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3 years ago

12

In Europe, the speed limits on the highways are posted in kilometers per hour. In the United States, the speed limits are posted

in miles per hour. What is the equivalent rate of 65 miles per hour in kilometers per hour?

1 answer:

mina [271]3 years ago

8 0

I believe the answer is 104 km per hour. correct me if i’m wrong anyone.

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I need help with this question please?! I'm having a hard time answering it!

Darina [25.2K]

Answer:

£0.40

Step-by-step explanation:

Divide £40 by £3.30 to find the number she can buy

£40 ÷ £3.30 = 12.1212..

That is she can buy 12 light bulbs

cost = 12 × £3.30 = £39.60

change = £40 - £39.60 = £0.40

4 0

2 years ago

What is the sign of f on the interval -2

TEA [102]

Answer:

$f$ is sometimes positive and sometimes negative.

Step-by-step explanation:

$f(x)=(x-3)(x+2)(x+4)(x+4)(x-1)(2x-9)$

Take $x=-1\in(-2,\frac{9}{2})\ as-2$

$f(-1)=(-1-3)(-1+2)(-1+4)(-1-1)(-2-9)\\\\=(-4)(1)(3)(-2)(-11)\\\\=-264\\\\f(-1)$

Take $x=2\in(-2,\frac{9}{2})\ as\ -2$

$f(2)=(2,-3)(2+2)(2+4)(2-1)(2\times2-9)\\\\=(-1)(4)(6)(1)(-5)\\\\=120\\\\f(2)>0$

Hence $f(x)$ for $x=-1$ and $f(x)>0$ for $x=2$

So $f$ is sometimes positive and sometimes negative in the interval.

3 0

3 years ago

The man is pushing with a force of 75 N. The rock is not moving. This is an example of what kind of force?

Oksi-84 [34.3K]

Kinetic energy
Pushing is energy in motion and energy in motion is classified as (KE) kinetic energy

3 0

3 years ago

Gabe invested $350 in baseball cards. If he lost d dollars when he sold the cards, which expression represents the amount of mon

valkas [14]

350 - d = some number

8 0

3 years ago

Read 2 more answers

What is the answer?????/

SCORPION-xisa [38]

The questions is, when z=9, 3z = ? When you multiply 3*9, you get 27

3 0

3 years ago