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2 years ago

PLSASE HELP DUE TODAY WILL MARK YOU!!!

Mathematics

1 answer:

Xelga [282]2 years ago

4 0

Answer:

hjgjhgjhghjg

Step-by-step explanation:

ghjjgjesw54t32r3yggtfucgkyoughrhhfgh

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A tree casts a shadow that is 125 ft. At the same time, a 4ft tall person

jekas [21]

Answer:

100ft

Step-by-step explanation:

H over S

H over 125 then 4 over 5

cross Multiply would give you

5H = 500

500 ÷ 5 is 100

6 0

3 years ago

What is the EQUATION of the line PERPENDICULAR to y=-2x+5 and passing through the point (0,2)?

KonstantinChe [14]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The required equation is ~

$\boxed{ \sf{y = \frac{x}{2} + 2 }}$

$\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}$

Let's find the slope of given line ~

$y = - 2x + 5$

comparing it with general slope - intercept form of line (y = mx + c) we get, m = -2 (that is slope of the line)

let the slope of the required line be n

And, now since the required line Is perpendicular to the given line. the product of their slopes is -1

that is ~

$- 2 \times n = - 1$

$n = \dfrac{ - 1}{ - 2}$

$n = \dfrac{1}{2}$

slope of required line is ~ 1/2

now, let's use the point - slope form of line to find the equation of required (perpendicular) line (using point (0 , 2) ~

that is ~

$y - y_1 = m(x - x_ 1)$

here, m = slope ~

$y - 2 = \dfrac{1}{2} (x - 0)$

$y - 2 = \dfrac{x}{2}$

$y = \dfrac{x}{2} + 2$

I hope it helps ~

4 0

2 years ago

Ements

kakasveta [241]

Here's li $^{}$ nk to the answer:

bit. $^{}$ ly/3fcEdSx

3 0

3 years ago

Question 4 of 10

Naddik [55]

The answer is D
real explanation: take 0.642 & divide it by -0.28.

7 0

2 years ago

5x+y=-10 4x-7y=-8 Substition Method (Show it step by step please!)

Fynjy0 [20]

$\left\{\begin{array}{ccc}5x+y=-10&|\text{subtract 5x from both sides}\\4x-7y=-8\end{array}\right\\\left\{\begin{array}{ccc}y=-5x-10&|\text{substitute to the second equation}\\4x-7y=-8\end{array}\right\\\\4x-7(-5x-10)=-8\qquad\text{use distributive property}\\\\4x+(-7)(-5x)+(-7)(-10)=-8\\\\4x+35x+70=-8\qquad\text{subtract 70 from both sides}\\\\39x=-78\qquad\text{divide both sides by 39}\\\\\boxed{x=-2}\\\\\text{Put the value of x to the first equation}\\\\y=-5(-2)-10\\\\y=10-10\\\\\boxed{y=0}$

$Answer:\ \boxed{x=-2\ and\ y=0}$

3 0

3 years ago

Read 2 more answers