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myrzilka [38]
3 years ago
12

Anyone who understands this?

Mathematics
2 answers:
drek231 [11]3 years ago
5 0

Answer:

option 1 can not be the solution to your inequality.

Step-by-step explanation:

mina [271]3 years ago
3 0

Answer:

here try um well i think 4

Step-by-step explanation:

i dont know i think its just times so 2 times 4 is 8 and 8 is bigger than 7

but i really dont know sorry if im wrong

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Write the equation of the line.
omeli [17]

Answer:

y=x+5

Step-by-step explanation:

The slope of the line is (9-5)/(4-0)=1, and the y-intercept is 5, so the equation is y = x + 5.

4 0
2 years ago
Carla is 5 years old and Jim is 13 years younger than Peter. One year ago Peter's age was twice the sum of Carla and Jim's age.
kari74 [83]
Carla = 5 years old
Jim = 2 years old
Peter = 15 years old
(Peter was 14 years old one year ago)
5+2=7
7x2=14 (14 is the age from one year ago meaning 15 is the current age)
15-2=13
4 0
3 years ago
If f(x)f(x) is an exponential function where f(-1)=5f(−1)=5 and f(7)=32f(7)=32, then find the value of f(4)f(4), to the nearest
Whitepunk [10]

Using an exponential function, it is found that the value of the function when x = 4 is of f(4) = 15.95.

<h3>What is an exponential function?</h3>

It is modeled by:

y = ab^x

In which:

  • a is the initial value.
  • b is the rate of change, as a decimal.

In this problem, we have that f(-1)=5, hence:

5 = ab^{-1}

\frac{a}{b} = 5

a = 5b

We also have that f(7)=32, hence:

32 = ab^7

Since a = 5b:

5b^8 = 32

b = \sqrt[8]{\frac{32}{5}}

b = 1.2612.

a = 5b = 5 x 1.2612 = 6.306.

Hence the function is given by:

y = 6.306(1.2612)^x

Then, when x = 4, we have that:

y = 6.306(1.2612)^4 = 15.95

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

5 0
2 years ago
36. Factorize x-12x + 20​
m_a_m_a [10]

Answer:

{ \tt{ {x} - 12x + 20}} \\{ \tt{ =-11x + 20 }}

6 0
3 years ago
Read 2 more answers
Please help me in question 9 and please explain it
lesya692 [45]
If the battery was used for 11 hours, then the value of x we use is 11
Subtitute x with 11 in the equation
y = 100 - 8.9x
y = 100 - 8.9(11)
y = 100 - 97.9
y = 2.1
The remaining power is 2.1%
the answer is option b
7 0
2 years ago
Read 2 more answers
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