Ask question

Ask question

All categories

2 years ago

15

When is 9+10 really equal to 21

2 answers:

schepotkina [342]2 years ago

4 0

Answer:

9 + 10 = 21

Step-by-step explanation:

9 + 10 = 21

Factor out 9 and 10

9 = 3 · 3 10 = 2 · 5

Next multiply 3 by 2

3 × 2 = 6

Then multiply 3 by 5

3 · 5 = 15

Finally add the products

15 + 6 = 21

Aleksandr [31]2 years ago

4 0

It can never be equal to 21 because that’s not how math works

You might be interested in

True or false: Weight which is less than 85% of what is considered normal for age and height is a main characteristic of bulimia

alex41 [277]

Answer:

True

Step-by-step explanation:

5 0

2 years ago

What is the answer and the work i have to do to get to it

harina [27]

Answer:

B

Step-by-step explanation:

4 0

2 years ago

How do u know if a like is linear?

Sever21 [200]

Answer:

Step-by-step explanation:

Linear means strait but what are you asking ?

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%28%20-%20x%20%2B%203%29%20-%20%284x%20-%2010%29" id="TexFormula1" title="( - x + 3) - (4x - 1

VladimirAG [237]

Answer:

-5x+13 given (-x+3)-(4x-10)

Answer:-5x+13

Step-by-step explanation:

We are going to distribute to get rid of the ( ):

-x+3-4x+10

Pair up like terms:

-x-4x+3+10

Combine the like terms:

-5x+13

5 0

3 years ago

Read 2 more answers

Answer the question in the picture.

Rama09 [41]

Answer:

4

Step-by-step explanation:

have a nice day

4 0

2 years ago

Read 2 more answers