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485

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Need help desperately

Using the first formula which refers to fountains please help me solve question 3 and4
Help is greately appereictaed and needed. Thank you in advance.
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Guest Apr 18, 2016

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607

2

Need help

How much of a radioactive kind of tin will be left after 30 days if you start with 160 grams and the half-life is 10 days?

Guest Apr 18, 2016

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523

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Red blood cells are around 7 x 10 -6 (the six is the scientific number) meters. Lindsey is about 1.5 meters tall. About how many times taller is

Red blood cells are around 7 x 10-6 (the six is the scientific number) meters. Lindsey is about 1.5 meters tall. About how many times taller is Lindsey then one of her red blood cells.

Guest Apr 18, 2016

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870

1

+157

THIS IS HARD

Find all angles in [0°, 360°]
sin 2θ= cosθ

ariannasofia1 Apr 18, 2016

0

438

1

how is this right

111,111,111*111,111,111=12345678987654321 how???

Guest Apr 18, 2016

0

983

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+270

Suppose that a particle has position s(t) feet at time t seconds and a velocity function s'(t)=3sin(t) ft/s. Find the displacement (change in position) from

Suppose that a particle has position s(t) feet at time t seconds and a velocity function s'(t)=3sin(t) ft/s. Find the displacement (change in position) from time t=0 seconds to time t=pi seconds.

gretzu Apr 18, 2016

0

352

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log question

what is the negative log of 3.82*10(-3)

Guest Apr 18, 2016

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405

1

cos

how to find the cos

Guest Apr 18, 2016

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412

1

area

how many times bigger would the area of a figure be if a scale factor of 12 is applied

Guest Apr 18, 2016

0

385

1

trig ratios

bobby's favorite kite is stuck in the very top of a tree. His kite is 50 feet long and the angle of elevation to the top of the tree is 35 degrees. How tall is the tree?

Guest Apr 18, 2016

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394

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Physics unit 7

A Wankel engine uses aluminum in its housing structure, which has a greater coefficient of thermal expansion than the material used in a piston engine, which is often cast iron. such a feature prevents an overheated Wankel engine from seizing, an especially read more ..

Guest Apr 18, 2016

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694

1

what is 0.33 in fraction form

what is 0.33 in fraction form

Guest Apr 18, 2016

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404

0

operaciones

126×10∧3+22×10∧-4=

Guest Apr 18, 2016

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387

0

I need help

how do you add two variables

Guest Apr 18, 2016

0

361

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Trigonometry

if I have to use sine and the hyp is 'x' and the opp is '5' then how can i write that. I cannot do sin(30) x 5 = 'x' obviously because it is opp devided by hyp (so 5 divided by 'x'). So would I do sin(30) divided by 5 - 'x'?

Guest Apr 18, 2016

+6

751

1

+82

Help Me Please!!! W*F!!!

Consider the following number sentences.
A: 9÷3=3÷9
B: 9×3=3×9
C: 9-3=3-9 read more ..

AdrienAcosta Apr 18, 2016

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