X2 - 81
(x-9)(x-9)
Your basically taking it apart.
10 seconds! you put in 0 for h, and then set the parentheses to equal zero. it can’t be negative, so it must be 10.
Step-by-step explanation:
128 - 20 * 25 / 5 + 11
= 128 - 100 + 11
= 39.
Answer:
What is it?
Two matrices can be added together if and only if they have the same dimension. Their sum is obtained by summing each element of one matrix to the corresponding element of the other matrix.
How is it used?
The numbers in a matrix can represent data, and they can also represent mathematical equations. In many time-sensitive engineering applications, multiplying matrices can give quick but good approximations of much more complicated calculations.
How can I solve it?
Here is a thing https://www.purplemath.com/modules/mtrxadd.htm
Step-by-step explanation:
Answer:
4 pounds
Step-by-step explanation:
Divide: 3.36 divided by .84=4
Check your answer: .84 times 4=3.36
1 pound=.84
2 pounds= 1.68
3 pounds 2.52
4 pounds=3.36
4 pounds
<u><em>Hope this helped!! :)</em></u>
<u><em>Stay safe and have a wonderful day/afternoon/night!!!!!</em></u>
<u><em>Brainliest?!?!</em></u>
(Picture included)
Sorry about my hand writing and I tried to explain it the best way I could.