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Serhud [2]
3 years ago
5

Calculate 21% of $6.85 = $

Mathematics
1 answer:
choli [55]3 years ago
6 0

Answer: $1.44

Step-by-step explanation: hope this helps please give me brainliest.

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Sarah makes 5 ribbons the first day. On the second day she doubles the number of
sdas [7]
20 ribbons

Explanation:
1st day— 5 ribbons
2nd day—2 x 5 = 10 ribbbns
3rd day— 2 x 10 = 20

Hope this helps
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3 years ago
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What is the solution to the system of equations shown below?
Alexxandr [17]

Answer:

  b.  (1, 3, ­-2)

Step-by-step explanation:

A graphing calculator or scientific calculator can solve this system of equations for you, or you can use any of the usual methods: elimination, substitution, matrix methods, Cramer's rule.

It can also work well to try the offered choices in the given equations. Sometimes, it can work best to choose an equation other than the first one for this. The last equation here seems a good one for eliminating bad answers:

  a: -1 -5(1) +2(-4) = -14 ≠ -18

  b: 1 -5(3) +2(-2) = -18 . . . . potential choice

  c: 3 -5(8) +2(1) = -35 ≠ -18

  d: 2 -5(-3) +2(0) = 17 ≠ -18

This shows choice B as the only viable option. Further checking can be done to make sure that solution works in the other equations:

  2(1) +(3) -3(-2) = 11 . . . . choice B works in equation 1

  -(1) +2(3) +4(-2) = -3 . . . choice B works in equation 2

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3 years ago
PLS HELP 25 POINTS NO CAP PLS BRAINLEIST
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Answer:

I can't see the picture or handwriting

7 0
3 years ago
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I have to solve for X?
VashaNatasha [74]

yes

95+97 =192

192+x=180

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3 years ago
Using the x,y format where does the graph of 3x+3 and -5×+7 intersect
IRINA_888 [86]
Not sure if I'm right but I believe they intersect at (1,4).
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3 years ago
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