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3 years ago

In 1989 Dutch ice skater dries van wijhe skated 200km at an average speed of 35.27 km/h. How long was he skating?

Mathematics

1 answer:

Lelu [443]3 years ago

7 0

200/35.27=5.6022409 hours total
Hope this helps!

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1. Find p(-3) if p(x) = 4x3 - 5x2 + 7x - 10

SVETLANKA909090 [29]

Answer:

1) -184

2) 13 $(m^{4}) ^{2}$ -3( $m^{4}$ )+4

Step-by-step explanation:

For problem number 1, Let's start by substituting all the x's for -3

So the equation will look like

p(-3)= $4(-3)^{3}$ - $5(-3)^{2}$ +7(-3)-10

Now, lets simplify by solving the exponents

First we'll do $-3^{3}$ which equals -27

Now we'll do $-3^{2}$ which equals 9

So now our equation looks like

p(-3)=4(-27)-5(9)+7(-3)-10

Now, we are going to multiply all these numbers

First 4(-27) which equals -108

Now -5(9) which equals -45

And finally 7(-3) which equals -21

Now our equation looks like

p(-3)= -108-45-21-10

Now we can solve

-108-45-21-10=-184

8 0

3 years ago

How do u know haw many palces are in 50million without writing it in standerd form

TEA [102]

Write it out

50,000,000

6 0

3 years ago

If the coordinates of A are (1, 1) and the midpoint of AB is

yuradex [85]

Answer:

The coordinates of B are (-5, -1).

Step-by-step explanation:

You can make a linear relationship. Since AB is 1 unit down and 3 units to the left of A, B must be 1 unit down and 3 units to the left of AB.

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2 years ago

Statistics

user100 [1]

Answer:

Step-by-step explanation:

The lower bound is 10.5 and the upper bound is 15.9

Hope it helps!

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2 years ago

Which of the following is E ∪ F?

vesna_86 [32]

For E the answer is 2. Because the square of 1 is one and 9 is three. And 2 to the square root of two which would be 2 time 2= 4

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3 years ago