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vagabundo [1.1K]

3 years ago

9

Romeo is using a common algorithm to find the product of 8,125 × 9. Drag the correct numbers to the problem to show the partial

products and to complete the multiplication for Romeo.

2 years ago

niggaaaaaaaaaaa

2 answers:

Virty [35]3 years ago

8 0

Answer:

its harddd

Step-by-step explanation:

rightttttttt

bigdicktryone2 years ago

0 0

nigggaaaaaa

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Half-life of Po-210 is 140 days. If the initial mass of the sample is 5

Anna35 [415]

Answer:

$0.625kg$

Step-by-step explanation:

we are given half-life of PO-210 and the initial mass

we want to figure out the remaining mass <u>after</u><u> </u><u>4</u><u>2</u><u>0</u><u> </u><u>days</u><u> </u>

in order to solve so we can consider the half-life formula given by

$\displaystyle f(t) = a {0.5}^{t/T}$

where:

f(t) is the remaining quantity of a substance after time t has elapsed.
a is the initial quantity of this substance.
T is the half-life

since it halves every 140 days our T is 140 and t is 420. as the initial mass of the sample is 5 our a is 5

thus substitute:

$\displaystyle f(420)=5\cdot{0.5}^{420/140}$

reduce fraction:

$\displaystyle f(420)=5\cdot{0.5}^{3}$

By using calculator we acquire:

$\displaystyle f(420)=0.625$

hence, the remaining sample after 420 days is 0.625 kg

4 0

3 years ago

If Joe works eight hours per week at $10.75 an hour, how much will he make in one month?

Serjik [45]

$10.75 x 8 = $86 x 4(weeks) = <em>$344</em>

7 0

3 years ago

Read 2 more answers

There is a bag of tiles where 8 are red, 5 are blue, 4 are orange, and 3 are green. If one is picked at random, replaced, and an

sesenic [268]

Answer:

i think it is 1/100

Step-by-step explanation:

4/20^2 add all the marbles number together than put the amount of orange marbles on top of it so it is 4/20 than square it

8 0

2 years ago

mhairi invest 1000 for 5 years at 4% compound interest p.a calculate how much interest she has gained over the 5 years

KiRa [710]

Answer:

Step-by-step explanation:

$1000×1.04⁵ ≅ $1216.65

interest ≅ $216.65

5 0

3 years ago

What is the vertical clearance 2 m from the edge of the tunnel?

raketka [301]

When x=0 y=50 when y=0 x=+\-5. -x^2 makes the parabola open downward y(x)=2x^2+50;y(3)=2*9+50=32

4 0

3 years ago