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3 years ago

Please Help!! Thank you!!

Mathematics

1 answer:

egoroff_w [7]3 years ago

7 0

The answer to your question is 3 because when getting the bottom part of the figure you have to make the fractions the same least common denominator, which means the leas common denominator is 6 so you get 7/6 as the area of the figure. Then you multiply that by1/5/6 which is 11/6 and you will get your answer 18/6 = 3. Feel free to ask me any question you need help with.

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What are the measures of ∠a, ∠b, and ∠c?

Fudgin [204]

Answer:

a should be 45

b should be 90

c should also be 45

Step-by-step explanation:

I know this because 180-135=45 for a

since c is also 45, beside c should be 135.

which means those angles are congruent.

since a triangle equals 180 degrees all together 180-45-45=90

so b is 90

correct me if im wrong

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3 years ago

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Step-by-step explanation:

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3 years ago

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In triangle ABC, with right angle B, side AB is 18 units long and side AC is 23 units long. What is the length of side BC,

mihalych1998 [28]

Answer:

BC ≈ 14 units

Step-by-step explanation:

using Pythagoras' identity in the right triangle.

the square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is

BC² + AB² = AC²

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BC² = 205 ( take square root of both sides )

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6 0

2 years ago

after hitting the black friday sales, sarah bought her dress on sale for $35. She saved 45%, what was the original cost.

8090 [49]

The original cost of the dress is $63.64

Step-by-step explanation:

After hitting the black Friday sales

Sarah bought her dress on sale for $35
She saved 45%

We need to find the original cost of the dress

The money that Sarah saved is the value of the discount on the dress

Assume that the price of the dress before the black Friday is 100%

∵ The price of the dress before the black Friday is 100%

∵ She saved 45% when she bought it the black Friday

∴ The price of the dress is decreased by 45%

∵ She bought the dress for $35 ⇒ (after discount)

Let use use the percentage method

→ Before discount : Discount : After discount

→ 100% : 45% : 55% (100 - 45)

→ x : : 35

By using cross multiplication

∵ x × 55% = 35 × 100%

- Divide both sides by 55%

∴ x = 63.64

The original cost of the dress is $63.64

Learn more:

You can learn more about percentage in brainly.com/question/12501490

#LearnwithBrainly

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3 years ago

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DerKrebs [107]

Answer:

Step-by-step explanation:

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3 years ago