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marshall27 [118]
3 years ago
6

Someone please help

Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

9514 1404 393

Answer:

  622

Step-by-step explanation:

The n-th term of an arithmetic sequence is given by the formula ...

  an = a1 +d(n -1)

where a1 is the first term (6), and d is the common difference (14-6=8).

Then the 78th term is ...

  a78 = 6 + 8(78 -1) = 6 + 616 = 622

The 78th term is 622.

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Factorize the following quadratic equation u²- 12 u + 35 = 0​
lubasha [3.4K]

Answer:

X₁=7 ,X₂ = 5

Step-by-step explanation:

a= 1²  b= - 12   c= 35

X =[ ( -b±√b²-4ac ) / 2a]

So, use this formula and get the answer...

   Even if you use the middle term formula, you will get the same answer

4 0
3 years ago
What is the lateral Surface Area rounded to the nearest hundredth?
DochEvi [55]
Pretty sure it’s 109.96
4 0
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Which points are coplanar?<br> A. C,G,A,F<br> B. A,J,K,I<br> C. B,J,K,F<br> D. A,B,H,G
Damm [24]

Answer:

B, J, K, F. Because they are on the same side compared to the other answers.

Step-by-step explanation:

Coplanar points are three or more points which all lie in the same plane. Any set of three points in space is coplanar. A set of four points may be coplanar or may be not coplanar.

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4 0
3 years ago
The last time you bough pizza, 3 pizzdis was enough for 7 people. At that rate, how
garri49 [273]

Answer:

15 pizzas.

Step-by-step explanation:

The rate is 3 pizzas for every 7 people. If there are 35 people at the party (7 times 5), the amount of pizzas you should buy is 15 pizzas (3 times 5). Hope I  explained that well (^^'')

4 0
3 years ago
How do you factor n^2-4n=0
Sveta_85 [38]
     n² - 4n = 0
n(n) - n(4) = 0
    n(n - 4) = 0
n = 0    or    n - 4 = 0
                     + 4 + 4
                        n = 4

Solution Set: {0, 4}
3 0
3 years ago
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