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jonny [76]
3 years ago
6

Please help I'm really bad at math. I will mark you brainliest if you get the answer right.

Mathematics
1 answer:
Bond [772]3 years ago
3 0

Answer:

A & D

Step-by-step explanation:

A. 9(3x-1) = 27x-9 ✔

B. 27x-1(9) = 243x-9 ❌

C. 27(x-9) = 27x-243 ❌

D. 3x-1(9) = 27x-9 ✔

E. 9(27x-1) = 243x-9 ❌

F. x-9(27) = 27x-243 ❌

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The points (-1.6, 2.7) and (3.2, 7.98) are on the graph of a linear relationship between two variables, r and y.
Aleksandr [31]

Answer:

  y = 1.1x +4.46

  y = 129.86 for x = 114

Step-by-step explanation:

The two-point form of the the equation for a line is useful for this.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (7.98 -2.7)/(3.2 -(-1.6))(x -(-1.6)) + 2.7

  y = 5.28/4.8(x +1.6) + 2.7

  y = 1.1x +1.76 +2.7

  y = 1.1x +4.46

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When x=114, the value of y is ...

  y = 1.1(114) +4.46

  y = 129.86

6 0
3 years ago
Find the total amount due on a loan of $5000 for eight years and 10% simple interest
topjm [15]

Answer:

170years

Step-by-step explanation:

R/100=2.5%

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time=168 years

4 0
3 years ago
The diffrence of a number m and 30 is 10
viktelen [127]
M - 30 = 10

so the number has to be 10 more than 30.

30+ 10 = m


m = 40
8 0
3 years ago
I really need help I don’t know how to you know
lianna [129]

Answer:

144 in internal angle

Step-by-step explanation:

5 0
3 years ago
Plz help! I will mark you brainliest!
s2008m [1.1K]

Answer:

  A.  80

Step-by-step explanation:

No math necessary. You know the brace needs to be longer than the distance between posts, so cannot be 4, 15, or 42 inches. The only answer choice longer than 64 inches is the correct one:

  80 inches

4 0
3 years ago
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