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andrezito [222]
3 years ago
10

Carlos was studying whether or not eating fast food had a effect on a person's weight. He surveyed 100 people and recorded the

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
7 0

Answer: C

Step-by-step explanation:

I got this right

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A bakery sells 6350 muffins in 2010. The bakery sells 8310 muffins in 2015. Write a linear model that represents the number $y$
Korvikt [17]

Answer:

y = 392x + 6350

Step-by-step explanation:

Here, we calculate the average rate of change in the number of muffins sold between the two years

Mathematically that will be the difference in number of muffins divided by the number of years

We have this as;

(8310-6350)/(2015-2010)

= 392

an average of 392 muffins were sold in a year

The general form of the equation of a straight line is;

y = mx + c

we have m as 392

so;

y = 392x + c

To get c, we make a substitution

2015 is 5 years after 2010, so x will be 5 and y will still be 8310

so;

8310 = 392(5) + c

c = 8310 - 2960

c = 6350

So the equation is;

y = 392x + 6350

8 0
3 years ago
Tank A contains 35 gallons of water and is increasing at a rate of 5 gallons per minute. Tank B contains 100 gallons of water an
Rus_ich [418]
35+5t=amount in tank A after t minutes
100-8t=amount in tank B after t minutes

same amount

35+5t=100-8t
add 8t both sides
35+13t=100
minus 35 both sides
13t=65
divide by 13 both sides
t=5
5 minutes
8 0
3 years ago
A number b divided by -3 is greater than or<br> equal to 6.
-Dominant- [34]

Answer:

b/3\geq 6

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Which point lies on the graph of f(x) = -2(x + 3) – 5 A) (-6,1) B) (-6,-8) C) (6,-13) D) (6,-4)
nalin [4]
First you'd work around the parenthesis, getting you a reduced problem of -2x-6-5.

combine like terms to receive -2x-11

now treat the f(x) as Y and you'll get y=-2x-11; toss it onto a graph and plot the individual points (your answer options)

all points except for A do not touch the line, resulting in your answer to be letter A!

hope this helps :)
7 0
4 years ago
Rewrite the following expression <br> X 9/7
dmitriy555 [2]

Answer:

X1 2/7

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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