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yaroslaw [1]
3 years ago
5

MULTIPLE CHOICE : Which expression is equal to f(x) + g(x)

Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0

Answer:

Option C.

Step-by-step explanation:

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A local high school held a two-day fundraiser selling lunches. The equations shown represent the amount of money the school coll
scoundrel [369]

The given equations are

12x + 4y = 152 ...........1

32x + 12y = 420 .....2

Multiplying equation 1 by 3 to make  coefficient of y same we have:

36x+12y= 456

32x+12y=420

Subtracting the two equations we have:

4x=36.

Dividing by 4 both sides

x= 9.

Substituting x value in equation 1

12(9) + 4y = 152

108+4y=152

Subtracting 108 both sides: 4y=44.

Dividing both sides by 4.

y=11.

cost of the vegetarian lunch is $11.


In the equations, x represents the cost of a chicken lunch and y represents the cost of a vegetarian lunch.




5 0
3 years ago
A data set lists weights​ (lb) of plastic discarded by households. The highest weight is 5.48 ​lb, the mean of all of the weight
larisa [96]

Answer:

money is the answer always believe it baby

Step-by-step explanation:

4 0
3 years ago
Need help on this, I never learned how to do this yet and it’s on homework
Wewaii [24]

For a function f(x), its average rate of change on an interval [a, b] is given by what's called the "difference quotient",

\dfrac{f(b)-f(a)}{b-a}

and is basically the ratio of the difference in values of f(x) at the endpoints to the difference in the endpoints themselves.

I assume the 6 intervals below each table correspond to each table immediately above them.

From the first table, we get the following average rates of change (after arranging the intervals from left to right):

• [-3, -2] : (f(-2) - f(-3)) / (-2 - (-3)) = (7 - 12)/1 = -5

• [-2, -1] : (f(-1) - f(-2)) / (-1 - (-2)) = (4 - 7)/1 = -3

• [-1, 0] : (f(0) - f(-1)) / (0 - (-1)) = (3 - 4)/1 = -1

• [0, 1] : (f(1) - f(0)) / (1 - 0) = (4 - 3)/1 = 1

• [1, 2] : (f(2) - f(1)) / (2 - 1) = (7 - 4)/1 = 3

• [2, 3] : (f(3) - f(2)) / (3 - 2) = (12 - 7)/1 = 5

Just do the same for the other two tables. Note that each listed interval has length 1, so practically, each average rate of change over [a, b] is exactly f(b) - f(a).

For parts (c) and (d):

• (c) You'll notice that each of the average rates of change are odd numbers …

• (d) … but they're not necessarily all the same size, and they follow slightly different patterns.

5 0
2 years ago
Find the value of x that makes s and t parallel.<br> 3.<br> 3(x-8)"<br> 2(x + 10)"<br> I
zaharov [31]

Answer:

x=44

Step-by-step explanation:

If the lines were parallel, then those two angles would be equal since they are alternate interior angles. So:

3(x-8)=2(x+10)

3x-24=2x+20

x=44

Hope this is helpful! :)

7 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppoppppppoo
postnew [5]

Answer:

Step-by-step explanation:

abc=80, abm= 100

acb= 40, acn= 140

angle a = 60

x=80, y=40

8 0
3 years ago
Read 2 more answers
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