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natka813 [3]
2 years ago
8

Find the perimeter od a rectangular frame with sides of 4x -1 and 6x+5

Mathematics
1 answer:
Keith_Richards [23]2 years ago
7 0

Answer:

20x+8

Step-by-step explanation:

in a rectangle, the sides opposite from each other are equal, and finding the perimeter means you going to add all the sides together

therefore we have

4x-1+4x-1+6x+5+6x+5=20x+8

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Match each set of points with the slope of the line formed by the ordered pairs.
Maksim231197 [3]

Answer:

(0,7) and (2,4) go to slope =-3/2

(1,-3) and (-1,-3) go to zero slope

(0,0) and (2,1) go to slope =1/2

(0,-1) and (2,-5) go to slope =-2

and (-1,3) and (-1,-3) go to no slope

Step-by-step explanation:

i did the edge 2020 thing

3 0
3 years ago
Read 2 more answers
The LCM of two numbers is 60. Their GCf is 6 and their difference is 18. What are the two numbers?
Aliun [14]
LCM(x,y)=60\\
GCF(x,y)=6\\
x-y=18\\\\
LCM(x,y)=\dfrac{|x\cdot y|}{GCD(x,y)}\\
60=\dfrac{|x\cdot y|}{6}\\
|x\cdot y|=360\\\\\\
|x\cdot y|=360\\
x-y=18\\\\
|x\cdot y|=360\\
x=18+y\\\\
|(18+y)\cdot y|=360\\
|18y+y^2|=360\\
18y+y^2=360 \vee 18y+y^2=-360\\
y^2+18y+81=441 \vee y^2+18y+81=-279\\
(y+9)^2=441 \vee (y+9)^2=-279\\
y+9=\sqrt{441} \vee y+9=-\sqrt{441}\\
y=21-9 \vee y=-21-9\\
y=12 \vee y=-30\\\\
x-12=18 \vee x-(-30)=18\\
x=30 \vee x=-12\\\\
\boxed{x=30, y=12 \vee x=-12, y=-30}
4 0
3 years ago
Read 2 more answers
The function of f(x) = 3x + 2 has a domain of -3 < x < 5. What is the domain of f-1(x)?
Flura [38]
<h3>Answer:    -7 < x < 17</h3>

====================================================

Explanation:

Plug in the lower bound of the domain, which is x = -3

f(x) = 3x+2

f(-3) = 3(-3)+2

f(-3) = -9+2

f(-3) = -7

If x = -3, then the output is y = -7. Since f(x) is an increasing function (due to the positive slope), we know that y = -7 is the lower bound of the range.

If you plugged in x = 5, you should find that f(5) = 17 making this the upper bound of the range.

The range of f(x) is -7 < y < 17

Recall that the domain and range swap places when going from the original function f(x) to the inverse f^{-1}(x)

This swap happens because how x and y change places when determining the inverse itself. In other words, you go from y = 3x+2 to x = 3y+2. Solving for y gets us y = (x-2)/3 which is the inverse.

-----------------------

In short, we found the range of f(x) is -7 < y < 17.

That means the domain of the inverse is -7 < x < 17 since the domain and range swap roles when going from original to inverse.

6 0
3 years ago
A box of popsicles contains 4 of each flavor: cherry, lemon-lime, grape, and orange. Find the probability of one person randomly
sashaice [31]

because if u pick a grape that was 25% chance and then pick another grape that is 1/8

8 0
3 years ago
7th grade math<br> I will give brainliest to right answer<br> 6 = -4/5 s<br> what is the value of s
alekssr [168]

Answer:

\frac{-4}{5} s = 6\\-4s = 6*5\\-4s = 30\\s = \frac{30}{-4}

s = 30/-4   or      -7.5

8 0
2 years ago
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