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Vanyuwa [196]
3 years ago
8

What is 2/9n-5=2+5/9n Btw its solving equations with variables on both sides

Mathematics
1 answer:
vova2212 [387]3 years ago
4 0

Answer:

n=-0.04761

Step-by-step explanation:

given 2\div 9n-5=2+5\div 9n

2\div 9n-5\div 9n=2+5

\frac{2-5}{9n}=7

-3=7\times 9n

63n=-3

n=\frac{-3}{63}=-0.04761

n=-0.04761 answer

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How to solve step by step
jasenka [17]
X² = 16

the way to isolate your x variable is to square root both sides

√x² = √16
x = <span>± 4

so your answers are 4 and -4</span>
3 0
2 years ago
Use the model below to calculate 9 ÷ 1 3 please help.<br>9/3<br>3/9<br>13 1/2<br>27
ki77a [65]

Answer:

9/13

Step-by-step explanation:

4 0
3 years ago
For what duration of a second does the human eye perceive an image after looking away?
natima [27]

Answer:

B.  One-fourteenth

Step-by-step explanation:

The afterimage may remain for 28 seconds or longer. The apparent size of the afterimage depends not only on the size of the image on your retina but also on how far away you perceive the image to be. When you look at your hand, you see the negative afterimage on your hand.

8 0
2 years ago
Geometry question, any help is appreciated
kodGreya [7K]

Answer:

Hence, the ratios are given by 5:7, 25:49, 125:343.

Step-by-step explanation:

We are given two spheres such that:

Volume of small sphere V_{s} = 250 yd^{3}

Volume of large sphere V_{l} = 686 yd^{3}.

Then the ratio of volume = 250 : 686 = 125 : 343.

Since, the volume of a sphere = \frac{4 \pi \times r^{3}}{3}, this gives us that the ratio of the radius = ∛V_{s} : ∛V_{l}

i.e. The ratio of the radius = ∛125 : ∛343 = 5 : 7.

Further, as the surface area of a sphere = 4 \pi \times r^{2}, this gives us that the ratioof surface area = r_{s} ^{2} : r_{l} ^{2}

i.e The ratio of the surface area = 5^{2} : 7^{2} = 25 : 49

So, the ratio of the surface areas = 25 : 49.

Hence, the ratios are given by 5:7, 25:49, 125:343.

4 0
2 years ago
Read 2 more answers
Simplify the ratio: 28:35
Mama L [17]
28:35
Those are divisible by 7 so divide both sides by seven
the answer is 4:5
3 0
3 years ago
Read 2 more answers
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