4 years ago

What is the input value?

Mathematics

1 answer:

zloy xaker [14]4 years ago

3 0

Answer:

x = 5

Step-by-step explanation:

Locate - 3 on the y- axis, move across to the right to where the graph is.

Go vertically up from this point to meet the x- axis at point x = 5

Thus

f(x) = - 3 ⇒ x = 5

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A $1,200 computer is losing value at a rate of 22% per year; 2 years

zalisa [80]

Answer:

$730.08

Step-by-step explanation:

22% = 0.22

1 - 0.22 = 0.78

Value after 2 years

v = 1200(0.78)²

v = 730.08

$730.08

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3 years ago

Andrea enjoys running. She keeps a daily journal to record how far she runs. She wears a pedometer to calculate the exact distan

Lana71 [14]

Again this is a simple addition problem I think.

Add 3.6+4.705+5.92=

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3 years ago

Read 2 more answers

Water whose temperature is at 100∘C is left to cool in a room where the temperature is 60∘C. After 3 minutes, the water temperat

Tju [1.3M]

Answer:

21.68 minutes ≈ 21.7 minutes

Step-by-step explanation:

Given:

$T=60+40e^{kt}$

Initial temperature

T = 100°C

Final temperature = 60°C

Temperature after (t = 3 minutes) = 90°C

Now,

using the given equation

$T=60+40e^{kt}$

at T = 90°C and t = 3 minutes

$90=60+40e^{k(3)}$

$30=40e^{3k}$

$e^{3k}=\frac{3}{4}$

taking the natural log both sides, we get

3k = $\ln(\frac{3}{4})$

3k = -0.2876

k = -0.09589

Therefore,

substituting k in 1 for time at temperature, T = 65°C

$65=60+40e^{( -0.09589)t}$

$5=40e^{( -0.09589)t}$

$e^{( -0.09589)t}=\frac{5}{40}$

$e^{( -0.09589)t}=0.125$

taking the natural log both the sides, we get

( -0.09589)t = ln(0.125)

( -0.09589)t = -2.0794

t = 21.68 minutes ≈ 21.7 minutes

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3 years ago

M=110 what is m, the measure in degree s of third angle m=40 m=70 m-30

Ymorist [56]

M=70 cause 180-110=70

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3 years ago

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Maru [420]

Answer:

Step-by-step explanation:

i dont know

8 0

3 years ago