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shusha [124]
1 year ago
14

Which equation can be used to determine the value of x?

Mathematics
1 answer:
xz_007 [3.2K]1 year ago
8 0

Answer:

(6x + 2) + 40 = 90

Step-by-step explanation:

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Suma a trei numere este 130. Stiind ca ele sunt invers proportionale cu numerele 2,3,4 aflati numerele
garik1379 [7]
A+b+c=130 a,b,c  ip  cu 2,3,4 2a=3b=4c=k a=k/2 b=k/3 c=k/4 k/2 + k/3+ k/4= 130  aducem la acelasi numitor (12) 6k+4k+3k=1560 13k=1560 k=120 a=120/2=60 b=120/3=40 c=120/4=30
6 0
3 years ago
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Claus borrowed $200 to buy a video game system. He paid $10 per month in interest, and it took him 3 months to repay the loan. W
Kay [80]

Answer:

D. 230

Step-by-step explanation:

<h3> 10x3=30<em> then add 200 then that equals 230</em></h3>
7 0
3 years ago
Suppose you are fencing a rectangular dog pen. The pen is to be 15 feet long and 7 feet wide. How much fencing would you need?
Readme [11.4K]

Answer:

44 feet

Step-by-step explanation:

15 + 15 + 7 + 7 = 44

We can take all 4 sides and add them together to find the perimeter (aka how much fencing you need)

hope this helps :)

4 0
3 years ago
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How do you find the slope of (2, -6) &amp; (-3, -4)
marta [7]

(-4)-(-6)/(-3)-2=

2/-5

4 0
3 years ago
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Which quadratic function is represented by the table ???
Ulleksa [173]

Answer:

B) f(x) = 3x² - 2x + 5

Step-by-step explanation:

To find the correct quadratic function that represents the table, you must substitute [x] into the quadratic function.

A) f(x) = 3x² + 2x - 5

B) f(x) = 3x² - 2x + 5

C) f(x) = 2x² + 3x - 5

D) f(x) = 2x² - 2x + 5

A.   3(-2)² + 2(-2) - 5 =

3(4) - 4 - 5

12 -  4 - 5

12 - 9

= 3

B.   3(-2)² - 2(-2) + 5 =

3(4) + 4 + 5

12 + 9

= 21

C.   2(-2)² + 3(-2) -5 =

2(4) - 6 - 5

8 - 11

= - 3

D.   2(-2)² + 2(-2) + 5 =

2(4) - 4 + 5

8 - 4 + 5

8 + 1

= 9

Your correct answer is: B

8 0
3 years ago
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