2 years ago

Estimate the quotient of 8,132 ÷ 20 to the nearest hundred. Explain how you found the estimate.

Mathematics

1 answer:

bezimeni [28]2 years ago

7 0

Just divide and then get the quotient and round :) use the calculator it helps but that’s the explanation

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Find the slope of the line graph above

MakcuM [25]

the slope is -6/5. This is because it goes down 6, and then to the right for 5. You can also use the slope formula to solve this.

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2 years ago

The Eurasian tectonic plate travels at a

Ronch [10]

Answer:

17.5 cm

Step-by-step explanation:

Multiply 0.7 by 25 to get 17.5 cm.

Hope it helped.

8 0

2 years ago

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NISA [10]

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2 years ago

1/2 (n + 4) = 6 whats n?

madreJ [45]

Answer:

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Step-by-step explanation:

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2 years ago

If sinA =3/5 and A+B =90 find cosB

-Dominant- [34]

$A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}$

$Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1$

Other method:

Look at the picture.

$\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5$

$\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}$

8 0

2 years ago