Answer:
3 m/s
Step-by-step explanation:
![\frac{50 - 20}{10} = 3](https://tex.z-dn.net/?f=%20%5Cfrac%7B50%20-%2020%7D%7B10%7D%20%20%3D%203)
Not sure if you can do this but it sounds like a velocity/time/distance equation.
d=vt
v=d/t
t=d/v
70 w/m = t
15 pages - 350 w/p
She can type 70 words per minute (w/m). There are 350 words per page (w/p). She needs 15 pages. So first you have to find how many words she can type in one hour. 60 minutes in an hour, she can type 70 w/p.
60x70=4,200 words per hour (w/h).
Next you should find out how many words on 15 pages total.
350x15= 5,250.
I would put 4,200/5,250 as a fraction to gage how much she has left. She has most of it done already in ONE HOUR. Reduced, she has done 4/5s of the essay. Now you just need to get 1/5 of 5250, which is 1050.
She needs to do 1050 words. If one minute is 70, do 1050/70 which is 15.
The answer is 1 hour and 15 minutes.
I think... ;)
Answer: $10
Step-by-step explanation:
Let's analize the information given: We know that she had $94 to spend on 8 books and after buying these books she had $14. So, we need to calculate the amount of money she spent. Subtract $94 and $14:
![Total\ spent=\$94-\$14\\Total\ spent=\$80](https://tex.z-dn.net/?f=Total%5C%20spent%3D%5C%2494-%5C%2414%5C%5CTotal%5C%20spent%3D%5C%2480)
Then, to calculate the cost of each book, we need to divide the "Total spent" by 8:
![cost\ of\ each\ book=\frac{Total\ spent}{8}\\\\cost\ of\ each\ book=\frac{\$80}{8}\\\\cost\ of\ each\ book=\$10](https://tex.z-dn.net/?f=cost%5C%20of%5C%20each%5C%20book%3D%5Cfrac%7BTotal%5C%20spent%7D%7B8%7D%5C%5C%5C%5Ccost%5C%20of%5C%20each%5C%20book%3D%5Cfrac%7B%5C%2480%7D%7B8%7D%5C%5C%5C%5Ccost%5C%20of%5C%20each%5C%20book%3D%5C%2410)
The probability of getting a 2 or a getting a black card, find individual probabilities;
A standard deck has 52 cards.
There are 4 2's in a normal deck; probability of getting it is 4/25
The probability of getting a black card is; 26/52 since half the deck is red and black.
Now add up the probabilities since it says "or"
(4/52)+(26/52)=30/52 probability of the card that you were dealt being a two or a black card.
Hope I helped :)
Answer:
6x² - 10x + 11
Step-by-step explanation:
Step 1: Write expression
(9x² - 6x) + (5 - 4x) + (6 - 3x²)
Step 2: Combine like terms
6x² - 10x + 11