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Katen [24]
3 years ago
15

19. Which one of the following statements expresses a true proportion?

Mathematics
1 answer:
choli [55]3 years ago
7 0
That would be : 3:5 = 12:20....because 3/5 = 12/20
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Find the inequality represented by the graph.<br> Can someone please help me!!!!!!
lapo4ka [179]

Answer:

y

Step-by-step explanation:

We first need to determine the equation of the line.

Thus, we will need to find our slope first. To do so, we need to pick two points from the line. We can use (0, 5) and (3, 1).

Now, we can use the slope formula. Therefore:

m=\frac{y_2-y_1}{x_2-x_1}

Let (0, 5) be (x₁, y₁) and let (3, 1) be (x₂, y₂). Substitute appropriately:

m=\frac{1-5}{3-0}=\frac{-4}{3}

Therefore, our slope is -4/3.

Now, we can use the slope-intercept form:

y=mx+b

Where m is our slope and b is the y-intercept.

We already determined that the slope is -4/3.

And (0, 5) tells us that the y-intercept is 5. Therefore, substitute:

y=-\frac{4}{3}x+5

Finally, we need to determine our inequality sign.

Notice that our line is dotted. Hence, we do not need “or equal to.”

Also, the blue shaded region is below our line. Therefore, y must be less than our equation.

Hence, our sign is less than.

Therefore, our equation is:

y

8 0
3 years ago
Fill in the table using this function rule y= 18-3x
Mashcka [7]

Answer:

1:15 2:12 3:9 5:3

Step-by-step explanation:

All you have to do is plug in the # under the letter x , and plug it into the equation. For example 18 - 3 x 1 , is just saying what is 18 - 3 . Another example would be 18 - 3 x 2 . the equation is simply just 18 - 6 . Just plug in the x numbers in the equation. Hope my answer helped  , and good luck! : )

4 0
4 years ago
PLZ HELP IMPORTANT!
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After you've calibrated the sprayer to know your application rate in gallons per acre, divide that number into the gallons applied with each tankful to find how many acres each tankful covers. Then, multiply the acres per tank by the herbicide needed per acre to find the herbicide to put in each tankful.

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4 0
3 years ago
What is 3a+2b-5a+b simplified?
marishachu [46]

Answer:

-a + b

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
ANSWER PLEASE..................
Lena [83]
The answer is 74.32 y ok it welcome
5 0
3 years ago
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