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motikmotik
2 years ago
6

What expressions are equivalent to 4x-5

Mathematics
2 answers:
Vitek1552 [10]2 years ago
8 0

Answer:

2(2x-2.5)

4(x-1.25)

5(0.8x-1)

Step-by-step explanation:

Olenka [21]2 years ago
8 0
2(2x-2.5) and 4(x-1.25) are equivalent
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3x+y=7<br> 6x+4y=22<br> can somebody help me solve this problem?
swat32
Hey there!

\boxed{x=1;y=4}

3x + y = 7 \\ \\ &#10;    6x + 4y = 22

y = -3x + 7 \\ \\ Plug \ this \ in \ for \ variable \ (y) \ in \ equation \ \\ \\ &#10;&#10;       6x + 4*(-3x+7) = 22 \\ \\ &#10;       -6x = -6 \\ \\ 6x=6 \ x+1 \\ \\ x=1 \ y=-3x+7 \\ \\ \boxed{y=-3(1)+7=4} \\ \\ \boxed{\boxed{x=1;y=4}}

I hope this helps you!
5 0
3 years ago
How do you convert 6x + 19y = 19 into slope intercept form?
uranmaximum [27]

Answer:

y=-6/19x+1

Step-by-step explanation:

Happy Holidays

7 0
3 years ago
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Ralph is 3 times as old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.
marshall27 [118]
3x-x=(2x+4)-(x+4)? That is my answer but it might not be right
3 0
2 years ago
What is the surface area of this right circular cone?
docker41 [41]

Answer:

○ B) 624π mm.²

Step-by-step explanation:

\pi r(r +  \sqrt{ {r}^{2} +  {h}^{2}}) = S. A. \\  \\ \pi (12)(12 + \sqrt{{12}^{2} + {40}^{2}}) \\  \\ 12\pi(12 + \sqrt{1744}) = 12\pi(12 + 38) = 12\pi(50) = 600\pi \\  \\ 600\pi ≈ 624\pi

I am joyous to assist you anytime.

3 0
2 years ago
Point (, ) is dilated from the origin by scale factor = . What are the coordinates of point ′?
Igoryamba

Answer:idk how to do this im in 7th grade

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3 years ago
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