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3 years ago

What's the correct answer

Mathematics

2 answers:

lys-0071 [83]3 years ago

8 0

The answer is A because the line is straight.

ratelena [41]3 years ago

6 0

The answer is A, the equation shows a proportional relationship because the graph shows a straight line. However, it is not DIRECTLY proportional as it does not pass through the origin.

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Solve each system of equation for 3y+x=3 and -2y+5x=15

madam [21]

Answer:

Step-by-step explanation:

3y+x=3

-2y+5x=15

Isolate y in 3y + x = 3 :

$y=$ $\frac{3-x}{3}$

Substitute $y = \frac{3-x}{3}$ in -2y + 5x = 15 :

$-2 * \frac{3-x}{3} + 5x = 15$

Simplify the equation :

$\frac{-6+17x}{3} =15$

Isolate x in $\frac{-6 + 17x}{3} = 15$ :

Proving x = 3

Isolate y in $y = \frac{3-3}{3}$ :

Proving y = 0

Your solved system of equations are x being 3, and y being 0.

6 0

3 years ago

G=x-c/x. for x<br><br>how do yoy make this an equation for x? help

zzz [600]

1.
$\displaystyle \text{if }\quad G=x- \frac{C}{x} \\\\$

$x \neq 0$

Multiply both sides by x:

$\displaystyle Gx=x\bigg(x- \frac{C}{x}\bigg )\\\\Gx=x^2-C$

Subtract from both sides Gx:
$Gx-Gx=x^2-C-Gx\\x^2-Gx-C=0$

Then solve this equation:

$\displaystyle x^2-Gx-C=0\\\\x_{1,2}= \frac{G\pm \sqrt{G^2+4C} }{2}$

2.
$\displaystyle\text{if}\quad G= \frac{x-C}{x}$

$x \neq 0$

Multiply both sides by x:

$Gx=x-C$

Subtract from both sides Gx:

$x-C-Gx=0$

Then solve this equation:

$\displaystyle x-Gx-C=0\\x(1-G)=C\\x= \frac{C}{1-G}$

7 0

3 years ago

nevsk [136]

Answer:

69 need to be added

Step-by-step explanation:

1300 +69 = 1369

37 ² = 1,369

square root of 1,369 is 37

5 0

3 years ago

Simplify 2x(-11x - 7)

LekaFEV [45]

The answer will be -22x^2-14x. Hope it help!

7 0

3 years ago

Read 2 more answers

What is the probability of getting the multiples of 3 when a number is chosen at random from whole numbers less than 20

irakobra [83]

Hold up I’m gonna help u

8 0

3 years ago