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3 years ago

12

Please help me answer these 3 questions. Also, please EXPLAIN how you got the answer because sometimes people answer but don't e

xplain it.

1 answer:

nirvana33 [79]3 years ago

7 0

Answer:

3 and 4

Step-by-step explanation:

4. 28/105 is what it is trying to explain

3. -3/12 is what it is trying to explain

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Sophia earn $10 per hour babysitting during the summer her bank balance at the beginning was 200 the function the represents you

MrRa [10]

Answer:

410

Step-by-step explanation:

i dont understand exactly

8 0

3 years ago

The mass of a proton is approximately 1.67 x 10−24, and the mass of an electron is approximately 9.11 x 10−28. Find the approxim

nataly862011 [7]

Answer:

≈ 1833

Step-by-step explanation:

To find ratio of proton mass to electron mass, we have to divide.

The numbers are given in <em>scientific notation</em>.

Let a number be $a*10^b$ and another be $c*10^d$ , when we divide, we will follow the rule shown below:

$\frac{a*10^b}{c*10^d}=(\frac{a}{c}*10^{b-d})$

Now, we use the information given to find the ratio:

$\frac{1.67*10^{-24}}{9.11*10^{-28}}\\=(\frac{1.67}{9.11}*10^{-24--28})\\=0.1833*10^4$

This means we can find the number by taking 4 decimal places to the right, so that would becomes:

$0.1833*10^4=1833$

The approximate ratio is 1833 [mass of proton is around 1833 times heavier than mass of electron]

7 0

3 years ago

Read 2 more answers

How to use the unit circle to find the value of tan (-180)?

vodomira [7]

The point on the unit circle corresponding to -180 degrees is
((x, y) = (-1, 0).

<span>tan(-180°) = y/x = 0/(-1) = 0</span>

3 0

3 years ago

If I told you that Mexico's population was 100,000,000 and that their population growth rate was 3.5%, then what would their pop

Stels [109]

Answer:

The population one year from now would be 103,500,000

Step-by-step explanation:

The current population is 100,000,000

Growth rate of 3.5%.

So the population one year from now is 3.5% of the current population(100,000,000) added to the current population(100,000,000).

3.5% of 100,000,000 is 0.035*100,000,000 = 3,500,000.

Added to 100,000,000

100,000,000 + 3,500,000 = 103,500,000

The population one year from now would be 103,500,000

7 0

3 years ago

What are the x-intercept and y-intercept of the line passing through (0,-3) and (5,0)

Butoxors [25]

Answer:

y-intercept: (0, -3)

x-intercept: (5, 0)

Step-by-step explanation:

Trick question! The problem gives you the x and y intercepts. x intercept is when y is 0, and y intercept is when x = 0!

3 0

3 years ago