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sashaice [31]
3 years ago
11

I need help. what's the answer and what do the exclamation points mean.

Mathematics
1 answer:
jeyben [28]3 years ago
3 0
The exclamation points mean factorial which is when you multiply that number along with the numbers less than it. Ex: 4! = 4*3*2*1. To solve this, you must get those factorials and after you solve, you get 60480
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Geoffrey is trying to earn $50 to buy a video game. He has saved $14.25. He earns $3.75 per hour cleaning windows with his uncle
Dafna1 [17]
Yes he will be able to buy the game that is $50 because: 14.25 + 3.75y + 6.50x = 50 14.25 + 3.75(3) + 6.50(4) = 50 14.25 + 11.25 + 26 = 50 51.50 = 50
7 0
3 years ago
Read 2 more answers
while teresa listened to the radio, there were 9minutes of commercials, 12 minutes of talk, and 29minutes of music what percent
ahrayia [7]
To find this, you'll want to divide the amount of music by the total amount of time. 29/(9+12+29) = 29/50 = 58/100 = 58%
4 0
3 years ago
The total cost for two family cars was $71,1482 the cost of one car was $38,295 write an equation using a variable to represent
Harrizon [31]

Your 71,1482 doesn't make sense. But regardless,

let x = the other car's cost.

You know the total spent and the cost of one car. So logically, if you subtract the two you'd get the price of the second car.

You can do $38,295 + c = $71,1482.

Or $71,1482 - $38,295 = c.

7 0
3 years ago
I need help on this one please
Korolek [52]

Answer:

it is D

Step-by-step explanation:

just reflect by y=-1 its easy

5 0
3 years ago
A police officer claims that the proportion of accidents that occur in the daytime (versus nighttime) at a certain intersection
Roman55 [17]

Answer: -1.78

Step-by-step explanation:

As per given description, we have

Population proportion : p=0.35

Sample size : n= 500

Sample proportion : \hat{p}=\dfrac{156}{500}=0.312

Test statistic for population proportion :-

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\\\=\dfrac{0.312-0.35}{\sqrt{\dfrac{0.35(1-0.35)}{500}}}\\\\=-1.78146747757\ \ \text{(Simplified)}\\\\\approx-1.78

Hence, the test statistic for this hypothesis test for a proportion= -1.78

3 0
3 years ago
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