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3 years ago

Please helppp me on this :(

Mathematics

1 answer:

ra1l [238]3 years ago

5 0

Answer: the answer is 4 decimal places and the second one is 10 to the power of 4 (10*4)

Step-by-step explanation:

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What are the solutions to the equation x² = 256?

tester [92]

The correct answer would be 128.

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4 years ago

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(25 points to correct answer)

Kobotan [32]

Answer:

The area of a sector GHJ is $36.3\ cm^{2}$

Step-by-step explanation:

step 1

we know that

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=8\ cm$

substitute

$A=\pi (8)^{2}$

$A=64\pi\ cm^{2}$

step 2

Remember that the area of a complete circle subtends a central angle of 360 degrees

by proportion find the area of a sector by a central angle of 65 degrees

$\frac{64\pi}{360}=\frac{x}{65}\\ \\x=64\pi (65)/360$

Use $\pi =3.14$

$x=64(3.14)(65)/360=36.3\ cm^{2}$

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3 years ago

Name the parts mentioned in the figure below please answer this

Vitek1552 [10]

Answer:

O - point

CD- chord

AB- diametre

I dont know PO sorry

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3 years ago

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5=1.62x+0.117. what does x equal?

Setler [38]

3.01419753086 or approximately 3

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3 years ago

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A pedestrian walks 7.4 kilometers west

attashe74 [19]

Answer: 11.8 km

Step-by-step explanation:

The resulting figure is a right angled triangle shown below

$Apply the Pythagorean theorem to find out the magnitude of the resultant vector $A B$ in the triangle $A B C$ as follows -$$\begin{aligned}&A B^{2}=B C^{2}+C A^{2} \text { (Hypotenuse }{ }^{2}=\text { Base }^{2}+\text { Adjacent }^{2} \text { ) } \\&=7.4^{2}+9.2^{2} \\&=139.4 \\&A B=11.806777 \\&\quad A B \approx 11.8 \mathrm{~km} \text { (Rounded off to the nearest tenth) }\end{aligned}$

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2 years ago