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3 years ago

What is the relationship between 0.04 and 0.004

Mathematics

1 answer:

Molodets [167]3 years ago

4 0

0.04 is multiplied 10 times to get 0.004

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A car leaving a stop sign accelerates constantly from a speed of 0 feet per second to reach a speed of 44 feet per second. The d

Nikolay [14]

Answer:

Option C.

Step-by-step explanation:

The distance of the car from the stop sign, d , in feet, at time t , in seconds, can be found using the equation

$d=1.1t^2$

The average rate of change of a function f(x) on [a,b] is

$m=\dfrac{f(b)-f(a)}{b-a}$

We need to find the average speed of the car, in feet per second, between t=2 and t=5.

At t=2,

$d=1.1(2)^2=4.4$

At t=5,

$d=1.1(5)^2=27.5$

The average speed of the car, in feet per second, between t=2 and t=5 is

$\text{Average speed}=\dfrac{d(5)-d(2)}{5-2}$

$\text{Average speed}=\dfrac{27.5-4.4}{3}$

$\text{Average speed}=\dfrac{23.1}{3}$

$\text{Average speed}=7.7$

The average speed of the car, in feet per second, between t=2 and t=5 is 7.7 feet per second.

Therefore, the correct option is C.

5 0

3 years ago

Solve for the unknown in the equation <br> 3(x-1)=21

dimaraw [331]

Answer:

Step-by-step explanation:

The main idea of how to solve it is to isolate the variable. Whatever you multiply, divide, add, or subtract on one side, you must do the same to the other side so that both sides are equal.

3(x-1) = 21

3(x-1) / 3 = 21 / 3

x - 1 = 7

+ 1 + 1

x = 6

6 0

3 years ago

Read 2 more answers

Add. (2x^4+x^3−4x^2+3)+(4x^4−2x^3−x^2+10x+2)

son4ous [18]

All you have to do is combine the like terms and the answer is 6x^4-x^3-5x^2+10x+5

7 0

3 years ago

Read 2 more answers

Simplify the expression: <br> (8+-9)(9+-8)

Paha777 [63]

Answer:

-1

Step-by-step explanation:

(8 + -9)(9 + -8)

A negative times a positive is a negative.

8 + -9

+- = -

8 - 9

8 - 9 = -1

(-1)(9 + -8)

9 + -8

+- = -

9 - 8

9 - 8 = 1

(-1)(1)

Now, we multiply

Remember, a negative times a positive equals a negative.

-1 * 1 = -1

Our answer is -1

5 0

3 years ago

Read 2 more answers

A. Identify the error. *

san4es73 [151]

Answer:

Step-by-step explanation:

The range, in a layman language, is a set of values for which f(x) exist. Hence suppose our pre-image is 0-6,and since f(x)=20x+4 ,then

When x=0, f(x)= 4

When x=1, f(x)=24

When x=2, f(x)=44

When x=3, f(x)= 64

When x=4, f(x)=84

When x=5,f(x)=104

When x=6, f(x)=124

Hence the answer is B.

8 0

3 years ago