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3 years ago

Find the area of the shaded region. Round your answer to the nearest hundredth.

Mathematics

2 answers:

makvit [3.9K]3 years ago

8 0

Answer:

Step-by-step explanation:

I NEED HELP ON THIS TOOOOOOOO

valina [46]3 years ago

3 0

Answer:

FIRSTLY GET THE AREA OF THE WHOLE CIRCLE BY USING FORMULA
$pi \times r ^2$
THEN AFTER THAT DIVIDE THE AREA BY 2
AFTER THAT UR ANSWER WILL COME

PLEASE MARK ME AS BRAINLIEST 

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On an algebra test, there are 7 students with As, 9 students with Bs, 11 students with Cs, 3 students with Ds, and 2 students wi

klemol [59]

Students with D's / total students : 3 / (7 + 9 + 11 + 3 + 2) =
3 / 32 = 0.0937...to turn to a percent, multiply by 100 = 9.375....rounded =
9.4% <== ur probability

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3 years ago

I need help with 2 questions please

Nookie1986 [14]

For the first one, the answer is yes.
2. A.-1.
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4 years ago

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Convert 0.7135 to minutes and seconds

Tasya [4]

0.7135 minutes = 42.81 seconds
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3 years ago

At part of an hour passes between 3:12pm an 4:30pm Help

uranmaximum [27]

Answer:

1h 18min

Step-by-step explanation:

Not sure if that is what the problem is asking you.

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3 years ago

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Vista county is setting aside a large parcel of land to preserve it as open space. the county has hired Meghan's surveying firm

Mrrafil [7]

Let $a=$ the length of the shorter leg
Let $b=$ the length of the longer leg
Let $c=$ the length of the hypotenuse

$b=a^{2}-5$
$c=2a^{2}-13$
Pythagorean Theorem:
$c^{2}=a^{2}+b^{2}$
⇒ $(2a^{2}-13)^{2}=a^{2}+(a^{2}-5)^{2}$
Substitute a new variable $n$ into $a^{2}$
⇒ $(2n-13)^{2}=n+(n-5)^{2}$
⇒ $4n^{2}-52n+169=n+n^{2}-10n+25$
⇒ $4n^{2}-52n+169=n^{2}-9n+25$
⇒ $3n^{2}-43n+144=0$
⇒ $(3n-16)(n-9)=0$
⇒ $n=\frac{16}{3}$ or $n=9$
Since 9 is a perfect square, we go with $n=a^{2}=9$
⇒ $a=3$

Plug $a$ into $b=a^{2}-5$
⇒ $b=3^{2}-5$
⇒ $b=9-5$
⇒ $b=4$

Plug $a$ into $c=2a^{2}-13$
⇒ $c=2(3)^{2}-13$
⇒ $c=18-13$
⇒ $c=5$

So the triangle is a 3-4-5 right triangle.

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4 years ago