2 years ago

Geometry help needed! Thanks.

Mathematics

1 answer:

VMariaS [17]2 years ago

4 0

EN = NE

Answer

D. last one

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s344n2d4d5 [400]

Answer:

A. t(x) = 450 - 0.06x

Step-by-step explanation:

The layer which is originally 450 m thick is decreasing by 0.06 m.

450 - 0.06

... per day. x represents days.

0.06x

So,

450 - 0.06x

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3 years ago

Rational root theorem f(x) = 2x4 – 9x2 +7

IRISSAK [1]

Answer: ±1,±1/2,±7,±7/2

Step-by-step explanation:

Hope this helps!

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2 years ago

In a sample with m = 40 and s = 8, what is the z-score corresponding to x = 38?

Alika [10]

Z = (x - m)/s
z = (38-40)/8
z = -2/8
z = -1/4
z = -0.25

The z score is -0.25

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2 years ago

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asambeis [7]

Answer:

I would say 1.5in

Step-by-step explanation:

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2 years ago

Through point (0, 10) and PERPENDICULAR to the line through (-2, -9) and (-4, -17)?

inn [45]

Compute the slope of the line through (-2, -9) and (-4, -17):

$\dfrac{-9-(-17)}{-2-(-4)}=\dfrac82=4$

Any line perpendicular to this line will have slope -1/4. The one that passes through (0, 10) satisifes

$y-10=-\dfrac14(x-0)\implies\boxed{y=10-\dfrac x4}$

3 0

3 years ago