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3 years ago

When is the temperature constant?

Mathematics

2 answers:

cestrela7 [59]3 years ago

8 0

Answer:

<h2>The temperature remains constant from 11AM to 2PM.</h2>

Step-by-step explanation:

When we study a piecewise function, it's characterized by having different behaviours in its intervals.

In this case, the function is linear in every interval given. So, when the line is upwards, it meas the function is increasing. In this case increases from the beginning to 11AM.

Then, the function has a horizontal line, which means there's no change at all in the temperature from 11AM to 2PM. In other words, the temperature is constant during this time, because the line is horizontal.

At last, the temperature decreases, because it has a line that is going down.

Therefore, according to the graph, the temperature remains constant from 11AM to 2PM.

Colt1911 [192]3 years ago

7 0

Answer:

The temperature is constant at 11 pm and remains constant until 2 pm.

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Can some one help me.

alina1380 [7]

Answer:

x = ± 2, x = 3

Step-by-step explanation:

note that x = 2 gives

2³ - 3(2)² - 4(2) + 12 = 8 - 12 - 8 + 12 = 0

Hence x = 2 is a root and (x - 2) is a factor

x³ - 3x² - 4x + 12 ÷ (x - 2)

= (x - 2)(x² - x - 6)

= (x - 2)(x + 2)(x - 3), hence

(x - 2)(x + 2)(x - 3) = 0

equate each factor to zero and solve for x

x - 2 = 0 ⇒ x = 2

x + 2 = 0 ⇒ x = - 2

x - 3 = 0 ⇒ x = 3

3 0

3 years ago

Read 2 more answers

Which of the following represents the graph of f(x) = one−half to the power of x?

puteri [66]

f(x) = $\frac{1}{2}^x$

In this exponential function , the base is $\frac{1}{2}$

if base is less than 1 then it a decreasing function

We can verify it using a table

We plug in some x and values and find out f(x) to get point for the graph

x -----> f(x)

-1 -----> 2

0 ------> 1

1 -------> 0.5

The table is same as the points in first graph.

So first graph represents the graph of f(x) = $\frac{1}{2}^x$

4 0

3 years ago

The total surface area of a right cylinder which has a base diameter of 10 cm and a height of 7 cm is:

tresset_1 [31]

Answer:

377 square centimeters

Step-by-step explanation:

Formula: h(2×pi×radius) I know there's a second part but I'm doing this first.

First find the radius, in the problem it says a diameter of 10cm

Divide 10 by 2 to find the radius = 5

I'm going to use 3.14 as Pi

7(2×3.14×5)

7(31.4) = 219.8

Next part, solving for the 2 circles

Formula: 2×pi×radius²

2×3.14×5²

solve 5² first (5×5) = 25

2×3.14×25 is 157

add 219.8 and 157 = 376.8 round to 377

Answer: 377 square centimeters

3 0

2 years ago

If a person called me at 9:11 p.m. and it's 9:39 p.m. Saying they on way how far they should be from me

Hitman42 [59]

Answer: 28 mins away

Step-by-step explanation: so i subtracted the time difference. if the called at 9:11 and it's now 9:39 subtract the times and you get 28 mins

6 0

3 years ago

Two cyclists, 55 miles apart, start riding toward each other at the same time. One cycles 5 miles per hour faster than the other

tangare [24]

Answer:

r = 6 mph and f = 11 mph

Step-by-step explanation:

Representations:

1) speed of faster cyclist: f = r + 5

2) speed of slower cyclist: r

Distances covered:

(r + 5)(5 hr) + r(5) = 55 mi (total distance covered)

Then 5r + 25 + 5r = 55, or, after reducing this equation:

r + 5 + r = 11, or

2r = 6

Then r = 6 mph and f = 11 mph

8 0

3 years ago

When is the temperature constant?​

When is the temperature constant?