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Natalija [7]
3 years ago
8

Can someone do my last question and actually try it​

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

What's the question?

Step-by-step explanation:

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Harry worked 7 hours last week this is one third as many hours as Aiden work how many hours did Aiden work
Eduardwww [97]
21 hrs. Because if Harry worked one third the hrs thats Aiden worked then 7×3 =21 and 21÷3=7. So 7 is one third of 21.
6 0
3 years ago
The sum of a number 1/6 of that number 2 1/2 of that number and seven is 12 1/2 find the number
Zigmanuir [339]

Answer:

Step-by-step explanation:

x = the number

x + 1/6x + 2 1/2x + 7 = 12 1/2

3 + (1/6 + 1/2)x = 12 1/2 - 7

3 + (1/6 + 3/6)x = 5 1/2

3 2/3x = 5 1/2

x = (11/2) / (11/3)

x = 11 / 2 * 3 / 11

x = 3/2

x = 1 1/2

5 0
3 years ago
A = 40, c = 41, b =<br><br> help please
nikitadnepr [17]

Answer:

I'm thinking it's 42. Did you notice that there is a pattern?

4 0
3 years ago
if $4000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $8000 at 7%?
Archy [21]

So, since it is continuously, we need to think of PERT


A=P\times e^{rt}

So, we just plug our numbers in to solve for T

8000=4000e^{.07t}\\\ln(8000)=\ln(4000e^{.07t})\\\ln(8000) = \ln(4000) + \ln(e^{.07t})\\\ln(8000)=\ln(4000)+.07t\ln(e)\\\ln(8000)=\ln(4000)+.07t\\\frac{\ln(8000)}{\ln(4000)}=.07t\\\frac{\ln(8000)}{.07\ln(4000)}=t\\ 15.479=t

It will take 15.479 years

7 0
3 years ago
Find an equation of the line that passes through (4,5) and that line is parallel to y=3x+2. Give the answer in slope-Intercept f
rodikova [14]

Answer:

y = 3x - 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x + 2 ← is in slope- intercept form

with m = 3

Parallel lines have equal slopes, thus

y = 3x + c ← is the partial equation

To find c substitute (4, 5) into the partial equation

5 = 12 + c ⇒ c = 5 - 12 = - 7

y = 3x - 7 ← equation of line

3 0
3 years ago
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