Find the value of given expression

Mathematics

2 answers:

jasenka [17]2 years ago

5 0

Answer:

121

Step-by-step explanation:

$\sqrt{121 \times 11 \times 11}$

$\sqrt{1331 \times 11}$

$\sqrt{14641}$

$\sqrt{ {121}^{2} }$

Pull terms out from under the radical, assuming positive real numbers.

$121$

<h3>Hope it is helpful....</h3>

bulgar [2K]2 years ago

4 0

Answer:

√{121×11×11}=√(11²×11²)=±11²=±121

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A dealer sold 200 tennis racquets. Some were sold for $33 each, and the rest were sold on sale for $18. The total receipts form

Mumz [18]

120 tennis racquets were sold for $ 18 each

<em><u>Solution:</u></em>

Let x = number that sell for $18 each

Then, 200 - x = number that sell for $33 each

<em><u>The total receipts form these sales were 4800 dollars</u></em>

Thus we frame a equation as:

number that sell for $18 each x 18 + number that sell for $33 each x 33 = 4800

$x \times 18 + (200-x) \times 33 = 4800\\\\Solve\ the\ above\ equation\ for\ x\\\\18x + 6600 - 33x = 4800\\\\Move\ the\ variables\ to\ one\ side\\\\18x-33x = 4800-6600\\\\-15x = -1800\\\\Divide\ both\ sides\ of\ equation\ by\ -15\\\\x = 120$

Thus 120 tennis racquets were sold for $ 18 each

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gizmo_the_mogwai [7]

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3 years ago

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Each boy in a class has 7 pockets and each girl in that class has 11 pockets. How many boys and how many girls are there in this

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Answer:

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