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elena55 [62]
3 years ago
13

Latesha buys some tennis balls at $1 each and rackets at $12 each for her PE class. She buys twice as many balls as rackets. She

spends $92 in total, which includes $8 tax Which equation would you use to find the number of rackets she buys? Let x represent the number of rackets she buys. O A. 12 (x) + 1 (2x) + 8 - 92 O B. 12 (2x) +1(x) + 8 - 92 O c. x + 2x + 8 - 92 OD. 12 (x) + 1 (2.x) = 92​

Mathematics
1 answer:
marysya [2.9K]3 years ago
3 0
I would go with A it makes most sense to me .
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ANYONE...........help​
KATRIN_1 [288]

Answer:

  • 1 cm

Step-by-step explanation:

<u>Sides of the picture added margin:</u>

  • l = 8 + 2x
  • w = 5 + 2x
  • A(margin) = 30 cm²

<u>Solution</u>:

  • A(margin) = Total area - A(picture)
  • (8 + 2x)(5 + 2x) - 5*8 = 30
  • 4x² + 10x + 16x + 40 - 40 - 30 = 0
  • 4x² + 26x - 30 = 0
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  • x = (-13 + √(13² + 2*4*15))/4
  • x = (-13 + 17)/4
  • x = 1 cm

Note. The other root is ignored as negative.

3 0
3 years ago
Someone please teach me how to calculate simplest radical form
IceJOKER [234]

Answer:

Before we can simplify radicals, we need to know some rules about them. These rules just follow on from what we learned in the first 2 sections in this chapter, Integral Exponents and Fractional Exponents.

Expressing in simplest radical form just means simplifying a radical so that there are no more square roots, cube roots, 4th roots, etc left to find. It also means removing any radicals in the denominator of a fraction

Step-by-step explanation:

3 0
3 years ago
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The cost of hiring a surfboard involves an up-front fee plus an hourly rate. Three hours of hire costs $50 and 7 hours costs $90
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Answer:

...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 0
3 years ago
Attached geometry question. Please help. 100 points, will mark branliest.
-BARSIC- [3]

\large{\rm{\underline{\underline{Answer:}}}}

Since ∆AFB is similar to ∆ABC.

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<u>In </u><u>∆</u><u>A</u><u>BC,</u>

⇛< A + < B + < C = 180°

⇛37° + 65° + < C = 180°

⇛102° + < C = 180°

⇛< C = 78°

We know that, < AGF / < G = < C

So, Measure of angle < AGF = <u>7</u><u>8</u><u>°</u><u> </u><u>(</u><u>ans)</u>

6 0
2 years ago
Is 14/18 greater then, less then, or equal to 7/9
Musya8 [376]

Answer:

Equal to

Step-by-step explanation:

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