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Valentin [98]
2 years ago
14

5. Which is the graph of the exponential function y = 8(5)x?

Mathematics
1 answer:
marin [14]2 years ago
5 0

Answer:

The answer is A

Step-by-step explanation:

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72 = 8 x 9
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8988989889 IDK hate doing the it but luv getting the answers
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3 years ago
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What is the length of a small paper clip?​
In-s [12.5K]

Answer: 1.375 inches

Step-by-step explanation:

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3 years ago
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What times what equals 30 but add to get 40?
musickatia [10]
Lets call those two unknown numbers a, b and write the info in the problem as equations:
a*b = 30
a + b = 40
lets solve for a in the second equation and substitute in the first:
<span>a + b = 40
</span>a = 40 - b
therefore:
<span>a*b = 30
</span>(40 - b)b = 30
40b - b^2 = 30
b^2 - 40b + 30 = 0
if we apply the general quadratic equation to solve we have:
b = (40 +- √(1600 - 120))/2
b = (40 +- √(1480<span>))/2
</span>b = (40 +- 38.47)/2
There are two solutions:
<span>b1 = (40 + 38.47)/2
</span><span>b1 = 39.24
b2 = (40 - 38.47)/2
</span>b2 = 0.765
lets use the second solution <span>b2 = 0.765, and substitute in the first equation to find a:
</span><span>a*b = 30
</span>a*0.765 = 30
a = 30/0.765
a = 39.216
so the numbers are 39.216 and 0.765
5 0
3 years ago
Read 2 more answers
3.From Question 2 If Rachel's car can drive 18 miles per gallon of gas, and she has to drive 90
maria [59]

Answer:

90miles divided by 18 miles is 5 gallons

8 0
3 years ago
Write the sum using summation notation, assuming the suggested pattern continues.
Lina20 [59]

<u>ANSWER</u>

\sum _{n = 1} ^{18} (6n - 15)

<u>EXPLANATION</u>

The given series

- 9 - 3 + 3 + 9 + ... + 81

This is an arithmetic series with a common difference of

d =  - 3 -  - 9 = 6

The first term of the series is:

a_1 =  - 9

The general term is given by:

a_n =a_1 + d(n - 1)

a_n = - 9+ 6(n - 1)

a_n = - 9+ 6n - 6

a_n =6n - 15

The last term is 81

We can use this to determine the number of terms in the series.

81=6n - 15

81 + 15=6n

6n = 96

n =  \frac{96}{6}  = 16

The summation notation is:

\sum _{n = 1} ^{18} (6n - 15)

4 0
3 years ago
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