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zvonat [6]
3 years ago
13

At 3:00 AM, the temperature was 44 degrees. By 7:00 AM, the temperature had risen to 60 degrees. What was the average change in

temperature in degrees per hour?
Mathematics
1 answer:
White raven [17]3 years ago
4 0
60-44=16
16/4hrs= 4deg per hour
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How many m in 300 cm? show steps.​
Alexxandr [17]

Answer:

3m

Step-by-step explanation:

we know that u know but ok

there are 100 cm in one meter .

this means 300 centimeters would be divided by 100.

  • 300 divided by 100 is 3
5 0
2 years ago
Let f (x) be a polynomial function with a zero of multiplicity of 1 at 2 and a zero of multiplicity of 2 at 1. Let g(x) be the r
Stella [2.4K]

The polynomial functions in their expanded form is given as follows. It is right to state that there are no breaks in the domain of h(x).

<h3>

What is a polynomial function?</h3>

In an equation such as the quadratic equation, cubic equation, etc., a polynomial function is a function that only uses non-negative integer powers or only positive integer exponents of a variable.

For instance, the polynomial 3x+4 has an exponent of 1.

Part A: F(x) has zero at 2 and multiplicity of 1; and

1 at the multiplicity of 2

f(x) = x-2) (x-1)²

= (x-2) (x² - 2x + 1)

= x³ - 4x² + 5x -2

Part B: h (x) = \left \{ {{x^3 -4x^2 + 5x -2; X < 0} \atop {\sqrt[3]{x-2} ; X\geq 0 }} \right.

The domain of X is X ∈ R

Hence it is correct to state that there are no breaks in the domain of h(x).

Learn more about polynomial functions:
brainly.com/question/2833285
#SPJ1

6 0
2 years ago
Which one of the following is equivalent to 41/2 = 2?
BARSIC [14]

Answer:

20 \frac{1}{2}

Step-by-step explanation:

7 0
4 years ago
Given the point (10, 25) and m = 2.5 , write the equation for the function m(t) point-stope form.
dalvyx [7]

Answer:

the equation for the function m(t) point-stope form will be:

  • y - 25 = 2.5 (x - 10)

Hence, option D is correct.

The graph is attached below.

Step-by-step explanation:

Given

Point (10, 25)

Slope m = 2.5

To determine

Write the equation for the function m(t) point-stope form.

We know that the point-slope form of the line equation is

y-y_1=m\left(x-x_1\right)

where

  • m is the slope of the line
  • (x₁, y₁) is the point

In our case:

  • m = 2.5
  • (x₁, y₁) = (10, 25)

so

substituting the values m = 2.5 and the point (10, 25) in the equation

y-y_1=m\left(x-x_1\right)

y - 25 = 2.5 (x - 10)

Therefore, the equation for the function m(t) point-stope form will be:

  • y - 25 = 2.5 (x - 10)

Hence, option D is correct.

The graph is attached below.

8 0
3 years ago
Daniel had 80 more stickers than Elle. He gave 1/4 of his stickers to Elle. She then gave 3/5 of her stickers to Daniel. In the
Pepsi [2]

Answer:

Daniel had 108 stickers at first

Step-by-step explanation:

Number of Daniel's stickers = d

Number of Elle's stickers = e

Since Daniel had 80 more stickers than Elle, d = 80 + e

e = d - 80

Daniel gave 1/4 of his stickers to Elle, Daniel is left with (d - d/4) = 3d/4

Elle now has e + d/4 = d - 80 + d/4 = (5d/4) - 80 = (5d - 320)/4

Elle now gave 3/5 of her remaining stickers to Daniel:

Elle now has:

e_{new} = \frac{5d -320}{4} - \frac{3}{5} * \frac{5d -320}{4}\\\\e_{new} = \frac{5d -320}{4} - \frac{15d -960}{20}\\\\e_{new} = \frac{25d - 1600 - 15d + 960}{20} \\\\ e_{new} = \frac{10d-640}{20}

Daniel now has:

d_{new} = \frac{3d}{4} + \frac{3}{5} (\frac{5d - 320}{4} )\\d_{new} = \frac{3d}{4} + \frac{15d - 960}{20} \\d_{new} = \frac{30d - 960}{20}

Daniel now had 92 more stickers than Elle

d_{new} = E_{new} + 92

\frac{30d - 960}{20} = \frac{10d - 640}{20} + 92

Multiply through by 20

30d - 960 = 10d - 640 + 1840

20d = -640 + 1840 + 960

20 d = 2160

d = 2160/20

d = 108

7 0
3 years ago
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