3 years ago

Solve the system of linear equations by substitution. 4x−2y=14 y=0.5x−1

Mathematics

1 answer:

ANEK [815]3 years ago

3 0

4x - 2(0.5x-1) =14
4x - 1x +2 = 14
3x + 2 = 14
X= 4
Plug that into second equation to get y

You might be interested in

Number is 22 round down to

alina1380 [7]

Answer:

22 rounds down to 20 if that is what you are asking

Step-by-step explanation:

You did not finish your question i dont think. 22 DOES round down to 20 though.

3 0

3 years ago

If you like anime comment your favorite

miv72 [106K]

Answer:

Step-by-step explanation:

my hero academia , banana fish and seven deadly sins

7 0

2 years ago

The volume of a gas in cubic centimeters v,varies inversely with the pressure of the gas in liters per square centimeters,p when

scoundrel [369]

Answer:

The volume of the gas is $145.45\ cm^{3}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

Let

v------> the volume of a gas in cubic centimeters

p-----> the pressure of the gas in liters per square centimeters

$p*v=k$

we have

$v=16\ cm^{3}, p=20\ l/cm^{2}$

substitute and solve for k

$k=16*20=320$

The equation is $p*v=320$

<em>Find the volume of the gas when the pressure is 2.2 L/cm2</em>

For $p=2.2\ l/cm^{2}$ Find the value of v

substitute in the equation

$(2.2)*v=320$

$v=320/2.2=145.45\ cm^{3}$

8 0

3 years ago

Any good mathematicians out there?! In need of help<br><br> Brainliest + POINTS

Zarrin [17]

Answer:

1199 $

Step-by-step explanation:

3297+365=3662

1280+270+325+153+300+50+35= 2413

3662-2413=1249$

i hope u understand

3 0

3 years ago

Read 2 more answers

What is the length? NEED HELP ASAP PLEASE

3241004551 [841]

Answer: 1.57828e-5

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers