3 years ago

Which of the following is not equivelemt to the formula for the curcumference of a circle c=2pie r

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

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What is the value of n in the equation –(2n + 4) + 6 = –9 + 4(2n + 1)?<br><br> n =

a_sh-v [17]

Answer:

The final result is: n = 7/10 or n = 0.7.

I think

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3 years ago

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A triangle has a height that is increasing at a rate of 2 cm/sec and its area is increasing at a rate of 4 cm2/sec. Find the rat

lesya [120]

Answer:

The value of rate of which the base is changing $\frac{dB}{dt}$ = - 3 $\frac{cm}{s}$

Step-by-step explanation:

Area = 20 $cm^{2}$

height = 4 cm

$\frac{dH}{dt} = 2 \frac{cm}{sec}$

$\frac{dA}{dt} =$ $2 \ \frac{cm^{2} }{sec}$

we know that area of the triangle is given by

$A= \frac{1}{2} B H$

$B = \frac{2A}{H}$

$B = \frac{2 (20)}{4}$

B = 10 cm

Rate of change of area is given by

$\frac{dA}{dT} = \frac{1}{2} [B\frac{dH}{dt} + H \frac{dB}{dt} ]$

4 = 0.5 [10 × 2 + 4 $\frac{dB}{dt}$ ]

$\frac{dB}{dt}$ = - 3 $\frac{cm}{s}$

This is the value of rate of which the base is changing.

7 0

3 years ago

The asymptote of the function f(x) = 3x + 1 – 2 is . Its y-intercept is

Alekssandra [29.7K]

Answer:

-1

Step-by-step explanation:

1-2=-1

y=mx+b

b= y intercept

5 0

3 years ago

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Let f(x) = 8x - 3 What is f(5)?

zalisa [80]

Answer:

Step-by-step explanation:

To find the answer to this equation, we need to substitute 5 into where x is in the original equation.

f(x) = 8x-3

f(5) = 8(5)-3

f(5)= 40-3

f(5)= 37

and that's it! no further simplifying.

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4 years ago

Which of the following expressions is equal to 1 divided by 16

OLEGan [10]

1 divided by 16 = 1/16

1/16 = 0.0625

your answer should either be: 1/16 or 0.0625

hope this helps

5 0

3 years ago