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mina [271]
3 years ago
8

I just need the answers with these

Mathematics
1 answer:
arlik [135]3 years ago
3 0

Answer:

So the x’s are the slopes and the y’are the y intercept. You write an equation by doing y=mx(slope) + b( y intercept. For example number 4, y=1x+5. Do the rest for all of them that will take me forever. Good luck.

Step-by-step explanation:

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To celebrate getting a new job, Marco went out for a dinner that cost $100. If the local sales tax is 6% and Marco left a 15% ti
lorasvet [3.4K]

9514 1404 393

Answer:

  $121.00

Step-by-step explanation:

Together, the tax and tip were 6% and 15% of $100, or 21% of $100. That means the total cost of Marco's mean was ...

  (1 +21%) × $100 = 1.21×$100 = $121.00

5 0
3 years ago
Anybody get this? please help out?
blsea [12.9K]
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3 0
4 years ago
If Julie invests $9,250 at a rate of 7%, compounded weekly, find the value of the investment after 5 years. $13,455.78
STatiana [176]
What is that $13,455.78? Something? I did this and got $13,122.76.  Here's how I did it:
Use this formula
A=P(1+ \frac{r}{n} ) ^{(n)(t)} where A is the ending amount, P is the starting amount, n is the number of times it compounds a year, and t is the number of years.  We have all we need to set it up:
A=9,250(1+ \frac{.07}{52} ) ^{(52)(5)}
First divide and add inside the parenthesis:
A=9,250(1.001346) ^{(52)(5)}
then multiply the exponents:
A=9,250(1.001346) ^{260}
raise the value inside the parenthesis to the power of 260:
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6 0
3 years ago
Which is the largest interval over which the function in the table is increasing?
Levart [38]

Answer:

Solution given:

y=-1/2 x²

for

f(x)=-1/2 x².

differentiating each term with respect to x

f'(x)=-x

when

x=-4

f'(-4)=4>0 increasing

when

x=-2

f'(-2)=2 >0 increasing

when x=0

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other points are decreasing

so

largest interval of increasing is

A.X<-2

6 0
3 years ago
Read 2 more answers
One hundred dollars less<br> than twice last year's<br> income?
Andrei [34K]

Answer:

2y - 100

Step-by-step explanation:

Last year's income = y

2y-100

7 0
1 year ago
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