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Sladkaya [172]
3 years ago
9

Question part points submissions used consider the following. g(x)={((x**2-a**2)/(x-a) text(if ) x != a,4 text(if ) x =

Mathematics
1 answer:
EastWind [94]3 years ago
4 0
For x\neq a, we have

\dfrac{x^2-a^2}{x-a}=\dfrac{(x-a)(x+a)}{x-a}=x+a

So for g(x) to be continuous at x=a, we require that the limit as x\to a is equal to 4.

\displaystyle\lim_{x\to a}g(x)=\lim_{x\to a}(x+a)=2a=4\implies a=2
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Find the percent decrease. Round to the nearest percent.<br><br><br> From 90°F to 70°F
Goryan [66]

Answer:

22

Step-by-step explanation:

90*x = 70

x = 7/9

x = 78%

100-78 = 22

3 0
3 years ago
How to solve -3y=-5x-12
Talja [164]

To solve -3y=-5x-12 you would

have to divide everything in the equation by -3

Y=5/3x+4

3 0
3 years ago
Barbara gets 6 pizza to divide equally among 4 people. How much of a pizza can each person ?
kozerog [31]
Your key word is divide. You'll want to divide your 6 pizzas by your four friends, than most likely convert it to a fraction (unless your teacher accepts decimals.), message if you need more help.
3 0
3 years ago
Read 2 more answers
Find the common ratio of the geometric sequence: 4,3,9/4
Inessa05 [86]

Answer:

The common ratio is

\frac{3}{4}

Step-by-step explanation:

To find the common ratio in a geometric sequence divide the next term by the previous term

That's

The first term is 3 and the next term is 4

so the common ratio will be

<h2>3/4</h2>

Hope this helps you.

4 0
3 years ago
Lucía coria 4 millas cada mañana antes de ir a trabajar. no trabaja los domingos ¿cuántas millas corria Lucía en una semana?A.7B
geniusboy [140]

Se nos dice que Lucía corre 4 millas diarias. Ya que no corre los días domingo, entonces corre 6 días por semana, por lo tanto:

4\frac{millas}{dia}\times6dias=24\text{ millas}

Por lo tanto, Lucía corre 24 millas por semana.

4 0
1 year ago
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