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Butoxors [25]
2 years ago
10

What is the rate of change in the table? X: 0, 1, 2, 3 Y: 3, 6, 9, 12

Mathematics
1 answer:
KengaRu [80]2 years ago
6 0

Answer:

The rate of change is 3.

Step-by-step explanation:

When the y vaues increase, they add 3 three times.

a(x)= \frac{f(b)-f(a)}{b-a} \\

a(x)= \frac{12-9}{3-2}

And If you use this for all the numbers, the value would be three.

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Find all zeros and write the answers in factored form<br> (x-5)(3x^2-8x+6) =0
katen-ka-za [31]

Answer:

x-5=0

x=5

3x2-8x+6=0

d= 64 - 4*3*6= -8

=>

x≠R

answer: only x=5

3 0
3 years ago
The sum of two numbers is 62, and their difference is 12. What are the numbers?
nordsb [41]
X+y=62 ; x-y=12 Solve for x in one equation and plug that value into the other equation. ===> x=12+y ; 12+y+y=62 Subtract 12 to both sides (2y=50), then divide by 2 to find y (y=25). Now, plug 25 as y into x=12+y, getting x=37. Your two numbers are 37 and 25.
6 0
3 years ago
Read 2 more answers
a medication prescription states 1/4 tablet twice a day per 20kg the peson weight is 211 pounds. how many tablets should be take
Black_prince [1.1K]
<h2>Hello!</h2>

The answer is: 1.187 tablets each time (twice a day)

<h2>Why?</h2>

From the statement we know that 0.25 tablet (1/4) should be taken twice a day per 20 kg, it makes 0.5 table a day, per 20 kg.

First, we need to convert the given weight unit (pounds) to kg:

1 Pound=0.45Kg

So,

211Pounds*\frac{0.45Kg}{1Pound}= 94.95Kg=95Kg

A weight of 95 Kg, means 4.75 times more than the given information of 0.5 table a day, per 20 Kg

\frac{95Kg}{20Kg}=4.75

Then,

4.75*(0.5)=2.375

So,

For a weight of 95 Kg,  2.375  tablets should be taken a day, or 1.187  tablets each time.

Have a nice day!

6 0
3 years ago
A book was on sale for 40% off its original price. If
Kruka [31]

Answer:

Option C: $30 is the original price of book.

Step-by-step explanation:

Let the original price of book be x

Given that:

Sale price = x - 40% of x

As it is given that the sale price was $18

So,

$18 =  x - 40% of x

By simplifying:

$18 = x - 0.4x

$18 = 0.6x

Dividing both sides by 0.6:

x = $18/0.6

x = $ 30

So the original price of book will be $30

i hope it will help you!

8 0
3 years ago
Read 2 more answers
Convert 129/7 into a mixed number
Alona [7]
18 and 3/7
Because i can write by phone. So just write 18 in the left side of 3/7
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