3 years ago

Mrs. Ellis wrote the expression (24 + 4) ÷ 4 on the board. Which expression is equivalent to the expression Mrs. Ellis wrote?

Mathematics

1 answer:

LenaWriter [7]3 years ago

8 0

Answer:

a. (4+3)² ÷ (10-3)

Step-by-step explanation:

Because 4+3 is 7 then to the second power is 49 divide that by 7 which gives you 7.

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zavuch27 [327]

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3 years ago

What are the solutions to the equation? x2−14x=15 Enter your answers in the boxes. x = and

Mrrafil [7]

First put it in standard form:
x^2 −14x -15 =0
a =1 b =-14 c=-15
Then use the quadratic formula:
x = [-b +-sq root (b^2 - 4ac)] / 2a
x = [--14 +- sq root (14^2 -4*1*-15] / 2*1
x = [14 +-sq root (196 +60)] / 2
x = [14 +- 16] / 2
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x2 = -1

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3 years ago

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gabys piggy bank contains nickles and dimes worth $5.15. If she has 66 coins in all, how many of each does she have

olasank [31]

8.18

Step-by-step explanation:

8.18

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8 0

3 years ago

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Tax returns filled manually have a 20% chance of containing errors while tax returns filled electronically have a .05% chance of

Travka [436]

Answer:

538,650

Step-by-step explanation:

We must first find how many errors there will be if filed manually and if filed electronically

Manually: 2,700,000*20% or 2,700,000*.2

Answer: 540,000 errors

Electronically: 2,700,000*.05% or 2,700,000*.0005

Answer: 1,350 errors

We must then find the difference; 540,000-1,350=538,650

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4 years ago

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8. Which diagram correctly depicts the expression below? -5 - 2 F. G. -6 -4 -2 2 4 -12 -10 -8 -6 -2 0 H. J. -8 -6 -4 -2 0 2 4 -2

Leya [2.2K]

Answer:

the sender is 23 I don't no if I am right tho

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3 years ago