3 years ago

Solve the system using elimination x + 2y = 1 4x + y = 11

1 answer:

3 0

X + 2y = 1 ______×1
4x + y = 11 _____ ×2

x + 2y = 1
8x + 2y = 22

8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21

x = 3

3 + 2y = 1
2y = 2
y = 1

i am a mathematics teacher. if anything to ask please pm me

You might be interested in

Find the product and simplify.<br> (k+ 4)(-4k – 5)

torisob [31]

The answer is -4k^2 - 21k - 20! so sorry if I’m wrong but it’s the answer I got :>

3 0

3 years ago

What are the equivalent fractions with a common denominator for 2/5 and 1/2?

Svetlanka [38]

So 1/2 is 5/10 and 2/5 is 4/10 common denonominator is 10 ( i think )

4 0

3 years ago

Read 2 more answers

Which statement about this figure is true?

Arisa [49]

Answer: I'm thinking it's reflectional symmetry.

Step-by-step explanation:

3 0

3 years ago

Look at this table.

NemiM [27]

OPTION:

Step-by-step explanation:

4 0

2 years ago

Given h(x) = x2 – 5x + 7, find the following.<br> a. h(2)<br> b.h(-5)<br> c. h(-8)

azamat

Answer:

Step-by-step explanation:

hello :

h(x) = x² – 5x + 7

h(-2) = (-2)² – 5(-2) + 7 =4+10+7 =21

h(-5) = (-5)² – 5(-5) + 7= 25+25+7 =57

h(-8) = (-8)² – 5(-8) + 7 = 64+40+7=111

5 0

3 years ago