3 years ago

Two boys on bicycles start from the same place and ride in opposite directions. One ndes

Mathematics

1 answer:

nata0808 [166]3 years ago

6 0

The sum of their speeds is (27/3) = 9 km/h.

One of them goes at 3 kmh and the other goes at 6kmh

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When working with inequalities what do you do when its x squared > 16 and vice versa does the sign flip.

S_A_V [24]

Answer:

$x4$

$\{x\in \mathbb{R}| \:\left(-\infty \:,\:-4\right)\cup \left(4,\:\infty \:\right) \}$

Step-by-step explanation:

$x^2>16$

$x\sqrt{16}$

$x4$

The interval notation will be:

$\{x\in \mathbb{R}| \:\left(-\infty \:,\:-4\right)\cup \left(4,\:\infty \:\right) \}$

The contrary,

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3 years ago

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What is 1/2 to 1/4 equals

sergey [27]

Do you mean 1/2 of 1/4 if so it’s just timsing the numerator by the numerator and the denominator by the denominator. So, 1 x 1 = 1 and 2 x 4 = 8

Therefore it’s 1/8!

If you didn’t understand I’ll gladly elaborate!

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Kade has 100 flag pins. He has 221 frog pins and 10 dinosaur pins. How many flag and frog pins does Kade have?

bazaltina [42]

Answer:

321

Step-by-step explanation:

because 100+221 equals 321

Hope this helped.

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Step-by-step explanation:

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