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ra1l [238]
3 years ago
13

y varies inversely with x. k, the constant of inverse variation, is 9.62. When y is 2.6, what is x? Round your answer to the nea

rest tenth, if necessary.
Mathematics
1 answer:
Ksivusya [100]3 years ago
5 0

Answer:

3.7

Step-by-step explanation:

2.6  = 9.62/x

2.6x = 9.62     Multiplied each side by x

     x = 3.7       Divided each side by 2.6.

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–4x-2y=-2<br> x-2y=9<br> what do you get if you subtract the second from the first
kirill115 [55]

Answer:

-4×-2y=2

-4×+8y=-8

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2 years ago
What is the value of cos(60)
rewona [7]

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3 years ago
Read 2 more answers
Rewrite 12/17 as a decimal number. Round to the nearest thousandth.
Natasha_Volkova [10]

Answer:

0.706

Step-by-step explanation:

Convert 12/17 to decimal by dividing the numerator by denominator.

12 ÷ 17 = 0.70588.......

The nearest thousandth is the third decimal place.

If we round up: 0.706

If we round down: 0.705

Because the fourth digit is "8", we round up.

If the digit after the one you want to round to is 5 or greater, then you round up. If the digit after is 4 or less, round down..

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4 0
3 years ago
What are the x intercepts of the quadratic function? Y=-x^2+2x-1
saw5 [17]

Answer:

x = 1

Step-by-step explanation:

Given in the question the equation

y = -x² + 2x - 1

To find the x-intercept, substitute in 0 for y

0 = -x² + 2x - 1

To find value of x use quadratic equation

x = -b ± √b²-4ac / 2a

  here a = -1

           b = 2

           c = -1

x1 = -2 + √2²-4(-1)(-1) / 2(-1)

   = -2 + 0 / -2

   = -2 / -2

   = 1

x2 = -2 - √2²-4(-1)(-1) / 2(-1)

   = -2 - 0 / -2

   = -2 / -2

   = 1

8 0
3 years ago
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