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2 years ago

What is an inequality

Mathematics

1 answer:

agasfer [191]2 years ago

3 0

Inequalities are number sentences that compare two numbers. sometimes we use variables when writing inequality’s.

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3, 9, 27, 81, . . . Use inductive reasoning to predict the next term in the sequence.

Alexandra [31]

Each number is multiplied by 3. 3x3=9, 9x3=27, and so forth. the answer is logically 243

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3 years ago

Read 2 more answers

A boat sails 20 miles wast of the port and then 15 miles south to an island how far is the boat from the port if you measure thr

sweet-ann [11.9K]

Answer:

25 miles

Step-by-step explanation:

Given: A boat sail 20 miles west of the port and then 15 miles south to an island.

Picture attached.

The distance from port to island could be measured in a straight line. It will form a hypotenous.

∴ we can use Pythogorean theorem to find the distance.

$h^{2} = a^{2} +b^{2}$

Where, "a" is adjacent= 20 miles and "b" is opposite= 15 miles.

$h^{2} = 20^{2} +15^{2}$

⇒ $h^{2} = 400+225= 625$

⇒ $h^{2} = 625$

⇒ $h= \sqrt{625}= \sqrt{25^{2} }$

We know $\sqrt{x^{2} } = x$ .

∴ $h= 25\ miles$

∴ Distance of Port from the Island is 25 miles.

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3 years ago

PLEASE HELP ME WITH THIS

Elenna [48]

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Answer:

$0.50/lb

Step-by-step explanation:

The increase in cost is $40-25 = $15 for an increase in weight of 50-20 = 30 lb. That makes the cost per pound be ...

cost/pounds = $15/(30 lb) = $0.50/lb

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2 years ago

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serg [7]

The answer should be hid

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2 years ago

Tiana is a chemist who is making a chemical to add to swimming pools in order to make the water safer. She mixed two solid subst

Feliz [49]

Answer:

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Step-by-step explanation:

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2 years ago