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nika2105 [10]
3 years ago
8

Simplify 3x-2+5x+9 pls

Mathematics
2 answers:
vfiekz [6]3 years ago
6 0

Answer:

8x+7

Step-by-step explanation:

creativ13 [48]3 years ago
3 0

Answer:

8x + 7

Step-by-step explanation:

3x - 2 + 5x + 9

3x + 5x + 9 - 2

8x + 7

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5.22 write the decimal as a fraction or mixed number in simplest form​
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Answer:  

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Step-by-step explanation:

5.22 = 261/50 = 5 and 11/50

5 0
3 years ago
What is the percent of decrease from 1,000 to 400?
Luden [163]

Answer:

400/1000×100%

40% is the percent of decrease from 1,000 to 400.

8 0
3 years ago
Find the equation of circle (5,1) diameter 4 square root 5​
stepladder [879]

Answer:

(x-5)^2+(y-1)^2=20

Step-by-step explanation:

<u>Equation of a circle</u>

(x-a)^2+(y-b)^2=r^2

(where (a, b) is the center and r is the radius)

Given:

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Diameter = 2r (where r is the radius)

⇒ r = 4√5 ÷ 2 = 2√5

Substituting these values into the equation:

\implies (x-5)^2+(y-1)^2=(2\sqrt{5})^2

\implies (x-5)^2+(y-1)^2=20

6 0
2 years ago
Plz help if you know this, got a couple minutes left. 20 points
azamat

Answer:

I don't know this at all I'm sorry, but ur down bad yo

Step-by-step explanation:

6 0
3 years ago
Tom has r quarters. Express the value of the quarters in cents.
BigorU [14]
C = 0.25r

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hope this helps and have a great day! :)
3 0
3 years ago
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