3 years ago

X — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2

1 answer:

7 0

Solve the following system of equations for x: 4x + 6y = 68 2x + 6y = 76 A. x = - 14 B. None of these. C. x = - 4 D. x = 14 E. x = 4
Top answer · 3 votes
option C is correct More

You might be interested in

The volume of a cylinder is 375 pi m^3. if r= 5 m, find its height.

pishuonlain [190]

Answer:

Step-by-step explanation:

$V=h\pi r^2\\ \\ h=\frac{V}{\pi r^2}\\ \\ h={375\pi}{25\pi}\\ \\ h=15m$

3 0

3 years ago

The graph of the line y = 5x + 7 would cross what number on<br> the y-axis? How do you know?

Anna [14]

Answer: 7

Step-by-step explanation: 7 is the y intercept in the slope intercept form. y=slopex+y-intercept

3 0

3 years ago

What is the perimeter of a square with a side length of 46 mm?

poizon [28]

Answer:

C: 184 mm

Step-by-step explanation:

46*4 = 184

5 0

2 years ago

Read 2 more answers

Sally is planning the school picnic and needs to decide what food vendor to use. She asks 250 students whether they would rather

Oksana_A [137]

Answer:

0.18

Step-by-step explanation:

The relative frequency of eight graders who want fruit smoothie :

Number of eight graders who want fruit smoothie / total number of students surveyed

= 45 / 250

= 0.18

6 0

2 years ago

Please help I'm stuck on this questions thanks

polet [3.4K]

So its asking for basically the percentage of the first number out of the second.

3. 25/50 = 50%
4. 125/75 = 167%
5. 32/28 = 114%
6. 7/10 = 70%

Hope this helped! :)

6 0

3 years ago