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3 years ago

Which number is bigger 5.66 or 5.661?

Mathematics

2 answers:

VLD [36.1K]3 years ago

8 0

Answer:

5.661 is greater

Step-by-step explanation:

5.661 is 0.001 greater than 5.66

If you have any questions feel free to ask in the comments - Mark

Also when you have the chance please mark me brainliest.

ehidna [41]3 years ago

5 0

5.661 is greater it is closer to being 6 than 5.66

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Answer:

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Step-by-step explanation:

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a>-3/9

a>-1/3

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A deer can run for 2 hours at the speed of 45 mph how far can It run in that time

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netineya [11]

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3 years ago

Five increased by the product of x and three is 23. What is x?

Brrunno [24]

Answer:

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Step-by-step explanation:

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3 years ago

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A rocket is shot off from a launcher. The accompanying table represents the height of the rocket at given times, where x is time

galben [10]

Answer:

The height at time of 12.1 seconds is approximately 729.2562 feet

Step-by-step explanation:

The general form of the quadratic regression equation is y = A + Bx + Cx²

The quadratic regression formula is given as follows;

$B = \dfrac{S_{xy}S_{x'x'}-S_{x'y}S_{xx'}}{S_{xx}S_{x'x'} -(S_{xx'})^2}$

$C = \dfrac{S_{x'y}S_{xx}-S_{xy}S_{xx'}}{S_{xx}S_{x'x'} -(S_{xx'})^2}$

$A = \bar y - B \bar x - C \bar {x^2}$

$S_{xx} = \Sigma (x_i - \bar x)^2$

$S_{xy} = \Sigma (x_i - \bar x)(y_i - \bar y)$

$S_{xx'} = \Sigma (x_i - \bar x)(x^2_i - \bar {x^2})$

$S_{x'x'} = \Sigma (x^2_i - \bar {x^2})^2$

$S_{x'y} = \Sigma (x^2_i - \bar {x^2})(y_i - \bar {y})$

Solving using an online quadratic regression calculator, gives;

A = 2.5643259

B = 246.6374865

C = -15.41986006

Substituting gives;

y = 2.5643259 + 246.6374865·x -15.41986006·x²

When time, x = 12.1, we have;

y = 2.5643259 + 246.6374865×12.1 -15.41986006×12.1²≈ 729.2562 feet

The height at time of 12.1 seconds ≈ 729.2562 feet.

8 0

3 years ago