3 years ago

How did they get this

Mathematics

2 answers:

alexandr1967 [171]3 years ago

7 0

It's only true if x=2 and y= -1 .

katrin2010 [14]3 years ago

3 0

Somewhere in the text, it must say that x = 2 and y = -1 or else, the values just seem made up out of thin air.

You might be interested in

lemont has 30 books to pack the boxes each box holds 7 books if he fills each box how many boxes are left over

mariarad [96]

Answer:

2 books

Step-by-step explanation:

If 7 books= 1 box

Then 30 books= 30÷7= 4 boxes with a remainder of 2 books

Therefore books left over= 2 books

6 0

3 years ago

A 943-foot tree has grown at a constant rate each year. In the equation below, t is the age of the three in years.

Mazyrski [523]

Answer:

B. 41 feet per year

Step-by-step explanation:

943/23= 41

Total feet / coefficient= feet per year

7 0

3 years ago

Read 2 more answers

4. If you toss a fair coin 10 times and get heads each time, what is the probability that it will

svlad2 [7]

There’s a 5% chance

8 0

3 years ago

Solve for x and y in the diagram below:

Stells [14]

Answer:

x will equal 2.1

y will equal 4.5

6 0

3 years ago

Aré 24cd and 9cd like terms

Lapatulllka [165]

Answer:

Yes, they are

Step-by-step explanation:

Because they both end with cd, they are like terms. Anything with the same ending letters are like terms.

4 0

3 years ago