3 years ago

Solve the system of equations. (HINT: use the elimination method) 7x+4y=2 9x-4y=30

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

4 0

Answer: 7x + 4 y = 2

9x - 4y= 30

-------------------

16x / = 32

x= 32:16

x=2

Step-by-step explanation: 7x+4y=2

7*2 + 4y=2

14 +4y=2

4y= 2-14

4y= -12

y= -12 : 4

y= - 3

You might be interested in

Apr 23, 8:46:54 AM<br> What is the missing term?

kipiarov [429]

Answer: -10x
Explanation: Multiply -2 by 5x

7 0

3 years ago

Write 7/50 as a percentage

klio [65]

Answer:

14%

Step-by-step explanation:

To change a fraction to a percentage multiply fraction by 100%, that is

$\frac{7}{50}$ × 100% = 7 × 2% = 14%

4 0

3 years ago

Read 2 more answers

In 2013 approximately 1.6 million students took the critical reading portion of the sat exam the mean score modal score and the

Citrus2011 [14]

Onions are good for you !! :)))

6 0

3 years ago

There are 34 empty seats and 16 occupied seats. What is the ratio of empty to occupied seats? a) 34 to 16 b) 17 to 8 c) 8 to 17

Komok [63]

Answer:

Step-by-step explanation:

Ratio means comparison, so we have to compare the two given examples, in this state empty and occupied.

one of the most important things to look for during ratios is what comes first. In this statement it says empty to occupied, not occupied than empty/.

if we know that empty is 34 and occupid is 16 than we know our answer is A

Please mark me branliest.

Have a great day!

5 0

3 years ago

MIA PLAYED A VIDEO GAME. SHE STARTED WITH 10 1/2 POINTS. IN THE FIRST ROUND, SHE EARNED 5 1/4 POINTS. SHE LOST 2 1/2 POINTS IN R

dolphi86 [110]

9 2/4

also, can i get brainly to level up? :)

5 0

3 years ago