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3 years ago

Sharon travels a total of 60 mi to school each week. Aarushi travels 75% of the miles Sharon travels to

Mathematics

1 answer:

user100 [1]3 years ago

6 0

..................'.60

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Using 3.14 for it, what is the volume, to the nearest cubic centimeter, of a ball with a diameter of 7 centimeters

Ipatiy [6.2K]

Answer:

180 cm^3

Step-by-step explanation:

The ball is a sphere.

Volume of a sphere = $\frac{4 \pi r^{3} }{3}$

where pi = 3.14 and r = 3.5 cm, (which is half the diameter)

Substituting them in, gives us the answer.

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4 years ago

Find the quotient: 7,308 divided by 18. A) 46 B) 406 C) 406 10/18. D) 408

Svetradugi [14.3K]

Answer:

7308 / 18

= 406

B is the answer.

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3 years ago

A scanner scanned 72 photos in 8 minutes. If it scans photos at a constant rate, it can scan ____ photos in 23 minutes.

valentina_108 [34]

Answer:

207

Step-by-step explanation:

ok so 72 photos in 8 minutes

So the easiest way would be to find how many photos are made per minute.

To do that you would divide 72 by 8 to get 9.

You need how many photos are made in 23 minutes.

To get that you times 23 by 9 to get 207.

207 photos are made in 23 minutes.

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3 years ago

Find the root of <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B2x%20%7B%20%7D%5E%7B2%7D%20%7D%20%20%2B%20x%20%2B%20%20%5Csq

artcher [175]

Answer:

The root of x = -2 + √2

Step-by-step explanation:

Step(i):-

Given $\sqrt{2x^{2} } + x +\sqrt{2} = 0$

⇒ $\sqrt{2} } ( x^2 ) ^{\frac{1}{2} } + x +\sqrt{2} = 0$

⇒ $\sqrt{2}x + x +\sqrt{2} = 0$

⇒ $(\sqrt{2} + 1) x = - \sqrt{2}$

$x = \frac{-\sqrt{2} }{(\sqrt{2} + 1)}$

Step(ii):-

Rationalizing

$x = \frac{-\sqrt{2} }{(\sqrt{2} + 1)} X \frac{(\sqrt{2} - 1)}{(\sqrt{2} - 1)}$

Apply ( a-b ) ( a+b) = a²-b²

$x = \frac{-\sqrt{2}(\sqrt{2} -1) }{(\sqrt{2})^{2} - 1^{2} )} = \frac{-(2-\sqrt{2} }{2-1}$

The root of x = -2 + √2

6 0

3 years ago

Picture ! can i get help with explanation

tekilochka [14]

Answer:

x= 68 degrees

Step-by-step explanation:

every triangle is = to 180 degrees so to find x add 75+37=112

then take 180-112=68

3 0

3 years ago

Read 2 more answers