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valkas [14]
3 years ago
9

A city manager made a scatter plot of number of retail stores in a certain cirty over years. The scatterplot had a trend like wi

th an equation of y=11x+12, where y is the total number of retail stores and X is the number of years since 1990. Mark and his family moved to a city in 1997. How many retail stores were their in 1997
Mathematics
1 answer:
nata0808 [166]3 years ago
8 0

Answer: There were 89 retail stores in 1997.

Step-by-step explanation:

Hi, to answer this question, first, we have to calculate the number of years since 1990(x).

1997-1990 = 7 years

Now, we simply substitute x=7 (years) in the equation given

y=11x+12

y=11(7)+12

y=77+12

y = 89 retail stores

There were 89 retail stores in 1997.

Feel free to ask for more if needed or if you did not understand something.

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Find the perimeter. Explain what you added together to get your answer. You can get partial credit for explaining steps, even if
sertanlavr [38]

Answer:

the area of the shape is 7.14

Step-by-step explanation:

First, find the area of the square:

2 in x 2 in = 4 in

then to find the area of the semi- circles add them together to make a circle

To find the area of the circle, use:

pi x radius^2  

Since the diameter is 2 divide the diameter by 2 to get radius  

3.14 x 1^2 = 3.14

The circle is 3.14 plus 4 ( the square ) = 7.14

5 0
3 years ago
if Lydia buys 1/2 pound of the Breakfast Tea and 2 pounds of the Dark Roast coffee, how many 1- pound bags of Pumpkin Spice coff
const2013 [10]

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

Lydia is at a coffee shop and knows  she can spend no more than $65

before tax. She sees this price list in  the coffee shop.

Dark Roast Coffee    $7.50

Pumpkin Spice Coffee   $10.50

Breakfast Tea   $23.50

if Lydia buys 1/2 pound of the Breakfast Tea and 2 pounds of the Dark Roast coffee, how many 1- pound bags of Pumpkin Spice coffee can she buy?

Given Information:

Shopping Budge = $65

Price of   Dark Roast Coffee = $7.50

Price of Pumpkin Spice Coffee  = $10.50

Price of  Breakfast Tea  = $23.50

Amount of Breakfast Tea required = 1/2 pound

Amount of Dark Roast coffee required = 2 pounds

Required Information:

How many 1-pound  Pumpkin Spice Coffee can she buy = ?

Answer:

n = 3 bags of 1-pound Pumpkin Spice Coffee

Step-by-step explanation:

We are given that the amount of Breakfast Tea required is 1/2 pound so the cost of Breakfast Tea is

Cost of Breakfast Tea = 1/2*23.50 = $11.75

We are also given that the amount of Dark Roast coffee required is 2 pounds so the cost of Dark Roast coffee is

Cost of Dark Roast coffee = 2*7.50

Cost of Dark Roast coffee = $15

We know that total Lydia's total budget is $65

11.75 + 15 + 10.50x = 65

Where x represents the amount of Pumpkin Spice coffee required

10.50x = 65 - 11.75 - 15

10.50x = 38.75

x = 3.64 pounds

That means Lydia can buy 3.64 pounds of Pumpkin Spice coffee.

Now assuming that the Pumpkin Spice coffee is sold only in 1-pound bags then the required number of bags that Lydia can buy is

n = 3.64 pound/1-pound

n = 3.64

Since bags cannot be in fraction so

n = 3 bags

Note: we can not round off to 4 bags since that would surpass the given budged.

7 0
3 years ago
When solving the following system of equations, which variable would be the easiest to solve for?
Nata [24]

Answer:

xy1

Step-by-step explanation:

Correct option is C)

Given two equations are 2x+y+4=0 and x=3y+7=0

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By cross multiplication method ,the equations obtained will be ,

b×p−n×c

x

​

=

c×m−a×p

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=

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Thus comparing it with given 2 equations we obtain:

7−12

x

​

=  

4−14

y

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=  

6−1

1

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7 0
2 years ago
Eddie told Alfred I'll bet if I could flip three coins I can get exactly two heads Alfred replied I'll bet I can get exactly two
beks73 [17]
Alfred, because he is more at risk for flipping more than 2 heads, were Eddie can only flip a maximum of 3 so the probability is in his favour
3 0
3 years ago
Read 2 more answers
An ice cream truck vender sells 15 vanilla ice cream bars every 2 hours At this rate, how many hours does it take the vendor to
kupik [55]

Answer:

12 hours

Step-by-step explanation:

15/2=7.5

90/7.5 = 12

5 0
3 years ago
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