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OleMash [197]
3 years ago
10

Somebody can help me with those questions All please

Mathematics
1 answer:
White raven [17]3 years ago
3 0
1] Temperature over the course of an afternoon
This is because graph of typical step function are always plotted in such a way that there is an independent variable which defines the outcome of a dependent one, temperature is not dependent on any factor, it is a random occurrence.
Answer: d] Temperature over the course of an afternoon

2] Discontinuous points are those points which are not defined. From the graph, the number of discontinuous points are 4.
Answer: 1] 4

3]The rate of increase of the function between 10 and 15?
rate of change=(change in y-values)/(change in x-axis)
using point (10,0) and (15,0)
=(0-0)/(15-10)=(0/15)=0
Answer [2] 0

4] a] Stacey Johnson earned $50,825 in 2005, how much was her income tax?
Amount of $50825 is between the income range of $50800 and 50, 900. Thus the tax deductions will be: $3570

b] What was the approximate tax rate paid?
rate=(tax paid)/(income earned)
rate=3570/50825
      =0.07024
c] Her brother, Thomas paid $3510 in taxes, Express his income as an inequality.
The range of tax of $3510 is:
50,400≤x≤50,500
 
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PLEASE HELP?!?!?!
lakkis [162]

Answer:

c. In 2 seconds, the commuter train travels 120 feet.

Step-by-step explanation:

Given

The attached graph

Required

What does x-coordinate of 2 represents

Represent this coordinate with (x,y)

From the graph:

x = 2 when y = 120

Note that:

x = time and y = distance

So:

(x,y) = (2,120)

Which means:

At 2 seconds, the train has travelled a distance of 120ft

<em>From the list of options, (c) is correct</em>

6 0
3 years ago
A rectangle measured 2 ⅔ inches by 1 5/9 inches what is its area
andre [41]

Answer:

4 4/27 sq inches

Step-by-step explanation:

the area is 2⅔ × 1 5/9 = 8/3 × 14/9

= 112/27 = 4 4/27

5 0
4 years ago
Problem 2 Example 2: Bruno spends $23 at the arcade. He purchased two drinks and spent $17 on games. What was the cost of each d
stiks02 [169]

Answer:

$3

Step-by-step explanation:

23-17=6

6/2=3

To check:

6+17=23

3 0
3 years ago
Read 2 more answers
)) Irene made 4 stacks of wooden blocks. The first stack was 4 blocks tall. The second
Romashka [77]

Answer:

I am pretty sure the answer is 30 blocks :)

4 + 11 + 6 + 9 = 30 blocks

6 0
4 years ago
Read 2 more answers
F (x) = -4x + 4<br> f(2)=
sp2606 [1]

<em>Substitute x = 2 as we get</em>

<em>f(2) = -4(2)+4 = -8+4 = -4</em>

<em>Therefore, f(2) = -4</em>

7 0
3 years ago
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