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dedylja [7]
3 years ago
6

Answer please :) ?????

Mathematics
2 answers:
-Dominant- [34]3 years ago
4 0

Answer:

9t

Step-by-step explanation:

9*t

Alexxx [7]3 years ago
3 0

Answer:

9t

step by step explanation

9 \times t \\  = 9t

hope this helps

brainliest appreciated

good luck! have a nice day!

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katrin2010 [14]

Answer:

C. 5 Shirts for $21

Step-by-step explanation:

I conclude this when I calculate the amount of money needed for a singular shirt in every "bundle" by using division.

First I calculated how much you'd have to pay for one shirt in the six-pack collection fo shirts, and I resulted in $4.25 for each shirt. The problem in number form is: 25.50÷6=4.24. By dividing the total with six you result in the singular price of the individual price of each shirt in the pack.

As for the other packs, my calculations resulted in $4.50 for the 4 shirts pack and $4.20 for the 5shirts pack.

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Please help asap Two vertices of a polygon are (7, −18) and (7, 18) . What is the length of this side of the polygon?
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3 0
3 years ago
The national mean sales price for a new one-family home is $181,900. A sample of 40 one-family homes in the south showed a sampl
SIZIF [17.4K]

Answer:

a

The  null hypothesis is  \mu  =  \$181,900

The alternative hypothesis is  \mu <  \$ 181.900

b

t = -2.92

c

p-value  =  0.0016948

d

There no sufficient evidence to support the conclusion that the population mean sales prices for new one-family homes in the South is less expensive than the national mean of $181,900

Step-by-step explanation:

From the question we are told that

   The  population mean is  \mu  =  \$ 181, 900

    The  sample size is  n =  40

    The  sample  mean is  \=  x  =  \$ 166,400

      The  sample  standard deviation is s= \$ 33, 500

The  null hypothesis is  \mu  =  \$181,900

The alternative hypothesis is  \mu <  \$ 181.900

 

Generally the test statistics is mathematically represented as

      t =  \frac{ \= x  -  \mu }{ \frac{s}{\sqrt{n} } }

=>    t =  \frac{  166400  - 181900 }{ \frac{33500}{\sqrt{40} } }

=>    t = -2.92

Generally the p-value is obtain from the z-table  the value is  

      p-value  =  P(Z < t ) = P(Z  <  -2.93) = 0.0016948

=>    p-value  =  0.0016948

From the calculation we see that  

     p-value  >  \alpha  hence we fail to reject the null hypothesis

Thus there no sufficient evidence to support the conclusion that the population mean sales prices for new one-family homes in the South is less expensive than the national mean of $181,900

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3 years ago
Simplify:2/5(10x-10y)-3/4(12x-24y)
liraira [26]

Answer:

a!!

Step-by-step explanation:

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Gala2k [10]
Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
factors of 66:  1, 2, 3 ,6, 11, 22, 66 

GCF: 6
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3 years ago
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