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2 years ago

Write an equation for converting the number of meters to kilometers

Mathematics

2 answers:

oee [108]2 years ago

7 0

Y= X divided by 1000

Y= X/1000

Hope it works! Good luck!

Alexandra [31]2 years ago

5 0

Answer:

Y= X divided by 1000

Y= X/1000

Step-by-step explanation:

I think thats how you answer it hope that helps :))))))))))))))))))))))))

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If you got 11/20 on your exam, how much would it be on /100

Serga [27]

Answer:

55/100

Step-by-step explanation:

Multiply 20 by 5 to get 100 so you multiply 11 by 5 to get 55

4 0

2 years ago

What is the answer ???<br><br> X+2+12=22-3

kifflom [539]

Answer:

x = 5

Step-by-step explanation:

x + 14 = 19

x + 14 - 14 = 19 - 14

x = 5

7 0

2 years ago

Read 2 more answers

Nada is making square coasters with sides of 3 inches. On each coaster is a circular design. What is the radius of the largest c

Natasha2012 [34]

Answer:

1.5

Step-by-step explanation:

diameter is half the length of the circle so if it is 1.5 the full length will be 3 inches which is the full length of the coaster

4 0

2 years ago

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

2 years ago

Need help with two questions regarding geometry

Oksanka [162]

Answer:

I think the first one is 5200 and the second one is 3

7 0

2 years ago