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sveticcg [70]
3 years ago
11

5y+4 times 2 what is the coefficient in this expression?

Mathematics
1 answer:
rodikova [14]3 years ago
3 0

Answer: 5

Step-by-step explanation: The coefficient is the number that comes right before the variable. Another way to say this is it's what the variable is multiplied by.

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PLS SOMEONE HELP ME ASAP
babymother [125]

Answer:

A. (2i)(8) = d. 16i

B. 16i³ = b. -16i

C. (2i)⁴ = a. 16

D. (2i)(8i) = c. -16

Step-by-step explanation:

A. Multiply 2i by 8 to get 16i, which corresponds to d.

B. The exponent is 3 more than a mulitple of 4 in 16i³, so the answer is negative. -16i corresponds to b.

C. (2i)⁴ has an exponent that is a multiple of 4, so the i isn't needed. 16 corresponds to a.

D. (2i)(8i) simplifies to 2(8) * i². The exponent is 2 more than a multiple of 4, so the answer is negative, without an i. -16 corresponds to c.

8 0
2 years ago
Pleaseeeee help There was a sample of 200 mg of radioactive substance to start a study. Since then, the sample has decayed by 4.
m_a_m_a [10]
Y=200 (1-0.044)^t
.................
8 0
3 years ago
According to a survey, 60 sixth grade students at Madison Middle School attended a summer camp. This is 30% of the entire sixth
olya-2409 [2.1K]

Answer:

30% = 60

10% = 60/3 = 20

100% = 200

Step-by-step explanation:

total is 200

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3 0
3 years ago
The cost of a newsletter subscription is $20 per year. The cost is expected to increase 10% each year. Which expression can be u
a_sh-v [17]
Selection A is appropriate.

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20*1.1^n is the general expression for the cost n years in the future.
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4 0
3 years ago
0.4+x(10%)=4.9 solve for x.
SIZIF [17.4K]

Answer:

  x = 45

Step-by-step explanation:

  0.4 + x(10%) = 4.9 . . . . . . given

  x(10%) = 4.5 . . . . . . . . . subtract 0.4

  x = 45 . . . . . . . . . . . . multiply by 10

_____

10 × 10% = 100% = 1

3 0
2 years ago
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