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2 years ago

A line passes through the point (-2, 6) and has a slope of 6.

Mathematics

1 answer:

TEA [102]2 years ago

4 0

Answer:

y = 6x + 18

Step-by-step explanation:

so first write y = 6x + b (because you have the slope) now to find the y-intercept input the point (-2, 6) and do algebra

6 = 6(-2) + b

6 = -12 + b

b = 18

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Expand the following 5(2x-4)

Yuliya22 [10]

Answer:

x= 2

Step-by-step explanation:

5*2= 10 then add the x at the end

5*4=20

then you divide both sides by 10

(10x/10)- (20/10)

x= 2

or if your rewriting it then:

(5*2x)- (5*4)=?

Hope this helped :D

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3 years ago

A water faucet leaks 3/5 of a liter of water in 3/4 of an hour. Which TWO statements are correct for this situation

Svetach [21]

Answer:

A & C

Step-by-step explanation:

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3 years ago

Answer this math question ASAP pls

Bas_tet [7]

Answer:

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Step-by-step explanation:

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3 years ago

Solve the equation for all real solutions in simplest form. z^2 - 12z +9= -3

Mars2501 [29]

Answer:

Solving the equation for all real solutions in simplest form.

$z^2 - 12z +9= -3$ we get $\mathbf{z=10.9\: or\: z=1.1}$

Step-by-step explanation:

We need to solve the equation for all real solutions in simplest form.

$z^2 - 12z +9= -3$

First simplifying the equation:

$z^2 - 12z +9+3= -3+3\\z^2 - 12z +12= 0$

Now, we can solve the equation using quadratic formula:

$z=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

we have a = 1, b=-12 and c=12

Putting values in formula and finding values of x

$z=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\z=\frac{-(-12)\pm\sqrt{(-12)^2-4(1)(12)}}{2(1)}\\z=\frac{12\pm\sqrt{144-48}}{2}\\z=\frac{12\pm\sqrt{96}}{2}\\z=\frac{12\pm9.8}{2}\\z=\frac{12+9.8}{2}\:or\:z=\frac{12-9.8}{2}\\z=10.9\:or\:z=1.1$

So, we get value of z: z=10.9 or z=1.1

Solving the equation for all real solutions in simplest form.

$z^2 - 12z +9= -3$ we get $\mathbf{z=10.9\: or\: z=1.1}$

3 0

3 years ago

How many terms are in the expression shown below? a2 - ab + 8b + b2 - 1 2 3 4 5

siniylev [52]

A² - ab + 8b + b² - 1

There are 5 terms in the expression.
a² = 1st term
ab = 2nd term
8b = 3rd term
b² = 4th term
1 = 5th term

Each term is separated by a plus (+) sign or a minus (-) sign.

A term is either a number, a variable, or a number and a variable multiplied together.

a², ab, b² are variables.
8b is a number and a variable multiplied together
1 is a number.

6 0

3 years ago