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Katarina [22]
3 years ago
11

Thanks for your help

Mathematics
1 answer:
vampirchik [111]3 years ago
5 0
The answer would be b=4.2
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umka2103 [35]
30 degrees is the answer
3 0
3 years ago
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Find the sum of the first 8 terms of the sequence: -5. 15, -45, 135, .......
MakcuM [25]
Sum of geometric sequence

for the sum where the initial value is a₁ and the common ratio is r and the term is n

S_n= \frac{a_1(1-r^n)}{1-r}

common ratio is -3
-5 times -3 is 15, -15 times -3=-45 etc
first term is -5
and we want the 8th term

S_8= \frac{-5(1-(-3)^8)}{1-(-3)}
S_8= \frac{-5(1-6561)}{1+3}
S_8= \frac{-5(-6560)}{4}
S_8= \frac{32800}{4}
S_8= 8200


the sum is 8200
7 0
2 years ago
What’s the Greatest common factor of 12 and 60?
rewona [7]

12 is your answer

12 x 1 = 12

12 x 5 = 60

hope this helps

3 0
3 years ago
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Salvatori charges $9 Per hour for babysitting Kendra chargers $8.50 per hour if they both work for 6 hours How much more money w
andreev551 [17]
54 dollars would be earned
8 0
3 years ago
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A line has a slope of 7 and passes through the point (-2,-1) What is its equation in point-slope form?
elena-s [515]

Answer:

y + 1 = 7(x + 2).

Step-by-step explanation:

Point slope form:

y - y1 =m(x - x1).

Here m = 7 and (x1,  y1) = (-2,  -1)

So the answer is;

y - (-1) = 7(x - (-2))

5 0
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