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Hunter-Best [27]
3 years ago
11

Ase the points (-1,1) and (1, -1) on the graph of y = 2x -3

Mathematics
1 answer:
kondaur [170]3 years ago
6 0

Step-by-step explanation:

y = 2x - 3 \\ plug \: x =  - 1 \\ y = 2( - 1) - 3 =  - 2 - 3 =  - 5 \neq1 \\ hence \: ( - 1, \: 1) \: does \: not \: lie \: on \: the \:  \\ graph \: of \: y = 2x - 3. \\  \\ y = 2x - 3 \\ plug \: x =  1 \\ y = 2 \times 1- 3 =  2 - 3 =  - 1 \\ hence \: ( - 1, \: 1) \:  lie \: on \: the \:   graph \: of \:  \\ y = 2x - 3. \\  \\

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What is the average rating for operative effectiveness for national group for all 5 weeks 3.5 3.5 3.8 3.7 3.4
dsp73

Answer:

3.58

Step-by-step explanation:

You must add up all of the numbers which will get you 17.9

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What are the slope and y intercept of the line 4y= -x - 32
Alona [7]
First you'll have to bring the equation in form y = mx + b.

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Hope this helps :)
7 0
3 years ago
Read 2 more answers
HELP! HELP!
alexgriva [62]

Answer:

The answer should be C. By combining like terms you can find the answer. 1.75a+2.75a = 4.5a

2.25b + 1.75b = 4b

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
D= number of dollars
padilas [110]

<u>Unit rate 4:</u>

The table

d      n

4       1

8       2

16      4

<u>Unit rate 1/4:</u>

Table

d      n

1       4

4       16

16      64

and

The equation n=4d

<u>Unit rate 16:</u>

Equation:

d = 16n

Step-by-step explanation:

The unit in the unit rate is dollars per unit ounces which means that the unit rate calculated by

Unit\ rate = \frac{dollars}{ounces}

So,

The first option is the equation:

d = 16n\\\frac{d}{n} = 16

The unit rate is 16 dollars per ounce

The second option is the table:

d      n

1       4

4       16

16      64

We can take any pair of values of d and n from the table to calculate the unit rate

So taking

d = 1

n=4

Unit\ rate = \frac{d}{n}\\= \frac{1}{4}

The unit rate for table is: 1/4 dollars per ounces

Third option is the equation:

n = 4d

n = 4d

dividing both sides by n

\frac{n}{n} = \frac{4d}{n}\\1 = \frac{4d}{n}

dividing both sides by 4

\frac{1}{4} = \frac{4d}{4n}\\\frac{d}{n} = \frac{1}{4}

the unit rate is 1/4 dollars per ounce

Fourth option is the table:

d      n

4       1

8       2

16      4

We will take any pair of d and n to find the unit rate

So,

Taking

d = 4

n =1

Unit\ rate = \frac{d}{n} \\= \frac{4}{1}\\=4

The unit rate is 4 dollars per unit ounce.

Keywords: Unit rate, units

Learn more about unit rate at:

  • brainly.com/question/4550858
  • brainly.com/question/4639731

#LearnwithBrainly

7 0
3 years ago
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