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3 years ago

Find the x please will give brainliest

Mathematics

2 answers:

Nikolay [14]3 years ago

7 0

Answer: 90

Explanation:

aleksandrvk [35]3 years ago

6 0

I think the answer is 90

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To the nearest square unit what is the area of the regular octagon shown below?

Ede4ka [16]

A=2(1+√2) $a^{2}$

A=2(1+√2)* $15^{2}$

A≈1086.4

The answer is A.

3 0

4 years ago

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Write the percent as a fraction 77.5%

zysi [14]

77.5%

Change to decimal:-

77.5 ÷ 100 = 0.775

775/1000

31/40

77.5% = 31/40

6 0

3 years ago

Please help with this question!! I need serious help!!

asambeis [7]

Answer:

<h2>The circumference is multipled by 4.</h2>

Step-by-step explanation:

The formula of an area of a circle"

$A=\pi r^2$

The formula of a circumference of a circle:

$C=2\pi r$

The area multipled by 16:

$16A=16\pi r^2\\\\16A=\pi(4^2r^2)\\\\16A=\pi(4r)^2$

The radius has increased fourfold, therefore:

$C'=2\pi(4r)=4(2\pi r)=4C$

The circumference is multipled by 4.

You can calculate the area and check the circumference:

$r=11.6\ in\\\\A=\pi(11.6)^2=132.56\pi\\\\16A=(16)(134.56\pi)=2152.96\pi\ in^2$

Calculate the radius:

$\pi r^2=2152.96\pi$ <em>divide both sides by π</em>

$r^2=2152.96\to r=\sqrt{2152.96}\\\\r=46.4\ in$

Calculate the circumference of both circles:

$r=11.6\ in\\\\C=2\pi(11.6)=23.2\pi\ in$

$r=46.4\ in\\\\C'=2\pi(46.4)=92.8\pi\ in$

$\dfrac{C'}{C}=\dfrac{92.8\pi}{23.2\pi}=4\to C'=4C$

5 0

3 years ago

PLZ RESPOND AS SOON AS POSSIBLE

lyudmila [28]

the coordinates of point f is B)7,-5

7 0

3 years ago

Please help will give brainliest

zheka24 [161]

Answer:

25 is the area because5 times 5 equals 25

Step-by-step explanation:

hope this helps

4 0

3 years ago

Read 2 more answers