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Romashka-Z-Leto [24]
3 years ago
9

Xy+4y=3x-2, show that y is a function of x

Mathematics
2 answers:
zepelin [54]3 years ago
6 0
(xy+4y)/x = (3x-2)/x
(y+4y)/x = (3x-2)/x divide both side by x
5y /x = (3x-2)/x
5y= 3x-2 Mult by x both side
y= (3x-2)/5
Ede4ka [16]3 years ago
5 0
Basically, solve for y

first undsitribute y
y(x+4)=3x-2
divide both sides by x+4
y=\frac{3x-2}{x+4}
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5. Two points are 10 units apart on the coordinate plane. If
eimsori [14]

Answer:

8

Step-by-step explanation:

Let's say the ant is walking across the floor. Then it hits the wall and starts climbing to the ceiling.

We have a right triangle, as in the diagram, so we can apply Pythagoras' Theorem.

x² +  6² = 10²

x² + 36 = 100

       x² =  64

        x =     8

The ant must walk eight vertical units.

3 0
4 years ago
Give the function 12x-16y=-48 determine the x-and y intercepts of the graph
Sholpan [36]
For the x-int, replace y with 0
for the y-int, replace x with 0

x-int:
12x-16(0)=-48
12x=-48
x=-4

y-int:
12(0)-16y=-48
-16y=-48
y=3
8 0
3 years ago
write an equation in point slope form of the line that passes through the point (5/6 , 0) and has a slope of m=-3
lyudmila [28]

(\stackrel{x_1}{\frac{5}{6}}~,~\stackrel{y_1}{0})~\hspace{10em} \stackrel{slope}{m}\implies -3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{0}=\stackrel{m}{-3}(x-\stackrel{x_1}{\frac{5}{6}})

8 0
2 years ago
Which are correct representations of the inequality 6x ≥ 3 + 4(2x – 1)? Check all that apply.
Verdich [7]

Answer:

6x ≥ 3 + 4(2x - 1)

⇔ 6x ≥ 3 + 8x - 4        => remove the parentheses

⇔ 6x - 8x ≥ 3 - 4

⇔ -2x ≥ -1

⇔ 2x ≤ 1 (or 1 ≥ 2x)

⇔ x ≤ 1/2

⇔ x ≤ 0.5

The answer for the question should be:

1 ≥ 2x

6x ≥ 3 + 8x – 4

and the first graph.

6 0
3 years ago
Read 2 more answers
Maura runs 5 miles in 1.25 hours. Ava runs 3 miles in 50 minutes or 0.83¯ hour.<br> Who runs faster?
kenny6666 [7]

Answer:

║⊕║∵°·∵∴Hello :)∴∵·°∵∴║⊕║

Your answer should be:

Maura runs faster.

Step-by-step explanation:

I hope this helped!

<em>Brainliest appreciated</em>

<h2><em>Have a good day!</em></h2>
8 0
3 years ago
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