15+21b Please help me, i suck at math

Mathematics

1 answer:

Masteriza [31]3 years ago

6 0

Answer:

Step-by-step explanation:

okay so i’m not 100% sure on how to do this but i think you can just add the two together? like 15 + 21 + b. like that’s be 36b. so i’m not sure if that’s how you do it but i think you can do it that way?

You might be interested in

What is 2 3/4 × 1 5/6 =

Fittoniya [83]

Hi friend,

Converting mixed numbers to fractions, our initial equation becomes,


11/4 x 11/6

Applying the fractions formula for multiplication,


11 x 11 --> 121
-----
4 x 6 ------> 24

Simplifying 121/24, the answer is:

5 1/24

Hope this helped

7 0

3 years ago

Read 2 more answers

Kayla squared a number x and added this result to -6.5. This gave her an answer of 42.5.

ladessa [460]

Answer:

7, -7

Step-by-step explanation:

x^2-6.5= 42.5 add 6.5 to both sides

x^2= 49

The square root of 49 is 7 and -7.

7 0