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Ann [662]
3 years ago
10

I need the solutions

Mathematics
1 answer:
MAXImum [283]3 years ago
4 0

Answer:

(-1, -2)

Step-by-step explanation:

The solution is the intersection, which is at (-1, -2)

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A raffle is being held to benefit the local animal shelter. They sell 717 tickets that do not win any prize, 19 tickets that win
matrenka [14]
Let’s start by finding the total amount of tickets sold

717+19+1=737

Now multiply by 5 to see how much money they initially brought in

737•5=3,685

Now let’s find the total expense of the prizes

166+(19•20)=t

166+380=546


Now subtract the expenses from the total ticket sales

3,685-546=3,139


They made $3,139 TOTAL


Now let’s divide the total made by the total tickets sold

3139 / 737 = 4.26


They made $4.26 PER TICKET


Hope this helps!
7 0
3 years ago
it takes 10.4 hours to receive a basic flying license. A new license training method using Computer Aided Instruction (CAI) has
Anastasy [175]

Answer:

Test statistic (t) = 0.625

Step-by-step explanation:

<u><em>Step(i):-</em></u>

mean of the Population(μ) = 10.4 hours

Sample mean (x⁻) = 10.7 hours

Standard deviation of the sample( S)  = 1.44

The level of significance (α= 0.1

Sample size 'n' = 9

Degrees of freedom = n-1 = 9-1 =8

<u><em>Step(ii)</em></u>:-

Test statistic

                     t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }

                   t = \frac{10.7 -10.4}{\frac{1.44}{\sqrt{9} } }  =0.625

8 0
3 years ago
Smith high school offers a baseball camp day is $75 for four days of camp and a basketball can't that is $100 for five days of c
sukhopar [10]

75×4=300

100×5=500

500-300=200

Baseball Camp is $200 dollars

4 0
3 years ago
In how many ways can four aces be drawn from a deck of cards? (Order is not important.)
natka813 [3]
Let's imagine that we have in the deck 52 cards. So what we need to do is to make a kind of "progression".So let me explain this by doing the procedure. we can use is like this: 
4/52 * 3/51 * 2/50 * 1/49 = 
<span>24 / 6497400 = </span>
<span>1 / 270725 </span>
<span>3.694e-6</span>
8 0
3 years ago
The range of the data
Natali [406]
The range refers to the area where the data points fall from the lowest to highest. Here, the lowest point is 437 and the highest is 1465. So the range is from 437 to 1465

Hope this helps
7 0
4 years ago
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