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ddd [48]
2 years ago
14

add midnight the temperature was 14°F. By 5 AM the temperature had increased by 5°F. At noon the temperature had decreased by 20

°F, how much does the temperature need to rise or fall to return to the original temperature of 14°F
Mathematics
1 answer:
Anon25 [30]2 years ago
3 0

Answer:

It needs to rise by 15°F to get back to 14°F

Step-by-step explanation:

yes

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algol13

Answer:  The required answers are

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(b) y-intercept exists and is equal to 6.

(c) the slope-intercept form of the line is y=-\dfrac{3}{7}x+6.

Step-by-step explanation:  We are given the following linear equation in two variables :

3x+7y=42~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We are to :

(a) determine the slope,

(b) determine the y-intercept, if exists

and

(c) express equation in slope-intercept form.

We know that

The SLOPE_INTERCEPT form of the equation of a straight line is given by

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From equation (i), we have

3x+7y=42\\\\\Rightarrow 7y=-3x+42\\\\\Rightarrow y=\dfrac{-3x+42}{7}\\\\\\\Rightarrow y=-\dfrac{3}{7}x+6.

Comparing with the slope-intercept form, we get

\textup{slope, m}=-\dfrac{3}{7},\\\\\\\textup{y-intercept, c}=6.

Thus,

(a) the slope of the given line is -\dfrac{3}{7}.

(b) y-intercept exists and is equal to 6.

(c) the slope-intercept form of the line is y=-\dfrac{3}{7}x+6.

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How to use words to describe the two ways you can think about 8 X 5 = 40 as a comparison?
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Answer:

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Step-by-step explanation:

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= (0×12,-6×12)

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