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2 years ago

Why will the percent of change always be represented by a positive number

Mathematics

1 answer:

Colt1911 [192]2 years ago

6 0

Because if it is a decrease in change, it will be told as a "fall" in change ;')

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Find the zero(s) of each function algebraically.<br>f(x) = 8x-16<br>

vodomira [7]

the zero(s) of function $f(x)=8x-16$ is x=2

Step-by-step explanation:

We need to find the zero(s) of function algebraically.

We are given: $f(x)=8x-16$

To find the zeros we put the function equal to zero.

$8x-16=0\\Solving:\\8x=16\\x=\frac{16}{8}\\x=2$

So, the zero(s) of function $f(x)=8x-16$ is x=2

Keywords: zero(s) of function

Learn more about zero(s) of function at:

#learnwithBrainly

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2 years ago

In triangle NML, NL=NM, and the perimeter is 52 cm. A,B, and C are points of tangency to the circle. MC=6 cm. Find NL. Explain r

Natalka [10]

I hope this helps you

7 0

2 years ago

The table represents an exponential function.

nasty-shy [4]

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3 0

2 years ago

A tire on a toy car has a diameter of 8 cm if the toy car travels 12,560 cm approximately how many times does the tire rotate? U

Marina86 [1]

Answer:

The number of rotations completed by tire = 500.

Step-by-step explanation:

The diameter of the tire of toy car = 8 cm

Now, DIAMETER = 2 x RADIUS

So, radius of the tire = D/2 = 8/2 = 4 cm

Now, Circumference of the Circle = 2πr

= 2 x 3.14 x 4 = 25.12 cm

Now, $\textrm{Total number of rotations} = \frac{\textrm{Total Area covered}}{\textrm{Area covered in 1 rotation}}$

= $\frac{12,560}{25.12} = 500$

The number of rotations completed by circle = 500.

6 0

2 years ago

What constant acceleration is required to increase the speed of a car from 30 mi/h to 52 mi/h in 5 seconds? (Round your answer t

Alenkasestr [34]

Answer:

$a = 9.84 m/s^2$

Step-by-step explanation:

Given:

Initial speed (Vi) = 30 mi/h = 67.1 m/s

Final speed (Vf) = 52 mi/h = 116.32

Time period(t) = 5 seconds

We know the formula of acceleration in terms of initial speed, final speed and time:

$a = \frac{Vf -Vi}{t}$

$a = \frac{116.32-67.10}{5}$

$a = 9.84 m/s^2$

6 0

2 years ago