3 years ago

Can someone tell me the answer to this

Mathematics

1 answer:

geniusboy [140]3 years ago

8 0

Answer:

1.423 x $10^{12}$

5.78 x $10^{-6}$

Step-by-step explanation:

Scientific notation is a way of denoting a quantity as a single-digit number followed by decimals, times a base of ten.

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Find the value of x. Round the length to the nearest tenth.

Colt1911 [192]

To find value of x we can use the sine angle function. From definition and basics of trigonometry we know that,

$\sin(\theta)=\dfrac{\mathrm{opposite}}{\mathrm{hypotenuse}}$

In this case our opposite is x and our hypotenuse is 15m and our angle $\theta$ is 35°.

Therefore,

$\sin(35^{\circ})=\dfrac{x}{15}$

If we solve for x,

$x=15\sin(35^{\circ})\approx\boxed{8.6\mathrm{m}}$

Hope this helps.

r3t40

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3 years ago

Mr.Richards wants to buy disposable masks for his family. Blue mask cost 1.50 and white mask cost 2.50. He has 45 dollars to spe

Colt1911 [192]

Answer:

he would have to buy the blue masks at 1.50 each

Step-by-step explanation:

you divide

$45 \div 20 = 2.25$

witch equals 2.25 so he can only spend $2.25 per mask so that's how i found out he can only buy the blue masks

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3 years ago

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Karolina [17]

Answer:

1. Terminating

2. 60

3. I don't know

Step-by-step explanation:

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3 years ago

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lbvjy [14]

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3 years ago

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