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AlexFokin [52]
3 years ago
9

A restaurant manager wants to purchase 200 sets of dishes. One design costs ​$10 per​ set, while another costs ​$35 per set. If

she wants to use her entire budget of ​$4250​, how many of each design should be​ ordered
Mathematics
1 answer:
pogonyaev3 years ago
7 0
X = 10 per set dishes, and y = 35 per set dishes

x + y = 200....x = 200 - y
10x + 35y = 4250

10(200 - y) + 35y = 4250
2000 - 10y + 35y = 4250
-10y + 35y = 4250 - 2000
25y = 2250
y = 2250/25
y = 90 <=== he got 90 of the $ 35 dishes

x + y = 200
x + 90 = 200
x = 200 - 90
x = 110 <=== he got 110 of the $ 10 dishes
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Two business partners, Alan and Rob, invested money in their business at a ratio of 6 to 7. Bob invested the greater amount. The
Verdich [7]

Answer:

180 Alan, 210 Rob

Step-by-step explanation:

6+7= 13

390÷13= 30

30×6=180 =Alan

30××7=210 =Rob

4 0
3 years ago
Which equation is in point-slope form and depicts the equation of this line?
Elodia [21]
We know
in the graph two points
point 1 (2,1)  and point 2 (-1,-4)
the equation in point-slope form is ----------------> (y-y1)=m(x-x1)

step 1
find the value of m
m=(y2-y1)/(x2-x1)----------> (-4-1)/(-1-2)--------> m=5/3

step 2
with the point (-1,-4)  and m=5/3
find the equation in point-slope form
(y-(-4))=(5/3)*(x-(-1))-------------> (y+4)=(5/3)(x+1)

the answer is the option d) ( y+ 4 ) =+ 5/3 ( x + 1 )

7 0
3 years ago
In a recent telephone survey, 5,000 randomly selected teenagers were asked to cite their primary social network sites. Six of 10
aleksklad [387]

Answer:

b. There is a 95% chance that the true proportion of teenagers who use Mybook as their primary social network site is in the interval (0.2964, 0.9036).

Step-by-step explanation:

Hello!

In general, a 95% confidence interval for the population proportion can be interpreted as: There is a 95% chance (or confidence) that the interval will contain the true value of the proportion.

(Remember the confidence level of 95% means that if you were to make 100 intervals for the population proportion, 95 of them will contain its true value)

The estimated parameter is the population proportion of teenagers that use Mybook as their primary social network site.

With this in mind then you can say that there is a 95% probability that the interval (0.2964, 0.9036) will contain the true value of the proportion of teenagers that use Mybook as their primary social network site.

The correct answer is: b

I hope this helps!

8 0
3 years ago
A number cube is rolled and a marble is selected at random from the bag at he right. Determine each probability.
Alenkasestr [34]

wheres the bag and everything else


5 0
3 years ago
FREE BARINLIEST
DerKrebs [107]
The answer would have to be 30%
3 0
3 years ago
Read 2 more answers
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