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3 years ago

Which shapes can the shaded area be divided into to find the area?

Mathematics

2 answers:

guapka [62]3 years ago

7 0

Answer:

A rectangle and triangle is correct

Step-by-step explanation:

I got 1 hundo percent

morpeh [17]3 years ago

4 0

Answer:

A rectangle and a TRiangle

Step-by-step explanation:

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Please help right away.

Travka [436]

$\sum\limits_{k=1}^{\infty}420\left(\dfrac{1}{6}\right)^{k-1}$

The infinite geometric series is converges if |r| < 1.

We have r=1/6 < 1, therefore our infinite geometric series is converges.

The sum S of an infinite geometric series with |r| < 1 is given by the formula :

$S=\dfrac{a_1}{1-r}$

We have:

$a_1=420\left(\dfrac{1}{6}\right)^{1-1}=420\left(\dfrac{1}{6}\right)^0=420\\\\r=\dfrac{1}{6}$

substitute:

$S=\dfrac{420}{1-\frac{1}{6}}=\dfrac{420}{\frac{5}{6}}=420\cdot\dfrac{6}{5}=84\cdot6=504$

Answer: d. Converges, 504.

8 0

3 years ago

What is the approximate area of the circle shown below 9.4 cm

aivan3 [116]

Answer:

Step-by-step explanation:

A= πr²

A= 22/7 multiply by the radius.

Divide 9.4cm by 2.

Whatever you get is your answer. Now take the formula I have shown you above. Whatever you get is your answer.

6 0

3 years ago

A figure is composed of a semicircle and a right triangle. Determine the area of the shaded region. Use 3.14 for π and round to

Aliun [14]

Answer:

$A=9.5\ ft^2$

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of triangle plus the area of semicircle

$A=\frac{1}{2}bh+\frac{1}{2}\pi r^{2}$

we have

$b=4\ ft$

Find the height of the right triangle applying the Pythagorean Theorem

$5^2=h^2+4^2$

$h^2=9\\h=3\ ft$

The radius of the semicircle is half the height of triangle

$r=3/2=1.5\ ft$

substitute in the formula

$A=\frac{1}{2}(4)(3)+\frac{1}{2}(3.14)(1.5)^{2}$

$A=6+3.5=9.5\ ft^2$

5 0

3 years ago

Read 2 more answers

HURRY!!

posledela

C: <span>a triangle that must have the same dimensions as the bases</span>

5 0

3 years ago

Ms. Shaw wants to go on vacation to Brazil the cost for one ticket is $985 if she goes with a group the ticket price is marked d

Vitek1552 [10]

Answer:

$837.25

Step-by-step explanation:

100%-> $985

1%->$9.85

15%->$9.85×15=$147.75

85%->$985-$147.75=$837.25

8 0

3 years ago