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Leokris [45]
2 years ago
9

Help khan academy!!!!

Mathematics
2 answers:
Anastaziya [24]2 years ago
6 0

Answer:

I have khan academy

what grade is this

and subject

Svetradugi [14.3K]2 years ago
5 0
She earns $1.2 per chore
She has $3
She wants to earn 13.50

Therefore, the inequality

1.2c + 3 is greater than or equal to 13.50
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Kristin and Alex went to track practice. Kristin ran four more than twice as many
DiKsa [7]

Answer:

175/8

Step-by-step explanation:

first 4*2=8 then 8*x=175/8

4 0
2 years ago
Terry uses 3 cups of pecans to decorate the tops of 12 pecan pies . She put an equal amount of pecans on each pie. How many cups
mezya [45]
4 cups because 12 divided by 3 equals 4.
8 0
3 years ago
Read 2 more answers
Sara had 94 dollars to spend on 8 books. After buying them she had 14 dollars. How much did each book cost
cestrela7 [59]

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

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

3 0
3 years ago
Question<br> 9<br> What is the circumference of a circle whose diameter is ?<br> 2
ZanzabumX [31]

6.28 because pi x diameter = circumference.

( diameter = half of a circle)

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
In a game of chance, the probability of winning a $50 is 40% and the probability of losing a $50 prize is 60%. what is the expec
melamori03 [73]
To calculate expected value,
We can add up the probability of all possible events.
The 2 possible events are either winning $50 or losing the prize, which is $ - 50
Expected value =
50 x 40 % + (-50) x 60%
= $-10
So the answer is $-10
4 0
3 years ago
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