3 years ago

What is the solution to the system of linear equations? {2x+4y=38

1 answer:

6 0

$2x+4y=38\\10x+3y=105\\\\-5(2x+4y = 38) => -10x-20y=-190\\\\-10x-20y=-190\\10x+3y=105\\\\-20y+3y=-190+105\\\\-17y=-85\\y=5\\\\2x + 4(5) = 38\\2x = 18\\x=9$

x= 9

y= 5

You might be interested in

Write an equation in point-slope format of the line having the given slope that contains the given point.

marta [7]

1) y + 1 = (1/4)(x - 3)
2) y - 6 = 0(x + 2)
3) y - 3 = -1(x + 2)
4) y + 7 = -2(x + 6)

3 0

3 years ago

Express 4x−7y=14 in slope-intercept form. Enter your answers in the boxes.

devlian [24]

Y=2 7x2= 14
X= 7 4x7=28
28-14=14

5 0

3 years ago

Please help me fill out the blanks in the bottom!

Dmitrij [34]

Answer:

2: 67

3:67

4: 113

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Write the logarithmic expression as a single logarithm.

Gelneren [198K]

Answer:

$\log_48$

Step-by-step explanation:

$\log_432-\log_4(4) = \log_4(\frac{32}{4} )=\log_48$

5 0

2 years ago

The land elevation, l, of any location in Colorado is at least 3,315 feet above sea level. Which inequality describes the land e

hichkok12 [17]

Answer:

I'm the man I'm the I'm the man

8 0

3 years ago

Read 2 more answers