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2 years ago

Eight ones six tens what is the answer

Mathematics

2 answers:

Keith_Richards [23]2 years ago

7 0

Eight ones and six tens in number form is 68.

6 * 10 = 60

8 * 1 = 8

Zielflug [23.3K]2 years ago

6 0

Eight ones = 8
Six tens= 60
60 + 8 = 68

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Rewrite 3/35 and 1/10 so they have common denominators

Aleks [24]

Answer:

$\frac{6}{70}$ and $\frac{7}{70}$

Step-by-step explanation:

The LCM of 35 and 10 is 70.

35×2=70

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You got to multiply 3 with 2 and 1 with 7 to make 6/70 and 7/70.

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2 years ago

If a certain cannon is fired from a height of 8.8 meters above the ground, at a certain angle, the height of the cannonball ab

Dennis_Churaev [7]

Answer:

It would take approximately 6.50 second for the cannonball to strike the ground.

Step-by-step explanation:

Consider the provided function.

$h(t)=-4.9t^2+30.5t+8.8$

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Substitute h(t) = 0 in above function.

$-4.9t^2+30.5t+8.8=0$

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$-49t^2+305t+88=0$

For a quadratic equation of the form $ax^2+bx+c=0$ the solutions are: $x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

Substitute a = -49, b = 305 and c=88

$t=\frac{-305+\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}=-\frac{-305+\sqrt{110273}}{98}\\t = \frac{-305-\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}= \frac{305+\sqrt{110273}}{98}$

Ignore the negative value of t as time can't be a negative number.

Thus,

$t=\frac{305+\sqrt{110273}}{98}\approx6.50$

Hence, it would take approximately 6.50 second for the cannonball to strike the ground.

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2 years ago

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Step-by-step explanation: This is the correct answer on Edge 2021, just did the assignment. Hope this helps ^-^.

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2x>-14-8

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2 years ago

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vampirchik [111]

Answer:

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x=9

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