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Anarel [89]
3 years ago
9

Make x the subject of the formula X y = x/a+b

Mathematics
1 answer:
tresset_1 [31]3 years ago
5 0

Step-by-step explanation:

y =  \frac{x}{a}  + b \\  \frac{x}{a}  = y - b \\ x =  \frac{y - b}{a}  \\ x =  \frac{y}{a}  -  \frac{b}{a}

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20 POINTS!<br><br><br> Yes or No?
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Answer: YES.

<span>Drawing a vertical line will cross the graph at one point only.

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Help me please(14 pts) -Write your own situation/word problem to match the given equation:
Lilit [14]
60-17=x so to find x you have to subtract so your answer is x= 43
3 0
3 years ago
A tree with a height of 4 ft casts a shadow 15ft long on the ground how tall is another tree that cast a shadow which is 20ft lo
wariber [46]

Height of another tree that cast a shadow which is 20ft long is 5 feet approximately

<h3><u>Solution:</u></h3>

Given that tree with a height of 4 ft casts a shadow 15ft long on the ground

Another tree that cast a shadow which is 20ft long

<em><u>To find: height of another tree</u></em>

We can solve this by setting up a ratio comparing the height of the tree to the height of the another tree and shadow of the tree to the shadow of the another tree

\frac{\text {height of tree}}{\text {length of shadow}}

Let us assume,

Height of tree = H_t = 4 feet

Length of shadow of tree = L_t = 15 feet

Height of another tree = H_a

Length of shadow of another tree = L_a = 20 feet

Set up a proportion comparing the height of each object to the length of the shadow,

\frac{\text {height of tree}}{\text {length of shadow of tree}}=\frac{\text { height of another tree }}{\text { length of shadow of another tree }}

\frac{H_{t}}{L_{t}}=\frac{H_{a}}{L_{a}}

Substituting the values we get,

\frac{4}{15} = \frac{H_a}{20}\\\\H_a = \frac{4}{15} \times 20\\\\H_a = 5.33

So the height of another tree is 5 feet approximately

8 0
3 years ago
Question in attachment​
valkas [14]

Answer:

Hey Dude....

Step-by-step explanation:

This is ur answer.....

<h3><em>(a) Six</em></h3><h3><em>(a) Six(b) 120</em></h3><h3><em>(a) Six(b) 120(c) 720</em></h3>

Hope it helps!

Brainliest pls!

Follow me! :)

7 0
2 years ago
PLEASE ANSWER THIS ASAP !!!!!!
MrRissso [65]

Answer:

y = - x

Step-by-step explanation:

The equation of a line passing through the origin is

y = mx ( m is the slope )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 2) and (x₂, y₂ ) = (2, - 2) ← 2 points on the line

m = \frac{-2=2}{2+2} = \frac{-4}{4} = - 1 , thus

y = - x ← equation of line

5 0
3 years ago
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