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Vesna [10]
3 years ago
11

Round 164.58 to the nearest whole number.​

Mathematics
1 answer:
AleksAgata [21]3 years ago
7 0
165

djshshsbehehwhwhwjwjwp
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Assume x=x(t) and y=y(t). Find dx/dt if x^2(y-6) = 12y + 3 and dy/dt = 2 when x = 5 and y = 12
777dan777 [17]
x^2(y-6)=12y+3

Differentiate:

2x\dfrac{\mathrm dx}{\mathrm dt}(y-6)+x^2\dfrac{\mathrm dy}{\mathrm dt}=12\dfrac{\mathrm dy}{\mathrm dt}

Plug in everything you know: \dfrac{\mathrm dy}{\mathrm dt}=2, x=5, and y=12

2(5)\dfrac{\mathrm dx}{\mathrm dt}(12-6)+5^2(2)=12(2)\implies\dfrac{\mathrm dx}{\mathrm dt}=-\dfrac{13}{30}
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3 years ago
What is the solution 1/x= x+3/2x^2
weqwewe [10]

Answer:

3

Step-by-step explanation:

1/x=x+3/2x²

By cross-multiplication, we get,

2x²=x(x+3)

2x²=x²+3x

2x²-x²-3x=0

x²-3x=0

x(x-3)=0

x=3

8 0
3 years ago
Is 9,13,16 a right triangle
Dvinal [7]

We can check by using the

pythagorean theorem or a² + b² = c².

Substitute your values in for <em>a</em>, <em>b</em>, and <em>c</em>.

(9)² + (13)² = (16)²

~simplify

81 + 169 ≠ 256

81 + 169 is 250 but 16² is 256.

So, this in not a right triangle.

5 0
3 years ago
What is sum of all palindromic numbers from 1 to 100 ​
Gekata [30.6K]

Answer:

540

Step-by-step explanation:

0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 11 + 22 + 33 + 44 + 55 + 66 + 77 + 88 + 99

7 0
3 years ago
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Mrs. Potter divides the Grade 8 class of 21 students into few equal groups. The number of
Yuri [45]

Answer:

Step-by-step explanation:

list of prime numbers from 1-21

2,3,5,7,11,13,17,19

he has 21 students

the only numbers he can divide by is 3 and 7

21/3=7

21/7=3

7 0
2 years ago
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