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3 years ago

Which is the graph of f(x) equals 0.5×4^x

Mathematics

1 answer:

krek1111 [17]3 years ago

4 0

Answer:

Plug in x = 0, x = 1, x = 2. You can see that

if x = 0, y = 0.5

if x = 1, y = 2

if x = 2, y = 8

The graph is

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What is 938 written in standard form?

Furkat [3]

Answer:

$9.38 \times 10^{2}$

Step-by-step explanation:

All numbers in scientific notation or standard form are written

$m \times 10^n$ ,

where m is a number between 1 and 10.

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3 years ago

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fredd [130]

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Step-by-step explanation:

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3 years ago

Given that A varies directly as B and inversely as C and that; A=12 when B=3 and C=2. Find B when A=10 and C=1.5

maria [59]

Answer:

B = 1.875

Step-by-step explanation:

given that A varies directly as B and inversely as C then the equation relating them is

A = $\frac{kB}{C}$ ← k is the constant of variation

to find k use the condition A = 12 when B = 3 and C = 2 , then

12 = $\frac{3k}{2}$ ( multiply both sides by 2 to clear the fraction )

24 = 3k ( divide both sides by 3 )

8 = k

A = $\frac{8B}{C}$ ← equation of variation

when A = 10 and C = 1.5 , then

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15 = 8B ( divide both sides by 8 )

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8 0

2 years ago

Write the equation in y-intercept form slope 2 passes through point (5,-2)

Alenkinab [10]

<h2>Answer</h2>

The equation is y = 2x - 12

<h2>Explanation</h2>

Equation in slope intercept form is

$y = mx + b$

Where,

m = slope

b = y-intercept

Putting the value of slope in this equation:

$y = 2x + b$

From this we can solve the equation for b

$b = y - 2x$

$b = -2 - 2(5)$

$b = -12$

Now, the equation of y-intercept becomes

$y = 2x - 12$

5 0

4 years ago