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dem82 [27]
3 years ago
12

3. The weekly sales of a magazine increased

Mathematics
2 answers:
lisov135 [29]3 years ago
7 0

Answer:

20%

Step-by-step explanation:

KiRa [710]3 years ago
3 0

Answer:

b. 20%

Step-by-step explanation:

20% is the am mount of increase

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Maths a²(5a - 3b) -3a²​
11Alexandr11 [23.1K]

Answer:

5a^{3} - 3a^{2} b-3a^{2}

Step-by-step explanation:

a^{2} (5a-3b)-3a^{2} |

Expand brackets

5a^{3} - 3a^{2} b-3a^{2}

Final Answer is

5a^{3} - 3a^{2} b-3a^{2}

4 0
2 years ago
Please help me. Thank you. I appreciate it :)
puteri [66]

Step-by-step explanation:

the answer should be 18

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A watering can dispenses water at the rate of 0.25 gallon per minute. The original volume of water in the can was 6 gallons. Whi
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At x=0 y=6 the y intercept. The rate is -0.25 so the equation is y=6-0.25x. The ordered pair is (x,6-0.25x).
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3 years ago
Which of the following is a solution of x2 + 4x + 25?
blondinia [14]
Solve for x:
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Subtract 25 from both sides:
x^2 + 4 x = -25
Add 4 to both sides:
x^2 + 4 x + 4 = -21
Write the left hand side as a square:
(x + 2)^2 = -21
Take the square root of both sides:
x + 2 = i sqrt(21) or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
x = i sqrt(21) - 2 or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
Answer: x = i sqrt(21) - 2 or x = -i sqrt(21) - 2
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Answer:

−5 1/5÷(2/3)≈-7.8

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