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3 years ago

Find the slope of the line that passes through the given points. (-3,-3) and (4.-6)

Mathematics

2 answers:

Nastasia [14]3 years ago

7 0

Answer: y= -3/7x - 30/7

Step-by-step explanation:

Vilka [71]3 years ago

5 0

(-3,-3) (4,-6)
x1, y1 x2, y2

y2-y1
———-
x2-x1
(It’s supposed to be a fraction)
(Y is supposed to be on top because it’s rise over run. Y-axis is up and down. X-axis is left and right)

-6-(-3)
———-
4-(-3)

Negative minus negative is a +

-6+3
———
4+3

-3/7 is the slope

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Which two values of X are roots of the polynomial below 4x^2-6x+1

PtichkaEL [24]

$4x^2-6x+1=0\\\\a=4,\ b=-6,\ c=1\\\\\Delta=b^2-4ac\\\\\Delta=(-6)^2-4(4)(1)=36-16=20\\\\\sqrt\Delta=\sqrt{20}=\sqrt{4\cdot5}=\sqrt4\cdot\sqrt5=2\sqrt5\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a},\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{-(-6)-2\sqrt5}{2\cdot4}=\dfrac{3-\sqrt5}{4}\\\\x_2=\dfrac{-(-6)+2\sqrt5}{2\cdot4}=\dfrac{3+\sqrt5}{4}$

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4 years ago

57 x 8.50 = 484.50 please show me the formula in doing it

zvonat [6]

Answer: 57 x 8.50 = 484.50

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Patty wants a triangle garden in her backyard for all of her vegetables. She

otez555 [7]

Answer:

Step-by-step explanation:

the hypothenuse is the largest side in the right triangle

we have 2 side, 7,8

in a right triangle, c^2= a^2+b^2

where c is the hypothenuse

c^2=49+64=113

c=sqrt113=aprox 10.6

so, the answer is no if it has to be exactly 10 ft the hypotenuse

5 0

3 years ago

Examine the worked problem and solve the equation

Drupady [299]

Answer:

4/3x = 28/3 Multiply through by 3

You will get

4x = 28

x = 28/4

x = 7

Hope this helps.

3 0

3 years ago

4x-7+3x+9=180 find the value of x

Katena32 [7]

Answer:

178/7

Step-by-step explanation:

4x-7+3x+9=180

4x+3x-7+9=180

7x-7+9=180

7x+2=180

7x=180-2

7x=178

x=178/7

8 0

3 years ago