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makkiz [27]
2 years ago
10

What is the greatest common factor of 20w and 45wt A. W B. T C. 5w D. 45

Mathematics
1 answer:
shusha [124]2 years ago
8 0

Answer:

c

Step-by-step explanation:

20w=4w*5w

45WT=5WT*9WT

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What is bigger 40% of 210 or 1/4
SOVA2 [1]
40% of 210 is 525, and 1/4 of 210 is 52.5, so the answer is 40% of 210 > 1/4 of 210.
3 0
3 years ago
Please explain I really need help
velikii [3]

Answer:

1. 1343 years

2. 9 hours

3. 39 years

Step-by-step explanation:

1. Given, half-life of carbon = 5730 years.

∴ λ = 0.693/half-life of carbon = 0.693/5730 = 0.000121

If N₀ = 100 then N = 85

Formula:- N = N₀*e^(-λt)

∴ 85 = 100 * e^(-0.000121t)

∴㏑(-0.85)=-0.000121t

∴ t = 1343 years

2. Given half-life of aspirin = 12 hours

λ = 0.693/12 = 0.5775

Also N₀ = 100 then 70 will disintegrate and N = 30 will remain disintegrated.

∴ 70 = 100 *e^(-0.05775t)

0.70 = e^(-0.05775t)

㏑(0.70) = -0.05775t

∴ t = 9 hours

3.  The population of the birds as as A=A₀*e^(kt)

Given that the population of birds fell from 1400 from 1000, We are asked how much time it will take for the population to drop below 100, let that be x years.

The population is 1400 when f = 0, And it is 1000 when f = 5

We can write the following equation :

1400 = 1000e^(5t).

∴1400/1000 = e^(5k)

∴ k = ㏑(1.4)/5

We need to find x such that 1400/100 = e^(xk)

14 = e^(xk)

∴ x = 39 years

5 0
3 years ago
PLEASE HELP ME I NEED TO PAST THIS TEST. Jack invests $30,000 with an interest rate of 4.5% compounded quarterly. After 6 years,
zavuch27 [327]

Answer:

1350

Step-by-step explanation:

Hope this helps!

3 0
2 years ago
How many solutions does this system have <br> 2x+3y=-3<br> 3x+5y=-9
olga nikolaevna [1]

Step-by-step explanation:

please mark me as brainlest

5 0
1 year ago
Carmen Martinez
klemol [59]
  • (4,4)
  • (10,7)

\boxed{\sf Slope(m)=\dfrac{y_2-y_1}{x_2-x_1}}

\\ \sf\longmapsto m=\dfrac{7-4}{10-4}

\\ \sf\longmapsto m=\dfrac{3}{6}

\\ \sf\longmapsto m=\dfrac{1}{2}

\\ \sf\longmapsto m\approx0.5

6 0
2 years ago
Read 2 more answers
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