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dezoksy [38]
3 years ago
6

What is the unit rate for 360 customers in 30 days

Mathematics
1 answer:
Lunna [17]3 years ago
4 0
Unit rate always have the denominator of 1 so:
\frac{360}{3} = 360 ÷ 30 = 12 customer in 1 day so the answer is:
     \frac{12}{1} 12 is costumer and 1 is day.
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What is the solution of the system of equations?
Charra [1.4K]
When we are given a system of 3 linear equations, with 3 variables, we proceed as follows:

We consider 2 pairs or equations, for example (1, 2) and (2, 3), and eliminate one of the variables in each pair, creating a system of 2 linear equations with 2 unknowns. 

Note that the third equation contains -2y which can be used to eliminate easily -6y in the second equation, and -4y in the fourth.

i) consider equations 1 and 3:

-3x-4y-3z=-7
5x-2y+5z=9

multiply the second equation by -2:

-3x-4y-3z=-7
-10x+4y-10z=-18

adding the 2 equations we have -13x-13z=-25

ii) consider equations 2 and 3. Multiply the third equation by -3:

    2x-6y+2z=3
-15x+6y-15z=-27

adding the 2 equations we have -13x-13z=-24

So we got -13x-13z is -25, but also -24. this means the system is inconsistent, so it has no solution.

Answer: the system has no solutions
4 0
3 years ago
a recipe requires 1/2 cup of flour for every batch of cookies how many full batches of cookies can be made with 5 1/2 cups of fl
Fantom [35]
Hello There!

You want to know how many cookies can be made using 5 1/2 cups of flour.

                                             
                                                            Solving
 
                                                      1 x 2                2
                                                  --------------  =     ----- 
                                                      2 x 11             22

                                             2/22 simplified is 1/11

                         
              So, You can make 11 cookies with 5 1/2 cups of flour.

Hope this helped!
                                                 
4 0
3 years ago
Read 2 more answers
Drag and drop the correct volume of the cylinder into the box to find the volume of the figure. Use 3.14
Furkat [3]

Answer:

2923.34 in^3

Step-by-step explanation:

Volume = Pi x (r) ^2 x height

PI =3.14,

, R = 7inch (d =radius /2 >> 14/2)

H =19 inch

Volume = 3.14 x 49in^2 x 19 inch

= 2923.34 in^3

5 0
3 years ago
3x+2=11 plz hep im slow in math
stealth61 [152]

Answer:

3

Step-by-step explanation:

3×3=9+2=11. so 3 is the answer.

3 0
3 years ago
In a recent survey of college professors, it was found that the average amount of money spent on entertainment each week was nor
Alenkinab [10]

Answer:

0.0918

Step-by-step explanation:

We know that the average amount of money spent on entertainment is normally distributed with mean=μ=95.25 and standard deviation=σ=27.32.

The mean and standard deviation of average spending of sample size 25 are

μxbar=μ=95.25

σxbar=σ/√n=27.32/√25=27.32/5=5.464.

So, the average spending of a sample of 25 randomly-selected professors is normally distributed with mean=μ=95.25 and standard deviation=σ=27.32.

The z-score associated with average spending $102.5

Z=[Xbar-μxbar]/σxbar

Z=[102.5-95.25]/5.464

Z=7.25/5.464

Z=1.3269=1.33

We have to find P(Xbar>102.5).

P(Xbar>102.5)=P(Z>1.33)

P(Xbar>102.5)=P(0<Z<∞)-P(0<Z<1.33)

P(Xbar>102.5)=0.5-0.4082

P(Xbar>102.5)=0.0918.

Thus, the probability that the average spending of a sample of 25 randomly-selected professors will exceed $102.5 is 0.0918.

5 0
3 years ago
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