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densk [106]
3 years ago
5

1. Which is the dependents variable in the following situations?

Mathematics
1 answer:
Over [174]3 years ago
3 0
The milk is the dependent variable
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Find r if (r, 6) and (5, -4) are two points on a line with a slope of 5/7 (Hint: use the slope formula)
andreyandreev [35.5K]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have

(r,\ 6),\ (5,\ -4)\\\\m=\dfrac{5}{7}

Substitute

\dfrac{-4-6}{5-r}=\dfrac{5}{7}\\\\\dfrac{-10}{5-r}=\dfrac{5}{7}\qquad|\text{cross multiply}\\\\5(5-r)=(-10)(7)\qquad|\text{use distributive property}\\\\25-5r=-70\qquad|-25\\\\-5r=-95\qquad|:(-5)\\\\\boxed{r=19}

4 0
3 years ago
Allan borrows 1870 dollars from his uncle. Two years later, he borrows another 1240 dollars. If his uncle charges him 8 percent
Anna11 [10]
For t=0
<span>Allan borrows--------------------------- > 1870 dollars

for t=6 years
</span>F1 = P*(1 +(r/m))^n
i=r/m
n=m*t---------- >1*6=6
we have
P1=1870
r=8%
m=1
t=6 years
F1 = 1870*(1 +(0.08/1))^6------------------ >2967.45 dollars

for t=2
Allan borrows--------------------------- > 1240 dollars

for t=6 years
F2 = P2*(1 +(r/m))^n
i=r/m
n=m*t---------- >1*4=4
we have
P2=1240
r=8%
m=1
t=4 years------------> (6-2)=4 years
F2 = 1240*(1 +(0.08/1))^4------------------ >1687 dollars

F1+F2=2967.45+1687=4654.45 dollars
the answer is 4654.45 dollars


3 0
3 years ago
620 + 107 round estimate the sum
Westkost [7]
Okay. 

 620 would be rounded estimate to 600

& 

107 would be rounded estimate to 100 


6 0
3 years ago
Read 2 more answers
Which arrangement for these numbers is from least to greatest 2/3, 3/5, 5/7
Diano4ka-milaya [45]

Answer:5/7, 2/3, 3/5

Step-by-step explanation:

5 0
3 years ago
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Find the slope between:<br> (1, -4)<br> (-6, -1)
alexdok [17]
Use gradient formula
4 0
3 years ago
Read 2 more answers
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