Operating:

$h^2+9h-360=0$

Factoring:

$(h-15)(h+24)=0$

The only valid positive solution is:

h = 15 cm

And b = h + 9 = 24

b = 24 cm

The base is 24 cm long.

7 0

3 years ago

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GalinKa [24]

Step-by-step explanation:

to find the area of a circle, it is pi times radius squared. so 1 times pi squared is pi^2 the area is 4 plus 2pi^2

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2 years ago