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Lelu [443]
3 years ago
13

Greg has 5 coins in his pocket. The value of all 5 coins is $0.57m which coins does he have in jis pocket

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0
C 2 quarters 25 + 1 nickel 5 + 2 pennies = 0.57
Step2247 [10]3 years ago
4 0
Test all answer choices:
A) 0.25+0.20+0.02 = 0.47 - incorrect
B) 0.75+0.02 = 0.77 - incorrect
C) 0.50+0.05+0.02 = 0.57 correct
D) 0.50+0.10+0.02 = 0.62 incorrect

The correct answer is C.
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What is the nth term of the sequence -2 -8 -18 -32 -50
andreev551 [17]

Answer:

-2n²

Step-by-step explanation:

Using the image attached:
We see that the second differences (blue ones) are all equal so we conclude that this is a quadratic sequence.
The quadratic sequence has the form:
T_{n} = an^{2}  +bn +c

To find the value of a we just divide second difference ( -4 ) by 2:

  • a = \frac{-4}{2}= -2

Now we have:

  • T_{n}= -2n^{2}  +bn+c

Substitute n_{1} and n_{2} into the equation above:

  • T_{1} = -2(1)^{2}  +b(1) +c
  • T_{2} = -2(2)^{2}  +b(2)+c

Since T_{1} = -2 and T_{2} = -8 , after simplification we have:

  • b +c =0
  • 2b+c=0

The solution of this system is:

  • b=0, c =0

The general term is :

T_{n} = -2n^{2}

6 0
2 years ago
( 5.6 - 1.2 ) times 1/3 =
vladimir1956 [14]

Answer:

4.4* 1/3

4.4= 4 and 4/10 so 44/10*1/3= 44/30= 22/15

22/15

Step-by-step explanation:

6 0
3 years ago
Find the m, b, and write the equation for the following graph:
geniusboy [140]

Answer:

y=3

Step-by-step explanation:

m=0

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3 0
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Help please and Explain properly with the terms: Corresponding angles and Parallel lines cut by a transversal and AA Criterion
yuradex [85]

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Step-by-step explanation:

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2 years ago
If f(x)=3x-2 and g(x)=2x+1 find(f-g)(x)
Solnce55 [7]

Answer:

(f-g)(x) = x-3

Step-by-step explanation:

f(x)=3x-2

g(x)=2x+1

(f-g)(x)= 3x-2 - ( 2x+1)

Distribute the minus sign

3x -2 -2x -1

Combine like terms

x-3

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