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2 years ago

1) Increase 520 by 2.5 % 2) Decrease 240 by 0.5%

Mathematics

1 answer:

Elena L [17]2 years ago

7 0

1) 533
2) 238.8
hope it helped :)

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A painter is using a 8-foot ladder to paint a house. The painter places the ladder 6 feet from the house. How high up the wall d

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Step-by-step explanation:

step 1. This is a right triangle where a^2 + b^2 = c^2 (c is the hypotenuse).

step 2. a^2 + 6^2 = 8^2.

step 3. a^2 = 64 - 36.

step 4. a^2 = 28.

step 5. a (the ladder height along the wall) = sqrt (28) where sqrt is the square root.

step 6. sqrt(28) = 2(sqrt(7)).

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2 years ago

What is the product of (-a+3)(a+4)

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Answer:-a^2-a+12

Step-by-step explanation:

(-a+3)(a+4)

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2 years ago

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algol [13]

Answer:

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Step-by-step explanation:

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2 years ago

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If 6 workers can paint a house in 2 days; how

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Answer:

0, because the house is already painted. If this isn't a riddle then, it should take 4 days because that is half the people, two times the workload per person.

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2 years ago

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2 years ago

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