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ICE Princess25 [194]
3 years ago
15

use the function rule, y= 2x+5, to find the values of y when x =1,2,3,4. write the answers as ordered pairs that would be used t

o graph the function. show your work
Mathematics
1 answer:
Lady_Fox [76]3 years ago
6 0
<span>y=2(1)+5,,, y=2+5 then y=7 (1,7).....y=2(2)+5,,,y=4+5 then y=9 (2,9) .....y=2(3)+5,,, y=6+5 then y=11 (3,11)........ y=2(4)+5,,,,y=8+5 then y=13 (4,13) when solving for the y you just have to substitute the values of the x given one by one ..... for the ordered pairs -.... ex. in first equation the given value of x is 1..... so we know that is the value of x and by substituting you can find the value of y which turned to be 7 ,,, to write it (1,7) 1 is the x and 7 is the y ((x,y)

</span>
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Randy can buy 6 gallons of gas for $18 or 7 gallons of gas for $21. How much do you think he would pay for 8 gallons of gas? A)
ryzh [129]
Well, we want to find how much it would cost for 1 gallon, the easiest way to do that is subtract 21 from 18.

21 - 18 = 3

So, it's 3 dollars per gallon. Now that we know that we multiply it by 8 to find how much it would cost.

8 x 3 = 24

Eight gallons of gas would cost 24$ :D
8 0
4 years ago
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Explain how the Remainder Theorem and the Factor Theorem are related.​
Daniel [21]
Basically the remainder theorem links the remainder of division by a binomial with the value of a function at a point while the factor theorem links the factors of polynomial to its zeros
8 0
3 years ago
A circle has a radius of \sqrt{13}√ ​13 ​ ​​ square root of, 13, end square root units and is centered at (-9.3,4.1)(−9.3,4.1)le
timofeeve [1]

Answer:  The equation of the circle is

x^2+y^2+18.6x-8.2y+90.3=0.

Step-by-step explanation:  We are given to write the equation of the circle with radius √13 units and center at the point (-9.3, 4.1).

We know that

the standard equation of a circle with radius r units and center at the point (h, k) is given by

(x-h)^2+(y-k)^2=r^2.

In the given circle,

radius, r = √13 units  and  center, (h, k) = (-9.3, 4.1).

Therefore, the equation of the circle will be

(x-(-9.3))^2+(y-4.1)^2=(\sqrt{13})^2\\\\\Rightarrow (x+9.3)^2+(y-4.1)^2=13\\\\\Rightarrow x^2+18.6y+86.49+y^2-8.2y+16.81=13\\\\\Rightarrow x^2+y^2+18.6x-8.2y+103.3=13\\\\\Rightarrow x^2+y^2+18.6x-8.2y+90.3=0.

Thus, the equation of the circle is

x^2+y^2+18.6x-8.2y+90.3=0.

7 0
3 years ago
Find the area of the figure shown<br><br> Area = ------- square yards
torisob [31]

Answer:

70

Step-by-step explanation:

area = l×w×h

area= l×h

2l×2h

8 0
3 years ago
If the two consecutive numbers is 23 , find them​
Iteru [2.4K]
<h2>(☞^o^) ☞</h2><h2>Here's your answer </h2>

Step-by-step explanation:

Let the two consecutive natural numbers be x and x+1

Now, according to the problem

x+(x+1)=23

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The one number is 11

The next number is x+1=11+1=12

Hence the numbers are 11 and 12.

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2 years ago
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