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shutvik [7]
3 years ago
12

Which shows the algebraic representation of the phrase and it’s value when n=4.2 “twenty-eight plus the product of five and a nu

mber”
Mathematics
2 answers:
Dmitry [639]3 years ago
3 0

twenty eight plus the product of five and a number

28 + 5n

28 + 5(4.2)

28 + 21

49

emmasim [6.3K]3 years ago
3 0

Answer:

B

Step-by-step explanation:

I did test a day ago and got 100%

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Tpy6a [65]
First you should find the discount so you can say: 
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I hope this is helpful 
have a nice day 
7 0
3 years ago
What value is true of x makes this equation true 0.7x-5=0.2x+1
Sever21 [200]

Answer:

x=12

Step-by-step explanation:

First you make sure x is on both sides of the equation. So you do 0.7x-5-0.2x=0.2x+1-0.2x. Which just simplifies to 0.5x-5=1. You make sure x is the only thing on that side of the equation so you do 0.5x-5+5=1+5 which simplifies to 0.5x=6. Multiply the equation times 2 to just have x. x=12. The value that makes true of x is 12.

7 0
3 years ago
600 x 800...................................
Mashcka [7]
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6 0
3 years ago
Read 2 more answers
Find the first four terms of the sequence given by the following an=57-4(n-1),n=1,2,3
Crazy boy [7]

Answer:

57, 53, 49, 45

Step-by-step explanation:

Substitute for the n for n=1,2,3,4 so the first term is 57-4(1-1) so =57-4(0) so

a(1) = 57-0 = 57  so that is the 1st term

2nd term 57-4(2-1) so =57-4(1) so   a(2) = 57-4 = 53, etc.

4 0
2 years ago
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Answer:

Step-by-step explanation:

Statements                              Reasons

AB // DC                                    Given

AD // BC                                    Given

AC ≅ AC                                   Reflexive property

∠BAC ≅ ∠DCA                         Alternate interior angles

∠ACB ≅ ∠DAC                         Alternate interior angles

ΔCAB  ≅ ΔDAC                        A S A

AD ≅ BC                                   CPCT

8 0
2 years ago
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