-1/2 w -3/5= 1/5w<br><br> W=

5x - y = 6<br> -2x +y = 8<br> What’s the answer

nevsk [136]

Answer:

x= $4\frac{2}{3}$

y= $17\frac{1}{3}$

Step-by-step explanation:

$5x-y=6\\-2x+y=8\\$

Simplify, find the x-value first:

$3x=14\\x=4\frac{2}{3}$

Substitute x-value into any equation (i did the second equation) and simplify:

$-2(4\frac{2}{3})+y=8\\ -9\frac{1}{3} +y=8\\$

$y=17\frac{1}{3}$

4 0

4 years ago

Is 1/7 rational or irrational

KiRa [710]

$\frac{1}{7} \ is\ rational\ number. \\\\ Every\ number\ which\ can\ be\ written\ as\ fraction\ (quotient)\ of\ two\\numbers\ is\ rational.$

3 0

4 years ago

Read 2 more answers

Tyrod needs at least $820 to buy the computer he wants. He has already saved $330. He earns $50 per lawn that he cuts. What is t

Ksju [112]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The equation representing the given statement is ~

$50x + 330 \geqslant 820$

The least number of lawns that he can cut and buy the computer is 10 lawns ~

$\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}$

Total savings should be greater or equal to $ 820 in order to buy the computer,

And his total savinga is equal to ~

Money he saved + money got from cutting lawns.

let's assume the lawns cut by Tyrod be x,

Money earned by cutting lawns is equal to

total number of lawns cut × $50

50x

total savings is equal to ~

330 + 50x

hence,

$50x + 330 \geqslant 820$

by solving for " x (number of lawns cut) " we get ~

$50x \geqslant 820 - 330$

$50x \geqslant 490$

$x \geqslant 490 \div 50$

$x \geqslant 9.8$

Hence, the least number of lawns he has to cut is the number that is greater than 9.8, which is

$10$

6 0

2 years ago

An online music store sells songs on its website. Each song is the same price. The cost to purchase 8 songs is $10. Create an eq

musickatia [10]

Answer:

I hope this helps.

Step-by-step explanation:

Divide 8 by 10, whatever that gets you may be able to add up to 35.

Again, I hope this helps at least a little.

7 0

3 years ago

27. Find a polar equation of the conic with focus at the pole that has the given eccentricity and equation of directrix.

ololo11 [35]

The polar equation will be $r=\dfrac{4}{1+cos\theta}$

<h3> What is the polar equation?</h3>

A polar equation is any equation that expresses the relationship between r and theta, where r is the distance between the pole (origin) and a point on a curve, and theta is the counterclockwise angle formed by a point on a curve, the pole, and the positive x-axis.

From the equation, we are told that

The Eccentricity: e = 1

The Directrix is y = 4

Generally, the polar equation for e = 1 and y = + c is mathematically represented as

$r =\dfrac{e\times c}{1+ecos\theta}$

$r =\dfrac{1\times 4}{1+1\times cos\theta}$

$r=\dfrac{4}{1+cos\theta}$

Therefore the polar equation will be $r=\dfrac{4}{1+cos\theta}$

To know more about the polar equation follow

brainly.com/question/9363127

#SPJ1

4 0

2 years ago

-1/2 w -3/5= 1/5w W=