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2 years ago

The graph shows the proportional relationship between the minutes Oliver

Mathematics

1 answer:

stepladder [879]2 years ago

8 0

Step-by-step explanation:

Given

A proportional relation is given between minutes spend in reading and no of pages

Suppose we choose the point $(2,3)$ , It shows that 2 minutes is taken to read three pages.

Similarly, for point $(4,6)$ , It shows four minutes is taken to read 6 pages.

In this way, 6 minutes is taken for 12 pages.

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The average low temperature by month in Nashville is represented by the function

malfutka [58]

Answer:

Step-by-step explanation:

Given the average low temperature by month in Nashville is represented by the function f(x)=-1.4x² + 19x +1.7, where x is the month, the average rate of change is expressed as d[f(x)]/dx = 2(1.4x) + 19

d[f(x)]/dx = 2.8x + 19

Since the number of months between March and August is 5 months and x is in months, hence we will substitute x = 5 into the resulting function to get the average rate of change from March to August as shown;

d[f(x)]/dx at x = 5

= 2.8(5)+ 19

= 14 + 19

= 33

<em>Hence the average rate of change from March to August is 33</em>

4 0

2 years ago

Where should i place the points!! help please

Mariulka [41]

Try solving the equation and then try plotting the answer. Sry if I didn’t help

6 0

1 year ago

ASAP HELP MATH!!!!!!!! 1st PERSON GETS BRAINLIEST

Masja [62]

Answer:

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Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

The altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 2 cm2/m

Mnenie [13.5K]

Answer:

The base is reducing at a rate of 3.4cm per min.

Step-by-step explanation:

Let The Height of the Triangle, h

Area of the triangle = A

Area of a Triangle, $A= \frac{1}{2}bh$

When $A=190 cm^2, h=10cm$

$190= \frac{1}{2}*b*10\\b=38cm$

$\frac{dA}{dt}=\frac{1}{2}h\frac{db}{dt}+ \frac{1}{2}b\frac{dh}{dt}\\\frac{dh}{dt}=1 cm/min, \frac{dA}{dt}=2cm^2/min,$

$2=\frac{1}{2}*10*\frac{db}{dt}+ \frac{1}{2}*38*1\\2=5\frac{db}{dt}+19\\2-19=5\frac{db}{dt}\\-17=5\frac{db}{dt}\\\frac{db}{dt}=-\frac{17}{5} =-3.4 cm/min$

The base is reducing at a rate of 3.4cm per min.

8 0

2 years ago

The figure is made up of a semicircle and a triangle. Find the perimeter. Round your answer to the nearest hundredth.

grandymaker [24]

I think your answer is 56

3 0

2 years ago