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3 years ago

Solve IzI > ( ½) a.b.c.

Mathematics

1 answer:

andrey2020 [161]3 years ago

8 0

Answer: it is the third one hope it helps

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Luke stacked seven pieces of wood on top of each other. IF each piece was four-eighths of a foot tall, how tall was his pile?

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The answer would be 3.5 feet tall

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3 years ago

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A rack has a volume of 10 cm3 and a mass of 25g. What is the density?

valentinak56 [21]

Answer:

Step-by-step explanation:

density is mass divided by volume, so 25g divided by 10 cm = 2.5 g

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3 years ago

hello I am trying to figure out how much rent I would have to pay if I abated the rent 30%. My rent is $610.

horrorfan [7]

If you were to get 30% backed off, lucky you !
You would then pay only the remaining 70%.

70% means 0.70

0.70 x $610 = <u>$427 </u>

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4 years ago

Which system or equation is represented in the graph?

melamori03 [73]

Answer:

$(A)\displaystyle \begin{array} {ccc} \displaystyle y = - 2 \\ x - 2y = 6\\ \end{array}$

Step-by-step explanation:

<h3>Equation of the blue line:</h3>

since the line is horizontal and passes <u>-</u><u>2</u> the equation of the blue line should be

$\displaystyle \large y = - 2$

<h3>Equation of the red line:</h3>

remember The form of equation of a line

$\displaystyle \boxed{ \displaystyle y = mx + b}$

where m is slope of the line and b is the y-intercept we can clearly see that the red line crosses y-axis at (0,-3) therefore b=-3

to figure out m we can consider the following formula:

$\displaystyle m = \frac{ \Delta y}{ \Delta x}$

from the graph we acquire ∆y=1 and ∆x=2

thus substitute:

$\displaystyle m = \frac{ 1}{ 2}$

so we have figured out m and b

therefore our equation of blue line is

$\displaystyle y = \frac{1}{2} x - 3$

our given options are in standard form so

move -3 to left hand side and change its sign:

$\displaystyle y + 3= \frac{1}{2} x$

cross multiplication:

$\displaystyle 2y + 6= x$

move 6 to right hand side and x to left hand side and change its sign

$\displaystyle - x + 2y = - 6$

multiply both sides by -1:

$\displaystyle x - 2y = 6$

hence, our system of linear equation is

$\displaystyle \begin{cases} \displaystyle y = - 2 \\ x - 2y = 6\\ \end{cases}$

3 0

3 years ago

I need help with slope

Serggg [28]

Answer:

1. (AB) y = 2/3x + -4

Step-by-step explanation:

Formula - y = m(x) + (y-intercept)

m = rise / run

"run = horizontal (left and right)

rise = vertical (up and down)"

the y intercept is always going to be where y is 0 at. (x, y) you will use your x to determine the intercept

So lets use your first question as an example

1. (AB) y = m(x) + (y-int)

y = m(x) + (-4)

the point goes to the right 6 points and goes up 4 points (rise / run)

y = 4/6(x) + (-4)

You can round up the fraction to 2/3

y = 2/3(x) + -4

6 0

2 years ago

Solve IzI > ( ½) a.b.c.​

Solve IzI > ( ½) a.b.c.