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Furkat [3]
3 years ago
15

Which ordered pair is a solution to the system of equations? (2x - y=-2 (5x – 2y = 7

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
4 0

Answer:

21

Step-by-step explanation:

the answer to everything is 21

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Round 5049 correct to 1 significant figure​
Step2247 [10]

5000

  • Addition (+) and subtraction (-) round by the least number of decimals.
  • Multiplication (* or ×) and division (/ or ÷) round by the least number of significant figures.
  • Logarithm (log, ln) uses the input's number of significant figures as the result's number of decimals.
  • Antilogarithm (n^x.y) uses the power's number of decimals (mantissa) as the result's number of significant figures.
  • Exponentiation (n^x) only rounds by the significant figures in the base.
  • To count trailing zeros, add a decimal point at the end (e.g. 1000.) or use scientific notation (e.g. 1.000 × 10^3 or 1.000e3).
  • Zeros have all their digits counted as significant (e.g. 0 = 1, 0.00 = 3).
  • Rounds when required, after parentheses, and on the final step.

<em>-</em><em> </em><em>BRAINLIEST </em><em>answerer</em><em> ❤️</em>

7 0
2 years ago
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HELP ASAP PLZ 15 points!<br> ............
Allisa [31]

Well I would say A because it went from 8 to 38 which is plus ten.

7 0
3 years ago
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Solve the system of equations.
Solnce55 [7]

Answer:

a. (x = 1, y = -1, z = 1)

6 0
3 years ago
Andy wants to buy twenty candy bars for a party.
8090 [49]

Answer:

1. $15.80

2. $12

3. $11.06

Step-by-step explanation:

1. Buying 20 single candy bars at regular price

The regular price of one is 79 cents.

(# of bars) X (price per bar) = regular price

20 X 79 cents = 1580 cents

1580 cents = $15.80

2. Buying 20 bars in packs of 5

Each pack is $3

(# of packs) X (price per pack) = pack price

(20/5) X ($3) = pack price

4 X $3 = $12

3. Buying 20 bars at special price

For every 2 bought, 1 is free.

(Number of bars paid for) X (price per bar) = special price

(2(20/3)) X (0.79) = special price

14 X 0.79 = $11.06

Because for every 2 bars that are paid for, 1 is free, he pays for 14 bars and he gets the 21st free.

Andy's 20 regular priced candy bars are $15.80, bars in packs are $12, and bars at the special price is $11.06.

4 0
3 years ago
Write an equation of the line passing through the points ​(3​,5​) and ​(−2​,−15​).
levacccp [35]

Answer:

y=4x-7

Step-by-step explanation:

Trust

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3 years ago
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