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ra1l [238]
2 years ago
15

The shown bellow question answer

Mathematics
1 answer:
Flura [38]2 years ago
8 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Are of the given figure is ~

\boxed{ 50.28 \:  \: cm {}^{2} }

\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}

The area of the compound shape is equal to ~

Area of rectangle + Area of semi - circle

let's find the Area of rectangle ~

  • length \times width

  • 11 \times 4

  • 44 \:  \:   {cm}^{2}

now, let's find the Area of Semicircle ~

  • \dfrac{ \pi{r}^{2} }{2}

  • \dfrac{3.14 \times 2 \times 2}{2}

  • 6.28 \:  \: c {m}^{2}

So, Area of the given figure is equal to ~

  • 44 + 6.28

  • 50.28 \:  \: cm {}^{2}

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If △ABC is an isosceles triangle where AB¯≅AC¯, m∠A=(2x−20)°, and m∠B=(3x+5)°, then m∠C=__________°.
KengaRu [80]
Refer to the diagram shown below.

Because ΔABC is isosceles and AB = AC, therefore
m∠C = m∠B = (3x + 5)°

The sum of angles in a triangle is 180°, therefore
2(3x + 5) + 2x - 20 = 180
6x + 10 + 2x - 20 = 180
8x - 10 = 180
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x = 23.75°

Therefore
m∠C = 3x + 5 = 3(23.75) + 5 = 76.25°

Answer: 76.25°

6 0
3 years ago
please provider answer? A train travels 160160 km in the same time that a plane covers 720720 km. If the speed of the plane is 2
lys-0071 [83]
T=time
d=st
r=train speed
p=plane speed

<span>160=rt
</span><span>720=pt

speed of plan is 20kmph less than 5 times speed of train
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we notice that 160 times 4.5=720
times first equaton by 4.5

720=4.5rt
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set equal
4.5rt=pt
divide both sides by t
4.5r=p
sub </span><span>p=5r-20 for p
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0=0.5r-20
add 20 to both sides
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times 2 both sides
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sub back</span><span>
p=5r-20
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3 0
3 years ago
7th grade math again ​
Sergio [31]

Answer: pi

Step-by-step explanation:

Formula for circumference = 2 x pi x radius

Formula for diameter = 2 x radius

Plug in 6.25 for radius

Circumference = 2 x pi x 6.25

Diameter = 2 x 6.25

Find ratio by diving Circumference over Diameter:

(2 x pi x 6.25) / (2 x 6.25)

Simplify: answer is pi

could also be 3.14

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2 years ago
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Answer:

1

Step-by-step explanation:

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