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Strike441 [17]
3 years ago
14

Which points are on the graph of the function rule f(x) = 10 – 4x?

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
(–2, 18), (0, 10), (2, 2)
FromTheMoon [43]3 years ago
4 0

Answer with Step-by-step explanation:

we are given that:

f(x)=10-4x

We have to determine which points lie on the graph of f(x)

1. (2, –18), (0, –10), (–2, –2)

When x=0

f(x)=10

But here we are given (0,-10)

Hence, this option is incorrect

2. (18, –2), (10, 0), (2, 2)

When x=10

f(x)= -30

but here we are given (10,0)

Hence, this option is incorrect

3. (–18, 2), (–10, 0), (–2, –2)

when x= -10

f(x)= 50

but here we are given (-10,0)

Hence, this option is incorrect

4. (–2, 18), (0, 10), (2, 2)

f(-2)=18,f(0)=10 and f(2)=2

Hence, Correct option is:

(–2, 18), (0, 10), (2, 2)

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dlinn [17]

Answer

D. 3m - 4/3 -2/m


<u>Explanation</u>

(9m²-4m-6) ÷ 3m  = 9m²/3m - 4m/3m - 6/3m

Carry out the division, each term is divided by 3m.

9m²/3m = 3m

- 4m/3m = -4/3

- 6/3m = - 2/m

Finally you will get,

<em>3m - 4/3 -2/m</em>

5 0
3 years ago
WILL MARK AS BRAINLIEST FOR THESE QUESTIONS.
laiz [17]

1.

Let the sandwich be represented by = x

Let the drink be represented by = y

As given, Joe charges $10.00 for two sandwiches and one drink, so equation becomes 2x+y=10    ....(i)

He charges $6.50 for one sandwich and one drink, so equation becomes x+y=6.50  ....(ii)

Subtracting (ii) from (i) we get

x=3.50

And as x+y=6.50

y=6.50-3.50=3.00

Hence, cost of a sandwich is $3.50 and a drink is $3.00

2.

the question is incomplete. coordinates are missing

3.

Let x represent the number of performances

cost = 8000+300x

revenue = 700x

To break even, the cost must be equal to the revenue.

8000+300x=700x

400x=8000

so x=20

Hence, 20 performances are needed to break even.

4.

Let us take x for 20% material, y for 50% material

\frac{20x+50y}{200}=30

20x+50y=6000    ......... (1)

Accounting for volumes to use, x+y=200 or x=200-y ................ (2)

Putting the value of x in (1)

20(200-y)+50y=6000

4000-20y+50y=6000

4000+30y=6000

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y=66.67

x=200-y = 200-66.67 =133.33

Hence, 133.33 ml of 20% acetic acid and 66.67% of 50% acetic acid is needed.





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4 years ago
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Answer:

6root3

Step-by-step explanation:

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snow_tiger [21]

Answer:

The asnwer is y= 3/4x -1

Step-by-step explanation:

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3 years ago
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The diameter of a basketball is 245 cm. What is the circumference?​
maks197457 [2]

Answer: 769.3

Step-by-step explanation:

C=2\pi r\\

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