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BlackZzzverrR [31]
3 years ago
13

Write an equation for the nth term of the arithmetic sequence. Then find a 10

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0
An=a1+d(n-1)
a1=first term
an=nth term
d=common dffernce

given
first term is -5
it increases by 1

an=-5+1(n-1)
a10
a10=-5+1(10-1)
a10=-5+1(9)
a10=-5+9
a10=4

10th term or a10 is 4
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Answer:

26

Step-by-step explanation:

40-32÷8+5×-2

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6 0
2 years ago
PLEASE HURRYYYYYYYYYY!!!!!!!!<br><br><br> In OD, AB = CB and marc CE - 52. Find mZBCE. (See picture)
frozen [14]

Answer:

A. 109

Step-by-step explanation:

We know that since AB = CB, then ΔABC is isosceles.

Since AC, one of the sides of ΔABC, is on the diameter of circle D, by definition, we know that ΔABC is also a right triangle. Thus, if ΔABC is an isosceles right triangle, then ∠BAC = ∠BCA = 45°.

Draw a line connecting D to B so that we now have isosceles triangle BDC. Since arc BC is 52°, by definition of central angles, ∠BDC is also equal to 52°. Then, ∠DBC = ∠DCB = (180 - 52)/2 = 64°.

∠BCE = ∠DCB + ∠BCA

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The answer is thus A.

<em>~ an aesthetics lover</em>

3 0
2 years ago
I don’t understand this
MatroZZZ [7]

Answer:

your just finding area so

1.5×2.5=

1.5×1.5/2=

1.5×2.5=

I will put the answers in the comments I need to use a calculator

7 0
3 years ago
Read 2 more answers
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3 years ago
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