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Dafna1 [17]
3 years ago
14

50 POINTS~ PLEASE HELP! I HAVE TO TURN THIS IN TOMARROW

Mathematics
2 answers:
Feliz [49]3 years ago
7 0

Answer:

the x-coordinate is 6

Step-by-step explanation:

A parabola is a two-dimensional, mirror-symmetrical curve, which is approximately U-shaped when oriented as shown in the diagram below, but which can be in any orientation in its plane. It fits any of several superficially different mathematical descriptions which can all be proved to define curves of exactly the same shape.

crimeas [40]3 years ago
3 0
6
think of this as the middle.
3 to the left to get to 3
And
3 to the right to get 9
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Karl bought 3 and 1/2 gallons of milk that cost $2.70 per gallon.
Vesna [10]

Answer:

9.45

Step-by-step explanation:

3.5 x 2.7 = 9.45

5 0
3 years ago
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How do you do this question?
IRINA_888 [86]

Answer:

∑ (-1)ⁿ⁺³ 1 / (n^½)

∑ (-1)³ⁿ 1 / (8 + n)

Step-by-step explanation:

If ∑ an is convergent and ∑│an│is divergent, then the series is conditionally convergent.

Option A: (-1)²ⁿ is always +1.  So an =│an│and both series converge (absolutely convergent).

Option B: bn = 1 / (n^⁹/₈) is a p series with p > 1, so both an and │an│converge (absolutely convergent).

Option C: an = 1 / n³ isn't an alternating series.  So an =│an│and both series converge (p series with p > 1).  This is absolutely convergent.

Option D: bn = 1 / (n^½) is a p series with p = ½, so this is a diverging series.  Since lim(n→∞) bn = 0, and bn is decreasing, then an converges.  So this is conditionally convergent.

Option E: (-1)³ⁿ = (-1)²ⁿ (-1)ⁿ = (-1)ⁿ, so this is an alternating series.  bn = 1 / (8 + n), which diverges.  Since lim(n→∞) bn = 0, and bn is decreasing, then an converges.  So this is conditionally convergent.

5 0
3 years ago
Help<br><br> (5a-3a^3)*(4a-1)
ivann1987 [24]

Answer:

-12a^{4}  + 3a^{3} + 20a^{2} -5a

Step-by-step explanation:

(5a-3a^{3} ) • (4a-1)

Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.

20a^{2} - 5a - 12a^{4} + 3a^{3}

Rearrange in decreasing exponents.

-12a^{4}  + 3a^{3} + 20a^{2} -5a

3 0
3 years ago
I'M GIVING BRAINLIEST TO WHOEVER ANSWERS FIRST! GOOD LUCK!
zloy xaker [14]

Answer:

3x - 24

Step-by-step explanation:

this is probably wrong

3 0
3 years ago
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Ann sleeps 8 hours per night. Write an expression for the number of hours Ann sleeps in n nights.
lord [1]
8n. 8 represents the number of hours she sleeps, and n represents the number of night she sleeps. 
8 0
3 years ago
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