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Temka [501]
3 years ago
13

A pizzeria charged 12 per pizza plus an addition $3.00 for delivery which equation represents the cost of having any number of p

izza delivered
Mathematics
1 answer:
Liula [17]3 years ago
3 0
Y=12x+3

y: total cost
x: number of pizzas
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1)Karen was in a trivia contest in got 38 of the 40 questions correct .what percent of the question is she get wrong?
julia-pushkina [17]

To find the percent of the question she got wrong, we have to divide 2 by 40, because she only missed 2.

\frac{2}{40}=\frac{1}{20}=0.05<h2>So, she got wrong 5% of the question only.</h2>
4 0
1 year ago
Plz help with part b
klemol [59]

Answer: 1/3 pounds of butter

Step-by-step explanation: as you can see on the top of the screenshot. itstates that there was 1/2 pounds of butter and that they used 1/3 for the recipe. therefore she used 1/3 pounds of butter in the

recipe

4 0
2 years ago
A storage shed is to be built in the shape of a box with a square base. It is to have a volume of 250 cubic feet. The concrete f
Galina-37 [17]

Answer:

the dimensions of the most economical shed are height = 10 ft and side 5 ft

Step-by-step explanation:

Given data

volume = 250 cubic feet

base costs = $4 per square​ foot

material for the roof costs =  ​$6 per square​ foot

material for the sides costs = ​$2.50 per square foot

to find out

the dimensions of the most economical shed

solution

let us consider length of side x and height is h

so we can say x²h = 250

and h = 250 / x²

now cost of material  = cost of base + cost top + cost 4 side

cost  = x²(4) + x²(6)  + 4xh (2.5)

cost = 10  x² + 10xh

put here h = 250 / x²

cost = 10  x² + 10x (250/ x² )

cost = 10  x² +  (2500/ x )

differentiate and  we get

c' = 20 x - 2500 / x²

put c' = 0 solve x

20 x - 2500 / x²  = 0

x = 5

so we say one side is 5 ft  base

and height is  h = 250 / x²

h = 250 / 5²

height = 10 ft

3 0
3 years ago
If y=15 and x=-9 what is the new value of y
zalisa [80]

Answer:

15

Step-by-step explanation:

You seem to say that y=15, so, wouldn't that be the new value?

5 0
3 years ago
Read 2 more answers
The table shows the estimated number of lines of code written by computer programmers per hour when x people are working. a 2-co
Ann [662]

The estimated number of lines of code written by computer programmers per hour when x people are working & the correct option is  y = 27x - 4.

Table  showing the estimated number of lines of code written by computer programmers per hour when x people are working & option given   y= 47 * 1.191ˣ     y= 34 * 1.204ˣ    y=26.9x - 1.3    y = 27x - 4

To Choose the model which best represents the data.

<h3>What is choosing the best model data?</h3>

To understand a set of data, it is helpful to organize it and provide summary descriptions of the set.

People Working   lines of code

2                             50

4                             110

6                            160

8                            210

10                           270

12                           320

x      y= 47 * 1.191ˣ    y= 34 * 1.204ˣ    y=26.9x - 1.3   y = 27x - 4

2       66.66               49.3                   52.5                 50

4       94.57               71.44                  106.3                104  

6      134.14                103.57               160.1                 158

8      190.27               150.14                213.9               212

10     269.91              217.64               267.7               266

12     382.85             315.5                  321.5               320.

Below    2              0                         4                        1

on line    0              0                         0                       2  

Above     4               6                         2                       3

Therefore  y = 27x - 4 is the best fit

To learn more about the scatterplot visit:

brainly.com/question/26270713

3 0
1 year ago
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