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Flauer [41]
2 years ago
11

Let’s say you go to the store and you want to buy cheese and you find out for 1 pound it’s $3.10 and you buy 2.3 pounds. What is

the cost?
Mathematics
1 answer:
bogdanovich [222]2 years ago
7 0
$7.13 hope this helps
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EMERGENCY PLEASE HELP! Which set of ordered pairs does not represent a function?
lilavasa [31]

Answer:

c.

Step-by-step explanation:

The X value 1 is repeated

7 0
2 years ago
Given DB BE<br><br> &lt; A &lt; C<br><br>Prove : ∆DBC ∆ AEB
cestrela7 [59]

Answer:

Step-by-step explanation:

<A = <C (given)

DB = EB (given)

<B = <B cuz its in both the triangles (forgot the sentence to prove it)

proved using AAS

hope this helped

8 0
2 years ago
On the first day of winter, the temperature in Cassville was – 3°F. That same day, the temperature in Shorewood was – 11°F
just olya [345]

Answer:

Step-by-step explanation:

___________________________________________________________

                   -11       -10       -9    -8     -7    -6       -5    -4   -3       -2       -1        0

Okay so on this number line that I made you see -3 degrees F and -11 degrees F. All you have to do is count, start at -3 and count the numbers until you get -11 so the answer would be -8 degrees F because it takes 8 units to get to 7 on the negative number line.

3 0
2 years ago
Given the following three points, find by hand the quadratic function they represent.
RideAnS [48]

Answer:

The equation is;

f(x) = -2·x² + 5·x - 1

Step-by-step explanation:

The general form of a quadratic equation  or function f(x) is, f(x) = y = a·x² + b·x + c

Given that the points representing the quadratic function are;

(-1, -8), (0, -1), (1, 2) which  are of the form (x, y)

When x = -1, f(x) = y = -8

Plugging in the above values into the general form of a quadratic function, we have;

-8 = a·(-1)² + b·(-1) + c = a - b + c

-8  = a - b + c.........................(1)

When x = 0, y = -1, we have;

-1 = a·(0)² + b·(0) + c = c

c = -1.......................................(2)

When x = 1, y = 2, which gives;

2 = a·(1)² + b·(1) + c = a + b + c

2 = a + b + c........................(3)

Adding equation (1) to equation (3), we have;

-8 + 2 = a - b + c + a + b + c

-8 + 2 = 2·a + 2·c

From equation (2) c = -1, we get;

-8 + 2 = -6 = 2·a + 2·c = 2·a + 2 × (-1)

-6 = 2·a - 2

-4 = 2·a

a = -2

From equation (3), we have

2 = a + b + c

Substituting the values of a, and c gives;

2 = -2 + b - 1

b = 2 + 2 + 1 = 5

b = 5

The equation is therefore;

f(x) = -2·x² + 5·x - 1.

3 0
3 years ago
What is the result of converting 8 gallons to quarts ? remember , there are 4 quarts in a gallon
Makovka662 [10]
8 ×4 is 32 which is 32 quarts
6 0
3 years ago
Read 2 more answers
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