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satela [25.4K]
3 years ago
8

Write an expression that is equivalent to 3(7+).

Mathematics
1 answer:
BigorU [14]3 years ago
7 0

Answer:

21+3x

Step-by-step explanation:

3(7+x)

3*7+3*X

21+3x

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A rectangle is graphed on the coordinate grid.
Gekata [30.6K]
A should be correct
4 0
3 years ago
George earn 3 dollars each time he sweeps and mops in the family room for you trying to earn $17 for tickets to the end of the s
uranmaximum [27]
17+4=21 
21 divided by 3= 7
17 dollars for tickets 
21-4=17
so your answer is 21 he has to sweep the floor 21 times to get tickets

5 0
3 years ago
Consider the first four terms of the sequence below. -3, -12, -48, -192, . . . What is the 8th term of this sequence? A. -49,152
kolbaska11 [484]

Answer:

A

Step-by-step explanation:

there is a common ratio between consecutive terms , that is

- 12 ÷ - 3 = - 48 ÷ - 12 = - 192 ÷ - 48 = 4

this indicates the sequence is geometric with nth term

a_{n} = a₁ r^{n-1}

where a₁ is the first term and r the common ratio

here a₁ = - 3 and r = 4 , then

a₈ = - 3 × 4^{7} = - 3 × 16,384 = - 49,152

7 0
2 years ago
Need help for 18) 21) Solve each equation and check. Show all work please
Alexxandr [17]
18) (10)7d/10=35(10)
7d/7=350/7
d=50
21) 3/4 w=27
(4/3)3/4 w=27(4/3)
w=36
Hope this helps!
5 0
3 years ago
Martin can run 1 mile in 7 minutes. What valid proportions can be written from this information? Check all that apply. StartFrac
Tpy6a [65]

Answer:

<u>1/7=3/21</u>

<u>7/1=21/3</u>

the other fractions are not correct/valid therefore the fractions above are the correct answers

Step-by-step explanation:

Let me know if you need any other help:)

3 0
3 years ago
Read 2 more answers
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