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2 years ago

Hey pls help worth 30 points

Mathematics

2 answers:

tino4ka555 [31]2 years ago

8 0

Answer:

y + 8 = 1/2(x + 3)

Step-by-step explanation:

Hope this helpss!!!

Ira Lisetskai [31]2 years ago

3 0

Answer:

i think its 5.0 or -11

Step-by-step explanation:

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Y - X=-5 y = 2x2-3x-5 PLEASE HELP AND SHOW WORK (substitution)

nikdorinn [45]

Answer:

Step-by-step explanation:

y - x = -5

y = x-5

y = 2x² - 3x - 5

x-5 = 2x² - 3x - 5

2x² - 4x = 0

x² - 2x = 0

x(x - 2) = 0

x = 2, 0

(x,y) = (2,-3), (0,-5)

8 0

2 years ago

How many times larger is the value of 150,000 than 150?

stiks02 [169]

1,000 times larger! You're welcome :) All you do it divide the two. Hope this helped!

4 0

3 years ago

Read 2 more answers

una ventana rectangular tiene l metros de ancho y h metros de altura, con un perímetro de 6 metros y un área de 2m² ¿cuál es la

seropon [69]

Answer:

The formula for calculating the width of the window is

$w=\frac{-(-3)(+/-)\sqrt{-3^{2}-4(1)(2)}} {2(1)}$

Step-by-step explanation:

The question in English is

A rectangular window is l meters wide and h meters high, with a perimeter of 6 meters and an area of 2m². What is the formula for calculating the width of the window?

we know that

The perimeter of the window is equal to

$P=2(l+w)$

we have

$P=6\ m$

$6=2(l+w)$

simplify

$3=(l+w)$

isolate the variable l

$l=3-w$ ----> equation A

The area of the window is equal to

$A=lw$

we have

$A=2\ m^2$

$2=lw$ ----> equation B

substitute equation A in equation B

$2=(3-w)w$

solve for w

$2=3w-w^2$

$w^2-3w+2=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$w^2-3w+2=0$

$a=1\\b=-3\\c=2$

substitute in the formula

$w=\frac{-(-3)(+/-)\sqrt{-3^{2}-4(1)(2)}} {2(1)}$ ---> formula for calculating the width of the window

$w=\frac{3(+/-)\sqrt{1}} {2}$

$w=\frac{3(+/-)1} {2}$

$w=\frac{3(+)1} {2}=2\ m$

$w=\frac{3(-)1} {2}=1\ m$

7 0

3 years ago

An item is regularly priced at $30. It is now priced at a discount of 30% off the regular price. What is the price now?

stiv31 [10]

The price of the item will be 21$

7 0

2 years ago

Please I need help now!!!

spayn [35]

Answer:

An Ojibwe event in which women of all ages run, bike and canoe.

Step-by-step explanation:

4 0

2 years ago