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vodka [1.7K]
2 years ago
13

Please help ASAP.

Mathematics
1 answer:
Burka [1]2 years ago
8 0

Answer:

the answer is B x= -4/3

Step-by-step explanation:

9x^2+24x+20=4

9x^2+24x+20-4=0

9x^2+24x+16=0

(3x+4)^2=0

3x+4=0

3x=-4

x= -4/3

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What is the domain of this graph?
jolli1 [7]

Answer:

B 0 ≤x≤9

Step-by-step explanation:

The domain is the input values of the graph.  In this graph it is the values that the time variable takes.

Time can take 0 seconds to 9 seconds

0 ≤x≤9

8 0
3 years ago
HELP ITS DUE TMMR !!!!
pentagon [3]

Answer:

a) B

b) draw a closed circle right before 0.1 (where 0.083 would be)

c) 1/12

6 0
2 years ago
Find the average rate of change between f(-7) and f(-1) in the function f(x)=x^2+2x -8
Levart [38]

Answer:

- 6

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

here [ a, b ] = [ - 7, - 1 ]

f(b) = f(- 1) = (- 1)² + 2(- 1) - 8 = 1 - 2 - 8 = - 9

f(a) = f(- 7) = (- 7)² + 2(- 7) - 8 = 49 - 14 - 8 = 27

Hence

average rate of change = \frac{-9-27}{-1-(-7)} = \frac{-36}{6} = - 6

4 0
3 years ago
If I invest 5,000 at a rate 8.5% for 13 days? How much interest will I earn on my investment if the interest is compounded daily
bogdanovich [222]

Using the formula A = P(1 + r/n)^nt

P = 5,000

r = 8.5% or 0.085

n = 365

t = 13/365 (13 days out of a year)

A = 5,000 (1 + 0.085/365)^365*13/365

A = 5015.16

You will earn $15.16


4 0
3 years ago
The fraction 1/25 as a percent
Ierofanga [76]

Answer:

4%

Step-by-step explanation:

4 0
2 years ago
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