The temperature at 5 pm is 20F the temperature at 10pm is -5F. The temperature fell how many degrees

Answers

Answer 1

Answer:

To find how much the temperature fell we must find the difference of both numbers and to do this we subtract them;

20 - (-5) = 25 degrees

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I have no idea how to do this: Slope= -3, y-intercept= -1 its slope-intercept formSlope= -2, y-intercept= -4

Through: (-3,2) , slope=-1/3

Through: (3,2) and (0,-5)

x-5y-5=0

Answers

Slope-intercept form is $\sf~y=mx+b$ , where $\sf~m$ is the slope and $\sf~b$ is the y-intercept.

Slope = -3, y-intercept = -1

Plug in what we know:

$\sf~y=mx+b$

$\sf~y=-3x-1$

Slope = -2, y-intercept = -4

Plug in what we know:

$\sf~y=mx+b$

$\sf~y=-2x-4$

Through: (-3,2) , slope=-1/3

Okay, here we use point-slope form, and the simplify to get it in slope-intercept form.

$\sf~y-y_1=m(x-x_1)$

Where $\sf~y_1$ is the y-value of the point, $\sf~x_1$ is the x-value of the point, and $\sf~m$ is the slope.

Plug in what we know:

$\sf~y-2=-(1)/(3)(x+3)$

Distribute -1/3 into the parenthesis:

$\sf~y-2=-(1)/(3)x-1$

Add 2 to both sides:

$\sf~y=-(1)/(3)x+1$

Through: (3,2) and (0,-5)

Now we plug this into the slope-formula to find the slope, plug the slope and one of these points into point-slope form, then simplify to get it in slope-intercept form.

$\sf~m=(y_2-y_1)/(x_2-x_1)$

(3, 2), (0, -5)
x1 y1 x2 y2

Plug in what we know:

$\sf~m=(-5-2)/(0-3)$

Subtract:

$\sf~m=(-7)/(-3)$

$\sf~m=(7)/(3)$

Plug this into point-slope form along with any point.

$\sf~y-y_1=m(x-x_1)$

$\sf~y-2=(7)/(3)(x-3)$

Distribute 7/3 into the parenthesis:

$\sf~y-2=(7)/(3)x-7$

Add 2 to both sides:

$\sf~y=(7)/(3)x-5$

x-5y-5=0

Add 5 to both sides:

$\sf~x-5y=5$

Subtract 'x' to both sides:

$-5y=-x+5$

Divide -5 to both sides:

$\sf~y=(1)/(5)x-1$

0.62 as a fraction in simplest form

Answers

0.62=62/100=31/50

31/50

Can you help with deltamath

Answers

Yea what do you need help with

5/6 as a decimal and terminating

Answers

5/6 = 0.833333 .... (non-terminating)

Which polynomial is a perfect square trinomial A. 25x^2-20x-16
B. 9a^2-30a-25
C. 25b^2-15b +9
D. 16x^2-24x+9

Answers

Answer:

Step-by-step explanation:

16x^2 - 24x + 9

(4x - 3)^2

(4x - 3) (4x - 3)

16x^2 - 12x - 12x + 9

16x^2 - 24x + 9

Will u b my friend
WILL GIVE BRAINLIEST FOR YES

Answers

Answer:

I'm down for a new friend

Step-by-step explanation:

sent the request

ᵤᵤ ᵧₑₛ

ᵘʳ ᵃⁿˢʷᵉʳ ʷᶦˡˡ ᵖʳᵒᵇᵃᵇˡʸ ᵍᵉᵗ ᵈᵉˡᵉᵗᵉᵈ ᵗʰᵒ

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