2 years ago

What is the midpoint of the line segment with endpoints (-5.5 -6.1) and (-0.5 9.1)?

Mathematics

1 answer:

Volgvan2 years ago

4 0

Answer:

(-3, 1.5)

Step-by-step explanation:

(-0.5 - 5.5/2, 9.1 - 6.1/2) = (-3, 1.5)

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Sail with the equation by completing the square x^2+8x=-3

maxonik [38]

Answer:

The solutions are $x=-4(+/-)\sqrt{13}$

Step-by-step explanation:

we have

$x^{2} +8x=-3$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +8x+16=-3+16$

$x^{2} +8x+16=13$

Rewrite as perfect squares

$(x+4)^{2}=13$

square root both sides

$x+4=(+/-)\sqrt{13}$

$x=-4(+/-)\sqrt{13}$

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2 years ago

A gym charges a one-time fee of $75 to join, plus membership dues of $25 per month. Which equation represents the total cost, C,

deff fn [24]

Answer:

75+25=100

Step-by-step explanation:

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3 years ago

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Andrews [41]

The correct answer is 300

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3 years ago

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A fair six sided die is rolled 1800 times, what is the theoretical probability that a 5 is rolled?

d1i1m1o1n [39]

Answer:

360 percent. 360 percent probability i think

4 0

3 years ago

What is the solution set of the equation X/5 + x/2 =14?

JulijaS [17]

Answer:

x= 20

Step-by-step explanation:

Solve for x:

(7 x)/10 = 14

Multiply both sides of (7 x)/10 = 14 by 10/7:

(10×7 x)/(7×10) = 10/7×14

10/7×7/10 = (10×7)/(7×10):

(10×7)/(7×10) x = 10/7×14

10/7×14 = (10×14)/7:

(10×7 x)/(7×10) = (10×14)/7

(10×7 x)/(7×10) = (7×10)/(7×10)×x = x:

x = (10×14)/7

14/7 = (7×2)/7 = 2:

x = 10×2

10×2 = 20:

Answer: x = 20

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3 years ago