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2 years ago

Determine if 51 is rational or irrational and give a reason for your answer

Mathematics

1 answer:

Luden [163]2 years ago

8 0

Answer:

irrational because the square root of 51 is irrational.

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What is the force required to move a 2,000 kg car with an acceleration of 2 m/s/s?

Airida [17]

We know that According to Newton's Second Law that :

Force acting on an object is equal to the Mass of that Object multiplied by the Acceleration of that Object.

Given Mass of the Car as : 2000 kg

Acceleration of the Car as : 2 m/s²

Force required to move the Car = 2000 × 2 = 4000 Newton

6 0

3 years ago

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Solve the equation for the variable, show your work 11x - 16 = -49 x = _____

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

<h2>Given,</h2>

11x - 16 = -49

=> 11x = - 49 + 16

=> 11x = -33

$= > x = \frac{ - 33}{11}$

=> x = -3 (Ans)

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3 years ago

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Help? I really need it

Lorico [155]

Answer:

34 degrees and 131 degrees

Step-by-step explanation:

Complementary angles always add up to 90 degrees

90 - 56 = 34 degrees (1)

180 - 49 = 131 degrees (2)

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3 years ago

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The SAT is standardized to be normally distributed with a mean µ = 500 and a standard deviation σ = 100. What percentage of SAT

Aliun [14]

Answer:

34.134%

68.268%

Step-by-step explanation:

Given that:

Mean (m) = 500

Standard deviation (s) = 100

Percentage between 500 and 600

P(500 < x < 600)

P(x < 600) - P(x < 500)

Z = (x - m) / s

P(x < 600)

Z = (600 - 500) /100 = 1

P(x < 500)

Z = (500 - 500) / 500 = 0

P(Z< 1) - P(Z < 0)

0.84134 - 0.5

= 0.34134

= 0.34134 * 100%

= 34.134%

B.) Between 400 and 600

P(x < 400)

Z = (400 - 500) /100 = - 1

P(x < 600)

Z = (600 - 500) / 500 = 1

P(Z< 1 ) - P(Z < - 1)

0.84134 - 0.15866

= 0.68268

= 0.68268 * 100%

= 68.268%

8 0

2 years ago

Please Solve This Problem For Me x^2 + 5^2 = 7^2 (^2 Means Squared)

Triss [41]

X^2+5^2=7^2
x^2+25=49
(49-25)
x^2=24
sqrt(24)=4.89897948557

7 0

3 years ago