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poizon [28]
3 years ago
15

The data shown relates the number of thousands of reported whooping cough cases and the number of years passed since the discove

ry of the whooping cough vaccine. Which function models this scenario?
Number of Cases 120 49 19 8 3
Number of Cases 0 5 10 15 20
xxxxxA.y = 26 – 5.4 ln x
B.y = 5.4 – 26 ln x
C.y = –26 + 5.4 ln x
D.y = –5.4 + 26 ln x

It's A
Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

A. y = 26 – 5.4 ln x

Step-by-step explanation:

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PLEASE HELP I"M BAD AT MATH Use the Distributive Property to simplify the expression.
podryga [215]
So you multiply 13 by each variable and it’s coefficient.

13n+52+91m
3 0
3 years ago
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A line that includes the points (6, – 6) and (t, – 7) has a slope of 1/7. What is the value of t?
Lapatulllka [165]

Answer:

t= -1

Step-by-step explanation:

\boxed{ slope = \frac{y _{1} - y_2 }{x_1 - x_2} }

where (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate

\frac{1}{7}  =   \frac{ - 7 - ( - 6)}{t - 6}

\frac{1}{7}  =  \frac{ - 7 + 6}{t - 6}

\frac{1}{7}  =  \frac{ - 1}{t - 6}

cross multiply:

1(t -6)= 7(-1)

t -6= -7

+6 on both sides:

t= -7 +6

t= -1

7 0
3 years ago
What is the equation of the line?
lina2011 [118]

y = x 2 − 3

hopefully its correct.

3 0
3 years ago
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Can you help me please
SIZIF [17.4K]

Answer:

a) 3

b) 15

c) 5

d) 9

e) 5

f) 2

Step-by-step explanation:

How you will put it in the box below:

3, 15, 5, 9, 5, 2

7 0
3 years ago
Richard borrowed $1,250 for two years at 14% a year under an add-on plan. He repaid the loan, including interest, in 24 equal pa
Sauron [17]
First you need to use the compound interest formula to work out the amount of money he had after those two years. To do this you have to make a multiplier for the 14% and you have to put the number of years to the power of the multiplier and of course you need to times the original amount by the multiplier:
(100+14)/100 = 1.14 (making the multiplier)

1250*(1.14)^2 = 1624.5

Then you divide the 1624.5 by 24 to get the equal payments:
1624.5/24 = $67.6875 (rounded to $67.69)

Richard made payments of $67.69 24 times to pay off the loan he had taken out.

Hope this helps! :)
8 0
3 years ago
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