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Irina18 [472]
3 years ago
9

Expand the expression: 2.2(-4k + 1)

Mathematics
2 answers:
evablogger [386]3 years ago
6 0

Answer:

8.8k + 2.2

Step-by-step explanation:

Kitty [74]3 years ago
5 0

Answer:

-8.8k+2.2

Step-by-step explanation:

2.2(-4k+1)

= -2.2*-4k+2.2*1

= -8.8k+2.2

Hope this helps!!!

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Which equation has only 1 solution? A. c+2=c+2 B. c= -c+2 C. c+2=c-2 D. c-c=2 Please explain.
zhannawk [14.2K]

Answer:

B. c= -c+2

Step-by-step explanation:

A. ...................

  • c+2=c+2
  • c-c= 2-2
  • 0=0

It has infinitely many solutions as the equation is correct for any value of c.

B. ...................

  • c= -c+2
  • c+c= 2
  • 2c = 2
  • c = 2/2
  • c= 1

It has one solution only

C. ...................

  • c+2=c-2
  • c-c= -2 - 2
  • 0 = -4

It has no solution as this equation is incorrect

D. ...................

  • c-c=2
  • 0 = 2

It has no solution as this equation is incorrect

6 0
3 years ago
If x equals -3. find the matching value for y. 2x-3y=6
tiny-mole [99]

-4

Step-by-step explanation:

2(-3)-3y=6

-6-3y=6

-3y=12

y=-4

if I helped you, please vote brainliest

7 0
3 years ago
On a test, you earn 92% of the possible points by correctly answering 6 five-point questions and 8 two-point questions. How many
makvit [3.9K]
50 points I think cause 50•2=100 and 46•2=92 and 46/50 is equal to 92/100
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If d = 2, what is the value of ?
Rus_ich [418]
Need more information. Can’t answer d=2 the answer would have to be “d”
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Firdavs [7]
It would be 18.75 because if you put it into a mixed number then multiply by 5 you get 18.75
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