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3 years ago

5 (x+9) = 3 (x +8) + 2x

Mathematics

1 answer:

zmey [24]3 years ago

8 0

Answer:

No solution

Step-by-step explanation:

Distribute

5x+45 = 3x+24+ 2x

Combine terms

45=5x-5x

45=0

This statement is not true so it is no solution

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The submarine is currently located at 10,000 feet below sea level but then rises 5,200. Where is the

Ilia_Sergeevich [38]

Answer:

A. 4,800 feet below sea level

Step-by-step explanation:

10,000 feet below sea level = -10,000 feet

"rises 5,200 feet" = +5,200 feet

=-10,000 + 5,200 = -4,800 feet

=4,800 feet below sea level.

8 0

3 years ago

M = y2 - y1 / x2 - x1 What is the slope of line JK? A) 5/9 B) 9/5 C) -5/9 D) -9/5

meriva

So
(x,y)

J is -4 to the right and 2 up so
(-4,2)

K is 5 to the right and -3 up
(5,-3)

(x,y)

x1=-4
y1=2
x2=5
y2=-3

M= $\frac{y2-y1}{x2-x1}$
M= $\frac{-3-2}{5-(-4)$
M= $\frac{-5}{5+4}$
M= $\frac{-5}{9}$

answer is C -5/9

3 0

4 years ago

Read 2 more answers

If a rectangle has side lengths 5x-y and x+4y what would be the area and perimeter of the rectangle?

Dafna1 [17]

Answer:

Answer is given below with explanations. 

Step-by-step explanation:

$given \: \: l = 5x - y \: and \: \: b = x + 4y \\ area \: of \: rectangle \:= l \times b \: sq.units \\ = (5x - y)(x + 4y) \\ = 5 {x}^{2} + 20xy - xy - 4 {y}^{2} \\ = 5 {x}^{2} + 19xy - 4 {y}^{2} \\ perimeter \: of \: rectangle \\ = 2(l + b) \\ = 2(5x - y + x + 4y) \\ = 2(6x + 3y) \\ = 12x + 6y$

HAVE A NICE DAY!

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6 0

4 years ago

Plsss help me plssss

RideAnS [48]

Your answer to your question is 51

7 0

3 years ago

I need help,I need to use substitution but I don't know how

lions [1.4K]

If $y=x+6$ and $y=-2x-3$ , then you can replace $y$ in either equation with the equivalent expression given by the other equation. In this case, you have