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SOVA2 [1]
3 years ago
14

Determine which ordered pair is a solution of y = -5x + 10.

Mathematics
1 answer:
Pavel [41]3 years ago
4 0

Answer:

I believe that it is (-1,-5)

Step-by-step explanation:

Hope this helps!!

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A man cut his 2 fingers and add 4 hands with 7 fingers. And he also chop his leg 3 times everyday till January to December. How
Olenka [21]

Answer:   30

Step-by-step explanation:

10 is the started fingers of the hands

2 is fingers, 4 are the hands, 7 the fingers of the hands

2 + (4 · 7) = 30

-3 is the legs per day, and 365 are the days per year

-3 · 365 = -1095

this is a bizarre question

4 0
3 years ago
To test if the mean IQ of employees in an organization is greater than 100, a sample of 30 employees is taken and the value of t
ivolga24 [154]

Answer:

p_v =P(t_{(29)}>1.42)=0.0831  

For this case the p value calculated is higher than the significance level used of 0.05 so then we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

a) do not reject the null hypothesis and conclude that the mean IQ is not greater than 100

Step-by-step explanation:

Information given

We want to verify if he mean IQ of employees in an organization is greater than 100 , the system of hypothesis would be:  

Null hypothesis:\mu \leq 100  

Alternative hypothesis:\mu > 100  

The statistic for this case is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

The statistic calculated for this case  t_{calc}= 1.42

The degrees of freedom are given by:

df=n-1=30-1=29  

Now we can find the p value using tha laternative hypothesis and we got:

p_v =P(t_{(29)}>1.42)=0.0831  

For this case the p value calculated is higher than the significance level used of 0.05 so then we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

a) do not reject the null hypothesis and conclude that the mean IQ is not greater than 100

5 0
3 years ago
Find the product 3/8x40
Naya [18.7K]

Answer:

15

Step-by-step explanation:

To calculate

\frac{3}{8} × 40 ( divide (cancel ) 8 and 40 by 8 )

= 3 × 5 = 15

5 0
3 years ago
Read 2 more answers
a car dealership sells 48 cars of the same model in one month. the average price of each car is $25,000 with a maximum variance
Umnica [9.8K]

Answer:

Range= $144,000

Step-by-step explanation:

The least amount for each car is 22,000 and the highest is 25,000

so assuming the dealer sells all of them the lowest price, the revenue would be, $1,056,000 (that would be the lowest revenue) and assuming he sells all the cars at the highest price, the dealer will get a revenue of $1,200,000. So the lowest revenue is 1,056,000 and the highest revenue is 1,200,000. So to find the range subtract the highest revenue by the lowest and you’ll get $144,000.

7 0
3 years ago
Eric can run a mile in 4.23 minutes, and benjamin can run 4.23 miles in an hour. who is the faster runner?
Ber [7]
Eric is faster since in an hour he can run
60x4.23 which is almost 254 miles in that one hour
7 0
3 years ago
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