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laiz [17]
4 years ago
7

Help me please .....

Mathematics
1 answer:
just olya [345]4 years ago
3 0

Answer:the answer is b

Step-by-step explanation:

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What is the remainder of (2^91 x 6^27) divided by 7?
kondaur [170]
2\equiv2\mod7
2^2\equiv4\mod7
2^3\equiv8\equiv1\mod7

91=3(30)+1
\implies2^{91}\equiv(2^3)^{30}\times2^1\equiv1^{30}\times2\equiv2\mod7

6\equiv-1\mod7
6^2=6\times6\equiv6(-1)\equiv-6\equiv1\mod7

27=2(13)+1
\implies6^{27}\equiv(6^2)^{13}\times6^1\equiv1^{13}\times6\equiv6\mod7

\implies2^{91}\times6^{27}\equiv2\times6\equiv12\equiv5\mod7
6 0
3 years ago
8 hoses can fill a tank in 30 minutes. If I had 48 hoses, how long would it take?
oksano4ka [1.4K]

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120 minutes

Step-by-step explanation:

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3 years ago
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Use the distributive property to find the equivalent expression.<br><br> 6(2 + 5t) = ?+?t
IgorLugansk [536]

6(2 + 5t) = 6*2 + 6*5t = 12 + 30t

Answer is 12 +30t.

5 0
3 years ago
Use the data in the table to answer the question. Citations are "speeding tickets." You may fill in the table to help you answer
Firlakuza [10]

Answer: ŷ = 0.07X + 5.2

Step-by-step explanation:

Given the following :

Number of citations 5 - 7.5 - 10 - 15 - 20

Outputs Residuals 3 - - 6 - - 10 - 5 - - 6

Using the online regression calculator :

Line of best fit is represented by the equation:

ŷ = 0.06897X + 5.2069

ŷ = 0.07X + 5.2

From the line equation:

y = mx + c

With 0.07 = slope of gradient(m)

Intercept (c) = 5.2 (point where the line of best fit intersect the y_axis

x and y are values of x and y respectively

8 0
4 years ago
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professor190 [17]

Answer:

7-6 the is corret thick hope

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3 years ago
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