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3 years ago

Can someone please help for brainlest

Mathematics

2 answers:

Ilia_Sergeevich [38]3 years ago

7 0

Answer:

yes it is correct

Step-by-step explanation:

option 1

OLEGan [10]3 years ago

3 0

Answer:

Your answer is correct! 9:1

Step-by-step explanation:

Old Area = side x side

? = 2 x 2

4cm

New Area-

Step 1: Triple the sides

2 x 3 = ?

6cm

Step 2: Find the area

6 x 6 = ?

36cm

The ratio of the new area to the old area is:

36 : 4

But wait! You can simply it!

36 / 4 = 9

4 / 4 = 1

So the new ratio would be:

9 : 1

Hope this helps!

Good Luck!

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The slope of the green line if the lines are perpendicular is -1/4

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For two lines two be perpendicular, the product of their slope must be -1. Let the slope of the red and green line be m1 and m2.

Given the following

Slope of red line = 4

According the definition

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Hence the slope of the green line if the lines are perpendicular is -1/4

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2 years ago

Given: p || q, and r || s.

MariettaO [177]

Answer:

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Step-by-step explanation:

In the figure attached, a plot of the problem is shown.

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victus00 [196]

Answer:

$\large\boxed{S.A.=4500\pi\ in^2\approx14130\ in^2}$

Step-by-step explanation:

The formula of a surface area of a ball (sphere):

$S.A.=\dfrac{4}{3}\pi R^3$

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We have R = 15in. Substitute:

$S.A.=\dfrac{4}{3}\pi(15^3)=\dfrac{4}{3}\pi(3375)=4500\pi\ in^2$

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$\pi\approx3.14\\\\S.A.\approx(4500)(3.14)=14130\ in^2$

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