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KATRIN_1 [288]
2 years ago
14

Which expression is the factorization of x2 10x 21? (x 3)(x 7) (x 4)(x 6) (x 6)(x 15) (x 7)(x 14)

Mathematics
1 answer:
Leona [35]2 years ago
6 0

\large\color{pink}{{★ƛƝƧƜЄƦ ↦}}

\purple{ \bf{Let's  \: solve→}}

\sf{↪ {x}^{2}  + 10x + 21} \\  \\  \sf{↪by \: splitting \: middle \: term} \\  \\  \sf{↪ {x}^{2}  + 7x + 3x + 21} \\  \\  \sf{↪taking \: common} \\  \\  \sf{↪x(x + 7)   + 3(x + 7)} \\  \\  \sf{↪(x + 3)(x + 7) \: is \: yr \: answer}

<h2>____________________☃️</h2>

\sf{\:мѕнαcкεя\: ♪...}

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Lupita rides a taxi that charges a flat rate of $6.75 plus $3.20 per mile. If the taxi charges Lupita $40.03 in total for her tr
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Hello! In order to understand this question, we need to take a look at the content that is involved.

Lupita pays $40.03 in total. Meaning that's where we are going to start if we want to find out how many miles her ride was. Since the taxi charges a flat rate of $6.75. We would want to subtract it from her total value because we only work with that flat rate once. Which ends up giving us $33.28. From there, we don't need to worry about the flat rate anymore and we now focus on the mileage. If it costs $3.20 per mile, then we can simply divide the amount after to flat rate by the cost per mile, to figure out how many miles she has gone. In the end, you will get 10.4 miles.
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A jar contains 18 red marbles 14 green marbels and 20 blue marbles a marble was selected at random the color was recorded and th
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The "relative frequency" is

         (number of times a blue marble came out)
divided by
         (total number of trials before everybody got bored and quit) .

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-- The relative frequency of red was  (22/60)  =  (36 and 2/3) % .
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3 years ago
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