You’re trying to get the first equation to equal y so you can substitute it in the second question

2x + y = -2
subtract 2x from both sides: y = -2 - 2x
rearrange the equation : -2x -2
so the answer is C

8 0

3 years ago

Taking a discount of 50% off followed by a discount of 50% off results in a total discount of _____. a. 25% b. 50% c. 75% d. 100

Ronch [10]

Answer: 75% off the original price.

Step-by-step explanation:Say an item is $100. 50% off $100 is of coarse $50.

Now 50% off that price is $25.

So the new price is now $25 which is 75% off.

3 0

3 years ago

Read 2 more answers

h.) How many different ways can Johnny place an algebra book, a geometry book, a chemistry book, an English book, and a health b

Nady [450]

Answer:

Step-by-step explanation:

take algebra book. it can be placed first or 2nd or 3rd or 4th or last. so 5 different ways. but geometry book will be arranged in 4 ways, since algebra book is already arranged.

$5p5$

5!/0!= 5! = 120

7 0

3 years ago

Write in standard form: 40,000 + 200 + 8000 + 9 + 30

Zepler [3.9K]

It is 48,239.

I deeply apologize if this is not what you meant.

4 0

4 years ago