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Vladimir [108]
3 years ago
11

Find 3 consecutive numbers where the product of the smaller two numbers is 19 less than the square of the largest number.

Mathematics
1 answer:
Reika [66]3 years ago
6 0
N; n+1; n+2 - 3 consecutive numbers

n(n + 1) = (n + 2)² - 19    |use a(b + c) = ab + ac and (a + b)² = a² + 2ab + b²

n² + n = n² + 4n + 4 - 19    |subtract n² from both sides

n = 4n - 15    |subtract 4n from both sides

-3n = -15    |divide both sides by (-3)

n = 5

n + 1 = 5 + 1 = 6

n + 2 = 5 + 2 = 7

Answer: 5; 6; 7.
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Step-by-step explanation:

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Which ratio is porportional to 18/21? A.2/3 B. 30/35 C. 36/48 D.1/3
defon
You can solve this problem by applying the proccedure below:
 
 You have:
 
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 18x3/21x2
 36≠42 (2/3 is not proportinal to 18/21).
 
 b)18/21=30/35
 18x35/21x30
 630=630  (30/35 is proportional to 18/21)
 
 c)18/21=36/48
 18x48/21x36
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</span> 
 d)18/21=1/3
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8 0
3 years ago
(Area is a rounded rectangle)<br>4.6 cm long and 5 cm wide<br><br>How do I find area?<br><br>​
andrezito [222]

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multiply 4.6 and 5

Step-by-step explanation:

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Which sphere has a volume of 0.288Pi in.3? A sphere with radius 0.4 inches. A sphere with radius 0.5 inches. A sphere with radiu
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<em>C. A sphere with radius 0.6 inches.</em>

<u><em>Here is why:</em></u>

The equation for the volume of a sphere is:

V=\frac{4}{3} \pi r^3

We can plug in and solve.

V=\frac{4}{3}*\pi *0.6*0.6*0.6

We will multiply everything but leave the 3 to divide later.

So...

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5 0
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I NEED HELPPPP<br> 2( 2.5 - | -6|) need the answer ASAPPPPP
Sloan [31]

The equivalent value of the expression is -7

<h3>Modulus of a function</h3>

The modulus of an expression of value is equal to the positive of such function or value.

Given the expression

2(2.5 - |-6|)

Since the value of -6 is a modulus, the expression will become;

2(2.5 - |-6|) = 2(2.5) - 2(6)

2(2.5 - |-6|) = 5 - 12

2(2.5 - |-6|) = -7

Hence the equivalent value of the expression is -7

Learn more on equation here: brainly.com/question/2972832

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