Which sentence explains the correct first step in the solution of this equation? 4 • (x – 3) = 9
Answers
x-3 is pedmsa or pemdas depends what type of math you doing :P
Answer:
distribute 4(x-3)=9 to get 4x-12=9
Step-by-step explanation:
How can you use a random sample of a population to make predictions?
Answers
yes you can but you need to explain who and what your random sample is. and if you are making predictions it needs to be within the extrapolation of the data but thats collage level.
What is the formula for finding the area of a triangle
Answers
Answer:
A=1/2(b)(h)
Step-by-step explanation:
Max ran 5 miles. 1 mile = 5280. What is the proportion formula used to determine how many feet?
Answers
5 x 5280 = 26400ft is the answer
Valentina purchased 200 beads for $48 to make necklaces. If she needs to buy 25 more beads, how much will she pay if she is charged the same rate?
Answers
It would cost her $6
There were 75 rocks is Boxes A,B, and C. After moving 28 rocks fro Box A to B, 24 rocks from B to C, and 19 rocks from C to A,there was an equal number of rocks in each box. How many rocks were in Box A in the beginning?
Answers
I actually did this kind of question earlier today in a math contest. It took me a while to get it, but it was quite easy.
So we basically know that:
Now here comes the tricky part. We have to determine how many rocks there are in each box.
The easy thing about this is that we already know what will be in the boxes after the movements. It's just .
So now we know, that after the movements, each of the boxes will contain 12.